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42 API jobs in Northamptonshire + 20 miles

My client, a global consultancy leader , have an end client where a major UK infrastructureis undergoing a large-scale transformation of its Electricity Transmission SCADA platform, migrating from a legacy shared system to a modern OSI Aspentech/DGM-based solution. The new system will control ~350 substations, integrating thousands of sensors and assets, and is key to meeting digital efficiency and safety objectives. We're looking for an experiencedAgile Test Leadto ensure consistent, high-quality testing across multiple SCRUM teams throughout System Integration Testing (SIT) and other test phases delivered in both Agile and Waterfall methodologies. * Lead and coordinate SIT planning, preparation, and execution across 4 SCRUM teams * Promote and embed testing best practices and quality assurance standards
My client, a global consultancy leader , have an end client where a major UK infrastructureis undergoing a large-scale transformation of its Electricity Transmission SCADA platform, migrating from a legacy shared system to a modern OSI Aspentech/DGM-based solution. The new system will control ~350 substations, integrating thousands of sensors and assets, and is key to meeting digital efficiency and safety objectives. We're looking for an experiencedAgile Test Leadto ensure consistent, high-quality testing across multiple SCRUM teams throughout System Integration Testing (SIT) and other test phases delivered in both Agile and Waterfall methodologies. * Lead and coordinate SIT planning, preparation, and execution across 4 SCRUM teams * Promote and embed testing best practices and quality assurance standards
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NEW

Salesforce Platform Developer

CV Screen Ltd
Hart Hill, LU2
£50k - 65k per year + Hybrid Working
Luton Salary up to 65k + Hybrid Working You’ll be joining a fantastic business based near Luton as their Salesforce Developer. In the role, you will be involved in the development and customisation of Salesforce including extensions, configurations, and integrations. * Build Salesforce apps using LWC, AURA, Apex, APIs, Flows, and Triggers * Design UIs in Experience Cloud with Lightning and Visualforce * Optimize code and customize Service Cloud and Communities * Integrate Salesforce with external systems and services * Develop and maintain Apex classes, controllers, and triggers * Configure custom fields, objects, layouts, and automation * Use Salesforce DX and follow best practices for deployment * Support full dev lifecycle and create user documentation * Experienced with DevOps and Agile methodologies. * Skilled in Salesforce automation.
Luton Salary up to 65k + Hybrid Working You’ll be joining a fantastic business based near Luton as their Salesforce Developer. In the role, you will be involved in the development and customisation of Salesforce including extensions, configurations, and integrations. * Build Salesforce apps using LWC, AURA, Apex, APIs, Flows, and Triggers * Design UIs in Experience Cloud with Lightning and Visualforce * Optimize code and customize Service Cloud and Communities * Integrate Salesforce with external systems and services * Develop and maintain Apex classes, controllers, and triggers * Configure custom fields, objects, layouts, and automation * Use Salesforce DX and follow best practices for deployment * Support full dev lifecycle and create user documentation * Experienced with DevOps and Agile methodologies. * Skilled in Salesforce automation.
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NEW

Software Developer

Oscar Associates (UK) Limited
LE1, Leicester
£40000 - £50000 per annum
The Role A growing ERP software consultancy is looking for a skilled and motivated Software Developer to join their team. In this role, you'll be customising and integrating ERP systems, building new modules, and supporting client implementations with clean, scalable code. Working closely with project managers and clients, you'll help ensure successful project delivery while contributing to the evolution of a modern SaaS platform. You'll be part of a tight-knit and supportive team with a real opportunity to grow alongside the business. There will be collaboration within your development team and a ross the wider business to ensure the best software solutions are created and delivered. Requirements * Minimum 3 years of experience in Software Development * ERP and SaaS experience * C# .NET Core * SQL Server * Strong communication and client-facing skills Desirables
The Role A growing ERP software consultancy is looking for a skilled and motivated Software Developer to join their team. In this role, you'll be customising and integrating ERP systems, building new modules, and supporting client implementations with clean, scalable code. Working closely with project managers and clients, you'll help ensure successful project delivery while contributing to the evolution of a modern SaaS platform. You'll be part of a tight-knit and supportive team with a real opportunity to grow alongside the business. There will be collaboration within your development team and a ross the wider business to ensure the best software solutions are created and delivered. Requirements * Minimum 3 years of experience in Software Development * ERP and SaaS experience * C# .NET Core * SQL Server * Strong communication and client-facing skills Desirables
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FEATURED

Solution Architect

Prodapt (UK) Limited
MK9, Milton Keynes
Unspecified
Contract: 6 Months Location: Milton Keynes Mode: Hybrid We are seeking an experienced Telecom Solution Architect with a strong background in OSS/BSS and Salesforce architecture. The ideal candidate will have a comprehensive understanding of the Lead to Cash process, Service Delivery frameworks, and some familiarity with Service Management principles. You will play a critical role in designing and implementing innovative solutions that enhance our telecommunications services and improve customer experiences. * Design and architect end-to-end OSS/BSS solutions tailored to meet the needs of our telecommunications services. * Collaborate with cross-functional teams to integrate Salesforce capabilities with existing systems and processes. * Analyze business requirements and translate them into technical specifications, ensuring alignment with Lead to Cash processes.
Contract: 6 Months Location: Milton Keynes Mode: Hybrid We are seeking an experienced Telecom Solution Architect with a strong background in OSS/BSS and Salesforce architecture. The ideal candidate will have a comprehensive understanding of the Lead to Cash process, Service Delivery frameworks, and some familiarity with Service Management principles. You will play a critical role in designing and implementing innovative solutions that enhance our telecommunications services and improve customer experiences. * Design and architect end-to-end OSS/BSS solutions tailored to meet the needs of our telecommunications services. * Collaborate with cross-functional teams to integrate Salesforce capabilities with existing systems and processes. * Analyze business requirements and translate them into technical specifications, ensuring alignment with Lead to Cash processes.
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Salesforce Developer

Rullion Limited
Newfound Pool, LE3 5BZ
£55000 - £60000 per annum
Lead Salesforce Developer | Leicester | £Excellent + Benefits | Hybrid Are you ready to shape the future of Salesforce in a fast-paced, digitally transforming organisation? This is your chance to be at the heart of a high-impact transformation journey where innovation meets ambition. We're on the hunt for a Lead Salesforce Developer to take the reins of a thriving Salesforce environment, working across multiple business units and leading the charge on solution design, development, and delivery. With a focus on cutting-edge technologies like Omnistudio, Vlocity, Lightning Web Components, and more, this role offers the chance to make a real difference - fast. Location: Leicester LE3 5BZ Working Hours: Monday to Friday, 37.5 hours/week Working Pattern: Hybrid (onsite presence required weekly)?? What You'll Be Doing
Lead Salesforce Developer | Leicester | £Excellent + Benefits | Hybrid Are you ready to shape the future of Salesforce in a fast-paced, digitally transforming organisation? This is your chance to be at the heart of a high-impact transformation journey where innovation meets ambition. We're on the hunt for a Lead Salesforce Developer to take the reins of a thriving Salesforce environment, working across multiple business units and leading the charge on solution design, development, and delivery. With a focus on cutting-edge technologies like Omnistudio, Vlocity, Lightning Web Components, and more, this role offers the chance to make a real difference - fast. Location: Leicester LE3 5BZ Working Hours: Monday to Friday, 37.5 hours/week Working Pattern: Hybrid (onsite presence required weekly)?? What You'll Be Doing
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Join Our Team as a Senior Test Automation Engineer! Are you passionate about test automation and eager to work with cutting-edge data and Machine Learning products? We are seeking aSenior Test Automation Engineerto join our dynamic Data business area. This key role involves designing and implementing robust, scalable test automation strategies across a suite of ML-driven data products, helping us ship with confidence and speed. * Design and implement automated tests for data pipelines, APIs, and machine learning products. * Integrate test automation into our Azure DevOps CI/CD pipelines. * Collaborate closely with data engineers, data scientists, and product owners to define quality criteria and acceptance scenarios. * Drive test-first thinking and practices within the team (e.g., BDD, TDD).
Join Our Team as a Senior Test Automation Engineer! Are you passionate about test automation and eager to work with cutting-edge data and Machine Learning products? We are seeking aSenior Test Automation Engineerto join our dynamic Data business area. This key role involves designing and implementing robust, scalable test automation strategies across a suite of ML-driven data products, helping us ship with confidence and speed. * Design and implement automated tests for data pipelines, APIs, and machine learning products. * Integrate test automation into our Azure DevOps CI/CD pipelines. * Collaborate closely with data engineers, data scientists, and product owners to define quality criteria and acceptance scenarios. * Drive test-first thinking and practices within the team (e.g., BDD, TDD).
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MuleSoft Developer

Erin Associates
Northampton, Northamptonshire
£70000 - £80000 per annum, Benefits excellent benefits
Integration Developer - Mulesoft - Northampton Salary to 80k plus excellent benefits - Hybrid role. Join this dynamic Integrations team as a Mulesoft Developer, driving end-to-end integration solutions using the MuleSoft Anypoint Platform. * Design, build, and deploy robust APIs and integrations * Work across systems using REST, JMS, SFTP, HTTP, DBs, and more * Implement data transformations with DataWeave, XSLT, and Java * Collaborate with stakeholders to define and deliver high-impact solutions * Ensure top-tier security, scalability, and performance * At least 2+ years hands-on MuleSoft experience (Mule 4.x, Anypoint Studio, CloudHub) * Strong Java and integration background * Expertise in REST, XML, JSON, SQL, and messaging protocols * Agile project experience and strong problem-solving skills
Integration Developer - Mulesoft - Northampton Salary to 80k plus excellent benefits - Hybrid role. Join this dynamic Integrations team as a Mulesoft Developer, driving end-to-end integration solutions using the MuleSoft Anypoint Platform. * Design, build, and deploy robust APIs and integrations * Work across systems using REST, JMS, SFTP, HTTP, DBs, and more * Implement data transformations with DataWeave, XSLT, and Java * Collaborate with stakeholders to define and deliver high-impact solutions * Ensure top-tier security, scalability, and performance * At least 2+ years hands-on MuleSoft experience (Mule 4.x, Anypoint Studio, CloudHub) * Strong Java and integration background * Expertise in REST, XML, JSON, SQL, and messaging protocols * Agile project experience and strong problem-solving skills
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FEATURED

Data Solution Architect

Stott & May Professional Search Limited
CV1, Coventry
Up to £0.00 per annum
Start: ASAP Duration: 6 months + Pay: negotiable, inside ir35 Location: 3 days per week on site in Coventry We're looking for a highly skilled Cloud Solution Architect. You'll lead the design and delivery of large-scale cloud and data solutions across Azure, Databricks, and Microsoft Fabric, working with petabyte-scale environments. Experience in the utilities sector or with SCADA/telemetry systems is a strong advantage. Key Responsibilities - Design and implement secure, scalable cloud data platforms (real-time & batch). - Integrate structured/unstructured sources incl. SCADA, SAP, telemetry, APIs. - Lead data governance (Purview, Unity Catalog), security, and compliance. - Architect solutions using Delta Lake, ADLS Gen2, Synapse, Cosmos DB. - Build streaming systems with Kafka, Event Hubs, IoT Hub.
Start: ASAP Duration: 6 months + Pay: negotiable, inside ir35 Location: 3 days per week on site in Coventry We're looking for a highly skilled Cloud Solution Architect. You'll lead the design and delivery of large-scale cloud and data solutions across Azure, Databricks, and Microsoft Fabric, working with petabyte-scale environments. Experience in the utilities sector or with SCADA/telemetry systems is a strong advantage. Key Responsibilities - Design and implement secure, scalable cloud data platforms (real-time & batch). - Integrate structured/unstructured sources incl. SCADA, SAP, telemetry, APIs. - Lead data governance (Purview, Unity Catalog), security, and compliance. - Architect solutions using Delta Lake, ADLS Gen2, Synapse, Cosmos DB. - Build streaming systems with Kafka, Event Hubs, IoT Hub.
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NEW

Data Solution Architect

Stott & May
Coventry, West Midlands
Up to £0.00 per annum
Start: ASAP Duration: 6 months + Pay: negotiable, inside ir35 Location: 3 days per week on site in Coventry We're looking for a highly skilled Cloud Solution Architect. You'll lead the design and delivery of large-scale cloud and data solutions across Azure, Databricks, and Microsoft Fabric, working with petabyte-scale environments. Experience in the utilities sector or with SCADA/telemetry systems is a strong advantage. Key Responsibilities - Design and implement secure, scalable cloud data platforms (real-time & batch). - Integrate structured/unstructured sources incl. SCADA, SAP, telemetry, APIs. - Lead data governance (Purview, Unity Catalog), security, and compliance. - Architect solutions using Delta Lake, ADLS Gen2, Synapse, Cosmos DB. - Build streaming systems with Kafka, Event Hubs, IoT Hub.
Start: ASAP Duration: 6 months + Pay: negotiable, inside ir35 Location: 3 days per week on site in Coventry We're looking for a highly skilled Cloud Solution Architect. You'll lead the design and delivery of large-scale cloud and data solutions across Azure, Databricks, and Microsoft Fabric, working with petabyte-scale environments. Experience in the utilities sector or with SCADA/telemetry systems is a strong advantage. Key Responsibilities - Design and implement secure, scalable cloud data platforms (real-time & batch). - Integrate structured/unstructured sources incl. SCADA, SAP, telemetry, APIs. - Lead data governance (Purview, Unity Catalog), security, and compliance. - Architect solutions using Delta Lake, ADLS Gen2, Synapse, Cosmos DB. - Build streaming systems with Kafka, Event Hubs, IoT Hub.
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Full Stack Developer

Verso Recruitment
Stewartby, MK43 9ND
£50,000-£70,000
Location: Stewartby, Bedfordshire (Office-based) Salary: £50,000-£70,000 + Benefits Job Type: Full-time, Permanent Sector: EV Charging | Cloud | Full Stack | IoT Power the Future of EV Charging – Join a High-Performance Tech Team We’re working with a UK-based innovator in the electric vehicle charging space to recruit a Full Stack Developer to play a central role in delivering the smart, connected infrastructure that underpins their growing product range. This is a hands-on, office-based role where you’ll work alongside hardware and firmware teams to build real-world IoT-enabled systems from the ground up. The company is known for its premium charge point design, smart user features, and direct partnerships with major automotive brands. The Role
Location: Stewartby, Bedfordshire (Office-based) Salary: £50,000-£70,000 + Benefits Job Type: Full-time, Permanent Sector: EV Charging | Cloud | Full Stack | IoT Power the Future of EV Charging – Join a High-Performance Tech Team We’re working with a UK-based innovator in the electric vehicle charging space to recruit a Full Stack Developer to play a central role in delivering the smart, connected infrastructure that underpins their growing product range. This is a hands-on, office-based role where you’ll work alongside hardware and firmware teams to build real-world IoT-enabled systems from the ground up. The company is known for its premium charge point design, smart user features, and direct partnerships with major automotive brands. The Role
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PREMIUM

Data Solution Architect

Queen Square Recruitment Limited
Coventry, West Midlands
From £600 to £650 per day
Title: Data Solution Architect Azure, Databricks, Microsoft Fabric Location: Coventry (Hybrid 3 days onsite/week) Day Rate: £600-£650 Start Date: ASAP Client: Confidential Major UK Utilities Programme Clearance: Right to work in the UK The Role We are hiring 2x experienced Data Solution Architects to lead a critical cloud data transformation programme for a top UK utilities company. Youll work with petabyte-scale real-time and historical datasets from systems such as SCADA, SAP, and IoT telemetry. Your primary focus will be delivering modern cloud-native data platforms across Azure, Databricks, Microsoft Fabric, with governance and streaming at scale. This is a hands-on architecture roledriving design, implementation, and platform optimisation. Why Join? * Make an impact on real-world infrastructure and data innovation
Title: Data Solution Architect Azure, Databricks, Microsoft Fabric Location: Coventry (Hybrid 3 days onsite/week) Day Rate: £600-£650 Start Date: ASAP Client: Confidential Major UK Utilities Programme Clearance: Right to work in the UK The Role We are hiring 2x experienced Data Solution Architects to lead a critical cloud data transformation programme for a top UK utilities company. Youll work with petabyte-scale real-time and historical datasets from systems such as SCADA, SAP, and IoT telemetry. Your primary focus will be delivering modern cloud-native data platforms across Azure, Databricks, Microsoft Fabric, with governance and streaming at scale. This is a hands-on architecture roledriving design, implementation, and platform optimisation. Why Join? * Make an impact on real-world infrastructure and data innovation
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Full-Stack Developer - React.js

Connexa
MK1, Milton Keynes
£40000 - £50000 per annum + 20% Bonus
Junior Full Stack Developer - React.js Location: Milton Keynes Working Structure: Hybrid (1 day onsite per week) Job Type: Full-time, Permanent Are you passionate about front-end development and ready to build high-impact public sector solutions? We're seeking a Junior Full Stack Developer with a front-end focus (React.js) to join our growing, highly skilled team. You'll spend most of your time building engaging, responsive web applications in React.js, while gaining experience working across the full stack with Java and Python back-end services. * Develop and maintain modern, user-focused front-end applications using React.js and TypeScript. * Contribute to full-stack development (20-30%) using Java and Python for APIs and server-side services. * Collaborate with solution architects, designers, and clients to deliver high-quality, scalable software solutions.
Junior Full Stack Developer - React.js Location: Milton Keynes Working Structure: Hybrid (1 day onsite per week) Job Type: Full-time, Permanent Are you passionate about front-end development and ready to build high-impact public sector solutions? We're seeking a Junior Full Stack Developer with a front-end focus (React.js) to join our growing, highly skilled team. You'll spend most of your time building engaging, responsive web applications in React.js, while gaining experience working across the full stack with Java and Python back-end services. * Develop and maintain modern, user-focused front-end applications using React.js and TypeScript. * Contribute to full-stack development (20-30%) using Java and Python for APIs and server-side services. * Collaborate with solution architects, designers, and clients to deliver high-quality, scalable software solutions.
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FEATUREDNEW

Solutions Architect

Queen Square Recruitment Limited
CV34, Warwick
£500 per day
Our client, a leading global organisation, is partnering with a prestigious end client based in Warwick. We are excited to offer a fantastic opportunity for a talentedAzure Solutions Architectto join a dynamic and agile development team on an initial 12-months contract, with the potential for extension. If you are interested and have the relevant skills and experience, please apply promptly to discuss further. Job Title:Solution Architect (Azure) Location:Hybrid (1-2 days/week) Contract Duration:12 months Rate:Inside IR35 - Open to Market rates We are looking for a talentedSolution Architect (Azure)to lead and support the design, development, and optimization of a cloud-based web application. This is an exciting opportunity to work on cutting-edge Azure solutions, driving innovation, scalability, and security across the project.
Our client, a leading global organisation, is partnering with a prestigious end client based in Warwick. We are excited to offer a fantastic opportunity for a talentedAzure Solutions Architectto join a dynamic and agile development team on an initial 12-months contract, with the potential for extension. If you are interested and have the relevant skills and experience, please apply promptly to discuss further. Job Title:Solution Architect (Azure) Location:Hybrid (1-2 days/week) Contract Duration:12 months Rate:Inside IR35 - Open to Market rates We are looking for a talentedSolution Architect (Azure)to lead and support the design, development, and optimization of a cloud-based web application. This is an exciting opportunity to work on cutting-edge Azure solutions, driving innovation, scalability, and security across the project.
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Power Platform Engineer

Damia Group Ltd
Milton Keynes, Buckinghamshire
£45000 - £57000 per annum
All applicants must hold an active SC clearance or be eligible to gain one. My client is a global leading defence contractor. They are on the hunt for a Platform Engineer with strong experience in Microsoft Power Platform. You will be part on the Central Government Team. * Microsoft Power Platform * Experience in a number of the following technologies: Java, Springboot, Jenkins, Typescript, React, PostGres, SQL Server, Kafka, ActiveMQ, ElasticSearch, AWS, Ansible, WSO2, REST, Docker, API Gateways, JavaScript, Mongo. * Central government experience is beneficial Benefits As well as a competitive pension scheme, they also offer employee share plan, an extensive range of flexible discounted health, wellbeing and lifestyle benefits including a green care scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive.
All applicants must hold an active SC clearance or be eligible to gain one. My client is a global leading defence contractor. They are on the hunt for a Platform Engineer with strong experience in Microsoft Power Platform. You will be part on the Central Government Team. * Microsoft Power Platform * Experience in a number of the following technologies: Java, Springboot, Jenkins, Typescript, React, PostGres, SQL Server, Kafka, ActiveMQ, ElasticSearch, AWS, Ansible, WSO2, REST, Docker, API Gateways, JavaScript, Mongo. * Central government experience is beneficial Benefits As well as a competitive pension scheme, they also offer employee share plan, an extensive range of flexible discounted health, wellbeing and lifestyle benefits including a green care scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive.
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Software Developer

Oscar Associates (UK) Limited
LE1, Leicester
£40000 - £50000 per annum
The Role A growing ERP software consultancy is looking for a skilled and motivated Software Developer to join their team. In this role, you'll be customising and integrating ERP systems, building new modules, and supporting client implementations with clean, scalable code. Working closely with project managers and clients, you'll help ensure successful project delivery while contributing to the evolution of a modern SaaS platform. You'll be part of a tight-knit and supportive team with a real opportunity to grow alongside the business. There will be collaboration within your development team and a ross the wider business to ensure the best software solutions are created and delivered. Requirements * Minimum 3 years of experience in Software Development * ERP and SaaS experience * C# .NET Core * SQL Server * Strong communication and client-facing skills Desirables
The Role A growing ERP software consultancy is looking for a skilled and motivated Software Developer to join their team. In this role, you'll be customising and integrating ERP systems, building new modules, and supporting client implementations with clean, scalable code. Working closely with project managers and clients, you'll help ensure successful project delivery while contributing to the evolution of a modern SaaS platform. You'll be part of a tight-knit and supportive team with a real opportunity to grow alongside the business. There will be collaboration within your development team and a ross the wider business to ensure the best software solutions are created and delivered. Requirements * Minimum 3 years of experience in Software Development * ERP and SaaS experience * C# .NET Core * SQL Server * Strong communication and client-facing skills Desirables
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FEATURED
Based in Milton Keynes (Buckinghamshire) and fully remote, the team are designing and developing the next generation containerised IT infrastructure. This Python Software Engineer opportunity is deeply technical, and we want someone with solid Python or TypeScript experience and a thirst to know more, who deeply cares about testing and test-driven development, and enjoys peer code review. Any exposure to Angular front-end tech is highly advantageous. Are you excited about Python, Jenkins, Dockers, Kubernetes, architecture, test driven development, API's and everything open source? Then I'd love to hear from you. Superb environment, office, tech stack and package. Please apply now! Remote work on offer however must be a UK tax resident.
Based in Milton Keynes (Buckinghamshire) and fully remote, the team are designing and developing the next generation containerised IT infrastructure. This Python Software Engineer opportunity is deeply technical, and we want someone with solid Python or TypeScript experience and a thirst to know more, who deeply cares about testing and test-driven development, and enjoys peer code review. Any exposure to Angular front-end tech is highly advantageous. Are you excited about Python, Jenkins, Dockers, Kubernetes, architecture, test driven development, API's and everything open source? Then I'd love to hear from you. Superb environment, office, tech stack and package. Please apply now! Remote work on offer however must be a UK tax resident.
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We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you. Role: Solution Architect- Java and AWS Location: Knutsford or Northampton Duration: End of December 2025 We are seeking a talented and motivated Solution Architect to join our client Cards NGCB platform team. You will be part of a dynamic team responsible for providing advanced technical support. You will be responsible for the delivery of the development, project leadership, quality, and timely delivery of the project. Manage scope of projects from inception to closure. Define, develop and manage implementation schedules and project budgets. Identify key business objectives and provide solution recommendations while performing business proves and management consulting analysis.
We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you. Role: Solution Architect- Java and AWS Location: Knutsford or Northampton Duration: End of December 2025 We are seeking a talented and motivated Solution Architect to join our client Cards NGCB platform team. You will be part of a dynamic team responsible for providing advanced technical support. You will be responsible for the delivery of the development, project leadership, quality, and timely delivery of the project. Manage scope of projects from inception to closure. Define, develop and manage implementation schedules and project budgets. Identify key business objectives and provide solution recommendations while performing business proves and management consulting analysis.
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Integration Developer

Erin Associates
Northampton, Northamptonshire
£70000 - £80000 per annum, Benefits excellent benefits
Salary to 80k plus excellent benefits - Hybrid role. Join this dynamic Integrations team as a Mulesoft Developer, driving end-to-end integration solutions using the MuleSoft Anypoint Platform. * Design, build, and deploy robust APIs and integrations * Work across systems using REST, JMS, SFTP, HTTP, DBs, and more * Implement data transformations with DataWeave, XSLT, and Java * Collaborate with stakeholders to define and deliver high-impact solutions * Ensure top-tier security, scalability, and performance * At least 2+ years hands-on MuleSoft experience (Mule 4.x, Anypoint Studio, CloudHub) * Strong Java and integration background * Expertise in REST, XML, JSON, SQL, and messaging protocols * Agile project experience and strong problem-solving skills * Experience with API testing tools (e.g., Postman) and CI/CD tools (Maven, Jenkins) Apply now!
Salary to 80k plus excellent benefits - Hybrid role. Join this dynamic Integrations team as a Mulesoft Developer, driving end-to-end integration solutions using the MuleSoft Anypoint Platform. * Design, build, and deploy robust APIs and integrations * Work across systems using REST, JMS, SFTP, HTTP, DBs, and more * Implement data transformations with DataWeave, XSLT, and Java * Collaborate with stakeholders to define and deliver high-impact solutions * Ensure top-tier security, scalability, and performance * At least 2+ years hands-on MuleSoft experience (Mule 4.x, Anypoint Studio, CloudHub) * Strong Java and integration background * Expertise in REST, XML, JSON, SQL, and messaging protocols * Agile project experience and strong problem-solving skills * Experience with API testing tools (e.g., Postman) and CI/CD tools (Maven, Jenkins) Apply now!
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FEATURED

Principal Software Engineer

Belcan Technical Recruiting (UK) Ltd
Elfield Park, mk5 8fr
Negotiable
Principal Embedded Software Engineer Milton Keynes Full time, permanent position Onsite 5 days per week Our client designs and develops innovative communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. They foster a dynamic, collaborative work environment that encourages learning and autonomy. If you're passionate, energetic, and forward-thinking, this role could be perfect for you. In this role, you will develop software for the client's products, ranging from Linux-based single-board computers to high-reliability microcontroller systems. Responsibilities span the entire development cycle, including designing, coding, testing, and supporting low- and high-level software. You'll aim to create hardware and software solutions that simplify integration for the client's customers.
Principal Embedded Software Engineer Milton Keynes Full time, permanent position Onsite 5 days per week Our client designs and develops innovative communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. They foster a dynamic, collaborative work environment that encourages learning and autonomy. If you're passionate, energetic, and forward-thinking, this role could be perfect for you. In this role, you will develop software for the client's products, ranging from Linux-based single-board computers to high-reliability microcontroller systems. Responsibilities span the entire development cycle, including designing, coding, testing, and supporting low- and high-level software. You'll aim to create hardware and software solutions that simplify integration for the client's customers.
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Backend Developer

VERTECH GROUP (UK) LTD
LE1, Leicester
From £65,000 to £72,000 per annum + Benefits
Location:London (moving to a hybrid model) Salary:Circa 65K 72K + Benefits This is a diverse, key role where youll be responsible for developing a variety of scalable backend systems to support high-traffic services * At least 5yrs backend development using Node.js * RESTful API development * Experience with Machine Learning tools (e.g. TensorFlow, PyTorch or similar) * Knowledge of AWS, Docker & Kubernetes for scalable deployments * Passion for building high-performance systems Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where youll be able to bring ideas and keep up-to-date with the latest technologies! Apply now for FULL details!
Location:London (moving to a hybrid model) Salary:Circa 65K 72K + Benefits This is a diverse, key role where youll be responsible for developing a variety of scalable backend systems to support high-traffic services * At least 5yrs backend development using Node.js * RESTful API development * Experience with Machine Learning tools (e.g. TensorFlow, PyTorch or similar) * Knowledge of AWS, Docker & Kubernetes for scalable deployments * Passion for building high-performance systems Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where youll be able to bring ideas and keep up-to-date with the latest technologies! Apply now for FULL details!
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FEATURED

MuleSoft Developer

Erin Associates
Northampton, Northamptonshire
£60000 - £68000 per annum, Benefits excellent benefits
Salary to 68k plus excellent benefits - Hybrid role. Join this dynamic Integrations team as a Mulesoft Developer, driving end-to-end integration solutions using the MuleSoft Anypoint Platform. * Design, build, and deploy robust APIs and integrations * Work across systems using REST, JMS, SFTP, HTTP, DBs, and more * Implement data transformations with DataWeave, XSLT, and Java * Collaborate with stakeholders to define and deliver high-impact solutions * Ensure top-tier security, scalability, and performance * At least 2+ years hands-on MuleSoft experience (Mule 4.x, Anypoint Studio, CloudHub) * Strong Java and integration background * Expertise in REST, XML, JSON, SQL, and messaging protocols * Agile project experience and strong problem-solving skills * Experience with API testing tools (e.g., Postman) and CI/CD tools (Maven, Jenkins) Apply now!
Salary to 68k plus excellent benefits - Hybrid role. Join this dynamic Integrations team as a Mulesoft Developer, driving end-to-end integration solutions using the MuleSoft Anypoint Platform. * Design, build, and deploy robust APIs and integrations * Work across systems using REST, JMS, SFTP, HTTP, DBs, and more * Implement data transformations with DataWeave, XSLT, and Java * Collaborate with stakeholders to define and deliver high-impact solutions * Ensure top-tier security, scalability, and performance * At least 2+ years hands-on MuleSoft experience (Mule 4.x, Anypoint Studio, CloudHub) * Strong Java and integration background * Expertise in REST, XML, JSON, SQL, and messaging protocols * Agile project experience and strong problem-solving skills * Experience with API testing tools (e.g., Postman) and CI/CD tools (Maven, Jenkins) Apply now!
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FEATURED

Solution Architect

Eteam Workforce Limited
NN1, Northampton
£358 per day
We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you. Job Title: Solution Architect- Open Banking/Payment Location: Northampton (2 days hybrid) Duration: End of December 2025 Key Accountabilities * Accountable for delivering effective solution designs within the Open Banking COE, taking the lead on the solution design from an API design and API Security perspective * Design end-to-end API solutions to meet business needs within the context of a broader solution implementation * Contributor to overall solution planning, providing input into the estimation process as well as highlighting technical risks, issues, and assumptions * Define and derive best practices in the API space, adopting industry best practices and highlighting areas of improvements
We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you. Job Title: Solution Architect- Open Banking/Payment Location: Northampton (2 days hybrid) Duration: End of December 2025 Key Accountabilities * Accountable for delivering effective solution designs within the Open Banking COE, taking the lead on the solution design from an API design and API Security perspective * Design end-to-end API solutions to meet business needs within the context of a broader solution implementation * Contributor to overall solution planning, providing input into the estimation process as well as highlighting technical risks, issues, and assumptions * Define and derive best practices in the API space, adopting industry best practices and highlighting areas of improvements
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Senior Data Developer

Bibby Financial Services
Adderbury, OX17 3NS
£60,000 – £70,000 per annum
Bibby Financial Services have an exciting opportunity available for a dynamic Senior Data Developer to join our team, working in any of our UK locations. You will join us on a full time, permanent basis and in return, you will receive a competitive salary of £60,000 – £70,000 per annum. We’ve supported small and medium-sized enterprises (SMEs) since 1982 and today we support more than 12,000 businesses worldwide. We are proud to help businesses, both big and small to grow and thrive in domestic and international markets. Why us? We’re in the business of relationships. We know real value lies in real people, and it takes a motivated mindset and can-do attitude to belong here. It can be fast-paced and full-on, but we can handle it. We’re a collective of “got your back”, we collaborate together, take ownership and deliver for our clients every time.
Bibby Financial Services have an exciting opportunity available for a dynamic Senior Data Developer to join our team, working in any of our UK locations. You will join us on a full time, permanent basis and in return, you will receive a competitive salary of £60,000 – £70,000 per annum. We’ve supported small and medium-sized enterprises (SMEs) since 1982 and today we support more than 12,000 businesses worldwide. We are proud to help businesses, both big and small to grow and thrive in domestic and international markets. Why us? We’re in the business of relationships. We know real value lies in real people, and it takes a motivated mindset and can-do attitude to belong here. It can be fast-paced and full-on, but we can handle it. We’re a collective of “got your back”, we collaborate together, take ownership and deliver for our clients every time.
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PREMIUMNEW

C# .NET DEVELOPER

Proactive Appointments Limited
Peterborough, Cambridgeshire
£50k - 65k per year + Brilliant Benefits
Our client is urgently looking for an experienced C# .Net Developer to join their team based in Peterborough on a permanent basis. Please note, the role is hybrid, with a minimum of 3 days per week on-site. You will be responsible for designing, developing, and deploying cloud-based applications on the Microsoft Azure platform using C#/.NET and related technologies to support the cloud-based suite of E-Commerce platforms, as a part of the wider Software Engineering team. You will be rewarded with an excellent salary, as well as a brilliant benefits package including annual leave, pension, life assurance, hybrid working, cycle to work scheme, training & development and many, many more perks! * Positive, coachable, can-do attitude * C# .Net * Microsoft Azure * API’s * Gateways * Microservices
Our client is urgently looking for an experienced C# .Net Developer to join their team based in Peterborough on a permanent basis. Please note, the role is hybrid, with a minimum of 3 days per week on-site. You will be responsible for designing, developing, and deploying cloud-based applications on the Microsoft Azure platform using C#/.NET and related technologies to support the cloud-based suite of E-Commerce platforms, as a part of the wider Software Engineering team. You will be rewarded with an excellent salary, as well as a brilliant benefits package including annual leave, pension, life assurance, hybrid working, cycle to work scheme, training & development and many, many more perks! * Positive, coachable, can-do attitude * C# .Net * Microsoft Azure * API’s * Gateways * Microservices
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NEW

SCADA Tester

Stackstudio Digital Ltd.
Heathcote, CV34 6DD
Up to £60,000 per annum
Job Title: SCADA Tester Location: Warwick, UK (Hybrid transitioning to fully on-site) Job Type: Permanent, Full-Time About the Role We are looking for a SCADA Tester to play a key role in validating SCADA systems for the Electricity Transmission sector. Based in the heart of Warwick, you'll be instrumental in designing, executing, and enhancing our testing strategies to keep our systems robust, secure, and effective. What You'll Do Develop comprehensive test plans using JIRA/XRAY to ensure comprehensive coverage of SCADA system requirements. Validate 3rd-party supplier testing to ensure their outputs and processes meet our rigorous client delivery standards. Work closely with Scrum teams, Product Owners, and SCADA SMEs to refine user stories, test requirements, and align on core objectives.
Job Title: SCADA Tester Location: Warwick, UK (Hybrid transitioning to fully on-site) Job Type: Permanent, Full-Time About the Role We are looking for a SCADA Tester to play a key role in validating SCADA systems for the Electricity Transmission sector. Based in the heart of Warwick, you'll be instrumental in designing, executing, and enhancing our testing strategies to keep our systems robust, secure, and effective. What You'll Do Develop comprehensive test plans using JIRA/XRAY to ensure comprehensive coverage of SCADA system requirements. Validate 3rd-party supplier testing to ensure their outputs and processes meet our rigorous client delivery standards. Work closely with Scrum teams, Product Owners, and SCADA SMEs to refine user stories, test requirements, and align on core objectives.
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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 API jobs are there in Northamptonshire?
There are 42 API jobs within 20 miles of Northamptonshire available on Jobsite right now.
What other similar jobs are there to API jobs in Northamptonshire?
As well as API jobs in Northamptonshire, you can find IT, Software Development, Architecture, amongst many others.
How many temporary and part-time API jobs are available in Northamptonshire?
There are 6 temporary API jobs and 2 part-time API jobs available in Northamptonshire at the moment.