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        161 API jobs in Hertingfordbury + 20 miles

        Senior Data Scientist - 12 Month FTC

        Vitality Corporate Services Limited
        Charing Cross, Central London (WC2), WC2R
        £Competitive + Bonus + Benefits
        Team Data Science Working Pattern - Hybrid 2days per week in the Vitality London Office. Full time, 37.5 hours per week. We are happy to discuss flexible working! * Expert AI/ML Skills Strong in both traditional ML and modern LLM/RAG/agentic workflows * Production Deployment & MLOps Comfortable shipping scalable AI systems using APIs, microservices, Docker/Kubernetes, and cloud (GCP ideal) * Business Partnering Able to translate business needs into clear technical requirements and work across teams At Vitality, data scientists and AI Engineers develop and deploy innovative AI applications spanning the entire value chain of our business, including marketing, sales & retention, underwriting, claims, health and wellness management, customer service, and fraud.
        Team Data Science Working Pattern - Hybrid 2days per week in the Vitality London Office. Full time, 37.5 hours per week. We are happy to discuss flexible working! * Expert AI/ML Skills Strong in both traditional ML and modern LLM/RAG/agentic workflows * Production Deployment & MLOps Comfortable shipping scalable AI systems using APIs, microservices, Docker/Kubernetes, and cloud (GCP ideal) * Business Partnering Able to translate business needs into clear technical requirements and work across teams At Vitality, data scientists and AI Engineers develop and deploy innovative AI applications spanning the entire value chain of our business, including marketing, sales & retention, underwriting, claims, health and wellness management, customer service, and fraud.
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        PREMIUM
        Technology IT&S Group What you will do In this role, you will lead the end-to-end architecture of our Endur (Openlink) energy trading platform, partnering closely with traders, product owners, market experts, and engineering teams to deliver solutions that are technically robust and aligned with business ambition. You will help modernise our trading technology by applying contemporary design patterns, cloud-native engineering principles, and architecture governance that supports performance, scalability, resilience, and future growth. You will provide architectural leadership across internal teams and vendor partners, ensuring alignment through the full delivery lifecycle. You will also play a central part in shaping trading capabilities across front-, middle-, and back-office workflowsensuring that every component, from deal capture to optimisation,
        Technology IT&S Group What you will do In this role, you will lead the end-to-end architecture of our Endur (Openlink) energy trading platform, partnering closely with traders, product owners, market experts, and engineering teams to deliver solutions that are technically robust and aligned with business ambition. You will help modernise our trading technology by applying contemporary design patterns, cloud-native engineering principles, and architecture governance that supports performance, scalability, resilience, and future growth. You will provide architectural leadership across internal teams and vendor partners, ensuring alignment through the full delivery lifecycle. You will also play a central part in shaping trading capabilities across front-, middle-, and back-office workflowsensuring that every component, from deal capture to optimisation,
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        Forvis Mazars is a leading global professional services network providing audit & assurance, tax, and advisory services. Forvis Mazars in the UK spans 14 offices across the nation and has over 3,400 professionals, with 190 partners. We have a clear purpose and a shared commitment to shape a better future. You'll join a collaborative and inclusive team where you're supported to grow your skills, explore new opportunities, and contribute from day one. You'll work with a diverse client base, develop meaningful connections, and gain experience that extends beyond your local team. Together, we grow, belong and impact.
        Forvis Mazars is a leading global professional services network providing audit & assurance, tax, and advisory services. Forvis Mazars in the UK spans 14 offices across the nation and has over 3,400 professionals, with 190 partners. We have a clear purpose and a shared commitment to shape a better future. You'll join a collaborative and inclusive team where you're supported to grow your skills, explore new opportunities, and contribute from day one. You'll work with a diverse client base, develop meaningful connections, and gain experience that extends beyond your local team. Together, we grow, belong and impact.
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        Umbraco Developer

        Sanderson Recruitment
        City of London (EC1), EC1
        £60000 - £70000 per annum
        Role: Umbraco Developer Location: Canary Wharf Salary: £70k Flexible working: 1-2 days a week in the office My client is looking for a Umbraco developer to join their team, this is an exciting role where you will be joining a fast-growing organisation. Relevant skills/Experience * Solid understanding and experience working with Umbraco * Strong understanding of .NET and REACT HEADLESS web architecture * Solid experience managing digital platforms * API integration's * CMS upgrades * Comfortable liaising with Senior Stakeholders If this role sounds of interest and you would like to know more do not hesitate to contact me on Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives.
        Role: Umbraco Developer Location: Canary Wharf Salary: £70k Flexible working: 1-2 days a week in the office My client is looking for a Umbraco developer to join their team, this is an exciting role where you will be joining a fast-growing organisation. Relevant skills/Experience * Solid understanding and experience working with Umbraco * Strong understanding of .NET and REACT HEADLESS web architecture * Solid experience managing digital platforms * API integration's * CMS upgrades * Comfortable liaising with Senior Stakeholders If this role sounds of interest and you would like to know more do not hesitate to contact me on Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives.
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        FEATURED

        Business Analyst

        REC SOLUTIONS LIMITED
        The City, City of London (EC4), EC4N
        From £80,000 to £100,000 per annum Competitive base salary plus bonus
        An excellent opportunity has arisen with a well-established, innovative, growing exchange working with some cutting-edge technologies. My clients culture is one of trust, openness, and excellence. They work in a collaborative style and take collective responsibility for successes and failures. They value high personal integrity, innovative thinking, efficient, reliable performance and spark. Within this role you will join a supportive team, where they aim to recruit the best people from all walks of life and diverse business backgrounds. If these sentiments align with your thinking, then my client could be the ideal place for you to develop your career. Benefits (not exhaustive list) - Business Analyst (Trading, FinTech, Financial Services, Equity, Equities, Exchange) * Competitive salary * 25 days annual leave - not including bank holidays
        An excellent opportunity has arisen with a well-established, innovative, growing exchange working with some cutting-edge technologies. My clients culture is one of trust, openness, and excellence. They work in a collaborative style and take collective responsibility for successes and failures. They value high personal integrity, innovative thinking, efficient, reliable performance and spark. Within this role you will join a supportive team, where they aim to recruit the best people from all walks of life and diverse business backgrounds. If these sentiments align with your thinking, then my client could be the ideal place for you to develop your career. Benefits (not exhaustive list) - Business Analyst (Trading, FinTech, Financial Services, Equity, Equities, Exchange) * Competitive salary * 25 days annual leave - not including bank holidays
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        We are looking for aMachine Learning Ops Engineerto help operationalise machine learning across Affinity Water on a 24 month FTC. Youll work with data scientists, engineers, architects, and stakeholders to deploy, monitor, and maintain ML models in robust, scalable, and secure production environments, turning advanced analytics into sustained business value. What Youll Do * Build, maintain, and optimise automated ML deployment pipelines with CI/CD, containerisation, and orchestration. * Monitor model performance, data drift, and system health to ensure reliability and availability. * Support ML platforms and infrastructure on-premise or in the cloud (AWS, SageMaker), ensuring scalability and security. * Collaborate with data scientists to productionise models and embed ML Ops best practices across the organisation.
        We are looking for aMachine Learning Ops Engineerto help operationalise machine learning across Affinity Water on a 24 month FTC. Youll work with data scientists, engineers, architects, and stakeholders to deploy, monitor, and maintain ML models in robust, scalable, and secure production environments, turning advanced analytics into sustained business value. What Youll Do * Build, maintain, and optimise automated ML deployment pipelines with CI/CD, containerisation, and orchestration. * Monitor model performance, data drift, and system health to ensure reliability and availability. * Support ML platforms and infrastructure on-premise or in the cloud (AWS, SageMaker), ensuring scalability and security. * Collaborate with data scientists to productionise models and embed ML Ops best practices across the organisation.
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        FEATURED

        Solutions Architect

        TEAM
        City of London, London, EC2M 7PY
        £80,000 – £107,000 per annum
        This Solutions Architect role sits right at the centre of large-scale digital transformation programmes, where your decisions directly shape how complex systems are designed, built and delivered. Its a position where technical depth meets real business impact and where your input wont just be heard, it will drive outcomes. Whats in it for you * £80,000 £107,000 base salary with performance-related bonus * Travel allowance and share options as part of a strong overall package * Private health insurance and pension scheme * Flexible hybrid working with a London base * Funded training and certifications across AWS, Azure and GCP * Exposure to high-impact, enterprise-scale transformation programmes Your responsibilities as Solutions Architect * Design and deliver end-to-end solution architectures across complex programmes
        This Solutions Architect role sits right at the centre of large-scale digital transformation programmes, where your decisions directly shape how complex systems are designed, built and delivered. Its a position where technical depth meets real business impact and where your input wont just be heard, it will drive outcomes. Whats in it for you * £80,000 £107,000 base salary with performance-related bonus * Travel allowance and share options as part of a strong overall package * Private health insurance and pension scheme * Flexible hybrid working with a London base * Funded training and certifications across AWS, Azure and GCP * Exposure to high-impact, enterprise-scale transformation programmes Your responsibilities as Solutions Architect * Design and deliver end-to-end solution architectures across complex programmes
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        FEATURED

        AI Engineer, E2E Product Delivery, Finance

        Richard Wheeler Associates
        Central London (W1)
        From £160,000 to £175,000 per annum + performance bonus etc
        Senior AI Engineer, Product - Finance. London - hybrid (2-3 days in office) £160-175k, plus performance bonus A leading growth equity firm investing in enterprise technology businesses across the UK and Europe is hiring a Senior Applied AI Engineer - an elite, hands-on individual contributor who will play a foundational role in shaping how AI is used across the investment lifecycle. As the sole AI Engineer, you will have responsibility for E2E delivery (yes, including all development + implementation), and the chance to build from a blank slate, shaping the firms AI capability, including sourcing, research, diligence, and workflows. There are no plans for the AI Engineer to build a team.
        Senior AI Engineer, Product - Finance. London - hybrid (2-3 days in office) £160-175k, plus performance bonus A leading growth equity firm investing in enterprise technology businesses across the UK and Europe is hiring a Senior Applied AI Engineer - an elite, hands-on individual contributor who will play a foundational role in shaping how AI is used across the investment lifecycle. As the sole AI Engineer, you will have responsibility for E2E delivery (yes, including all development + implementation), and the chance to build from a blank slate, shaping the firms AI capability, including sourcing, research, diligence, and workflows. There are no plans for the AI Engineer to build a team.
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        Are you a technical visionary ready to shape the future of global commerce? We are partnering with a world-leading family of iconic activewear and footwear brands to find a Digital Commerce Architect. This is a pivotal role owning the architectural evolution of a Shopify-led ecosystem across B2B and D2C. You will act as the technical authority, managing a diverse digital backlog and governing a multi-vendor environment to deliver scalable, secure, and future-ready solutions. The Requirements * Proven experience as a Digital or Commerce Architect in B2B/D2C. * Deep expertise in Shopify architecture and the supporting app estate. * Strong understanding of MACH, headless, and composable commerce. * Expertise in managing third-party integrators and APIs (SAP, PIM, CRM). * Leadership skills to mentor engineers and influence senior stakeholders. The Benefits
        Are you a technical visionary ready to shape the future of global commerce? We are partnering with a world-leading family of iconic activewear and footwear brands to find a Digital Commerce Architect. This is a pivotal role owning the architectural evolution of a Shopify-led ecosystem across B2B and D2C. You will act as the technical authority, managing a diverse digital backlog and governing a multi-vendor environment to deliver scalable, secure, and future-ready solutions. The Requirements * Proven experience as a Digital or Commerce Architect in B2B/D2C. * Deep expertise in Shopify architecture and the supporting app estate. * Strong understanding of MACH, headless, and composable commerce. * Expertise in managing third-party integrators and APIs (SAP, PIM, CRM). * Leadership skills to mentor engineers and influence senior stakeholders. The Benefits
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        Full Stack Developer

        167 Solutions Ltd
        Central London (W1)
        From £75,000 to £100,000 per annum
        Forward Deployment Engineer UK (Hybrid) Salary: £70,000 £100,000 + Benefits | Permanent | Hiring 10 Engineers We are hiring Forward Deployment Engineers to deliver and deploy cutting-edge technology solutions for our clients. You will work directly with customers, implement systems, troubleshoot issues, and ensure solutions work in real-world environments. * Deploy and configure software solutions in client environments * Integrate systems across cloud, APIs, and data pipelines * Troubleshoot and resolve technical issues on-site or remotely * Collaborate with product and engineering teams to improve deployments * Support rollout projects and large-scale implementations * Strong software engineering skills (Python, JavaScript, or similar) * Experience with cloud platforms (AWS, Azure, GCP) * Knowledge of APIs, system integration, and microservices
        Forward Deployment Engineer UK (Hybrid) Salary: £70,000 £100,000 + Benefits | Permanent | Hiring 10 Engineers We are hiring Forward Deployment Engineers to deliver and deploy cutting-edge technology solutions for our clients. You will work directly with customers, implement systems, troubleshoot issues, and ensure solutions work in real-world environments. * Deploy and configure software solutions in client environments * Integrate systems across cloud, APIs, and data pipelines * Troubleshoot and resolve technical issues on-site or remotely * Collaborate with product and engineering teams to improve deployments * Support rollout projects and large-scale implementations * Strong software engineering skills (Python, JavaScript, or similar) * Experience with cloud platforms (AWS, Azure, GCP) * Knowledge of APIs, system integration, and microservices
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        Senior Backend Engineer

        Fruition Group
        City of London (EC1), EC1
        £75000 - £95000 per annum
        London (Occasional Travel required every 4 -6 weeks) Salary: Up to £95,000 An established, global technology business within the hospitality-tech industry is seeking a talented Backend Software Engineer to help build and scale cutting-edge digital solutions. This is a chance to work on greenfield projects - building new, scalable products that help venues create seamless, data-driven guest experiences from the ground up. What will I be doing? * Design, develop, test, and maintain high-performance backend systems supporting real-time hospitality operations. * Take ownership of key features throughout the software development lifecycle - from technical design through to deployment and ongoing optimisation. * Collaborate with cross-functional teams including product, design, and data science to deliver innovative, customer-focused solutions.
        London (Occasional Travel required every 4 -6 weeks) Salary: Up to £95,000 An established, global technology business within the hospitality-tech industry is seeking a talented Backend Software Engineer to help build and scale cutting-edge digital solutions. This is a chance to work on greenfield projects - building new, scalable products that help venues create seamless, data-driven guest experiences from the ground up. What will I be doing? * Design, develop, test, and maintain high-performance backend systems supporting real-time hospitality operations. * Take ownership of key features throughout the software development lifecycle - from technical design through to deployment and ongoing optimisation. * Collaborate with cross-functional teams including product, design, and data science to deliver innovative, customer-focused solutions.
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        Software Engineer

        Fruition Group
        City of London (EC1), EC1
        £70000 - £85000 per annum
        Backend Software Engineer London (Occasional travel) Salary: Up to £85k + Benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects from the ground up - architecting scalable, data-driven systems that empower venues to deliver seamless guest experiences and drive long-term innovation. What will I be doing? * Lead the technical vision and architectural direction across complex backend systems, ensuring scalability, reliability, and performance. * Partner closely with engineering leadership to define best practices, coding standards, and long-term technical strategy.
        Backend Software Engineer London (Occasional travel) Salary: Up to £85k + Benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects from the ground up - architecting scalable, data-driven systems that empower venues to deliver seamless guest experiences and drive long-term innovation. What will I be doing? * Lead the technical vision and architectural direction across complex backend systems, ensuring scalability, reliability, and performance. * Partner closely with engineering leadership to define best practices, coding standards, and long-term technical strategy.
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        Pre-Sales Consultant

        Alexander Edward James Consulting Limited
        Letchworth Garden City (SG6)
        £40,000 per annum
        Overview A consultative pre-sales role responsible for leading the technical and functional aspects of the sales cycle for a key workforce and workplace management software solution. You will work closely with sales teams to understand customer needs, deliver tailored demonstrations, and position solutions that drive measurable business value. Key Responsibilities Lead discovery sessions to understand customer requirements. Design and deliver tailored, value-driven product demonstrations. Act as the solution expert throughout the pre-sales process. Support sales teams in competitive positioning and deal progression. Contribute to proposals, RFPs and RFIs. Map business needs to system capabilities and recommend solutions. Maintain knowledge of integrations, APIs, and HR/payroll system connectivity.
        Overview A consultative pre-sales role responsible for leading the technical and functional aspects of the sales cycle for a key workforce and workplace management software solution. You will work closely with sales teams to understand customer needs, deliver tailored demonstrations, and position solutions that drive measurable business value. Key Responsibilities Lead discovery sessions to understand customer requirements. Design and deliver tailored, value-driven product demonstrations. Act as the solution expert throughout the pre-sales process. Support sales teams in competitive positioning and deal progression. Contribute to proposals, RFPs and RFIs. Map business needs to system capabilities and recommend solutions. Maintain knowledge of integrations, APIs, and HR/payroll system connectivity.
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        GIS Technician

        Morson Edge
        Euston, North West London (NW1), NW1 3SA
        Market related
        6 Month Contract initially - Inside IR35 Based London Euston - Hybrid Working Arrangements in place. The candidate would be responsible for supporting the 'Structures and Earthworks' Delivery Units with their GIS requests, alongside developing cutting edge GIS solutions for the wider project. This role would be ideal for a professional with GIS skills in the ESRI suite of software, who also has a working knowledge of using ETL tools such as Safe FME for managing efficient workflows and is looking to produce creative GIS solutions. -Produce creative and innovative GIS solutions using the latest set of tools available within the ESRI suite, and self-developed custom solutions to specific requests -Integration of 3D BIM models into GIS - data processing and visualisation -Develop and maintain bespoke GIS interfaces and data to provide user access to complex datasets
        6 Month Contract initially - Inside IR35 Based London Euston - Hybrid Working Arrangements in place. The candidate would be responsible for supporting the 'Structures and Earthworks' Delivery Units with their GIS requests, alongside developing cutting edge GIS solutions for the wider project. This role would be ideal for a professional with GIS skills in the ESRI suite of software, who also has a working knowledge of using ETL tools such as Safe FME for managing efficient workflows and is looking to produce creative GIS solutions. -Produce creative and innovative GIS solutions using the latest set of tools available within the ESRI suite, and self-developed custom solutions to specific requests -Integration of 3D BIM models into GIS - data processing and visualisation -Develop and maintain bespoke GIS interfaces and data to provide user access to complex datasets
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        PREMIUM

        IFS Services Architect Outside IR35

        Cathcart Technology
        Cassiobury, Watford (WD17), WD17 1ET
        £500 - £750 per day
        6 to 12 month contract engagement Outside IR35 UK Remote Lead the end-to-end design and configuration of IFS Service Management (and related service execution capabilities), ensuring scalable processes, clean integration patterns, and a blueprint fit for multi-country deployment. * Strong expertise with IFS (preferably IFS Cloud) in Service/Field Service/Asset Service domains. * Strong understanding of service execution and maintenance contexts (e.g., renewables O&M, utilities, industrial services). * Proven architecture ownership across multi-site / multi-country rollouts. * IFS Service Management configuration expertise (service contracts, work orders, planning/scheduling, mobile). * Integration design thinking (APIs, middleware patterns, event flows). * Workshop facilitation, design authority behaviours, structured documentation.
        6 to 12 month contract engagement Outside IR35 UK Remote Lead the end-to-end design and configuration of IFS Service Management (and related service execution capabilities), ensuring scalable processes, clean integration patterns, and a blueprint fit for multi-country deployment. * Strong expertise with IFS (preferably IFS Cloud) in Service/Field Service/Asset Service domains. * Strong understanding of service execution and maintenance contexts (e.g., renewables O&M, utilities, industrial services). * Proven architecture ownership across multi-site / multi-country rollouts. * IFS Service Management configuration expertise (service contracts, work orders, planning/scheduling, mobile). * Integration design thinking (APIs, middleware patterns, event flows). * Workshop facilitation, design authority behaviours, structured documentation.
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        Junior Integration Analyst

        Altro
        Letchworth Garden City (SG6), SG6 1NW
        Competitive salary plus additional benefits,
        Are you curious about how systems talk to each other? Do you enjoy solving problems, working with data, and learning new technical skills? If so, this could be the perfect next step in your IT career. We’re looking for a Junior Integration Specialist to join our IT Department and support the delivery of our Global Integration Roadmap. You’ll work alongside experienced Integration Specialists and Analysts, helping to build, test, and maintain the connections that keep our systems running smoothly, both internally and with our external partners. This is a fantastic opportunity to develop hands-on experience in integrations, data flows, APIs, and EDI, while working with tools such as SSIS, SQL, and ZappySys. This permanent, full time, hybrid working ( 3 days a week in the office) is based at our Letchworth Garden City Head office.
        Are you curious about how systems talk to each other? Do you enjoy solving problems, working with data, and learning new technical skills? If so, this could be the perfect next step in your IT career. We’re looking for a Junior Integration Specialist to join our IT Department and support the delivery of our Global Integration Roadmap. You’ll work alongside experienced Integration Specialists and Analysts, helping to build, test, and maintain the connections that keep our systems running smoothly, both internally and with our external partners. This is a fantastic opportunity to develop hands-on experience in integrations, data flows, APIs, and EDI, while working with tools such as SSIS, SQL, and ZappySys. This permanent, full time, hybrid working ( 3 days a week in the office) is based at our Letchworth Garden City Head office.
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        PREMIUM

        Power Platform Developer

        Rec3 Global Ltd
        City of London, London, EC2M
        From £50,000 to £65,000 per annum
        Copilot Studio / Power Platform Developer £50K - £65K Base Hybrid - Once a week in Liverpool Street Were working with a fast-growing AI transformation consultancy that helps organisations move beyond experimentation and into real-world impact with AI. They partner with clients across healthcare, transport, infrastructure, private equity and energy, building practical AI solutions that improve how work gets done. This is a great opportunity for a Power Platform Developer who wants to move deeper into Copilot Studio, agent-based workflows and AI-enabled business applications. The role Youll join a growing AI delivery team and help design and build production-ready solutions using Copilot Studio and the Microsoft Power Platform.
        Copilot Studio / Power Platform Developer £50K - £65K Base Hybrid - Once a week in Liverpool Street Were working with a fast-growing AI transformation consultancy that helps organisations move beyond experimentation and into real-world impact with AI. They partner with clients across healthcare, transport, infrastructure, private equity and energy, building practical AI solutions that improve how work gets done. This is a great opportunity for a Power Platform Developer who wants to move deeper into Copilot Studio, agent-based workflows and AI-enabled business applications. The role Youll join a growing AI delivery team and help design and build production-ready solutions using Copilot Studio and the Microsoft Power Platform.
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        London - Hybrid (2/3 days a week in the office) 3 months - outside IR35 We are looking for a skilled Integration Engineer to join a growing technology team within this Financial Services organisation. The role is ideal for someone with experience in Financial Services, particularly Life & Pensions, who wants to design and deliver robust integration solutions across complex systems. You'll work with .NET, Azure Integration Services, and modern microservices architectures to ensure seamless data flow and scalable operations. * Lead the design, development, and support of integration solutions connecting applications, services, and data across the business. * Work with .NET (C#), Azure Integration Services (Logic Apps, API Management, Service Bus, Event Grid), and containerised microservices (Docker, AKS).
        London - Hybrid (2/3 days a week in the office) 3 months - outside IR35 We are looking for a skilled Integration Engineer to join a growing technology team within this Financial Services organisation. The role is ideal for someone with experience in Financial Services, particularly Life & Pensions, who wants to design and deliver robust integration solutions across complex systems. You'll work with .NET, Azure Integration Services, and modern microservices architectures to ensure seamless data flow and scalable operations. * Lead the design, development, and support of integration solutions connecting applications, services, and data across the business. * Work with .NET (C#), Azure Integration Services (Logic Apps, API Management, Service Bus, Event Grid), and containerised microservices (Docker, AKS).
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        T24 Developer - Transact

        Hireful
        Central London, London
        66K Basic + 12.5% Pension + Bonus (typical 25%, performance based) + 2
        Fancy working for a long established international bank with amazing benefits? Work right in the heart of the west end with lots to see and do? Work with the latest verions of T24? If so we could have the job for you... Role T24 Developer AKA T24 Technical Consultant, T24 Technical specialist, T24 Systems Analyst, Temenos Transact Developer Salary 66K + 12.5% Pension + Bonus (25%, performance based) + 28 Days leave, rising + Private Health / Dental Location Central London / West End 4 Days office The role Woking in a small team supporting the T24 / Transact product you will be responsible for enhancing T24 system functionality to meet the bank’s needs, including updates, patch installations, and integration with other IT systems. Lead software development from design to delivery, including coding, code review, and unit testing.
        Fancy working for a long established international bank with amazing benefits? Work right in the heart of the west end with lots to see and do? Work with the latest verions of T24? If so we could have the job for you... Role T24 Developer AKA T24 Technical Consultant, T24 Technical specialist, T24 Systems Analyst, Temenos Transact Developer Salary 66K + 12.5% Pension + Bonus (25%, performance based) + 28 Days leave, rising + Private Health / Dental Location Central London / West End 4 Days office The role Woking in a small team supporting the T24 / Transact product you will be responsible for enhancing T24 system functionality to meet the bank’s needs, including updates, patch installations, and integration with other IT systems. Lead software development from design to delivery, including coding, code review, and unit testing.
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        FEATURED

        Senior C#.Net Software Engineer

        Data Careers
        Southwark, South East London (SE1), SE1
        £80000 - £90000 per annum
        Permanent Location: UK / Hybrid Salary: £80,000 - £90,000 (+ benefits) Skills: C.Net, Azure, AI Coding Tools, SC Clearance We are looking to recruit an SC Cleared Senior C#.Net Software Engineer for a leading IT consultancy to join a growing engineering team delivering modern, scalable cloud-based solutions. This is a hands-on role with real influence over technical direction, engineering standards, and ways of working. You'll play a key role in designing and building high-quality applications, while also helping to drive adoption of modern development practices - including the use of AI-powered coding tools across the team. This is primarily a remote role with infrequent travel for team and customer meetings. The Role * Design, build, and maintain applications using .NET (Core/Framework) and C# * Develop and integrate RESTful APIs in a secure, scalable environment
        Permanent Location: UK / Hybrid Salary: £80,000 - £90,000 (+ benefits) Skills: C.Net, Azure, AI Coding Tools, SC Clearance We are looking to recruit an SC Cleared Senior C#.Net Software Engineer for a leading IT consultancy to join a growing engineering team delivering modern, scalable cloud-based solutions. This is a hands-on role with real influence over technical direction, engineering standards, and ways of working. You'll play a key role in designing and building high-quality applications, while also helping to drive adoption of modern development practices - including the use of AI-powered coding tools across the team. This is primarily a remote role with infrequent travel for team and customer meetings. The Role * Design, build, and maintain applications using .NET (Core/Framework) and C# * Develop and integrate RESTful APIs in a secure, scalable environment
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        TJX Companies At TJX Companies, every day brings new opportunities for growth, exploration, and achievement. You'll be part of our vibrant team that embraces diversity, fosters collaboration, and prioritizes your development. Whether you're working in our four global Home Offices, Distribution Centers or Retail Stores-TJ Maxx, Marshalls, Homegoods, Homesense, Sierra, Winners, and TK Maxx, you'll find abundant opportunities to learn, thrive, and make an impact. Come join our TJX family-a Fortune 100 company and the world's leading off-price retailer. Wh o we are The Enterprise Architecture team at TJX drives technology strategy , innovation, and governance across multiple technical domains to ensure all technology decisions align with business goals and enterprise standards.
        TJX Companies At TJX Companies, every day brings new opportunities for growth, exploration, and achievement. You'll be part of our vibrant team that embraces diversity, fosters collaboration, and prioritizes your development. Whether you're working in our four global Home Offices, Distribution Centers or Retail Stores-TJ Maxx, Marshalls, Homegoods, Homesense, Sierra, Winners, and TK Maxx, you'll find abundant opportunities to learn, thrive, and make an impact. Come join our TJX family-a Fortune 100 company and the world's leading off-price retailer. Wh o we are The Enterprise Architecture team at TJX drives technology strategy , innovation, and governance across multiple technical domains to ensure all technology decisions align with business goals and enterprise standards.
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        Were looking for a hands-on Python Developer to join a high-performing team delivering modern applications and migrating legacy systems into scalable, web-based solutions. This is a fast-paced, delivery-focused role where youll work alongside experienced engineers on real-world, high-impact projects across multiple customer environments. * Building and maintaining Python-based back-end services (APIs, background tasks) * Developing web applications (Flask, FastAPI, or Django) * Supporting legacy system modernisation & data migrations * Working with SQL databases (PostgreSQL/MySQL) * Writing clean, testable code and contributing to CI/CD pipelines * Collaborating in a DevOps-driven, containerised (Docker) environment * Strong Python development experience * Experience with REST APIs & web frameworks (FastAPI, Flask or Django)
        Were looking for a hands-on Python Developer to join a high-performing team delivering modern applications and migrating legacy systems into scalable, web-based solutions. This is a fast-paced, delivery-focused role where youll work alongside experienced engineers on real-world, high-impact projects across multiple customer environments. * Building and maintaining Python-based back-end services (APIs, background tasks) * Developing web applications (Flask, FastAPI, or Django) * Supporting legacy system modernisation & data migrations * Working with SQL databases (PostgreSQL/MySQL) * Writing clean, testable code and contributing to CI/CD pipelines * Collaborating in a DevOps-driven, containerised (Docker) environment * Strong Python development experience * Experience with REST APIs & web frameworks (FastAPI, Flask or Django)
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        Senior Integration Engineer

        DGH Recruitment
        The City, City of London (EC2), EC2M 7PP
        £80000 - £90000 per annum
        DGH Recruitment are currently recruiting on behalf of a leading client in the professional services industry who require a Senior Integration Engineer to join the firm in London. You will be responsible for designing, building, and supporting scalable integrations using Workato. Please note: This role will be largely remote with occasional ad-hoc visits to the London office when required. The hours for this role are 11am-7pm to align with the US team. * Design, build, test, and maintain integrations using Workato. * Leverage advanced Workato capabilities, including Recipe design and optimization, Custom connectors and SDKs, On-premise agents, Error handling, retries, and monitoring best practices. * Ensure integrations are secure, scalable, resilient, and aligned with architectural standards.
        DGH Recruitment are currently recruiting on behalf of a leading client in the professional services industry who require a Senior Integration Engineer to join the firm in London. You will be responsible for designing, building, and supporting scalable integrations using Workato. Please note: This role will be largely remote with occasional ad-hoc visits to the London office when required. The hours for this role are 11am-7pm to align with the US team. * Design, build, test, and maintain integrations using Workato. * Leverage advanced Workato capabilities, including Recipe design and optimization, Custom connectors and SDKs, On-premise agents, Error handling, retries, and monitoring best practices. * Ensure integrations are secure, scalable, resilient, and aligned with architectural standards.
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        .NET Developer

        DGH Recruitment
        East London (E1)
        £55000 - £60000 per annum
        .NET Software Engineer - 12 month FTC An opportunity to join a major transformation programme, building modern, scalable solutions and contributing to a data-driven technology landscape. Role Overview Working within an agile engineering squad, you will develop new features, build integrations, and support cloud-based platforms using the latest Microsoft technologies. The role includes feature development, system integrations, and contributing to CI/CD, monitoring, and security improvements. Key Responsibilities Design, develop and maintain reliable .NET solutions (primarily C#). Build features for both internal and external users. Develop integrations across internal systems, third-party tools, and Azure services. Create and maintain CI/CD pipelines (Azure DevOps). Participate in agile ceremonies and collaborate in code reviews.
        .NET Software Engineer - 12 month FTC An opportunity to join a major transformation programme, building modern, scalable solutions and contributing to a data-driven technology landscape. Role Overview Working within an agile engineering squad, you will develop new features, build integrations, and support cloud-based platforms using the latest Microsoft technologies. The role includes feature development, system integrations, and contributing to CI/CD, monitoring, and security improvements. Key Responsibilities Design, develop and maintain reliable .NET solutions (primarily C#). Build features for both internal and external users. Develop integrations across internal systems, third-party tools, and Azure services. Create and maintain CI/CD pipelines (Azure DevOps). Participate in agile ceremonies and collaborate in code reviews.
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        Sharepoint Developer & Administrator

        DGH Recruitment
        City of London (EC1)
        £85000 - £93000 per annum + Benefits
        Hybrid working: 3 days per week required in the office. DGH Recruitment are currently recruiting on behalf of a global law firm who are looking for a Sharepoint Developer & Administrator to join the team on a permanent basis in their London office as they look to grow their IT function within the EMEA region. They are seeking a highly skilled Senior SharePoint Developer & Administrator to design, develop, administer, and modernize their SharePoint environments across SharePoint Subscription Edition (SE) and SharePoint Online. This role will combine hands-on custom development with enterprise platform administration, including system maintenance, updates, patching, governance, and intranet design. Responsibilities; - Sharepoint development and modernisation - Sharepoint administration and operations - Sharepoint on prem integration - Technical documentation
        Hybrid working: 3 days per week required in the office. DGH Recruitment are currently recruiting on behalf of a global law firm who are looking for a Sharepoint Developer & Administrator to join the team on a permanent basis in their London office as they look to grow their IT function within the EMEA region. They are seeking a highly skilled Senior SharePoint Developer & Administrator to design, develop, administer, and modernize their SharePoint environments across SharePoint Subscription Edition (SE) and SharePoint Online. This role will combine hands-on custom development with enterprise platform administration, including system maintenance, updates, patching, governance, and intranet design. Responsibilities; - Sharepoint development and modernisation - Sharepoint administration and operations - Sharepoint on prem integration - Technical documentation
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        Frequently Asked Questions

        How many API jobs are there in Hertingfordbury?
        There are 161 API jobs within 20 miles of Hertingfordbury available on Jobsite right now.

        Where in Hertingfordbury are these jobs?
        You can find jobs in Southwark, The City, City (EC2), Moorgate.

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

        How many temporary and part-time API jobs are available in Hertingfordbury?
        There are 7 temporary API jobs and 17 part-time API jobs available in Hertingfordbury at the moment.