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        1 Contract API job in Leicester + 20 miles

        Senior Full Stack Developer

        XE.com
        Leicester, Leicestershire
        Competitive
        We provide a comprehensive range of currency services and products, including our Currency Converter, Market Analysis, Currency Data API and quick, easy, secure Money Transfers for individuals and businesses. Your team will be expected to build and own a brand-new mobile app and web over a common trading API. In this role, you will work in an Agile fashion to deliver and own a new App or Web customer journey with a shared, headless API model back-end.
        We provide a comprehensive range of currency services and products, including our Currency Converter, Market Analysis, Currency Data API and quick, easy, secure Money Transfers for individuals and businesses. Your team will be expected to build and own a brand-new mobile app and web over a common trading API. In this role, you will work in an Agile fashion to deliver and own a new App or Web customer journey with a shared, headless API model back-end.
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        NEW

        26 exact matches jobs are outside your preferred location

        You will design, build, and manage API-based integrations across Google Cloud Platform, ensuring secure, scalable, and high-performing solutions. * Develop and manage RESTful API integrations using signed URLs, API Keys, and OAuth2. * Proven experience in API integration patterns and tools. * Strong knowledge of OAuth2, API Keys, and signed URL authentication methods.
        You will design, build, and manage API-based integrations across Google Cloud Platform, ensuring secure, scalable, and high-performing solutions. * Develop and manage RESTful API integrations using signed URLs, API Keys, and OAuth2. * Proven experience in API integration patterns and tools. * Strong knowledge of OAuth2, API Keys, and signed URL authentication methods.
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        NEW

        GCP Integration-Focused Developer

        Infoplus Technologies UK Ltd
        Warwick, Warwickshire
        From £450 to £500 per day Daily rates are within Inside IR35
        Develop and manage RESTful API integrations using signed URLs, API Keys, and OAuth2. Strong experience with API integration patterns and tools. Familiarity with OAuth2, API Keys, and signed URL authentication methods.
        Develop and manage RESTful API integrations using signed URLs, API Keys, and OAuth2. Strong experience with API integration patterns and tools. Familiarity with OAuth2, API Keys, and signed URL authentication methods.
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        NEW

        Senior Data Officer

        MND Association
        Spinney Hill, NN3 6BJ
        Up to £40200 per annum + plus benefits
        Ready to use your technical skills to help drive meaningful change? We're looking for a skilled and motivated Senior Data Officer to support the delivery of high-quality data operations at the Motor Neurone Disease (MND) Association. You'll play a vital role in managing and enhancing our CRM systems, ensuring data integrity, streamlining processes, and enabling colleagues across the organisation to work more effectively. This is an exciting time to join, as we prepare to implement a new CRM system that will transform the way we work. As a Senior Data Officer, you will be part of our Data & Insight team within the Finance. Working closely with colleagues in Digital, ICT and Fundraising, providing technical expertise while developing and improving data flows and reporting processes. This is a hands-on role for someone who enjoys working with data tools, scripting, and .
        Ready to use your technical skills to help drive meaningful change? We're looking for a skilled and motivated Senior Data Officer to support the delivery of high-quality data operations at the Motor Neurone Disease (MND) Association. You'll play a vital role in managing and enhancing our CRM systems, ensuring data integrity, streamlining processes, and enabling colleagues across the organisation to work more effectively. This is an exciting time to join, as we prepare to implement a new CRM system that will transform the way we work. As a Senior Data Officer, you will be part of our Data & Insight team within the Finance. Working closely with colleagues in Digital, ICT and Fundraising, providing technical expertise while developing and improving data flows and reporting processes. This is a hands-on role for someone who enjoys working with data tools, scripting, and .
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        NEWFEATURED

        C# Engineer (Blazor Experience)

        Hays
        MK1, Milton Keynes
        £350.0 - £400.0 per day + £350 - 400 per day Outside IR35
        Role OverviewOur client based in Milton Keynes is looking for a passionate and skilled C# Engineer with proven experience in Blazor to join their growing development team. This is a fantastic opportunity to work on high-performance web applications in a collaborative and innovative environment. You'll be working closely with a talented team of developers, designers, and product managers to deliver cutting-edge solutions that drive real value. Responsibilities * Build and maintain interactive, scalable web applications using Blazor and .NET technologies. * Collaborate with cross-functional teams to define, design, and implement new features. * Ensure code quality through code reviews, unit testing, and adherence to best practices. * Troubleshoot and resolve issues across the full stack. * Contribute to technical discussions and share knowledge with the wider team.
        Role OverviewOur client based in Milton Keynes is looking for a passionate and skilled C# Engineer with proven experience in Blazor to join their growing development team. This is a fantastic opportunity to work on high-performance web applications in a collaborative and innovative environment. You'll be working closely with a talented team of developers, designers, and product managers to deliver cutting-edge solutions that drive real value. Responsibilities * Build and maintain interactive, scalable web applications using Blazor and .NET technologies. * Collaborate with cross-functional teams to define, design, and implement new features. * Ensure code quality through code reviews, unit testing, and adherence to best practices. * Troubleshoot and resolve issues across the full stack. * Contribute to technical discussions and share knowledge with the wider team.
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        NEW

        DevOps Engineer

        LA International Computer Consultants Ltd
        Sheffield, South Yorkshire
        £500 - £550 per day
        Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python, GoLang, Docker and Cloud-Native services. o Building RESTful API Services.
        Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python, GoLang, Docker and Cloud-Native services. o Building RESTful API Services.
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        NEW

        Business Analyst

        Bravura Solutions UK Ltd
        Birmingham, West Midlands
        Competitive
        Platinum Pro - Tuesday, 16 September 2025 - Full time - Permanent - Birmingham - 109 - 109 Delta - Bravuras Commitment and Mission - At Bravura Solutions, collaboration, diversity and excellence matter. We value your ideas, giving you room to be curious and innovate in an exciting, fast-paced, and flexible environment. We look for many different skills and abilities, as well as how you can add value to Bravura and our culture. As a Global FinTech market leader and ASX listed company, Bravura is a trusted partner to over 350 leading financial services clients, delivering wealth management technology and products. We invest significantly in our technology hubs and innovation labs, which inspire and drive our creative, future-focused mindset. We take pride in developing cutting-edge, digital first technology solutions that support our clients to achieve financial securit
        Platinum Pro - Tuesday, 16 September 2025 - Full time - Permanent - Birmingham - 109 - 109 Delta - Bravuras Commitment and Mission - At Bravura Solutions, collaboration, diversity and excellence matter. We value your ideas, giving you room to be curious and innovate in an exciting, fast-paced, and flexible environment. We look for many different skills and abilities, as well as how you can add value to Bravura and our culture. As a Global FinTech market leader and ASX listed company, Bravura is a trusted partner to over 350 leading financial services clients, delivering wealth management technology and products. We invest significantly in our technology hubs and innovation labs, which inspire and drive our creative, future-focused mindset. We take pride in developing cutting-edge, digital first technology solutions that support our clients to achieve financial securit
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        NEW
        Techspert is a fast-growing technology scale-up based with offices across the UK, US, and Chile. Weve developed AI-driven technology to revolutionize how knowledge is indexed, identified, and sourced within the healthcare and life sciences sectors and beyond. Our mission is to disrupt the expert network industry using cutting-edge machine learning technology. Were growing rapidly. The environment here is lean and agile; we prioritize fast growth with an exciting environment to match. Successful applicants will join as early employees, with significant opportunities to impact our primary business activities. As a Senior full-stack Engineer, you will be working with full front & backend exposure to a suite of applications. * Developing new features, backend-to-frontend, that will improve our users' workflow
        Techspert is a fast-growing technology scale-up based with offices across the UK, US, and Chile. Weve developed AI-driven technology to revolutionize how knowledge is indexed, identified, and sourced within the healthcare and life sciences sectors and beyond. Our mission is to disrupt the expert network industry using cutting-edge machine learning technology. Were growing rapidly. The environment here is lean and agile; we prioritize fast growth with an exciting environment to match. Successful applicants will join as early employees, with significant opportunities to impact our primary business activities. As a Senior full-stack Engineer, you will be working with full front & backend exposure to a suite of applications. * Developing new features, backend-to-frontend, that will improve our users' workflow
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        NEW
        Sheffield, United Kingdom * 2220 - Job Description Overview - We are seeking a highly skilled and experienced QA Software Engineer with a strong background in using Playwright for end-to-end testing. The ideal candidate will play a critical role in ensuring the quality and reliability of our software solutions by designing, implementing, and maintaining automated test scripts. You will collaborate closely with developers, product managers, and QA teams to create efficient and scalable testing processes. Why Join Us? * Competitive salary and benefits package. * Opportunity to work on cutting-edge technologies and projects. * Supportive and collaborative work environment. * Commitment to professional development and continuous learning. If you are passionate about automation, dedicated to delivering high-quality software, and eager to make a significant impact, wed love
        Sheffield, United Kingdom * 2220 - Job Description Overview - We are seeking a highly skilled and experienced QA Software Engineer with a strong background in using Playwright for end-to-end testing. The ideal candidate will play a critical role in ensuring the quality and reliability of our software solutions by designing, implementing, and maintaining automated test scripts. You will collaborate closely with developers, product managers, and QA teams to create efficient and scalable testing processes. Why Join Us? * Competitive salary and benefits package. * Opportunity to work on cutting-edge technologies and projects. * Supportive and collaborative work environment. * Commitment to professional development and continuous learning. If you are passionate about automation, dedicated to delivering high-quality software, and eager to make a significant impact, wed love
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        NEW

        Senior Software Engineer

        TESTQ Technologies Ltd
        Sheffield, South Yorkshire
        Competitive
        Design develop and maintain highly available secure and performant backend REST API services along with frontend client using Python GoLang Docker and CloudNative services * oBuilding RESTful API Services
        Design develop and maintain highly available secure and performant backend REST API services along with frontend client using Python GoLang Docker and CloudNative services * oBuilding RESTful API Services
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        NEW
        2+ years of in a few of the areas: serverless architecture, event-driven architecture, microservices, API-driven cloud-based products including performance management.
        2+ years of in a few of the areas: serverless architecture, event-driven architecture, microservices, API-driven cloud-based products including performance management.
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        NEW
        2+ years of in a few of the areas: serverless architecture, event-driven architecture, microservices, API-driven cloud-based products including performance management.
        2+ years of in a few of the areas: serverless architecture, event-driven architecture, microservices, API-driven cloud-based products including performance management.
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        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
        Collaborate with Ops Tech to manage API use, system performance, and platform scalability. * Working knowledge of JavaScript or Python for API interactions for customizations.
        Collaborate with Ops Tech to manage API use, system performance, and platform scalability. * Working knowledge of JavaScript or Python for API interactions for customizations.
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        NEW
        You'll drive key capabilities like multi-tenancy, RBAC, and API experiences to meet the needs of our largest enterprise customers and MSSP partners. As a Lead Product Manager, your primary responsibility will be to own critical enterprise capabilities including multi-tenancy experiences, user access management (RBAC and data access control), API experiences, and foundational account infrastructure. * Strong understanding of enterprise platform requirements, particularly in multi-tenant environments, role-based access control (RBAC), identity and access management (IAM), and API development.
        You'll drive key capabilities like multi-tenancy, RBAC, and API experiences to meet the needs of our largest enterprise customers and MSSP partners. As a Lead Product Manager, your primary responsibility will be to own critical enterprise capabilities including multi-tenancy experiences, user access management (RBAC and data access control), API experiences, and foundational account infrastructure. * Strong understanding of enterprise platform requirements, particularly in multi-tenant environments, role-based access control (RBAC), identity and access management (IAM), and API development.
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        Role & Responsibilities - Role Overview - As a Junior Backend Engineer at Grabyo; you will have exposure to the backend APIs and services that power the core of the Grabyo Platform. Some days, you might be part of the team behind key features like building markers in the Live clipping or AI-powered highlights workflows. Other days, you could contribute to evolving our architecture as we advance towards a scalable, microservices-based platform. Java, Spring, Go, Node.js, NoSQL, serverless architectures, microservices, Terraform, AWS SAM, DynamoDB, media processing, Terraform, AWS Lambda these are a few of the state-of-the-art techs you will be working with - To make sure you keep growing your knowledge around tech, we provide you with professional development opportunities like Hackathons, development budget and pair programming days to improve our automated testing cu
        Role & Responsibilities - Role Overview - As a Junior Backend Engineer at Grabyo; you will have exposure to the backend APIs and services that power the core of the Grabyo Platform. Some days, you might be part of the team behind key features like building markers in the Live clipping or AI-powered highlights workflows. Other days, you could contribute to evolving our architecture as we advance towards a scalable, microservices-based platform. Java, Spring, Go, Node.js, NoSQL, serverless architectures, microservices, Terraform, AWS SAM, DynamoDB, media processing, Terraform, AWS Lambda these are a few of the state-of-the-art techs you will be working with - To make sure you keep growing your knowledge around tech, we provide you with professional development opportunities like Hackathons, development budget and pair programming days to improve our automated testing cu
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        NEW
        The Senior Backend Engineer is responsible for building and maintaining the server-side systems that power DRESTs luxury mobile game and supporting platform. This role plays a critical part in the performance, reliability, and scalability of our backend architecture, ensuring smooth operation of our live services and enabling feature delivery across the organisation. As a hands-on contributor, the Senior Backend Engineer designs, implements, and optimises backend services, collaborating closely with client, DevOps, and data teams. Reporting to the Lead Backend Engineer, you will also support technical planning and mentor other engineers, helping to shape the future of backend engineering at DREST. What you will be accountable for * Delivering high-quality, maintainable backend code and features on time, aligned with established codebase architectural standards and cov
        The Senior Backend Engineer is responsible for building and maintaining the server-side systems that power DRESTs luxury mobile game and supporting platform. This role plays a critical part in the performance, reliability, and scalability of our backend architecture, ensuring smooth operation of our live services and enabling feature delivery across the organisation. As a hands-on contributor, the Senior Backend Engineer designs, implements, and optimises backend services, collaborating closely with client, DevOps, and data teams. Reporting to the Lead Backend Engineer, you will also support technical planning and mentor other engineers, helping to shape the future of backend engineering at DREST. What you will be accountable for * Delivering high-quality, maintainable backend code and features on time, aligned with established codebase architectural standards and cov
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        NEW
        At Convergence Group, weve spent the last 20 years building a business that lasts - powered by resilience, continuous improvement, and a product-led mindset. Now, were scaling fast and shaking up an industry thats ripe for innovation. As a Software Engineer at Convergence, youll play a key role across the entire software development lifecycle, from planning and architecture through delivery and maintenance. Youll help us evolve our connectivity products and internal tools using modern technologies -while contributing to an engineering culture that values clean code, autonomy, and continuous improvement. * Build and maintain high-quality, scalable web applications using C#, JavaScript, web development frameworks and libraries (e.g. React, Next.js, Blazor), and Azure services. * Design intuitive front-end experiences and robust back-end logic with seamless client-server
        At Convergence Group, weve spent the last 20 years building a business that lasts - powered by resilience, continuous improvement, and a product-led mindset. Now, were scaling fast and shaking up an industry thats ripe for innovation. As a Software Engineer at Convergence, youll play a key role across the entire software development lifecycle, from planning and architecture through delivery and maintenance. Youll help us evolve our connectivity products and internal tools using modern technologies -while contributing to an engineering culture that values clean code, autonomy, and continuous improvement. * Build and maintain high-quality, scalable web applications using C#, JavaScript, web development frameworks and libraries (e.g. React, Next.js, Blazor), and Azure services. * Design intuitive front-end experiences and robust back-end logic with seamless client-server
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        What is the average salary for API in Leicester?

        Average salary per year
        £42,499

        The average salary for a API in Leicester is £42,499. API in Leicester salaries range from £33,124 to £47,499.

        Frequently Asked Questions

        How many contract API jobs are there in Leicester?
        There are 1 contract API jobs within 20 miles of Leicester available on CWJobs right now.

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