1 to 25 of 156 API Development Jobs in the UK excluding London

responsible for designing, developing and maintaining software solutions that support the continued evolution of the Lima platform. This role combines full-stack software development with practical experience in AI-assisted software engineering, helping to identify opportunities where AI can improve software quality, developer productivity and innovation. The Software Developer … supports the adoption of AI-assisted development practices across the team, promoting knowledge sharing and encouraging the effective, secure and responsible use of AI technologies throughout the software development lifecycle. Working closely with the Head of Lima Development (technical leadership and delivery), the Product Manager (product strategy ...

days onsite is mandatory) Rate: £400 - £475 Role Summary We are looking for a highly skilled Application Developer with strong expertise in identity API development, data ingestion and transformation, and event-driven (Pub/Sub) architectures . This role focuses on building secure, scalable identity and access workflows … orchestrate identity provisioning and identity lifecycle management. Build policy-based orchestration workflows for adaptive authentication and contextaware access using industry standards (like OPA). API Development Design, build, and secure RESTful APIs and backend services supporting identity, provisioning, and governance workflows. Integrate APIs with our new authentication service ...

MUST BE ELIGIBLE FOR BPSS MUST BE PAYE THROUGH UMBRELLA We are looking for a highly skilled Application Developer with strong expertise in identity API development, data ingestion and transformation, and event-driven (Pub/Sub) architectures. This role focuses on building secure, scalable identity and access workflows … provisioning and identity lifecycle management. Build policy-based orchestration workflows for adaptive authentication and context-aware access using industry standards (like OPA). 2. API Development Design, build, and secure RESTful APIs and backend services supporting identity, provisioning, and governance workflows. Integrate APIs with our new authentication service ...

global business and technology consultancy seeking a API Platform Lead to work for our client within the Financial Services sector. This is initially a 6-12 month contract with the potential to extend and will be a hybrid role that will be based in Edinburgh. Our client is seeking … Platform Engineering Lead to own the strategy, engineering, governance, and operation of critical enterprise platforms, with a particular focus on API and integration capabilities. This role will lead the evolution of a global API platform, enabling secure, scalable, and reusable services across multiple product and engineering teams. ...

days a week onsite)- £40-50k depending on experience We're looking for a Mid-Level Node.js Developer to join a growing development team working on a technology led QA and automation platform. This is a hands on development role where you'll be building and improving … using Node.js and TypeScript. You'll work closely with other developers and wider technical teams in a collaborative, TDD focused environment, contributing to the development of reliable, scalable software. Skills & Experience Required- 2-3 years of commercial experience developing applications with Node.js Strong knowledge of Typescript Good understanding ...

range of well-known clients. You'll work across backend services, APIs and cloud infrastructure, while also having the opportunity to contribute to frontend development where appropriate. Working within a collaborative product team, you'll be involved throughout the software development lifecycle, helping to deliver secure, high-performing … application architecture. Contribute to technical discussions and continuous improvement initiatives. Tech Stack Essential C# .NET/.NET Core TypeScript REST APIs Microsoft Azure Backend Development API Development Desirable React Node.js Azure Functions CI/CD Infrastructure as Code Docker Microservices Headless CMS Cloud-Native Development About ...

range of well-known clients. You'll work across backend services, APIs and cloud infrastructure, while also having the opportunity to contribute to frontend development where appropriate. Working within a collaborative product team, you'll be involved throughout the software development lifecycle, helping to deliver secure, high-performing … application architecture. Contribute to technical discussions and continuous improvement initiatives. Tech Stack Essential C# .NET/.NET Core TypeScript REST APIs Microsoft Azure Backend Development API Development Desirable React Node.js Azure Functions CI/CD Infrastructure as Code Docker Microservices Headless CMS Cloud-Native Development About ...

department at Cardiff and Vale University Health Board. The successful candidate will join the Digital Service Transformation team. Our focus is on software development, integration, and interoperability. We are looking for an organised, enthusiastic and motivated individual, who can work in a rapidly changing and challenging environment. This post … Essential Degree or equivalent experience Desirable Post Graduate qualification in an I.T. related subject Experience Essential IT experience, managing all aspects of the systems development life-cycle. Management within a large complex organisation, of in-house software or API development Systems with responsibility ...

pipelines and deployment automation. Participate in peer reviews, code reviews, and design discussions. Troubleshoot and resolve application, platform, and integration issues. Support deployments across development, test, and production environments. Develop technical documentation and operational runbooks. Ensure solutions meet security, performance, scalability, and resilience requirements. Collaborate with engineering, security, architecture … Drive continuous improvement and automation across the engineering lifecycle. Required Skills & Experience Essential Strong software engineering background. Experience building cloud-native applications and services. API development expertise, including RESTful services. Experience with microservices and distributed architectures. Event-driven architecture Experience. Hands-on Experience with Kubernetes and containerised environments. ...

/d Umbrella inside IR35 About The Project The Developer Experience (DevX) Standards and Controls function is building a platform for control owners and development teams to manage/view their compliance with a range of software development controls. The candidate would be working on Kotlin and Java … built using modern coding techniques. Role purpose/summary Experience in Kotlin (or significant Java experience with a willingness to learn Kotlin) Experienced in API development, SQL/databases, HTML/Javascript Excellent writing skills and attention to detail in code Proactive person who will not wait ...

Ideally looking for experience in - expertise in LookML Semantic model Development - Development of custom visualisations using Looker API - Development of custom calculations using link vertex AI - Creation of LookML dashboards - Ability to use strong Github expertise Head of Data, Analytics & Digital Transformation Manchester City Centre, Greater ...

Development Manager (Platform) is responsible for leading the day-to-day development and delivery of SHG’s in-house reservation system, Hermes, built primarily in .NET. The role ensures highquality engineering, effective Agile ways of working, and the smooth delivery of enhancements, maintenance and integrations across the platform. … develop a team of software engineers, inherit and strengthen an established team culture, and work closely with the Solution Architect to ensure all development aligns with architectural standards and the wider technology strategy. Key Responsibilities: Manage the planning, delivery and quality of all development work on the Hermes ...

About The Role We are seeking a Senior Embedded Software Engineer to join a multi-discipline EW capability development team at our Gloucester site. This exciting opportunity allows you to work on a variety of Defence, Cyber, and Intelligence programmes, contributing to the design, development, and deployment … cutting‐edge RF systems. If you have hands‐on experience with embedded systems development – especially in the context of software defined radio applications – and are eager to advance your career in a high‐impact, innovative environment, we want to hear from you! At Lockheed Martin, we provide meaningful work ...

maintain full-stack applications – Build robust, scalable applications using Python (FastAPI/Flask), and ReactJS following best practices and design patterns• Contribute to the development lifecycle – Write clean, maintainable code, implement CI/CD pipelines with GitHub Actions, deploy to Kubernetes, and ensure quality through testing and code reviews … environments• Software Engineering Fundamentals – Strong understanding of OOP concepts, design patterns, SOLID principles, algorithms, data structures, and ability to write clean, maintainable code• Backend Development – Proficiency in Python (Pandas, FastAPI, Flask) for building enterprise applications, data processing, and API development• Frontend Development – Experience with ReactJS, Node.js ...

engineering direction of products used by thousands of organisations across the UK and internationally. This is an opportunity to combine hands-on software development with technical leadership, working with modern Microsoft technologies, AI-assisted development tools, and cloud-native architectures. Your Team You’ll work within a collaborative … across both our engineering practices and products. You'll have the opportunity to leverage tools such as GitHub Copilot while contributing to the development of intelligent capabilities within our SaaS platform. Beyond delivering great software, you’ll help mentor others, contribute to technical decision‐making, and influence ...

looking for a Senior Full-Stack Developer to play a pivotal role in leading the design, development, and deployment of complex software solutions. You will architect and maintain data engineering pipelines, backend services, APIs, demonstrate consideration for design and UI/UX when building user interfaces, delivering reliable … required, which means candidates applying for this role should either hold it or be eligible to obtain it. KEY RESPONSIBILITIES: Contribute to the design, development, and deployment of robust software solutions, promoting best practices throughout the software development lifecycle Contribute to architecting and maintaining complex data engineering pipelines ...

About The Role We are seeking a Lead SDR Engineer (Software Defined Radio) to join a multi-discipline EW capability development team at our Gloucester site. You’ll work on a variety of Defence, Cyber, and Intelligence programmes, with the opportunity to specialise in key areas such as SIGINT … software defined radio architectures, payload development, and OpenCPI applications. At Lockheed Martin, we provide meaningful work and continuous learning opportunities that will help develop your skills and progress your career. We believe in supporting a healthy work‐life balance, offering flexible work schedules, hybrid work where possible ...

Full Stack Engineer within large-scale digital transformation programmes. Strong experience delivering projects within the public sector, ideally central government. Significant hands-on Java development experience. Strong knowledge of RESTful API development and microservices architecture. Front-end development expertise using technologies such as: React Angular TypeScript ...

Full Stack Engineer within large-scale digital transformation programmes. Strong experience delivering projects within the public sector, ideally central government. Significant hands-on Java development experience. Strong knowledge of RESTful API development and microservices architecture. Front-end development expertise using technologies such as: React Angular TypeScript ...

SvcsBusiness Unit: RMS UK SvcsAbout the roleWe are seeking a Lead SDR Engineer (Software Defined Radio) to join a multi-discipline EW capability development team at our Gloucester site. You'll work on a variety of Defence, Cyber, and Intelligence programmes, with the opportunity to specialize in key areas … such as SIGINT, software defined radio architectures, payload development, and OpenCPI applications. At Lockheed Martin, we provide meaningful work and continuous learning opportunities that will help develop your skills and progress your career. We believe in supporting a healthy work-life balance, offering flexible work schedules, hybrid work where ...

experienced Senior Full Stack Engineers to join a high-performing engineering team building and enhancing modern enterprise applications. This is a hands-on development role for engineers who enjoy working across the full technology stack, delivering scalable web applications, cloud-native services, and modern user experiences. The successful candidate … will have strong Java and Front End development experience, a passion for software engineering best practices, and experience working within Agile delivery teams. Key Responsibilities Design, develop and maintain scalable enterprise applications. Build modern Front-End applications using React (preferred) or Angular. Develop secure and performant backend services using ...

hours) Salary: Dependent on experience Are you an experienced developer looking for a role where you can shape systems, drive innovation, and lead the development of cutting‐edge data solutions? We are seeking an experienced Systems & Data Developer to play a key role in the design, development, and evolution of our data and software solutions. You will lead the development of innovative products and services, champion AI technologies, and build scalable systems that support both internal and client‐facing initiatives. Key Responsibilities Lead the design, development, and maintenance of solutions using the Microsoft Power ...

develop and maintain secure, scalable and high-performance enterprise web applications. The ideal candidate must have hands-on experience in backend engineering, frontend architecture, API development, event-driven systems, databases, containerization, testing and CI/CD. The role also requires strong ownership, technical problem-solving, collaboration and mentoring … capabilities. Job Requirements Bachelors degree in Computer Science, Engineering or a related field, or equivalent education and professional experience. Minimum 10 years of software development experience with strong full stack application development exposure. Strong hands-on experience in Java-based backend development. Excellent proficiency in Spring Boot, Spring ...

Description My client, a growing Belfast-based telecommunications and technology organisation , is hiring an API Engineer to join their existing technology team. This is an excellent opportunity for an experienced Backend/API Developer to work across a varied technology environment, developing integrations and APIs that support hosted … business-system integrations , providing the successful candidate with the opportunity to work on a diverse range of technology and integration projects. As an API Engineer , you will design, develop and maintain robust APIs and backend services that enable Clarity's internal platforms, customer systems and third-party applications ...

engagements. Essential Experience Strong commercial AI Engineering experience delivering end-to-end solutions. Expertise with Azure AI/Azure AI Foundry . Strong Python development background. API development and integration experience. CI/CD, DevOps and automated testing experience. Experience supporting live AI solutions in production environments. ...