201 to 225 of 282 API Design Jobs in the UK excluding London

collaborate directly with key business stakeholders, translating their needs into technical requirements and delivering elegant, scalable solutions that make a real impact. What You’ll Do Work closely with design, product, and data teams to translate stakeholder goals into functional and technical requirements , ensuring clarity between business need and technical delivery. Design and develop intelligent, adaptive web platforms … stack development using React, TypeScript/JavaScript, and modern cloud environments (AWS, GCP, or similar). Experience working with headless CMS platforms such as Storyblok, and strong understanding of API design (REST/GraphQL). Proven ability to collaborate with non-technical stakeholders , distilling abstract ideas into actionable plans and measurable outcomes. Familiarity with AI-enhanced development environments More ❯

collaborate directly with key business stakeholders, translating their needs into technical requirements and delivering elegant, scalable solutions that make a real impact. What You’ll Do Work closely with design, product, and data teams to translate stakeholder goals into functional and technical requirements , ensuring clarity between business need and technical delivery. Design and develop intelligent, adaptive web platforms … stack development using React, TypeScript/JavaScript, and modern cloud environments (AWS, GCP, or similar). Experience working with headless CMS platforms such as Storyblok, and strong understanding of API design (REST/GraphQL). Proven ability to collaborate with non-technical stakeholders , distilling abstract ideas into actionable plans and measurable outcomes. Familiarity with AI-enhanced development environments More ❯

developing cutting-edge wearable and connected health technology thats transforming how specific physiological conditions are monitored and managed. Their intelligent devices are redefining possibilities in patient care, blending innovative design with real-world impact. As part of their continued growth, they are now seeking a highly skilled Full Stack Developer to join their growing team. This is a fantastic … opportunity for an experienced engineer who enjoys working across the stack, contributing to the design, development, and deployment of innovative web and mobile applications that support next-generation connected medical systems. Youll work closely with technical and clinical teams to translate complex requirements into scalable, user-focused solutions while helping to shape the companys software architecture and development practices. … Key Responsibilities: Design, develop, and maintain scalable and secure web and mobile applications using Nuxt, Vue, and Ionic/Vue. Build and integrate APIs across mobile, web, and cloud platforms. Ensure performance, scalability, and security of deployed applications. Collaborate with firmware, hardware, and data teams to deliver end-to-end solutions. Write clean, testable, and well-documented code following More ❯

a regular on-site presence (2 days onsite). Key Skills: - 5 years professional experience with TypeScript, JavaScript, and Node.js - Experience with frameworks such as React and NextJS, and API Design - Excellent communication skills with stakeholders and team members - Solid understanding of web development fundamentals and performance optimisation techniques - Ability to design, develop, test, deploy, and continuously More ❯

cloud services is advantageous. Microservices and Distributed Systems : Deep understanding of microservices architecture and distributed systems, including knowledge of Back-end For Front-end (BFF) architecture (a plus). API Design and Development : Solid experience in designing and developing RESTful APIs, ensuring they are scalable, secure, and efficient. More ❯

cloud services is advantageous. Microservices and Distributed Systems : Deep understanding of microservices architecture and distributed systems, including knowledge of Back-end For Front-end (BFF) architecture (a plus). API Design and Development : Solid experience in designing and developing RESTful APIs, ensuring they are scalable, secure, and efficient. More ❯

cloud services is advantageous. Microservices and Distributed Systems : Deep understanding of microservices architecture and distributed systems, including knowledge of Back-end For Front-end (BFF) architecture (a plus). API Design and Development : Solid experience in designing and developing RESTful APIs, ensuring they are scalable, secure, and efficient. More ❯

months IR35 Status: Inside IR35 Start Date: ASAP Location: Hybrid (occasional travel to Croydon, infrequent) Security Clearance: SC Cleared (Current) Key Skills: Strong background in software architecture RESTful API design, ideally for UI integration Event-driven architecture patterns Familiarity with AWS and Kubernetes Experience with SQL and NoSQL databases Ability to communicate complex technical concepts to non-technical More ❯

months IR35 Status: Inside IR35 Start Date: ASAP Location: Hybrid (occasional travel to Croydon, infrequent) Security Clearance: SC Cleared (Current) Key Skills: Strong background in software architecture RESTful API design, ideally for UI integration Event-driven architecture patterns Familiarity with AWS and Kubernetes Experience with SQL and NoSQL databases Ability to communicate complex technical concepts to non-technical More ❯

months IR35 Status: Inside IR35 Start Date: ASAP Location: Hybrid (occasional travel to Croydon, infrequent) Security Clearance: SC Cleared (Current) Key Skills: Strong background in software architecture RESTful API design, ideally for UI integration Event-driven architecture patterns Familiarity with AWS and Kubernetes Experience with SQL and NoSQL databases Ability to communicate complex technical concepts to non-technical More ❯

vision. Other Highly Desirable, But Not Essential Skills Are Background in Software development, data science, or data engineering. Exposure to cloud platforms (e.g., AWS, Azure, GCP). Understanding of API design, microservices architecture, or event-driven systems. Experience in B2B enterprise software environments with complex stakeholder landscapes. Product management certification (e.g., CSPO, Pragmatic Institute, AIPMM). Degree-educated More ❯

solutions for both public and private sector programmes - and we're looking for an Integration Engineer to join our growing Software & Integration team. As an Integration Engineer, you'll design, build, and document integrations across multiple cloud platforms, enabling seamless data flow between critical systems. You'll collaborate with a diverse team of software engineers, cloud architects, business analysts … and QA specialists to deliver scalable, secure, and maintainable integration solutions that drive real-world impac t. Design, develop, and implement integrations in AWS and Azure , including low-code environments. Hands-on experience with low-code/no-code integration platforms (AWS, Azure, Power Automate, or MuleSoft Composer). Strong understanding of cloud architectures in AWS and/or … Azure. Familiarity with API design , REST/SOAP services , and event-driven architectures . Proven ability to document technical solutions and data flows. Good knowledge of DevOps principles , CI/CD , and version control . Experience integrating systems such as ServiceNow, SAP, Salesforce, or Pega .If you're passionate about Integration - this is a project you'll want More ❯

hands-on role, with a mix of product development and application support. Responsible for configuring, supporting and fixing live products. Internally, we call this role Python Developer. Your responsibilities Design, develop, and maintain high-quality software applications using Python, Django and related technologies. Application Support development. Collaborate with the business, to translate business, stakeholder and user needs into deliverable … least 2 years' development experience with Python. Strong SQL experience, preferably MySQL or PostgresSQL. Front-end experience with HTML, CSS & JavaScript. A good understanding of software development principles, software design patterns, and best practices. Advantageous Technical skills Experience with Django Experience and understanding of service architectures, such as micro service architecture/composable architectures. Experience of API design More ❯

We believe in the power of ingenuity to build a positive human future. We challenge where it matters and own the outcome. We combine strategic thinking, customer-centric service design, and agile engineering practices to accelerate innovation in a tech-driven world. Why consider joining our Digital & Data community? Join our Digital & Data team working alongside product, design … work with the following technologies to ensure scalable, high-performance applications: .NET (including Entity Framework 6 and Core, ASP.NET MVC and MVC Core) CSS, HTML, JavaScript/Typescript REST API design Microsoft SQL Server, MySQL, Postgres AWS What you can expect Work to agile best practices and cross-functionally with multiple teams and stakeholders. You'll be using More ❯

We believe in the power of ingenuity to build a positive human future. We challenge where it matters and own the outcome. We combine strategic thinking, customer-centric service design, and agile engineering practices to accelerate innovation in a tech-driven world. Why consider joining our Digital & Data community? Join our Digital & Data team working alongside product, design … work with the following technologies to ensure scalable, high-performance applications: .NET (including Entity Framework 6 and Core, ASP.NET MVC and MVC Core) CSS, HTML, JavaScript/Typescript REST API design Microsoft SQL Server, MySQL, Postgres AWS What you can expect Work to agile best practices and cross-functionally with multiple teams and stakeholders. You'll be using More ❯

We believe in the power of ingenuity to build a positive human future. We challenge where it matters and own the outcome. We combine strategic thinking, customer-centric service design, and agile engineering practices to accelerate innovation in a tech-driven world. Why consider joining our Digital & Data community? Join our Digital & Data team working alongside product, design … work with the following technologies to ensure scalable, high-performance applications: .NET (including Entity Framework 6 and Core, ASP.NET MVC and MVC Core) CSS, HTML, JavaScript/Typescript REST API design Microsoft SQL Server, MySQL, Postgres AWS What you can expect Work to agile best practices and cross-functionally with multiple teams and stakeholders. You'll be using More ❯

mass manufacturing system. This is a unique opportunity to contribute to the future of additive manufacturing. The Role As a Software Engineer, you’ll work across the stack to design and deliver high-performance systems used in production environments worldwide. You’ll collaborate with hardware, R&D, and product teams to build operator-facing UIs, scalable back-end services … ideas and feedback to the technical roadmap About You Background as a full-stack engineer, ideally in an industrial or product-led environment Experience delivering complex software systems from design through deployment Hands-on expertise in TypeScript, Node.js, and a front-end framework (ideally Angular) Understanding of API design and operator-facing UI development Strong debugging, problem … solving, and system design skills Excellent communication and collaboration skills with R&D and hardware teams What’s on Offer Salary: £60,000 – £65,000 DOE Enhanced pension contribution 24+ days holiday entitlement Electric vehicle and cycle schemes with free on-site charging Free on-site gym access State-of-the-art 3D printing and prototyping facilities A collaborative More ❯

mass manufacturing system. This is a unique opportunity to contribute to the future of additive manufacturing. The Role As a Software Engineer, you’ll work across the stack to design and deliver high-performance systems used in production environments worldwide. You’ll collaborate with hardware, R&D, and product teams to build operator-facing UIs, scalable back-end services … ideas and feedback to the technical roadmap About You Background as a full-stack engineer, ideally in an industrial or product-led environment Experience delivering complex software systems from design through deployment Hands-on expertise in TypeScript, Node.js, and a front-end framework (ideally Angular) Understanding of API design and operator-facing UI development Strong debugging, problem … solving, and system design skills Excellent communication and collaboration skills with R&D and hardware teams What’s on Offer Salary: £60,000 – £65,000 DOE Enhanced pension contribution 24+ days holiday entitlement Electric vehicle and cycle schemes with free on-site charging Free on-site gym access State-of-the-art 3D printing and prototyping facilities A collaborative More ❯

mass manufacturing system. This is a unique opportunity to contribute to the future of additive manufacturing. The Role As a Software Engineer, you’ll work across the stack to design and deliver high-performance systems used in production environments worldwide. You’ll collaborate with hardware, R&D, and product teams to build operator-facing UIs, scalable back-end services … ideas and feedback to the technical roadmap About You Background as a full-stack engineer, ideally in an industrial or product-led environment Experience delivering complex software systems from design through deployment Hands-on expertise in TypeScript, Node.js, and a front-end framework (ideally Angular) Understanding of API design and operator-facing UI development Strong debugging, problem … solving, and system design skills Excellent communication and collaboration skills with R&D and hardware teams What’s on Offer Salary: £60,000 – £65,000 DOE Enhanced pension contribution 24+ days holiday entitlement Electric vehicle and cycle schemes with free on-site charging Free on-site gym access State-of-the-art 3D printing and prototyping facilities A collaborative More ❯

role in our success. Your Role: Bridging Development & Customer Success As a Firmware Support Engineer, you will be responsible for the end-to-end lifecycle of our firmware, from design and development to post-deployment support. Your expertise in Modbus RTU/TCP and M-Bus will be critical. Key Responsibilities: Design & Development: Create, develop, and test firmware … Customer-Facing Support: Act as the primary technical contact for customers, providing clear, expert support on our products and protocols. Hardware Collaboration: Work with hardware teams; knowledge of PCB design and assembly is a plus for effective troubleshooting. Full Lifecycle Involvement: Participate in requirements definition, unit testing, API design, and maintaining documentation in Confluence. What We're … debugging complex system issues. Strong communication skills, with the ability to explain technical concepts clearly to customers and colleagues. Desirable Skills: Experience with IoT device development. Familiarity with PCB design, assembly, and troubleshooting. Knowledge of test automation frameworks. What We Offer You: Competitive Salary: A competitive package of up to £50,000, dependent on your experience. Specialist Role: Become More ❯

us scale new features across a rapidly growing user base. Expect a fast-paced, high-autonomy role where your work directly impacts the future of the product. Key Responsibilities Design and implement new backend endpoints and services using Python and FastAPI building on the existing codebase Build and maintain scalable REST APIs, integrating PostgreSQL for robust data management Lead … platforms) for authentication, real-time updates, and storage Drive performance, security, and scalability best practices as we scale rapidly in the next 6–12 months Collaborate closely with Product, Design, and Frontend teams to deliver seamless and intuitive user experiences Own key architectural decisions while mentoring engineers and elevating backend engineering standards Build data-driven services and pipelines to … in a team of 4. Qualifications 3 Years of professional programming experience. Strong proficiency in Python, with a proven track record of backend development Deep experience with FastAPI, RESTful API design, and PostgreSQL Hands-on experience developing scalable systems and backend architectures Familiarity with Langchain, AI, or LLM tooling is a strong plus Proficiency with Docker, GitHub, and More ❯

us scale new features across a rapidly growing user base. Expect a fast-paced, high-autonomy role where your work directly impacts the future of the product. Key Responsibilities Design and implement new backend endpoints and services using Python and FastAPI building on the existing codebase Build and maintain scalable REST APIs, integrating PostgreSQL for robust data management Lead … platforms) for authentication, real-time updates, and storage Drive performance, security, and scalability best practices as we scale rapidly in the next 6–12 months Collaborate closely with Product, Design, and Frontend teams to deliver seamless and intuitive user experiences Own key architectural decisions while mentoring engineers and elevating backend engineering standards Build data-driven services and pipelines to … in a team of 4. Qualifications 3 Years of professional programming experience. Strong proficiency in Python, with a proven track record of backend development Deep experience with FastAPI, RESTful API design, and PostgreSQL Hands-on experience developing scalable systems and backend architectures Familiarity with Langchain, AI, or LLM tooling is a strong plus Proficiency with Docker, GitHub, and More ❯

us scale new features across a rapidly growing user base. Expect a fast-paced, high-autonomy role where your work directly impacts the future of the product. Key Responsibilities Design and implement new backend endpoints and services using Python and FastAPI building on the existing codebase Build and maintain scalable REST APIs, integrating PostgreSQL for robust data management Lead … platforms) for authentication, real-time updates, and storage Drive performance, security, and scalability best practices as we scale rapidly in the next 6–12 months Collaborate closely with Product, Design, and Frontend teams to deliver seamless and intuitive user experiences Own key architectural decisions while mentoring engineers and elevating backend engineering standards Build data-driven services and pipelines to … in a team of 4. Qualifications 3 Years of professional programming experience. Strong proficiency in Python, with a proven track record of backend development Deep experience with FastAPI, RESTful API design, and PostgreSQL Hands-on experience developing scalable systems and backend architectures Familiarity with Langchain, AI, or LLM tooling is a strong plus Proficiency with Docker, GitHub, and More ❯

join them at inception of the project. This is a rare opportunity to influence best practices from the ground up, working directly with the FX Options trading desk to design and build a system that handles large volumes of market data in near real-time. Key Responsibilities: Design and develop scalable, high-performance systems using modern C# .Net … with a strong grasp of recent language features and .NET ecosystem Proven experience working with FX Options trading systems or directly with Options traders Solid understanding of systems integration, API design, and microservices architecture Experience handling large-scale market data in low-latency or real-time environments Hands-on experience converting monolithic applications into microservices Desirable: Exposure to More ❯

join them at inception of the project. This is a rare opportunity to influence best practices from the ground up, working directly with the FX Options trading desk to design and build a system that handles large volumes of market data in near real-time. Key Responsibilities: Design and develop scalable, high-performance systems using modern C# .Net … with a strong grasp of recent language features and .NET ecosystem Proven experience working with FX Options trading systems or directly with Options traders Solid understanding of systems integration, API design, and microservices architecture Experience handling large-scale market data in low-latency or real-time environments Hands-on experience converting monolithic applications into microservices Desirable: Exposure to More ❯