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        37 Permanent API jobs in Northamptonshire + 20 miles

        API Engineer

        Halian Technology Limited
        Longbridge, Warwick (CV34), CV34
        From £70,000 to £90,000 per annum + Bonus + Excellent Benefits
        Join a fast-growing, award-winning software company that delivers end-to-end cloud solutions for practices and businesses. Youll work with innovative tools, a collaborative culture and meaningful career progression You'll design and implement the API infrastructure that enables our product, third party integrations, our users and AI services to interact with our established product portfolio. Working with autonomy and technical ownership, you'll architect scalable, secure APIs that handle sensitive payroll and accounting data while enabling rapid deployment of AI capabilities across our business. * Design and implement RESTful APIs that expose product capabilities to AI services and third-party integrations * Build production-grade APIs using C# .NET, SQL, and Azure services * Write clean, maintainable, well-tested code with comprehensive documentation
        Join a fast-growing, award-winning software company that delivers end-to-end cloud solutions for practices and businesses. Youll work with innovative tools, a collaborative culture and meaningful career progression You'll design and implement the API infrastructure that enables our product, third party integrations, our users and AI services to interact with our established product portfolio. Working with autonomy and technical ownership, you'll architect scalable, secure APIs that handle sensitive payroll and accounting data while enabling rapid deployment of AI capabilities across our business. * Design and implement RESTful APIs that expose product capabilities to AI services and third-party integrations * Build production-grade APIs using C# .NET, SQL, and Azure services * Write clean, maintainable, well-tested code with comprehensive documentation
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        Software Engineer (RPG)

        Gerrard White
        Peterborough, Cambridgeshire, PE3 8BG
        Unspecified
        This is a hybrid role and can be based from our offices in Peterborough, Manchester or Stoke. We also have largely remote working opportunities available. We are currently hiring multiple RPG Software Engineer positions. As a Software Engineer, you will analyse, develop and test all areas of the technology using the appropriate processes, methods and standards of the software development lifecycle (SDLC). Working in a scrum agile environment, Software Engineers provide technological steering and software advancement for Markerstudy, its clients, subsidiaries and other group members to meet project goals. You will be involved in all aspects of the development process, taking responsibility for your own work and working to ensure the success of the team’s sprints. A good communicator, you will be working directly with other areas of the business to meet project goals.
        This is a hybrid role and can be based from our offices in Peterborough, Manchester or Stoke. We also have largely remote working opportunities available. We are currently hiring multiple RPG Software Engineer positions. As a Software Engineer, you will analyse, develop and test all areas of the technology using the appropriate processes, methods and standards of the software development lifecycle (SDLC). Working in a scrum agile environment, Software Engineers provide technological steering and software advancement for Markerstudy, its clients, subsidiaries and other group members to meet project goals. You will be involved in all aspects of the development process, taking responsibility for your own work and working to ensure the success of the team’s sprints. A good communicator, you will be working directly with other areas of the business to meet project goals.
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        Our vision is to give everyone the belief they can make their move. We aim to make moving simpler, by giving everyone the best place to turn to and return to for access to the tools, expertise, trust, and belief to make it happen. Were home to the UKs largest choice of properties and are the go-to destination for millions of people planning their next move, reading the latest industry news, or just browsing whats on the market. We are looking for a Business Analyst (Programmes & Analysis) Location: Milton Keynes (Hybrid) with 2 days a week in the office Reporting to: Business Architect & Business Analysis Lead Business Unit: Product Development Programmes & Analysis The Role
        Our vision is to give everyone the belief they can make their move. We aim to make moving simpler, by giving everyone the best place to turn to and return to for access to the tools, expertise, trust, and belief to make it happen. Were home to the UKs largest choice of properties and are the go-to destination for millions of people planning their next move, reading the latest industry news, or just browsing whats on the market. We are looking for a Business Analyst (Programmes & Analysis) Location: Milton Keynes (Hybrid) with 2 days a week in the office Reporting to: Business Architect & Business Analysis Lead Business Unit: Product Development Programmes & Analysis The Role
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        NEW

        Dynamics 365 Finance Developer

        Eviden UK International Ltd
        UK
        Attractive salary plus excellent benefits.
        * Salary: Attractive salary plus excellent benefits. * Location: UK Wide * Remote * Travel required: May require UK domestic travel, as the need arises. Atos Group is a global leader in digital transformation with c. 70,000 employees and annual revenue of c. € 10 billion, operating in 67 countries under two brands Atos for services and Eviden for products. European number one in cybersecurity, cloud and high-performance computing, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos is a SE (Societas Europaea) and listed on Euronext Paris. Our Dynamics Practice and Power Platform Team is at the forefront of delivering innovative, high-impact solutions to leading Financial Services organizations and large Government clients.
        * Salary: Attractive salary plus excellent benefits. * Location: UK Wide * Remote * Travel required: May require UK domestic travel, as the need arises. Atos Group is a global leader in digital transformation with c. 70,000 employees and annual revenue of c. € 10 billion, operating in 67 countries under two brands Atos for services and Eviden for products. European number one in cybersecurity, cloud and high-performance computing, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos is a SE (Societas Europaea) and listed on Euronext Paris. Our Dynamics Practice and Power Platform Team is at the forefront of delivering innovative, high-impact solutions to leading Financial Services organizations and large Government clients.
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        NEWFEATURED

        Senior Full Stack Web Developer

        Hireful
        Milton Keynes, Buckinghamshire, MK9
        £60k base + Bonus and great benefits
        Are you a Senior Web Developer who fancies redefining operational excellence across higher education, conferencing and events? You’ll be joining a company trusted by more than 350 institutions worldwide and backed by 25 years of experience. You’ll be joining a people-first, purpose-driven business where ideas are valued, growth is supported and impact is truly visible. We’re looking for a Senior Web Developer with outstanding front-end expertise and strong full-stack capabilities to help shape the next chapter of our platform. You’ll design and deliver accessible, secure and high-quality web solutions, working closely with clients, project managers and fellow developers. Role: Senior Full Stack Web Developer, Senior Web Developer, Senior Developer, Senior Full Stack Developer, Senior Front End Developer, Full Stack Developer
        Are you a Senior Web Developer who fancies redefining operational excellence across higher education, conferencing and events? You’ll be joining a company trusted by more than 350 institutions worldwide and backed by 25 years of experience. You’ll be joining a people-first, purpose-driven business where ideas are valued, growth is supported and impact is truly visible. We’re looking for a Senior Web Developer with outstanding front-end expertise and strong full-stack capabilities to help shape the next chapter of our platform. You’ll design and deliver accessible, secure and high-quality web solutions, working closely with clients, project managers and fellow developers. Role: Senior Full Stack Web Developer, Senior Web Developer, Senior Developer, Senior Full Stack Developer, Senior Front End Developer, Full Stack Developer
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        NEWFEATURED
        Senior Front-End Developer, React.js, Hybrid, COR7426 Are you an experienced Front-End Developer with React.js expertise looking for your next challenge? Join a forward-thinking team driving innovation in AI-powered tax solutions. The Role As a Front-End Developer, you’ll design and build responsive, scalable, and intuitive user interfaces using React.js and modern JavaScript frameworks. Working closely with back-end teams, you’ll ensure seamless API integrations while optimising applications for performance, accessibility, and user experience. The Company Our client is transforming their industry with innovative AI-driven products. With a collaborative and supportive culture, they offer a dynamic environment where you can develop your skills and make a real impact on forward-looking projects.
        Senior Front-End Developer, React.js, Hybrid, COR7426 Are you an experienced Front-End Developer with React.js expertise looking for your next challenge? Join a forward-thinking team driving innovation in AI-powered tax solutions. The Role As a Front-End Developer, you’ll design and build responsive, scalable, and intuitive user interfaces using React.js and modern JavaScript frameworks. Working closely with back-end teams, you’ll ensure seamless API integrations while optimising applications for performance, accessibility, and user experience. The Company Our client is transforming their industry with innovative AI-driven products. With a collaborative and supportive culture, they offer a dynamic environment where you can develop your skills and make a real impact on forward-looking projects.
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        One Trust Developer

        Stackstudio Digital Ltd.
        Luton (LU1)
        From £475 to £480 per day
        Job Title:One Trust Developer Mode of Working:Hybrid If Hybrid, How Many Days in Office?:1 day Work Location (UK & I):Luton, UK Role Description 1. TCS is looking for an experienced One Trust Developer to support the Consent Management Platform. 2. Hands-on experience working with FreeMarker Template Language (FTL) for building dynamic consent workflows and notifications (email templates, preference updates, legal notices, system-triggered actions). 3. Basic knowledge of JavaScript for CMP front-end deployment (cookie banners, scripts). 4. Strong understanding of API integrations, RESTful services, and event streaming. 5. Knowledge with customer data platforms (event routing, identity resolution, integration setup). 6. Good understanding and knowledge of identity systems such as ForgeRock (preferred), OAuth2, SSO, and token-based access. 7.
        Job Title:One Trust Developer Mode of Working:Hybrid If Hybrid, How Many Days in Office?:1 day Work Location (UK & I):Luton, UK Role Description 1. TCS is looking for an experienced One Trust Developer to support the Consent Management Platform. 2. Hands-on experience working with FreeMarker Template Language (FTL) for building dynamic consent workflows and notifications (email templates, preference updates, legal notices, system-triggered actions). 3. Basic knowledge of JavaScript for CMP front-end deployment (cookie banners, scripts). 4. Strong understanding of API integrations, RESTful services, and event streaming. 5. Knowledge with customer data platforms (event routing, identity resolution, integration setup). 6. Good understanding and knowledge of identity systems such as ForgeRock (preferred), OAuth2, SSO, and token-based access. 7.
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        Description Technology, Digital and Data Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it. Job Posting Title: IT Analyst Salary: From £40,000 (depending on experience) Location: Peterborough * 25 days annual leave, * Up to 10% Bonus * Contributory pension scheme - Caterpillar will double the employee's contribution Up to 10% * Contributory share scheme - Caterpillar will match 50% of the employee's contribution.
        Description Technology, Digital and Data Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it. Job Posting Title: IT Analyst Salary: From £40,000 (depending on experience) Location: Peterborough * 25 days annual leave, * Up to 10% Bonus * Contributory pension scheme - Caterpillar will double the employee's contribution Up to 10% * Contributory share scheme - Caterpillar will match 50% of the employee's contribution.
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        NEW

        Head of IT

        Hays
        Milton Keynes (MK1)
        £90000.0 - £100000.0 per annum + + Great Benefits Package
        Our client, a leading global organisation in the commercial vehicle industry, is seeking a Head of IT to drive innovation, standardisation, and operational excellence across the UK and European cluster (UK, Netherlands, Belgium). About the Role * Lead and manage the UK IT team, ensuring delivery of high-quality IT solutions, services, and projects. * Act as a strategic business partner, aligning IT strategy with business objectives. * Oversee application management and support, implementing agile methodologies (e.g., Scrum) and ITIL-based processes. * Drive IT landscape harmonisation and transformation toward a centralised, standardised regional model. * Manage budgets for run, change, and project portfolios. * Build strong relationships with internal stakeholders and external providers to ensure effective, compliant, and value-driven solutions.
        Our client, a leading global organisation in the commercial vehicle industry, is seeking a Head of IT to drive innovation, standardisation, and operational excellence across the UK and European cluster (UK, Netherlands, Belgium). About the Role * Lead and manage the UK IT team, ensuring delivery of high-quality IT solutions, services, and projects. * Act as a strategic business partner, aligning IT strategy with business objectives. * Oversee application management and support, implementing agile methodologies (e.g., Scrum) and ITIL-based processes. * Drive IT landscape harmonisation and transformation toward a centralised, standardised regional model. * Manage budgets for run, change, and project portfolios. * Build strong relationships with internal stakeholders and external providers to ensure effective, compliant, and value-driven solutions.
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        System Integration Engineer

        Certes IT Service Solutions
        Budbrooke Industrial Estate, Warwick (CV34), CV35
        From £400 to £500 per day
        We are seeking an experienced System Integration Engineer with a strong background working within a UK police force or policing environment to support a major records management system (RMS) migration programme. The role will focus on integrating legacy and surrounding policing systems with NicheRMS (or a comparable police RMS platform). Role Overview You will play a key role in the design, build, and delivery of complex system integrations, ensuring reliable data flows, interoperability, and compliance with policing and information governance standards. Working closely with technical architects, data migration engineers, suppliers, and policing stakeholders, you will help enable a smooth transition from legacy systems to NicheRMS. Key Responsibilities * Design, build, and support system integrations between NicheRMS and legacy or adjacent policing systems.
        We are seeking an experienced System Integration Engineer with a strong background working within a UK police force or policing environment to support a major records management system (RMS) migration programme. The role will focus on integrating legacy and surrounding policing systems with NicheRMS (or a comparable police RMS platform). Role Overview You will play a key role in the design, build, and delivery of complex system integrations, ensuring reliable data flows, interoperability, and compliance with policing and information governance standards. Working closely with technical architects, data migration engineers, suppliers, and policing stakeholders, you will help enable a smooth transition from legacy systems to NicheRMS. Key Responsibilities * Design, build, and support system integrations between NicheRMS and legacy or adjacent policing systems.
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        Senior Business Analyst

        Morson Edge
        Warwick, Warwickshire, CV34
        £60k - 90k per year + Benefits
        * Job title: Senior Business Analyst * Location: Warwick (hybrid working – 2 days in the office so candidates who are commutable within Warwickshire are preferred) * Salary: £55,000 - £90,000 DOE + benefits A fast-growing consultancy and digital product specialist is seeking a Senior Business Analyst to join its expanding team. This is a newly created role, offering the opportunity to join the organisation at an exciting stage of growth and play a key role in delivering digital products to customers. This position offers strong scope for professional development within a collaborative, delivery-focused environment. The Role You will support the continued growth of the business by working directly with customers and the Product Deployment team to deliver successful digital product implementations.
        * Job title: Senior Business Analyst * Location: Warwick (hybrid working – 2 days in the office so candidates who are commutable within Warwickshire are preferred) * Salary: £55,000 - £90,000 DOE + benefits A fast-growing consultancy and digital product specialist is seeking a Senior Business Analyst to join its expanding team. This is a newly created role, offering the opportunity to join the organisation at an exciting stage of growth and play a key role in delivering digital products to customers. This position offers strong scope for professional development within a collaborative, delivery-focused environment. The Role You will support the continued growth of the business by working directly with customers and the Product Deployment team to deliver successful digital product implementations.
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        Application and Monitoring SME

        OCTOPUS COMPUTER ASSOCIATES
        Warwick, Warwickshire
        £306.25 per day
        Blue chip client is looking for an Application and Monitoring SME Role is based full time on site in Warwick Candidates must be eligible for SC Clearance. MUST BE PAYE THROUGH UMBRELLA (INSIDE IR35) Working from Warwick office, ideally within 1 hours travel Wokingham office considered but needs to travel to Warwick office for training Primary skills - L1 monitoring/observability, ITIL process, incident, MIM, etc Secondary skills - L1 troubleshooting, work with multi-team and engage with L2 support engineers and partners - Monitoring Strategy & Implementation - Define and implement monitoring frameworks for enterprise applications, Middleware, and infrastructure. - Deploy and configure monitoring tools (eg, Dynatrace, AppDynamics, Splunk, Prometheus, Grafana, Datadog). - Establish KPIs, dashboards, and alerting mechanisms for proactive issue detection.
        Blue chip client is looking for an Application and Monitoring SME Role is based full time on site in Warwick Candidates must be eligible for SC Clearance. MUST BE PAYE THROUGH UMBRELLA (INSIDE IR35) Working from Warwick office, ideally within 1 hours travel Wokingham office considered but needs to travel to Warwick office for training Primary skills - L1 monitoring/observability, ITIL process, incident, MIM, etc Secondary skills - L1 troubleshooting, work with multi-team and engage with L2 support engineers and partners - Monitoring Strategy & Implementation - Define and implement monitoring frameworks for enterprise applications, Middleware, and infrastructure. - Deploy and configure monitoring tools (eg, Dynatrace, AppDynamics, Splunk, Prometheus, Grafana, Datadog). - Establish KPIs, dashboards, and alerting mechanisms for proactive issue detection.
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        Software Engineer

        Spectrum It Recruitment Limited
        Aylesbury (HP17)
        £50000 - £55000 per annum + plus benefits
        - GoLang, JavaScript, Linux, hardware - In office location of Aylesbury, Buckinghamshire. Some flex on hybird working. - Salary circa £50,000 - £55,000 plus benefits Technology provider of secure identity, access, and authentication solutions. My client build high-performance software and hardware systems that support mission-critical identity operations. The engineering team works across embedded systems, backend services, and security infrastructure to deliver reliable, scalable products. Role Overview You will be a versatile Software Engineer with strong experience in Go (Golang), JavaScript, Linux environments, and hardware configuration. The ideal candidate is comfortable working across the full stack-from backend services to device-level integration-and enjoys solving complex problems in a fast-paced, product-focused environment. Key Responsibilities
        - GoLang, JavaScript, Linux, hardware - In office location of Aylesbury, Buckinghamshire. Some flex on hybird working. - Salary circa £50,000 - £55,000 plus benefits Technology provider of secure identity, access, and authentication solutions. My client build high-performance software and hardware systems that support mission-critical identity operations. The engineering team works across embedded systems, backend services, and security infrastructure to deliver reliable, scalable products. Role Overview You will be a versatile Software Engineer with strong experience in Go (Golang), JavaScript, Linux environments, and hardware configuration. The ideal candidate is comfortable working across the full stack-from backend services to device-level integration-and enjoys solving complex problems in a fast-paced, product-focused environment. Key Responsibilities
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        Solution Architect – Finance

        Stackstudio Digital Ltd.
        Luton (LU1)
        From £500 to £525 per day
        Job Title:Solution Architect Finance Mode of Working:Hybrid Work Location (UK & I):Luton, UK Role Description * Lead enterprise-level design discussions as a Finance Architect * Drive solution ideation, solution design, and solution implementation involving Finance, HR, and Procurement * Directly assist in the development of a solutions architecture program * Review enterprise architecture changes and validate against best-in-class industry standards * Direct the identification and recommendation of appropriate solutions, upgrades, replacements, or decommissioning options incorporating business and technology productivity, usability, and total cost of ownership (TCO) * Manage activities that take place during solution ideation, solution design, and solution implementation
        Job Title:Solution Architect Finance Mode of Working:Hybrid Work Location (UK & I):Luton, UK Role Description * Lead enterprise-level design discussions as a Finance Architect * Drive solution ideation, solution design, and solution implementation involving Finance, HR, and Procurement * Directly assist in the development of a solutions architecture program * Review enterprise architecture changes and validate against best-in-class industry standards * Direct the identification and recommendation of appropriate solutions, upgrades, replacements, or decommissioning options incorporating business and technology productivity, usability, and total cost of ownership (TCO) * Manage activities that take place during solution ideation, solution design, and solution implementation
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        Payment Architect

        Stackstudio Digital Ltd.
        Northampton, Northamptonshire
        Unspecified
        Job title- Payment Architect Location: Milton Keynes (2-3 days) Duration: 6 Months Job Description Santander UK is expanding its Payments Solution Architecture team. We are looking for senior level architects with deep experience in payments execution processing. These hires will support the modernisation of our payments estate and the migration of legacy platforms to the Payments Hub (PagoNxt). The individuals must have strong payments scheme knowledge, deep understanding of ISO 20022, and proven experience designing solutions for core payment processing. Payments domain expertise * Strong experience across payments execution processes such as orchestration, order management, clearing, settlement, reconciliations, exception handling and returns. * Practical scheme knowledge in at least several of the following: Bacs, Faster Payments, CHAPS, SWIFT, SEPA, cheques.
        Job title- Payment Architect Location: Milton Keynes (2-3 days) Duration: 6 Months Job Description Santander UK is expanding its Payments Solution Architecture team. We are looking for senior level architects with deep experience in payments execution processing. These hires will support the modernisation of our payments estate and the migration of legacy platforms to the Payments Hub (PagoNxt). The individuals must have strong payments scheme knowledge, deep understanding of ISO 20022, and proven experience designing solutions for core payment processing. Payments domain expertise * Strong experience across payments execution processes such as orchestration, order management, clearing, settlement, reconciliations, exception handling and returns. * Practical scheme knowledge in at least several of the following: Bacs, Faster Payments, CHAPS, SWIFT, SEPA, cheques.
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        Payment Architect

        Stackstudio Digital Ltd.
        Luton, Bedfordshire
        Unspecified
        Job title- Payment Architect Location: Milton Keynes (2-3 days) Duration: 6 Months Job Description Santander UK is expanding its Payments Solution Architecture team. We are looking for senior level architects with deep experience in payments execution processing. These hires will support the modernisation of our payments estate and the migration of legacy platforms to the Payments Hub (PagoNxt). The individuals must have strong payments scheme knowledge, deep understanding of ISO 20022, and proven experience designing solutions for core payment processing. Payments domain expertise * Strong experience across payments execution processes such as orchestration, order management, clearing, settlement, reconciliations, exception handling and returns. * Practical scheme knowledge in at least several of the following: Bacs, Faster Payments, CHAPS, SWIFT, SEPA, cheques.
        Job title- Payment Architect Location: Milton Keynes (2-3 days) Duration: 6 Months Job Description Santander UK is expanding its Payments Solution Architecture team. We are looking for senior level architects with deep experience in payments execution processing. These hires will support the modernisation of our payments estate and the migration of legacy platforms to the Payments Hub (PagoNxt). The individuals must have strong payments scheme knowledge, deep understanding of ISO 20022, and proven experience designing solutions for core payment processing. Payments domain expertise * Strong experience across payments execution processes such as orchestration, order management, clearing, settlement, reconciliations, exception handling and returns. * Practical scheme knowledge in at least several of the following: Bacs, Faster Payments, CHAPS, SWIFT, SEPA, cheques.
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        Principal Engineer

        Kingston Barnes Engineering
        Keeley Green, Bedford (MK42), MK42
        £80,000 per annum holiday, pension, sick pay, life assurance
        Bedford Up to £80,000 Kingston Barnes is currently recruiting for a Principal Engineer on behalf of our client in the Bedford area. Our client is a well-known manufacturer of pumping plant for the water or wastewater industry. You will provide technical leadership, drive engineering excellent and best practice, mentor the engineering teams, and ensure the team delivers high quality equipment to their customers. Alongside this youll collaborate * Lead innovation and R&D to bring new ideas and technologies into the company. * Improve how projects are reviewed and approved * Translate customer needs into clear technical requirements for the design, testing and manufacturing teams. * Shape product strategy, working closely with sales to ensure products match market demand. * Integrate technology from the parent company into local products where beneficial.
        Bedford Up to £80,000 Kingston Barnes is currently recruiting for a Principal Engineer on behalf of our client in the Bedford area. Our client is a well-known manufacturer of pumping plant for the water or wastewater industry. You will provide technical leadership, drive engineering excellent and best practice, mentor the engineering teams, and ensure the team delivers high quality equipment to their customers. Alongside this youll collaborate * Lead innovation and R&D to bring new ideas and technologies into the company. * Improve how projects are reviewed and approved * Translate customer needs into clear technical requirements for the design, testing and manufacturing teams. * Shape product strategy, working closely with sales to ensure products match market demand. * Integrate technology from the parent company into local products where beneficial.
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        Payment Architect

        Stackstudio Digital Ltd.
        Milton Keynes (MK1)
        Unspecified
        Job title- Payment Architect Location: Milton Keynes (2-3 days) Duration: 6 Months Job Description Santander UK is expanding its Payments Solution Architecture team. We are looking for senior level architects with deep experience in payments execution processing. These hires will support the modernisation of our payments estate and the migration of legacy platforms to the Payments Hub (PagoNxt). The individuals must have strong payments scheme knowledge, deep understanding of ISO 20022, and proven experience designing solutions for core payment processing. Payments domain expertise * Strong experience across payments execution processes such as orchestration, order management, clearing, settlement, reconciliations, exception handling and returns. * Practical scheme knowledge in at least several of the following: Bacs, Faster Payments, CHAPS, SWIFT, SEPA, cheques.
        Job title- Payment Architect Location: Milton Keynes (2-3 days) Duration: 6 Months Job Description Santander UK is expanding its Payments Solution Architecture team. We are looking for senior level architects with deep experience in payments execution processing. These hires will support the modernisation of our payments estate and the migration of legacy platforms to the Payments Hub (PagoNxt). The individuals must have strong payments scheme knowledge, deep understanding of ISO 20022, and proven experience designing solutions for core payment processing. Payments domain expertise * Strong experience across payments execution processes such as orchestration, order management, clearing, settlement, reconciliations, exception handling and returns. * Practical scheme knowledge in at least several of the following: Bacs, Faster Payments, CHAPS, SWIFT, SEPA, cheques.
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        Mott MacDonald Bentley are recruiting for a GIS Operative to join the Strategic Pipeline Alliance (SPA). The 330km Strategic Pipeline Alliance (SPA) Project by Anglian Water is under construction and will be completed during AMP8. Beyond this we have a further 260km of water transfer pipelines and associated infrastructure to be delivered in AMP8. What will you be doing as our new GIS Operator? The SPA GIS system is essential to supporting all phases of the projects, from consenting through construction to asset handover. Joining our team as a GIS Operator, you will contribute to managing SPAs enterprise GIS database, GIS task delivery (e.g. map production, survey support, analysis and automation).
        Mott MacDonald Bentley are recruiting for a GIS Operative to join the Strategic Pipeline Alliance (SPA). The 330km Strategic Pipeline Alliance (SPA) Project by Anglian Water is under construction and will be completed during AMP8. Beyond this we have a further 260km of water transfer pipelines and associated infrastructure to be delivered in AMP8. What will you be doing as our new GIS Operator? The SPA GIS system is essential to supporting all phases of the projects, from consenting through construction to asset handover. Joining our team as a GIS Operator, you will contribute to managing SPAs enterprise GIS database, GIS task delivery (e.g. map production, survey support, analysis and automation).
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        SwiftUI Mobile App Lead Developer - Leicestershire

        Mapp UK Ltd
        Leicester (LE3)
        From £62,000 to £70,000 per annum basic + bonus, pension,. share optio
        Salary - £62K - £70K basic + Annual Bonus + Share Option + Pension + other great benefits A new and exciting role for a Mobile App Lead Developer with a strong technical background in developing Apple ecosystem customer facing iOS apps in Swift to join one of the UK's leading FTSE100 companies. Our client has re-written their mobile app using Swift 6 in iOS 26 Liquid Glass using brand new code. You will lead and mentor a team of up to 10 experienced developers and work alongside the architects in improving the App, delivery metrics and KPI's. * Technical Proficiency: Demonstrable experience in building robust iOS applications using Swift 5 or Swift 6 and SwiftUI ((experience with Swift 6 language. iOS 18 and above) with familiarity with the Apple ecosystem.
        Salary - £62K - £70K basic + Annual Bonus + Share Option + Pension + other great benefits A new and exciting role for a Mobile App Lead Developer with a strong technical background in developing Apple ecosystem customer facing iOS apps in Swift to join one of the UK's leading FTSE100 companies. Our client has re-written their mobile app using Swift 6 in iOS 26 Liquid Glass using brand new code. You will lead and mentor a team of up to 10 experienced developers and work alongside the architects in improving the App, delivery metrics and KPI's. * Technical Proficiency: Demonstrable experience in building robust iOS applications using Swift 5 or Swift 6 and SwiftUI ((experience with Swift 6 language. iOS 18 and above) with familiarity with the Apple ecosystem.
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        Full Stack Developer

        Unipart
        Nuneaton, Warwickshire
        £35000 - £40000 per annum
        Location: Hybrid - Nuneaton and Remote Contract Type: Permanent Hours: Full time, 40 hours per week, Monday to Friday Salary: £35,000-£40,000 per annum DOE, plus car / car allowance Benefits:33 days holiday, pension, life assurance, employee assistance programme, wellbeing support, and flexible benefits scheme About the Job Youll have an important part to play delivering high quality features and seamless integrations across our enterprise web platforms. Here at Unipart we dont just have a way of working, we have The Unipart Way. It allows everyone in our team to pursue their own personal and professional goals to a world class level, through Unipart's From Gate to Great training and development program.
        Location: Hybrid - Nuneaton and Remote Contract Type: Permanent Hours: Full time, 40 hours per week, Monday to Friday Salary: £35,000-£40,000 per annum DOE, plus car / car allowance Benefits:33 days holiday, pension, life assurance, employee assistance programme, wellbeing support, and flexible benefits scheme About the Job Youll have an important part to play delivering high quality features and seamless integrations across our enterprise web platforms. Here at Unipart we dont just have a way of working, we have The Unipart Way. It allows everyone in our team to pursue their own personal and professional goals to a world class level, through Unipart's From Gate to Great training and development program.
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        FEATURED

        Lead .Net Software Developer

        Hireful
        Milton Keynes, Buckinghamshire, MK9
        £65k - £75k base salary + bonus and great benefits
        Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer Salary: £65k - £75k base + Bonus Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more Location: Milton Keynes – Hybrid (2 days a week in office)
        Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer Salary: £65k - £75k base + Bonus Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more Location: Milton Keynes – Hybrid (2 days a week in office)
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        FEATURED

        Software Engineer in Test

        Halian Technology Limited
        Warwick (CV34)
        From £50,000 to £65,000 per annum Plus bonus and benefits
        My client is anaward-winning software development company that is now looking for a skilled Software engineer in testspecialising in innovative cloud-based solutions designed foraccountants. Their mission is to simplify financial management through scalable software products that help professionals to focus on what they do best. You will be responsible for designing, developing, and executing automated tests to ensure the quality and functionality of our software products. Key Responsibilities * Develop and maintain automated test suites and frameworks for web apps and APIs, ensuring complete test coverage. * Execute automated tests, analyse results, and identify defects to ensure the highest quality of our software. * Contribute to manual testing efforts when needed. * Collaborate with product and development teams to define testing requirements and strategies.
        My client is anaward-winning software development company that is now looking for a skilled Software engineer in testspecialising in innovative cloud-based solutions designed foraccountants. Their mission is to simplify financial management through scalable software products that help professionals to focus on what they do best. You will be responsible for designing, developing, and executing automated tests to ensure the quality and functionality of our software products. Key Responsibilities * Develop and maintain automated test suites and frameworks for web apps and APIs, ensuring complete test coverage. * Execute automated tests, analyse results, and identify defects to ensure the highest quality of our software. * Contribute to manual testing efforts when needed. * Collaborate with product and development teams to define testing requirements and strategies.
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        We are looking for a Senior Software Engineer to join our Group Technology team in Milton Keynes. In this role, you will help develop, support and enhance business systems and applications using .NET technologies and SQL Server. We offer a hybrid working arrangement with two days per week in our Milton Keynes office. * Be up to date regarding best practices in software development and deployment * Implement best practice coding in relation to development coding standards * Use operational data to improve the stability and performance of the applications * Maintain documentation and release notes * Have awareness of application security considerations * Identify dependencies across the organization and work with teams to resolve them before they become an issue, and install preventative measures to mitigate repeat occurrences
        We are looking for a Senior Software Engineer to join our Group Technology team in Milton Keynes. In this role, you will help develop, support and enhance business systems and applications using .NET technologies and SQL Server. We offer a hybrid working arrangement with two days per week in our Milton Keynes office. * Be up to date regarding best practices in software development and deployment * Implement best practice coding in relation to development coding standards * Use operational data to improve the stability and performance of the applications * Maintain documentation and release notes * Have awareness of application security considerations * Identify dependencies across the organization and work with teams to resolve them before they become an issue, and install preventative measures to mitigate repeat occurrences
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        Product Owner - Digital Software

        Interaction - Kettering
        Kettering, Northamptonshire
        £45k - 55k per year
        Location: Kettering Salary: £45,000–£55,000 + excellent benefits Hours: 37.5 per week Contract: Permanent, Full-time Application Deadline: 5th December 2025 Interaction Recruitment are partnering with a leading organisation in Kettering to recruit an experienced and forward-thinking Product Owner to support and guide the evolution of their digital applications. This is an exciting opportunity to join a growing Digital Software team, where you'll play a pivotal role in shaping key business products from concept through to delivery. If you're passionate about digital transformation, thrive in collaborative environments, and enjoy full ownership of product vision—this role is an excellent next step in your career. What You’ll Be Doing Build strong relationships across the business and champion a consistent, high-quality approach to product delivery.
        Location: Kettering Salary: £45,000–£55,000 + excellent benefits Hours: 37.5 per week Contract: Permanent, Full-time Application Deadline: 5th December 2025 Interaction Recruitment are partnering with a leading organisation in Kettering to recruit an experienced and forward-thinking Product Owner to support and guide the evolution of their digital applications. This is an exciting opportunity to join a growing Digital Software team, where you'll play a pivotal role in shaping key business products from concept through to delivery. If you're passionate about digital transformation, thrive in collaborative environments, and enjoy full ownership of product vision—this role is an excellent next step in your career. What You’ll Be Doing Build strong relationships across the business and champion a consistent, high-quality approach to product delivery.
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        What is the average salary for API in Northamptonshire?

        Average salary per year
        £57,499

        The average salary for a API in Northamptonshire is £57,499. API in Northamptonshire salaries range from £47,499 to £77,499.

        Frequently Asked Questions

        How many permanent API jobs are there in Northamptonshire?
        There are 37 permanent API jobs within 20 miles of Northamptonshire available on Jobsite right now.

        What other similar jobs are there to permanent API jobs in Northamptonshire?
        As well as permanent API jobs in Northamptonshire, you can find permanent IT, Software Development, Management, amongst many others.