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        4 Contract API jobs in Billericay + 20 miles

        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 JavaScript Developer Vue 3

        Client Server
        Arundel Heights, Billericay (CM12), CM12 0EQ
        £65000 - £75000 per annum
        Senior JavaScript Developer / front End Engineer (Vue 3) Billericay / WFH to £75k Are you a JavaScript web technologist seeking an opportunity to work with a modern tech stack on Greenfield projects? You could be progressing your career in a senior, hands-on role at an eCommerce payments solutions provider that has experienced great success in the last year and is growing as a result. * Salary (to £75k) * Bonus * 25 days holiday * Pension * Life assurance * Private medical care * Pizza days and other social events * Hybrid working with flexible hours
        Senior JavaScript Developer / front End Engineer (Vue 3) Billericay / WFH to £75k Are you a JavaScript web technologist seeking an opportunity to work with a modern tech stack on Greenfield projects? You could be progressing your career in a senior, hands-on role at an eCommerce payments solutions provider that has experienced great success in the last year and is growing as a result. * Salary (to £75k) * Bonus * 25 days holiday * Pension * Life assurance * Private medical care * Pizza days and other social events * Hybrid working with flexible hours
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        PREMIUM

        Web Integration Analyst

        BENEFACT GROUP PLC T/A ECCLESIASTICAL INSURANCE GROUP PLC
        South Ockendon, Essex
        £30,000 - £35,000 a year
        Salary: £30,000.00 - £35,000.00 (depending on experience) Working hours: 35 hours per week Duration: Permanent Location: South Ockendon / Hybrid Working About the role Lloyd & Whyte , who are proudly part of Benefact Group , are looking for a Web Integration Analyst to join our Technical Operations team in their South Ockendon, Essex office. As a Web Integration Analyst , you will play a key role in the development, maintenance, and support of the groups web applications and third-party integrations. You will ensure systems remain accessible, secure, bug-free, compliant, and up to date in alignment with broader business objectives. Why join us? Join a collaborative and inclusive culture thats committed to making a difference and building a more sustainable future.
        Salary: £30,000.00 - £35,000.00 (depending on experience) Working hours: 35 hours per week Duration: Permanent Location: South Ockendon / Hybrid Working About the role Lloyd & Whyte , who are proudly part of Benefact Group , are looking for a Web Integration Analyst to join our Technical Operations team in their South Ockendon, Essex office. As a Web Integration Analyst , you will play a key role in the development, maintenance, and support of the groups web applications and third-party integrations. You will ensure systems remain accessible, secure, bug-free, compliant, and up to date in alignment with broader business objectives. Why join us? Join a collaborative and inclusive culture thats committed to making a difference and building a more sustainable future.
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        MIS Systems Developer

        Chelmsford College
        Chelmsford, Essex
        £35,333 - £38,099 a year
        Title MIS Systems Developer Hours 37 hours per week Salary Between £35,333 and £38,099 per annum Organisation Chelmsford College Closing Date 11/01/2026 Description We are seeking an experienced MIS Systems Developer (Unit-e) to join our MIS & Digital Transformation team in Chelmsford, Essex. This is an exciting opportunity to play a key role in developing, maintaining, and enhancing our Unit-e Management Information System and associated applications. As an MIS Systems Developer, you will design and implement custom solutions, ensure data integrity, and deliver insightful reporting to support operational and strategic objectives. Youll work closely with stakeholders across the organisation, providing technical expertise and driving continuous improvement. What youll do: Develop and customise Unit-e MIS solutions to meet business needs.
        Title MIS Systems Developer Hours 37 hours per week Salary Between £35,333 and £38,099 per annum Organisation Chelmsford College Closing Date 11/01/2026 Description We are seeking an experienced MIS Systems Developer (Unit-e) to join our MIS & Digital Transformation team in Chelmsford, Essex. This is an exciting opportunity to play a key role in developing, maintaining, and enhancing our Unit-e Management Information System and associated applications. As an MIS Systems Developer, you will design and implement custom solutions, ensure data integrity, and deliver insightful reporting to support operational and strategic objectives. Youll work closely with stakeholders across the organisation, providing technical expertise and driving continuous improvement. What youll do: Develop and customise Unit-e MIS solutions to meet business needs.
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        NEW

        195 exact matches jobs are outside your preferred location

        Senior Backend Engineer TypeScript Node API

        Client Server
        The City, City of London (EC4), EC2V
        £85000 - £100000 per annum + shares + benefits
        Senior Backend Engineer / Developer (TypeScript Node API) London / WFH to £100k Are you a senior technologist looking for an opportunity to progress your career in a hands-on role where you can make an impact? You could be joining a scaling tech company that has developed a digital distribution platform transforming electronic trading in the institutional FX options market via a central marketplace where institutions can place, discover and match option interests electronically - improving liquidity and efficiency for all participants as the platform scales. As a Senior Backend Engineer you will collaborate with a small team of technologists and successful entrepreneurs to design and implement intelligent solutions to business needs, with a focus on TypeScript and Node backend systems but also with exposure to and occasional frontend work.
        Senior Backend Engineer / Developer (TypeScript Node API) London / WFH to £100k Are you a senior technologist looking for an opportunity to progress your career in a hands-on role where you can make an impact? You could be joining a scaling tech company that has developed a digital distribution platform transforming electronic trading in the institutional FX options market via a central marketplace where institutions can place, discover and match option interests electronically - improving liquidity and efficiency for all participants as the platform scales. As a Senior Backend Engineer you will collaborate with a small team of technologists and successful entrepreneurs to design and implement intelligent solutions to business needs, with a focus on TypeScript and Node backend systems but also with exposure to and occasional frontend work.
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        PREMIUM
        UK – Hybrid / Remote | Permanent We are recruiting for a Senior Test Automation Engineer to join an engineering team working on large-scale backend platforms and SDKs. This role is heavily focused on API testing and Python-based automation and is suited to experienced engineers with a strong technical QA background. This is not a UI-focused or manual QA role. Responsibilities * Design, implement, and execute automated and manual tests for backend systems and APIs * Analyse requirements and produce detailed test plans and test cases * Maintain and extend an existing Python-based automation framework * Develop and execute API and SDK tests, including regression, negative, and backward-compatibility testing * Identify, log, and verify defects and work closely with engineers to resolve issues
        UK – Hybrid / Remote | Permanent We are recruiting for a Senior Test Automation Engineer to join an engineering team working on large-scale backend platforms and SDKs. This role is heavily focused on API testing and Python-based automation and is suited to experienced engineers with a strong technical QA background. This is not a UI-focused or manual QA role. Responsibilities * Design, implement, and execute automated and manual tests for backend systems and APIs * Analyse requirements and produce detailed test plans and test cases * Maintain and extend an existing Python-based automation framework * Develop and execute API and SDK tests, including regression, negative, and backward-compatibility testing * Identify, log, and verify defects and work closely with engineers to resolve issues
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        C++ Developer MacOS API

        Client Server
        The City, City of London (EC4), EC2V
        £65000 - £80000 per annum + benefits
        C++ Developer / Engineer (C++ Mac Extensions) WFH / London to £80k Do you have C++ coding skills combined with experience of developing Mac Extensions? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses the commands and data structures to extract key metadata which is then analysed by in-house algorithms and allows customers to detect hackers, malware, data leakage and other malicious activity. As a C++ Developer you will focus on enabling the core product, written in C / C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions, tools and API integrations. You can work from home most of the time, meeting up with colleagues in the London office once or twice a month.
        C++ Developer / Engineer (C++ Mac Extensions) WFH / London to £80k Do you have C++ coding skills combined with experience of developing Mac Extensions? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses the commands and data structures to extract key metadata which is then analysed by in-house algorithms and allows customers to detect hackers, malware, data leakage and other malicious activity. As a C++ Developer you will focus on enabling the core product, written in C / C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions, tools and API integrations. You can work from home most of the time, meeting up with colleagues in the London office once or twice a month.
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        PREMIUM
        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 Product Manager for Mortgages Platform Location: London Soho Square - Hybrid work mode (with 2 days a week in the office) Department: Mortgages and Data Services - Mortgages Reports to: Head of Product The Role We are on a mission to give everyone the belief that they can make their move.
        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 Product Manager for Mortgages Platform Location: London Soho Square - Hybrid work mode (with 2 days a week in the office) Department: Mortgages and Data Services - Mortgages Reports to: Head of Product The Role We are on a mission to give everyone the belief that they can make their move.
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        NEW

        Product Manager

        Tiro Partners
        London
        From £60,000 to £70,000 per annum
        Location: London (Hybrid 3 days onsite) Salary: £60,000£70,000 DOE The Opportunity Were hiring a Product Manager to own and evolve the core product and pricing platform that underpins a high-volume digital commerce business. This role sits at the heart of the product ecosystem, shaping how products, prices, availability and rules flow through complex systems and into customer-facing experiences. Youll work on foundational capabilities rather than surface-level features, helping to create scalable, predictable systems that enable growth across Search, Conversion, Trade APIs and Customer Operations. If you enjoy solving deep, systemic problems and partnering closely with engineers and commercial teams, this role offers genuine ownership and long-term impact. What Youll Be Working On * Core product and pricing capabilities that power everything the business sells
        Location: London (Hybrid 3 days onsite) Salary: £60,000£70,000 DOE The Opportunity Were hiring a Product Manager to own and evolve the core product and pricing platform that underpins a high-volume digital commerce business. This role sits at the heart of the product ecosystem, shaping how products, prices, availability and rules flow through complex systems and into customer-facing experiences. Youll work on foundational capabilities rather than surface-level features, helping to create scalable, predictable systems that enable growth across Search, Conversion, Trade APIs and Customer Operations. If you enjoy solving deep, systemic problems and partnering closely with engineers and commercial teams, this role offers genuine ownership and long-term impact. What Youll Be Working On * Core product and pricing capabilities that power everything the business sells
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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. Role: Principal Native Apps Engineer - Consumer - Apps (Core) Location: Soho Square, London Office / Hybrid Reporting to: EM Native Apps The Role We are on a mission to be 'the app you cant move without'. As the UK's biggest property app and website, our native apps are a critical touchpoint for millions of home movers every month.
        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. Role: Principal Native Apps Engineer - Consumer - Apps (Core) Location: Soho Square, London Office / Hybrid Reporting to: EM Native Apps The Role We are on a mission to be 'the app you cant move without'. As the UK's biggest property app and website, our native apps are a critical touchpoint for millions of home movers every month.
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        NEW
        Home-based within the UK About Us At Family Action, we transform lives by providing practical, emotional, and financial support to those experiencing poverty, disadvantage, and social isolation. Since 1869, weve been building stronger families, and today, we work with over 60,000 families across more than 190 services. We also support thousands more through national programmes and grants, helping everyone find the tools to overcome challenges and thrive. Were now looking for a Back-End Developer to join us on a full-time, permanent basis, working 37 hours per week. TheBenefits - Salary of £43,042 per annum (inclusive of £1,044 market supplement and £480 home working allowance) - An annual paid leave entitlement of 30 working days plus bank holidays - Up to 6% matched-pension contributions
        Home-based within the UK About Us At Family Action, we transform lives by providing practical, emotional, and financial support to those experiencing poverty, disadvantage, and social isolation. Since 1869, weve been building stronger families, and today, we work with over 60,000 families across more than 190 services. We also support thousands more through national programmes and grants, helping everyone find the tools to overcome challenges and thrive. Were now looking for a Back-End Developer to join us on a full-time, permanent basis, working 37 hours per week. TheBenefits - Salary of £43,042 per annum (inclusive of £1,044 market supplement and £480 home working allowance) - An annual paid leave entitlement of 30 working days plus bank holidays - Up to 6% matched-pension contributions
        more
        We are looking for an experienced C# .Net Developer with experience of GenAI to join a team developing cutting edge AI solutions who will either have current and active SC clearance or have the ability to be able to obtain SC clearance. You will provide solutions across both Azure and AWS technologies and importantly have a demonstrable background in C#.Net . This will be a very much collaborative role working with a range of domain experts. You will work on projects developing GenAI capabilities and provide guidance to non-technical people. What you will bring to the team * Solid C# .Net experience * Fine-tune Large Language Models (LLMs) and other generative architectures. * Optimise pre-trained models (OpenAI, Anthropic, or open-source LLMs) for business use cases using prompt engineering and reinforcement learning.
        We are looking for an experienced C# .Net Developer with experience of GenAI to join a team developing cutting edge AI solutions who will either have current and active SC clearance or have the ability to be able to obtain SC clearance. You will provide solutions across both Azure and AWS technologies and importantly have a demonstrable background in C#.Net . This will be a very much collaborative role working with a range of domain experts. You will work on projects developing GenAI capabilities and provide guidance to non-technical people. What you will bring to the team * Solid C# .Net experience * Fine-tune Large Language Models (LLMs) and other generative architectures. * Optimise pre-trained models (OpenAI, Anthropic, or open-source LLMs) for business use cases using prompt engineering and reinforcement learning.
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        NEW
        Join us at Entrust At Entrust, were shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. Get to Know Us Headquartered in Minnesota, Entrust is an industry leader in identity-centric security solutions, serving over 150 countries with cutting-edge, scalable technologies. But our secret weapon? Our people. Its the curiosity, dedication, and innovation that drive our success and help us anticipate the future. You will join a team working on the firmware of our next-gen cryptographic Hardware Security Modules.
        Join us at Entrust At Entrust, were shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. Get to Know Us Headquartered in Minnesota, Entrust is an industry leader in identity-centric security solutions, serving over 150 countries with cutting-edge, scalable technologies. But our secret weapon? Our people. Its the curiosity, dedication, and innovation that drive our success and help us anticipate the future. You will join a team working on the firmware of our next-gen cryptographic Hardware Security Modules.
        more
        Join us at Entrust At Entrust, were shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. Get to Know Us Headquartered in Minnesota, Entrust is an industry leader in identity-centric security solutions, serving over 150 countries with cutting-edge, scalable technologies. But our secret weapon? Our people. Its the curiosity, dedication, and innovation that drive our success and help us anticipate the future. We are looking for Senior Software Developer to join our Cambridge-UK team! You will join a team working on Linux system tools with Python scripting and C coding.
        Join us at Entrust At Entrust, were shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. Get to Know Us Headquartered in Minnesota, Entrust is an industry leader in identity-centric security solutions, serving over 150 countries with cutting-edge, scalable technologies. But our secret weapon? Our people. Its the curiosity, dedication, and innovation that drive our success and help us anticipate the future. We are looking for Senior Software Developer to join our Cambridge-UK team! You will join a team working on Linux system tools with Python scripting and C coding.
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        Senior Full Stack Engineer React TypeScript

        Client Server
        The City, City of London (EC4), EC2V
        £80000 - £90000 per annum + benefits
        Senior Full Stack Engineer / Developer (React Redux TypeScript Node.js) Remote UK to £90k Are you a Full Stack Engineer with strong front end development experience with React and Redux? You could be progressing your career in a senior, hands-on role at a scaling Fintech who have built an energy trading platform to revolutionise energy buying for large industrial and commercial users. As a Senior Full Stack Engineer you'll help to build a seamless digital experience that makes complex energy systems simple, powerful and intuitive, creating user interfaces that bring trading and billing into one flexible product using React and Redux. You'll also contribute to maintenance of current systems, assist with the migration from JavaScript microservices to a monorepo architecture using TypeScript and integrate APIs and backend services.
        Senior Full Stack Engineer / Developer (React Redux TypeScript Node.js) Remote UK to £90k Are you a Full Stack Engineer with strong front end development experience with React and Redux? You could be progressing your career in a senior, hands-on role at a scaling Fintech who have built an energy trading platform to revolutionise energy buying for large industrial and commercial users. As a Senior Full Stack Engineer you'll help to build a seamless digital experience that makes complex energy systems simple, powerful and intuitive, creating user interfaces that bring trading and billing into one flexible product using React and Redux. You'll also contribute to maintenance of current systems, assist with the migration from JavaScript microservices to a monorepo architecture using TypeScript and integrate APIs and backend services.
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        PREMIUM

        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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        Why Faculty? We established Faculty in 2014 because we thought that AI would be the most important technology of our time. Since then, weve worked with over 350 global customers to transform their performance through human-centric AI. You can read about our real-world impact here. We dont chase hype cycles. We innovate, build and deploy responsible AI which moves the needle - and we know a thing or two about doing it well. We bring an unparalleled depth of technical, product and delivery expertise to our clients who span government, finance, retail, energy, life sciences and defence. Our business, and reputation, is growing fast and were always on the lookout for individuals who share our intellectual curiosity and desire to build a positive legacy through technology.
        Why Faculty? We established Faculty in 2014 because we thought that AI would be the most important technology of our time. Since then, weve worked with over 350 global customers to transform their performance through human-centric AI. You can read about our real-world impact here. We dont chase hype cycles. We innovate, build and deploy responsible AI which moves the needle - and we know a thing or two about doing it well. We bring an unparalleled depth of technical, product and delivery expertise to our clients who span government, finance, retail, energy, life sciences and defence. Our business, and reputation, is growing fast and were always on the lookout for individuals who share our intellectual curiosity and desire to build a positive legacy through technology.
        more
        Join us at Entrust At Entrust, were shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. Get to Know Us Headquartered in Minnesota, Entrust is an industry leader in identity-centric security solutions, serving over 150 countries with cutting-edge, scalable technologies. But our secret weapon? Our people. Its the curiosity, dedication, and innovation that drive our success and help us anticipate the future. We are seeking a Staff Software Engineer to join our innovative Biometrics team, where you will lead the architectural design and full-stack development of cutting-edge digital identity verification solutions.
        Join us at Entrust At Entrust, were shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. Get to Know Us Headquartered in Minnesota, Entrust is an industry leader in identity-centric security solutions, serving over 150 countries with cutting-edge, scalable technologies. But our secret weapon? Our people. Its the curiosity, dedication, and innovation that drive our success and help us anticipate the future. We are seeking a Staff Software Engineer to join our innovative Biometrics team, where you will lead the architectural design and full-stack development of cutting-edge digital identity verification solutions.
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        *inside iR35* What You'll Be Doing * Designing and developing enterprise-grade solutions in an Agile team. * Building and maintaining middleware services using C#, REST APIs, FIX messaging, XML, and Microservices. * Leading architecture discussions, code reviews, and release management. * Collaborating with users and cross-functional teams to define and execute testing strategies. * Mentoring junior developers and contributing to internal best practices. What You Bring * A strong academic background in Computer Science, Engineering, or a related field. * Proven experience in SOLID Principles/Design patterns * Deep knowledge of C# .NET, RESTful services, and microservice architecture. * Hands-on experience with FIX messaging, XML, AMQ, and ideally nHibernate, OData, and TDD. * Excellent communication skills and a pragmatic approach to problem-solving.
        *inside iR35* What You'll Be Doing * Designing and developing enterprise-grade solutions in an Agile team. * Building and maintaining middleware services using C#, REST APIs, FIX messaging, XML, and Microservices. * Leading architecture discussions, code reviews, and release management. * Collaborating with users and cross-functional teams to define and execute testing strategies. * Mentoring junior developers and contributing to internal best practices. What You Bring * A strong academic background in Computer Science, Engineering, or a related field. * Proven experience in SOLID Principles/Design patterns * Deep knowledge of C# .NET, RESTful services, and microservice architecture. * Hands-on experience with FIX messaging, XML, AMQ, and ideally nHibernate, OData, and TDD. * Excellent communication skills and a pragmatic approach to problem-solving.
        more
        *inside iR35* What You'll Be Doing * Designing and developing enterprise-grade solutions in an Agile team. * Building and maintaining middleware services using C#, REST APIs, FIX messaging, XML, and Microservices. * Leading architecture discussions, code reviews, and release management. * Collaborating with users and cross-functional teams to define and execute testing strategies. * Mentoring junior developers and contributing to internal best practices. What You Bring * A strong academic background in Computer Science, Engineering, or a related field. * Proven experience in SOLID Principles/Design patterns * Deep knowledge of C# .NET, RESTful services, and microservice architecture. * Hands-on experience with FIX messaging, XML, AMQ, and ideally nHibernate, OData, and TDD. * Excellent communication skills and a pragmatic approach to problem-solving.
        *inside iR35* What You'll Be Doing * Designing and developing enterprise-grade solutions in an Agile team. * Building and maintaining middleware services using C#, REST APIs, FIX messaging, XML, and Microservices. * Leading architecture discussions, code reviews, and release management. * Collaborating with users and cross-functional teams to define and execute testing strategies. * Mentoring junior developers and contributing to internal best practices. What You Bring * A strong academic background in Computer Science, Engineering, or a related field. * Proven experience in SOLID Principles/Design patterns * Deep knowledge of C# .NET, RESTful services, and microservice architecture. * Hands-on experience with FIX messaging, XML, AMQ, and ideally nHibernate, OData, and TDD. * Excellent communication skills and a pragmatic approach to problem-solving.
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        Gen AI Engineer

        Stackstudio Digital Ltd.
        London
        From £500 to £510 per day
        Role / Job Title:Gen AI Engineer Work Location:London, United Kingdom (Office) The Role The Senior GenAI Engineer will develop and deploy advanced Generative AI Products, including fine-tuning V/LLM models and implementing (Graph) RAG (Retrieval-Augmented Generation) solutions. This hands-on role requires deep technical expertise, and as part of the GenAI team, you will implement and optimize GenAI agents for the Global Supply Chain. Why is this job critical? This role ensures the effective use of Generative AI technologies within a Global Supply Chain by designing robust solutions, optimizing performance, and implementing AI governance. The GenAI Engineer is key in delivering efficient, reliable, and secure AI solutions, enhancing operational efficiency and strategic decision-making. Your Responsibilities Own Technical Implementation of GenAI Capabilities
        Role / Job Title:Gen AI Engineer Work Location:London, United Kingdom (Office) The Role The Senior GenAI Engineer will develop and deploy advanced Generative AI Products, including fine-tuning V/LLM models and implementing (Graph) RAG (Retrieval-Augmented Generation) solutions. This hands-on role requires deep technical expertise, and as part of the GenAI team, you will implement and optimize GenAI agents for the Global Supply Chain. Why is this job critical? This role ensures the effective use of Generative AI technologies within a Global Supply Chain by designing robust solutions, optimizing performance, and implementing AI governance. The GenAI Engineer is key in delivering efficient, reliable, and secure AI solutions, enhancing operational efficiency and strategic decision-making. Your Responsibilities Own Technical Implementation of GenAI Capabilities
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        Join us at Entrust At Entrust, were shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. Get to Know Us Headquartered in Minnesota, Entrust is an industry leader in identity-centric security solutions, serving over 150 countries with cutting-edge, scalable technologies. But our secret weapon? Our people. Its the curiosity, dedication, and innovation that drive our success and help us anticipate the future. As a Senior Full stack Engineer for the SDK team, you will join a talented and collaborative team dedicated to building resilient, scalable, and delightful systems and experiences for our customers.
        Join us at Entrust At Entrust, were shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. Get to Know Us Headquartered in Minnesota, Entrust is an industry leader in identity-centric security solutions, serving over 150 countries with cutting-edge, scalable technologies. But our secret weapon? Our people. Its the curiosity, dedication, and innovation that drive our success and help us anticipate the future. As a Senior Full stack Engineer for the SDK team, you will join a talented and collaborative team dedicated to building resilient, scalable, and delightful systems and experiences for our customers.
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        Lead Technical Test Engineer Remote 3 month contract - potential for extension Outside IR35 £450pd iO are working with an established and rapidly growing Digital agency in their search for an experienced Lead Technical Test Engineer They work with global technology leaders to provide digital transformation services to a number of customers in industries including not-for-profit, financial services and the pubic sector You will bring years of experience, understanding and practical application in all levels and types of testing and a good understanding and usage of AWS services to assist in the set-up and triggering of test conditions. As the Lead Test Engineer, you will support the Test Manager with the strategy and coordinating a small team of Technical Test Engineers * Minimum of 5 years' experience in BOTH testing and test leadership
        Lead Technical Test Engineer Remote 3 month contract - potential for extension Outside IR35 £450pd iO are working with an established and rapidly growing Digital agency in their search for an experienced Lead Technical Test Engineer They work with global technology leaders to provide digital transformation services to a number of customers in industries including not-for-profit, financial services and the pubic sector You will bring years of experience, understanding and practical application in all levels and types of testing and a good understanding and usage of AWS services to assist in the set-up and triggering of test conditions. As the Lead Test Engineer, you will support the Test Manager with the strategy and coordinating a small team of Technical Test Engineers * Minimum of 5 years' experience in BOTH testing and test leadership
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        FEATURED
        Contract Technical Business Analyst – ServiceNow Outside IR35 | Contract | Hybrid / Remote (UK) | Up to £500 a day I'm seeking an experienced Technical Business Analyst with strong ServiceNow expertise to support a large-scale transformation programme within a complex enterprise environment. This is a contract role operating Outside IR35, ideal for a delivery-focused consultant who can bridge the gap between business stakeholders and technical teams. Key Responsibilities * Elicit, analyse, and document business and technical requirements across ServiceNow modules * Act as the primary interface between stakeholders, developers, architects, and ServiceNow platform teams * Translate business needs into clear functional and technical specifications (user stories, process flows, data models)
        Contract Technical Business Analyst – ServiceNow Outside IR35 | Contract | Hybrid / Remote (UK) | Up to £500 a day I'm seeking an experienced Technical Business Analyst with strong ServiceNow expertise to support a large-scale transformation programme within a complex enterprise environment. This is a contract role operating Outside IR35, ideal for a delivery-focused consultant who can bridge the gap between business stakeholders and technical teams. Key Responsibilities * Elicit, analyse, and document business and technical requirements across ServiceNow modules * Act as the primary interface between stakeholders, developers, architects, and ServiceNow platform teams * Translate business needs into clear functional and technical specifications (user stories, process flows, data models)
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        At Mace, our purpose is to redefine the boundaries of ambition. We believe in creating places that are responsible, bringing transformative impact to our people, communities and societies across the globe. To learn more about our purpose, culture and priorities, visit our strategy site. Within our consult business, we harness our unique combination of leading-edge practical expertise and project delivery consultancy to unlock the potential in every project. * Safety first - Going home safe and well. * Client focus - Deliver on our promise. * Integrity - Always do the right thing. * Create opportunity - for our people to excel. The role is for a developer specialising in the Microsoft Power platform technology stack (SharePoint Online, Power Apps, Power Automate and Power Pages). It is a client-facing role supporting fee-earning projects and programmes.
        At Mace, our purpose is to redefine the boundaries of ambition. We believe in creating places that are responsible, bringing transformative impact to our people, communities and societies across the globe. To learn more about our purpose, culture and priorities, visit our strategy site. Within our consult business, we harness our unique combination of leading-edge practical expertise and project delivery consultancy to unlock the potential in every project. * Safety first - Going home safe and well. * Client focus - Deliver on our promise. * Integrity - Always do the right thing. * Create opportunity - for our people to excel. The role is for a developer specialising in the Microsoft Power platform technology stack (SharePoint Online, Power Apps, Power Automate and Power Pages). It is a client-facing role supporting fee-earning projects and programmes.
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