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        Leicestershire
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        134



        10 Contract API jobs in Leicester + 20 miles

        206 exact matches jobs are outside your preferred location

        Senior AI Engineer

        ARM
        Cambridge, Cambridgeshire
        Competitive
        The PE AI Transformation team is redefining how AI powers engineering at Arm! We partner with engineering teams across Arm to deliver real-world impact through applied AIboosting productivity, fueling innovation, and making powerful AI tools part of every engineers workflow. Guided by our visionengineering redefined through smarter workflows, faster execution, and greater creativitywere building systems that let technology amplify human potential. As an AI Engineer, youll be hands-on in designing, developing, and deploying AI capabilities that reshape how engineers work. Youll learn from experienced AI architects and senior engineers, gaining exposure to sophisticated system design and scaling patterns, while supplying your own technical depth to deliver robust, high-quality solutions. Youll also mentor junior peers and share practical insights gained through your wor
        The PE AI Transformation team is redefining how AI powers engineering at Arm! We partner with engineering teams across Arm to deliver real-world impact through applied AIboosting productivity, fueling innovation, and making powerful AI tools part of every engineers workflow. Guided by our visionengineering redefined through smarter workflows, faster execution, and greater creativitywere building systems that let technology amplify human potential. As an AI Engineer, youll be hands-on in designing, developing, and deploying AI capabilities that reshape how engineers work. Youll learn from experienced AI architects and senior engineers, gaining exposure to sophisticated system design and scaling patterns, while supplying your own technical depth to deliver robust, high-quality solutions. Youll also mentor junior peers and share practical insights gained through your wor
        more
        Languages & Frameworks: C#, .NET Core, ASP.NET Core MVC, Web API
        Languages & Frameworks: C#, .NET Core, ASP.NET Core MVC, Web API
        FEATURED

        Lead QA Automation Engineer, C#, Home Based

        Fdo Consulting Limited
        Lee Bank, Birmingham (B1), B1
        £55000 - £68000 per annum + home based + benefits
        Strong Automation, API, C#, and mentoring / management skills required. * UI and API Testing * Very strong API testing. * API testing - This is a great role for a candidate who has very strong C#, API testing and automation.
        Strong Automation, API, C#, and mentoring / management skills required. * UI and API Testing * Very strong API testing. * API testing - This is a great role for a candidate who has very strong C#, API testing and automation.
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        Lead platform Manager

        Salt
        Birmingham (B1)
        Up to £64500.00 per annum + + 20% Flex
        The role covers support of existing point to point integrations and API based services and the development of a strategic integration approach for internal systems and external partners. * Lead the support and stabilisation of existing integration platforms including point to point links, automated interfaces and API based services * Oversee Azure integration services including API Management, Logic Apps, Azure Monitor and other native cloud components * Strong integration delivery and engineering skills covering enterprise scale system connectivity and API development
        The role covers support of existing point to point integrations and API based services and the development of a strategic integration approach for internal systems and external partners. * Lead the support and stabilisation of existing integration platforms including point to point links, automated interfaces and API based services * Oversee Azure integration services including API Management, Logic Apps, Azure Monitor and other native cloud components * Strong integration delivery and engineering skills covering enterprise scale system connectivity and API development
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        Software Engineering Industrial Placement

        Cambridge Crystallographic Data Centre
        Cambridge, Cambridgeshire
        £25,000 - £27,000 a year
        During the first month, the student will undergo onboarding and training to become familiar with our CSD Python API product, our development tools and our team practices. Test Automation and API Testing Improvements (October - December 2026) The student will work with the Test Automation engineers to improve the testability and maintainability of our CSD Python API product and scripts using it. * Improving the overall robustness of our CSD Python API and the other dependent products - The focus will be on contributing to the development of new scientific features that will be exposed via our CSD Python API. * Collaborating with other software engineers to integrate new functionalities, written in C++ and Python, into the API The student will develop reporting scripts
        During the first month, the student will undergo onboarding and training to become familiar with our CSD Python API product, our development tools and our team practices. Test Automation and API Testing Improvements (October - December 2026) The student will work with the Test Automation engineers to improve the testability and maintainability of our CSD Python API product and scripts using it. * Improving the overall robustness of our CSD Python API and the other dependent products - The focus will be on contributing to the development of new scientific features that will be exposed via our CSD Python API. * Collaborating with other software engineers to integrate new functionalities, written in C++ and Python, into the API The student will develop reporting scripts
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        Conduct different testing types and adapt them to the project need: functional testing, regression testing, API testing, integration testing, security testing, performance testing, contract testing. * Implement and maintain automated testing framework for UI, API and AI/ML solutions. * Proficiency in UI and API test automation tools like cypress, cucumber, postman, pytest.
        Conduct different testing types and adapt them to the project need: functional testing, regression testing, API testing, integration testing, security testing, performance testing, contract testing. * Implement and maintain automated testing framework for UI, API and AI/ML solutions. * Proficiency in UI and API test automation tools like cypress, cucumber, postman, pytest.
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        Bicycle Therapeutics is a clinical-stage pharmaceutical company developing a novel class of medicines, referred to as Bicycle molecules, for diseases that are underserved by existing therapeutics. Bicycle molecules are fully synthetic short peptides constrained with small molecule scaffolds to form two loops that stabilize their structural geometry. This constraint facilitates target binding with high affinity and selectivity, making Bicycle molecules attractive candidates for drug development. The company is evaluating zelenectide pevedotin (formerly BT8009), a Bicycle Drug Conjugate (BDC) targeting Nectin-4, a well-validated tumor antigen; BT5528, a BDC molecule targeting EphA2, a historically undruggable target; and BT7480, a Bicycle Tumor-Targeted Immune Cell Agonist (Bicycle TICA) targeting Nectin-4 and agonizing CD137, in company-sponsored clinical trials.
        Bicycle Therapeutics is a clinical-stage pharmaceutical company developing a novel class of medicines, referred to as Bicycle molecules, for diseases that are underserved by existing therapeutics. Bicycle molecules are fully synthetic short peptides constrained with small molecule scaffolds to form two loops that stabilize their structural geometry. This constraint facilitates target binding with high affinity and selectivity, making Bicycle molecules attractive candidates for drug development. The company is evaluating zelenectide pevedotin (formerly BT8009), a Bicycle Drug Conjugate (BDC) targeting Nectin-4, a well-validated tumor antigen; BT5528, a BDC molecule targeting EphA2, a historically undruggable target; and BT7480, a Bicycle Tumor-Targeted Immune Cell Agonist (Bicycle TICA) targeting Nectin-4 and agonizing CD137, in company-sponsored clinical trials.
        more
        Only EU Citizens are eligible to apply for this position. Proficiency in Python - Job Overview - We are seeking a Data Engineer to design, build, and maintain robust data solutions that enable efficient data processing and analytics. The role involves developing scalable data pipelines, integrating diverse data sources, and ensuring data quality and reliability across systems. Essential Functions * Design, develop, and maintain data pipelines and ETL processes to support analytics and reporting needs. * Work with large datasets, ensuring data integrity, performance optimization , and scalability. * Collaborate with cross-functional teams to understand data requirements and deliver solutions aligned with business objectives. * Implement best practices for data modeling, storage, and retrieval . * Ensure compliance with data governance and security standards.
        Only EU Citizens are eligible to apply for this position. Proficiency in Python - Job Overview - We are seeking a Data Engineer to design, build, and maintain robust data solutions that enable efficient data processing and analytics. The role involves developing scalable data pipelines, integrating diverse data sources, and ensuring data quality and reliability across systems. Essential Functions * Design, develop, and maintain data pipelines and ETL processes to support analytics and reporting needs. * Work with large datasets, ensuring data integrity, performance optimization , and scalability. * Collaborate with cross-functional teams to understand data requirements and deliver solutions aligned with business objectives. * Implement best practices for data modeling, storage, and retrieval . * Ensure compliance with data governance and security standards.
        more
        RealVNC is the remote access platform for engineers looking for the most reliable and the most secure solution built by the creators of VNC technology. Over the last 25 years, as the inventors of VNC, we've enabled a global workforce to work wherever works and created the remote access market. Our software is used by hundreds of millions of users worldwide including IT professionals from global companies, such as Intel, IBM, NASA, Shell, DreamWorks and Philips. Our lead product, VNC Connect, allows users to connect securely to a remote device anywhere in the world, see its screen in real-time, and take control as though sitting in front of it. The product has been deployed across a myriad of use cases, from remote support through to deploying the software onto connected devices such as medical ventilators, set-top boxes, heavy industrial machinery and more.
        RealVNC is the remote access platform for engineers looking for the most reliable and the most secure solution built by the creators of VNC technology. Over the last 25 years, as the inventors of VNC, we've enabled a global workforce to work wherever works and created the remote access market. Our software is used by hundreds of millions of users worldwide including IT professionals from global companies, such as Intel, IBM, NASA, Shell, DreamWorks and Philips. Our lead product, VNC Connect, allows users to connect securely to a remote device anywhere in the world, see its screen in real-time, and take control as though sitting in front of it. The product has been deployed across a myriad of use cases, from remote support through to deploying the software onto connected devices such as medical ventilators, set-top boxes, heavy industrial machinery and more.
        more
        As a Senior BizOps Infrastructure Engineer you'll be a key player in managing our global, multi-site IT infrastructure, ensuring its smooth operation, and driving continuous improvement. You'll collaborate with 2 mid-level infrastructure engineers, a global Service Desk and Support team of 17, and a 20-member Information Security team. Your work will span a diverse technology stack, from end-user devices to cloud environments, with a focus on automation, security, and scalability. This is an exciting opportunity for a dynamic individual who thrives on meticulously designing IT architectural controls and standards, loves solving complex problems in a fast-paced environment, is passionate about cutting-edge technologies, and enjoys mentoring junior colleagues. * lead and deliver large-scale technical projects across end-user device fleets (Windows/macOS), networks, and
        As a Senior BizOps Infrastructure Engineer you'll be a key player in managing our global, multi-site IT infrastructure, ensuring its smooth operation, and driving continuous improvement. You'll collaborate with 2 mid-level infrastructure engineers, a global Service Desk and Support team of 17, and a 20-member Information Security team. Your work will span a diverse technology stack, from end-user devices to cloud environments, with a focus on automation, security, and scalability. This is an exciting opportunity for a dynamic individual who thrives on meticulously designing IT architectural controls and standards, loves solving complex problems in a fast-paced environment, is passionate about cutting-edge technologies, and enjoys mentoring junior colleagues. * lead and deliver large-scale technical projects across end-user device fleets (Windows/macOS), networks, and
        more
        Experienced Hires Birmingham Hybrid - BIRMINGHAM - Junior to Lead Business Process, Automation & Change Roles for 2026 - Join our expanding teams in Birmingham for 2026. We are recruiting across a range of business processes, automation, change and Power Platform roles to support our work with a leading financial services client undergoing large transformation and automation programmes in 2026. * Business Process Re-engineering Lead / Senior Business Analyst * Process Analyst * RPA Solution Architect / Lead Developer * RPA Developer / Junior RPA Developer * PowerPlatform Developer / Consultant * Junior Power Platform / Power Apps Developer * Business Change Manager / Adoption Lead * Change Analyst / Communications & Training Specialist - What you'll do - Business Process Re-Engineering Lead / Business Analyst - You lead end-to-end process improvement.
        Experienced Hires Birmingham Hybrid - BIRMINGHAM - Junior to Lead Business Process, Automation & Change Roles for 2026 - Join our expanding teams in Birmingham for 2026. We are recruiting across a range of business processes, automation, change and Power Platform roles to support our work with a leading financial services client undergoing large transformation and automation programmes in 2026. * Business Process Re-engineering Lead / Senior Business Analyst * Process Analyst * RPA Solution Architect / Lead Developer * RPA Developer / Junior RPA Developer * PowerPlatform Developer / Consultant * Junior Power Platform / Power Apps Developer * Business Change Manager / Adoption Lead * Change Analyst / Communications & Training Specialist - What you'll do - Business Process Re-Engineering Lead / Business Analyst - You lead end-to-end process improvement.
        more
        Bango enables content providers to reach more paying customers through global partnerships. Today, the Digital Vending Machine is driving the rapid growth of the subscriptions economy, powering choice and control for subscribers. The worlds largest content providers, including Amazon, Google and Microsoft trust Bango technology to reach subscribers everywhere. Bango, where people subscribe. Role - At Bango, the Senior Software Engineer plays a critical role in shaping, designing, and delivering the core systems that power our platform. You are responsible for defining and implementing high-quality software architectures that are reliable, scalable, and maintainable. Youll lead the design and development of services built around event-driven architectures, leveraging technologies such as Kafka, event sourcing, and stream processing to build systems that are both reacti
        Bango enables content providers to reach more paying customers through global partnerships. Today, the Digital Vending Machine is driving the rapid growth of the subscriptions economy, powering choice and control for subscribers. The worlds largest content providers, including Amazon, Google and Microsoft trust Bango technology to reach subscribers everywhere. Bango, where people subscribe. Role - At Bango, the Senior Software Engineer plays a critical role in shaping, designing, and delivering the core systems that power our platform. You are responsible for defining and implementing high-quality software architectures that are reliable, scalable, and maintainable. Youll lead the design and development of services built around event-driven architectures, leveraging technologies such as Kafka, event sourcing, and stream processing to build systems that are both reacti
        more
        We are looking for an experienced Senior NetSuite Software Engineer to join our Enterprise Systems team based in Cambridge, UK with remote or hybrid options considered. Reporting to the ERP Solutions Architect, you will take ownership of the full development lifecycle from solution design and technical documentation to development, testing, and deployment to deliver scalable, high-performing NetSuite solutions that empower our business operations. Youll collaborate closely with business stakeholders, solution architects, and cross-functional teams to translate complex requirements into elegant, maintainable NetSuite customizations and integrations. This position is ideal for someone who loves problem-solving, values their craft, and approaches challenges with a positive, can-do attitude. This role is offered on a hybrid basis, with a minimum of 3 days a week being bas
        We are looking for an experienced Senior NetSuite Software Engineer to join our Enterprise Systems team based in Cambridge, UK with remote or hybrid options considered. Reporting to the ERP Solutions Architect, you will take ownership of the full development lifecycle from solution design and technical documentation to development, testing, and deployment to deliver scalable, high-performing NetSuite solutions that empower our business operations. Youll collaborate closely with business stakeholders, solution architects, and cross-functional teams to translate complex requirements into elegant, maintainable NetSuite customizations and integrations. This position is ideal for someone who loves problem-solving, values their craft, and approaches challenges with a positive, can-do attitude. This role is offered on a hybrid basis, with a minimum of 3 days a week being bas
        more

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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 10 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 Qa Automation, Quality Assurance, Site Reliability Engineer, amongst many others.