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        20 Contract API jobs in Kempston + 20 miles

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        Manager – Principal Security Architect Secure Design (IC)

        London Stock Exchange
        South East
        Competitive
        Security Architecture Secure Design Team - Role: Manager Principal Security Architect: Secure Design (Individual Contributor) Grade: GG14 - The Security Architecture Design team is responsible for developing Security Architecture patterns, developing security controls needed for new technology, promoting the use of the architectural patterns into development projects, leading the Security Architecture Design Forum, Evaluating architectural security risks in existing systems, consulting with system development teams and architects on building security into their design. This key task of this role is accelerating the delivery of secure design artefacts and leading secure design interventions - by adding capacity and capability to the team. Reports to: Senior Manager Secure Design - Key Relationships * Business Aligned Principal Security Architects * CyberSecurity Engine
        Security Architecture Secure Design Team - Role: Manager Principal Security Architect: Secure Design (Individual Contributor) Grade: GG14 - The Security Architecture Design team is responsible for developing Security Architecture patterns, developing security controls needed for new technology, promoting the use of the architectural patterns into development projects, leading the Security Architecture Design Forum, Evaluating architectural security risks in existing systems, consulting with system development teams and architects on building security into their design. This key task of this role is accelerating the delivery of secure design artefacts and leading secure design interventions - by adding capacity and capability to the team. Reports to: Senior Manager Secure Design - Key Relationships * Business Aligned Principal Security Architects * CyberSecurity Engine
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        LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. Its how weve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services and our open-access model we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.LSEG is headquartered in the United Kingdom, with significant ...
        LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. Its how weve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services and our open-access model we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.LSEG is headquartered in the United Kingdom, with significant ...
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        Investigate and resolve production issues promptly from user interface (UI) through to application logic (API & database) and infrastructure
        Investigate and resolve production issues promptly from user interface (UI) through to application logic (API & database) and infrastructure
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        NEW
        Extensive Salesforce development experience (including Apex triggers, classes, asynchronous Apex, API Integrations, Platform Events, LWCs and Sites)
        Extensive Salesforce development experience (including Apex triggers, classes, asynchronous Apex, API Integrations, Platform Events, LWCs and Sites)
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        NEW
        The Digital Engineering team is responsible for providing unified digital experience to our clients that interact with Transaction Banking products via different interfaces such as Banking as a Service API, client portal, Files and SWIFT network. * Experience with Microservice architectures and REST API * Open API Familiarity with experience in building external API using REST and Webhooks
        The Digital Engineering team is responsible for providing unified digital experience to our clients that interact with Transaction Banking products via different interfaces such as Banking as a Service API, client portal, Files and SWIFT network. * Experience with Microservice architectures and REST API * Open API Familiarity with experience in building external API using REST and Webhooks
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        NEW

        Senior C# Software Engineer

        Spectrum It Recruitment Limited
        UK
        £60000 - £65000 per annum
        Due to continued success, they are looking to grow one of their key software engineering teams working on some of their most successful SaaS products. The Senior C# Software Engineer will join an established team developing business logic for Windows based products. Key experience * Extensive commercial experience in C# Windows programming * Multithreading / TPL * XML * SQL * Version control * Unit testing Experience in any of the following areas would be advantageous but is not a prerequisite * WIX installers * Windows services eg Active Directory, Exchange etc * Client-server architecture development * M365 APIs If you are seeking a role of this nature please get in touch for more information. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.
        Due to continued success, they are looking to grow one of their key software engineering teams working on some of their most successful SaaS products. The Senior C# Software Engineer will join an established team developing business logic for Windows based products. Key experience * Extensive commercial experience in C# Windows programming * Multithreading / TPL * XML * SQL * Version control * Unit testing Experience in any of the following areas would be advantageous but is not a prerequisite * WIX installers * Windows services eg Active Directory, Exchange etc * Client-server architecture development * M365 APIs If you are seeking a role of this nature please get in touch for more information. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.
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        In-depth understanding of data structures, system architecture, API development for microservices frameworks, distributed systems and other backend-related concepts and best practices
        In-depth understanding of data structures, system architecture, API development for microservices frameworks, distributed systems and other backend-related concepts and best practices
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        NEW
        Support an API-FIRST Analytics business strategy to design and build SaaS and PaaS solutions, including analytics data solutions, quantitative models, risk analytics and customized reporting tools, and other sophisticated analytical tools. * Experience leading/designing/delivering API service-based product solutions
        Support an API-FIRST Analytics business strategy to design and build SaaS and PaaS solutions, including analytics data solutions, quantitative models, risk analytics and customized reporting tools, and other sophisticated analytical tools. * Experience leading/designing/delivering API service-based product solutions
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        Join Us as a Software Development Engineer in Test (SDET)! Overview - We are looking for a Software Development Engineer in Test (SDET) or automation tester who comes from a Java Software Development background. The role is to assist in the development of the new Index platform for the FTSE-Russell Index business of the London Stock Exchange Group (LSEG). The Index Platform team performs the calculation, maintenance and distribution of Index products. You will be working on innovative technologies with a team of engineers to implement solutions which support the strategic growth of the Index business. You will be involved in the development of complex test tools and solutions as well as new test frameworks, starting from a blank slate in some cases, to help ensure the quality of a greenfield application build.
        Join Us as a Software Development Engineer in Test (SDET)! Overview - We are looking for a Software Development Engineer in Test (SDET) or automation tester who comes from a Java Software Development background. The role is to assist in the development of the new Index platform for the FTSE-Russell Index business of the London Stock Exchange Group (LSEG). The Index Platform team performs the calculation, maintenance and distribution of Index products. You will be working on innovative technologies with a team of engineers to implement solutions which support the strategic growth of the Index business. You will be involved in the development of complex test tools and solutions as well as new test frameworks, starting from a blank slate in some cases, to help ensure the quality of a greenfield application build.
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        Node.JS Developer

        Anson Mccade
        South East
        GBP 475.00 per week;GBP 475.00 per day
        £475 GBP - Onsite WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Contract Opportunity: Node.js Developer - Hybrid (2-3 days onsite in London) to £475/day | Outside IR35 | 3 months (likely extension) We're working with a leading consultancy on a fast-paced delivery programme for a major UK client and need a talented Node.js Developer to join the team. You'll be joining a collaborative group of engineers and delivery leads to help build out scalable backend services as part of a wider digital transformation programme. * Developing clean, efficient Node.js microservices * Integrating with APIs and external data sources * Collaborating with architects and DevOps engineers to deliver secure, scalable solutions * Participating in code reviews and agile ceremonies * Strong experience in Node.js and JavaScript (TypeScript a bonus)
        £475 GBP - Onsite WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Contract Opportunity: Node.js Developer - Hybrid (2-3 days onsite in London) to £475/day | Outside IR35 | 3 months (likely extension) We're working with a leading consultancy on a fast-paced delivery programme for a major UK client and need a talented Node.js Developer to join the team. You'll be joining a collaborative group of engineers and delivery leads to help build out scalable backend services as part of a wider digital transformation programme. * Developing clean, efficient Node.js microservices * Integrating with APIs and external data sources * Collaborating with architects and DevOps engineers to deliver secure, scalable solutions * Participating in code reviews and agile ceremonies * Strong experience in Node.js and JavaScript (TypeScript a bonus)
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        PREMIUM
        Job Description Summary - The Digital & Marketing Technology Team is responsible for marketing technology within the LSEG Technology organization. Our current MarTech stack includes Oracle Marketing Cloud (Eloqua), Salesforce CRM, Interact and Unica (IBM), Workfront and other applications, and is growing to include additional cloud-enabled technologies to support marketing planning, marketing content, demand generation, lead flow, and marketing attribution. The Digital & Marketing Technology team is growing, and looking for versatile self-starters who want to learn new technologies and take ownership of projects. This position is responsible for driving business requirements for new technologies, managing releases, and 2nd level support and development of marketing automation platforms, including integration with other Digital Marketing tools and MarTech applications
        Job Description Summary - The Digital & Marketing Technology Team is responsible for marketing technology within the LSEG Technology organization. Our current MarTech stack includes Oracle Marketing Cloud (Eloqua), Salesforce CRM, Interact and Unica (IBM), Workfront and other applications, and is growing to include additional cloud-enabled technologies to support marketing planning, marketing content, demand generation, lead flow, and marketing attribution. The Digital & Marketing Technology team is growing, and looking for versatile self-starters who want to learn new technologies and take ownership of projects. This position is responsible for driving business requirements for new technologies, managing releases, and 2nd level support and development of marketing automation platforms, including integration with other Digital Marketing tools and MarTech applications
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        At Automata, we're on a mission to transform how scientists work by making automation accessible to every lab in the world. We believe that by giving labs the power to automate, we can unlock discoveries that will shape the future of life sciencesfrom diagnostics and drug discovery to synthetic biology. But were more than just a company disrupting the industrywe're a team of innovators, problem-solvers, and creators passionate about empowering scientists. Our LINQ platform combines hardware and software to streamline workflows, making lab automation fast, flexible, and affordable. This means our customers can focus on groundbreaking research, while we take care of the rest. Why Work at Automata? * Impact: Your work will directly contribute to advancements in science and medicine, supporting labs around the globe as they push boundaries in research and innovation.
        At Automata, we're on a mission to transform how scientists work by making automation accessible to every lab in the world. We believe that by giving labs the power to automate, we can unlock discoveries that will shape the future of life sciencesfrom diagnostics and drug discovery to synthetic biology. But were more than just a company disrupting the industrywe're a team of innovators, problem-solvers, and creators passionate about empowering scientists. Our LINQ platform combines hardware and software to streamline workflows, making lab automation fast, flexible, and affordable. This means our customers can focus on groundbreaking research, while we take care of the rest. Why Work at Automata? * Impact: Your work will directly contribute to advancements in science and medicine, supporting labs around the globe as they push boundaries in research and innovation.
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        NEW
        Date Posted: 25/06/2025 - Location: London - Job Type: Full time - London - Hybrid 50% Full Time - 35 hours - Who are Just? We help people achieve a better later life. Thats our purpose and its the reason we exist. We are a fast-growing FTSE 250 company helping customers enjoy the retirement they deserve. We do this through a variety of market leading, award-winning products and services, delivered by a diverse team of over 1,400 purpose-led colleagues who genuinely put the customer at the heart of everything we do. This is a brilliant time to join our business. We are on an exciting growth journey to become the UKs most loved retirement expert. Purpose - As a Senior Application Support Engineer, you will play a crucial role in powering our Retail applications by partnering with engineering and business teams to build deep technical and business expertise.
        Date Posted: 25/06/2025 - Location: London - Job Type: Full time - London - Hybrid 50% Full Time - 35 hours - Who are Just? We help people achieve a better later life. Thats our purpose and its the reason we exist. We are a fast-growing FTSE 250 company helping customers enjoy the retirement they deserve. We do this through a variety of market leading, award-winning products and services, delivered by a diverse team of over 1,400 purpose-led colleagues who genuinely put the customer at the heart of everything we do. This is a brilliant time to join our business. We are on an exciting growth journey to become the UKs most loved retirement expert. Purpose - As a Senior Application Support Engineer, you will play a crucial role in powering our Retail applications by partnering with engineering and business teams to build deep technical and business expertise.
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        NEW
        Job Title - Job Description - In late January, we announced that Bridgefield Capital signed an agreement to acquire Philips Emergency Care business which includes leading brands and products like HeartStart AEDs, Intrepid and DFM100 monitor defibrillators, Tempus monitor and Tempus ALS systems, and Corsium and ECI informatics solutions. We expect the transaction to close at the end of 2025. With Bridgefields support and building on our 40+ year legacy of growth and innovation in emergency medical technology, the Emergency Care business will continue passionately pursuing our mission of saving lives, lowering the cost of healthcare, and advancing the science of resuscitation while serving the public access AED, EMS, military, and hospital market segments. In this role and as part of an agile company that has the dedicated resources needed to achieve its strategic goals
        Job Title - Job Description - In late January, we announced that Bridgefield Capital signed an agreement to acquire Philips Emergency Care business which includes leading brands and products like HeartStart AEDs, Intrepid and DFM100 monitor defibrillators, Tempus monitor and Tempus ALS systems, and Corsium and ECI informatics solutions. We expect the transaction to close at the end of 2025. With Bridgefields support and building on our 40+ year legacy of growth and innovation in emergency medical technology, the Emergency Care business will continue passionately pursuing our mission of saving lives, lowering the cost of healthcare, and advancing the science of resuscitation while serving the public access AED, EMS, military, and hospital market segments. In this role and as part of an agile company that has the dedicated resources needed to achieve its strategic goals
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        NEW
        We're looking for a Senior Data Engineer to join the Data & Analytics team at Holland & Barrett. This is a high-impact, mid-seniority role within our growing data function, where you'll design, build, and scale modern data solutions on AWS. You'll work closely with cross-functional teams including Data Science, BI, and Product Analytics to develop cloud-native, scalable data infrastructure powering advanced analytics and machine learning. As a Senior Engineer, you'll not only deliver code you'll take ownership, lead small teams, mentor others, and contribute to shaping our engineering culture and best practices. You'll join a team of Data Engineers, reporting to the Senior Data Engineering Manager. You'll work alongside Associates, Mid-level Engineers, and Senior/Principal engineers. * Design, build, and scale data pipelines and services using AWS Glue, Lambda, Step .
        We're looking for a Senior Data Engineer to join the Data & Analytics team at Holland & Barrett. This is a high-impact, mid-seniority role within our growing data function, where you'll design, build, and scale modern data solutions on AWS. You'll work closely with cross-functional teams including Data Science, BI, and Product Analytics to develop cloud-native, scalable data infrastructure powering advanced analytics and machine learning. As a Senior Engineer, you'll not only deliver code you'll take ownership, lead small teams, mentor others, and contribute to shaping our engineering culture and best practices. You'll join a team of Data Engineers, reporting to the Senior Data Engineering Manager. You'll work alongside Associates, Mid-level Engineers, and Senior/Principal engineers. * Design, build, and scale data pipelines and services using AWS Glue, Lambda, Step .
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        At Rockstar Games, we create world-class entertainment experiences. Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated environment where you can learn and collaborate with some of the most talented people in the industry. Rockstar Games is looking for a passionate Associate Principal Technical Artist to work with our award-winning development team. You will have the opportunity to develop new tools and technologies, improve pipelines, and manage complex workflows for the vast amount of files and assets that make up our games. This is a full-time, permanent and in-office position based in Rockstars state-of-the-art game development studio in London. * Interact closely with our various stage, post, and animation teams, in addition to Tech Art and I
        At Rockstar Games, we create world-class entertainment experiences. Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated environment where you can learn and collaborate with some of the most talented people in the industry. Rockstar Games is looking for a passionate Associate Principal Technical Artist to work with our award-winning development team. You will have the opportunity to develop new tools and technologies, improve pipelines, and manage complex workflows for the vast amount of files and assets that make up our games. This is a full-time, permanent and in-office position based in Rockstars state-of-the-art game development studio in London. * Interact closely with our various stage, post, and animation teams, in addition to Tech Art and I
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        NEW
        A Senior ServiceNow Developer is sought by our client to work with their team to deliver continuous improvement and development of the Roadmap for end users. The existing team is a mixture of their own resources and 3rd party suppliers. You will be a highly experienced ServiceNow consultant, with a proven track record in ServiceNow development, including certification and experience in implementing different ServiceNow implementation levels and components.. Key Details * INSIDE IR35 * Remote working - Hybrid model * 2 days per week on-site available across various UK locations * 4 months * Must be UK resident * Must be able to work without sponsorship - Essential Criteria * Significant previous experience of working at a Senior ServiceNow level, including Architecture and Developer * Strong solution design experience, including helping influence product roadmaps and s
        A Senior ServiceNow Developer is sought by our client to work with their team to deliver continuous improvement and development of the Roadmap for end users. The existing team is a mixture of their own resources and 3rd party suppliers. You will be a highly experienced ServiceNow consultant, with a proven track record in ServiceNow development, including certification and experience in implementing different ServiceNow implementation levels and components.. Key Details * INSIDE IR35 * Remote working - Hybrid model * 2 days per week on-site available across various UK locations * 4 months * Must be UK resident * Must be able to work without sponsorship - Essential Criteria * Significant previous experience of working at a Senior ServiceNow level, including Architecture and Developer * Strong solution design experience, including helping influence product roadmaps and s
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        NEWFEATURED
        Security Architecture is comprised of security experts who are focused and specialized in securing all aspects of OCI Cloud. As security experts, we are sought out by our partner engineering organizations to provide guidance on designing their products, services and features. We set OCI wide security standards and hold a high security requirement bar for all services to ensure the highest level of security to our customers. We are currently looking for a highly motivated security engineer with expertise in Cloud security to join our team. This candidate would be involved in architecture, design, prototyping and development of the security aspects of Oracle Cloud's products and services. You should be a security-minded leader who can work with architects and/or a development teams as they design new capabilities to ensure that security requirements are set and the desi
        Security Architecture is comprised of security experts who are focused and specialized in securing all aspects of OCI Cloud. As security experts, we are sought out by our partner engineering organizations to provide guidance on designing their products, services and features. We set OCI wide security standards and hold a high security requirement bar for all services to ensure the highest level of security to our customers. We are currently looking for a highly motivated security engineer with expertise in Cloud security to join our team. This candidate would be involved in architecture, design, prototyping and development of the security aspects of Oracle Cloud's products and services. You should be a security-minded leader who can work with architects and/or a development teams as they design new capabilities to ensure that security requirements are set and the desi
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        NEW
        Why Deliveroo - Our mission is to transform the way you shop and eat, bringing the neighbourhood to your door by connecting consumers, restaurants, shops and riders. We are transforming the way the world eats and shops by making access to food and products more convenient and enjoyable. We give people the opportunity to buy what they want, as they want it, when and where they want it. We are a technology-driven company at the forefront of the most rapidly expanding industry in the world. We are still a small team, making a very large impact, looking to answer some of the most interesting questions out there. We move fast, value autonomy and ownership, and we are always looking for new ideas. As a Software Engineer within the Security Product Engineering team, you will be responsible for the design, development and support of security products.
        Why Deliveroo - Our mission is to transform the way you shop and eat, bringing the neighbourhood to your door by connecting consumers, restaurants, shops and riders. We are transforming the way the world eats and shops by making access to food and products more convenient and enjoyable. We give people the opportunity to buy what they want, as they want it, when and where they want it. We are a technology-driven company at the forefront of the most rapidly expanding industry in the world. We are still a small team, making a very large impact, looking to answer some of the most interesting questions out there. We move fast, value autonomy and ownership, and we are always looking for new ideas. As a Software Engineer within the Security Product Engineering team, you will be responsible for the design, development and support of security products.
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        At Deliveroo, it is our mission to build the definitive food company. In order to do that, were building a company where everyone can belong, grow and do the best work of their lives. We're looking for a motivated and technically skilled Identity and Access Management Engineer who thrives on solving complex identity problems and building secure, scalable access management solutions. In this role, you'll be directly responsible for developing and maintaining the core tools and systems that manage identity and access across Deliveroos internal platforms. Youll work across identity providers and governance tools to design automation, improve user experience, and strengthen securityall while ensuring compliance with regulatory standards. * Implement and maintain Deliveroos Identity & Access Management services, including identity providers and identity governance platform
        At Deliveroo, it is our mission to build the definitive food company. In order to do that, were building a company where everyone can belong, grow and do the best work of their lives. We're looking for a motivated and technically skilled Identity and Access Management Engineer who thrives on solving complex identity problems and building secure, scalable access management solutions. In this role, you'll be directly responsible for developing and maintaining the core tools and systems that manage identity and access across Deliveroos internal platforms. Youll work across identity providers and governance tools to design automation, improve user experience, and strengthen securityall while ensuring compliance with regulatory standards. * Implement and maintain Deliveroos Identity & Access Management services, including identity providers and identity governance platform
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        Frequently Asked Questions

        How many contract API jobs are there in Kempston?
        There are 20 contract API jobs within 20 miles of Kempston available on CWJobs right now.

        Where in Kempston are these contract jobs?
        You can find contract jobs in Southwark, The City, City (EC3), Milking Nook.

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