51 to 75 of 210 API Design Jobs in England

developer delight. You'll drive the governance and infrastructure that allows our internal and external APIs to evolve without chaos—and without compromising on quality. Responsibilities Lead Deel's API program across the company, establishing ownership, accountability, and operational structure. Create and enforce scalable API standards and governance practices (naming, versioning, consistency). Design and implement a … comprehensive API evaluation system to track maturity and identify gaps. Collaborate with product and engineering leaders to drive alignment on API priorities and cross-team dependencies. Ensure APIs are consistent, performant, and reliable, with a seamless experience for both internal teams and external developers. Work closely with Developer Experience engineers to ensure the right tools and processes are … in place to support API builders. Conduct customer research and internal discovery to surface integration pain points before they become problems. Own API quality conversations across the org—spot issues early, bring the right people together, and drive resolution. Be a strategic partner in defining how Deel's platform evolves to support white-label, partner, and enterprise-grade More ❯

developer delight. You'll drive the governance and infrastructure that allows our internal and external APIs to evolve without chaos—and without compromising on quality. Responsibilities Lead Deel's API program across the company, establishing ownership, accountability, and operational structure. Create and enforce scalable API standards and governance practices (naming, versioning, consistency). Design and implement a … comprehensive API evaluation system to track maturity and identify gaps. Collaborate with product and engineering leaders to drive alignment on API priorities and cross-team dependencies. Ensure APIs are consistent, performant, and reliable, with a seamless experience for both internal teams and external developers. Work closely with Developer Experience engineers to ensure the right tools and processes are … in place to support API builders. Conduct customer research and internal discovery to surface integration pain points before they become problems. Own API quality conversations across the org—spot issues early, bring the right people together, and drive resolution. Be a strategic partner in defining how Deel's platform evolves to support white-label, partner, and enterprise-grade More ❯

developer delight. You'll drive the governance and infrastructure that allows our internal and external APIs to evolve without chaos—and without compromising on quality. Responsibilities Lead Deel's API program across the company, establishing ownership, accountability, and operational structure. Create and enforce scalable API standards and governance practices (naming, versioning, consistency). Design and implement a … comprehensive API evaluation system to track maturity and identify gaps. Collaborate with product and engineering leaders to drive alignment on API priorities and cross-team dependencies. Ensure APIs are consistent, performant, and reliable, with a seamless experience for both internal teams and external developers. Work closely with Developer Experience engineers to ensure the right tools and processes are … in place to support API builders. Conduct customer research and internal discovery to surface integration pain points before they become problems. Own API quality conversations across the org—spot issues early, bring the right people together, and drive resolution. Be a strategic partner in defining how Deel's platform evolves to support white-label, partner, and enterprise-grade More ❯

developer delight. You'll drive the governance and infrastructure that allows our internal and external APIs to evolve without chaos—and without compromising on quality. Responsibilities Lead Deel's API program across the company, establishing ownership, accountability, and operational structure. Create and enforce scalable API standards and governance practices (naming, versioning, consistency). Design and implement a … comprehensive API evaluation system to track maturity and identify gaps. Collaborate with product and engineering leaders to drive alignment on API priorities and cross-team dependencies. Ensure APIs are consistent, performant, and reliable, with a seamless experience for both internal teams and external developers. Work closely with Developer Experience engineers to ensure the right tools and processes are … in place to support API builders. Conduct customer research and internal discovery to surface integration pain points before they become problems. Own API quality conversations across the org—spot issues early, bring the right people together, and drive resolution. Be a strategic partner in defining how Deel's platform evolves to support white-label, partner, and enterprise-grade More ❯

developer delight. You'll drive the governance and infrastructure that allows our internal and external APIs to evolve without chaos—and without compromising on quality. Responsibilities Lead Deel's API program across the company, establishing ownership, accountability, and operational structure. Create and enforce scalable API standards and governance practices (naming, versioning, consistency). Design and implement a … comprehensive API evaluation system to track maturity and identify gaps. Collaborate with product and engineering leaders to drive alignment on API priorities and cross-team dependencies. Ensure APIs are consistent, performant, and reliable, with a seamless experience for both internal teams and external developers. Work closely with Developer Experience engineers to ensure the right tools and processes are … in place to support API builders. Conduct customer research and internal discovery to surface integration pain points before they become problems. Own API quality conversations across the org—spot issues early, bring the right people together, and drive resolution. Be a strategic partner in defining how Deel's platform evolves to support white-label, partner, and enterprise-grade More ❯

developer delight. You'll drive the governance and infrastructure that allows our internal and external APIs to evolve without chaos—and without compromising on quality. Responsibilities Lead Deel's API program across the company, establishing ownership, accountability, and operational structure. Create and enforce scalable API standards and governance practices (naming, versioning, consistency). Design and implement a … comprehensive API evaluation system to track maturity and identify gaps. Collaborate with product and engineering leaders to drive alignment on API priorities and cross-team dependencies. Ensure APIs are consistent, performant, and reliable, with a seamless experience for both internal teams and external developers. Work closely with Developer Experience engineers to ensure the right tools and processes are … in place to support API builders. Conduct customer research and internal discovery to surface integration pain points before they become problems. Own API quality conversations across the org—spot issues early, bring the right people together, and drive resolution. Be a strategic partner in defining how Deel's platform evolves to support white-label, partner, and enterprise-grade More ❯

developer delight. You'll drive the governance and infrastructure that allows our internal and external APIs to evolve without chaos—and without compromising on quality. Responsibilities Lead Deel's API program across the company, establishing ownership, accountability, and operational structure. Create and enforce scalable API standards and governance practices (naming, versioning, consistency). Design and implement a … comprehensive API evaluation system to track maturity and identify gaps. Collaborate with product and engineering leaders to drive alignment on API priorities and cross-team dependencies. Ensure APIs are consistent, performant, and reliable, with a seamless experience for both internal teams and external developers. Work closely with Developer Experience engineers to ensure the right tools and processes are … in place to support API builders. Conduct customer research and internal discovery to surface integration pain points before they become problems. Own API quality conversations across the org—spot issues early, bring the right people together, and drive resolution. Be a strategic partner in defining how Deel's platform evolves to support white-label, partner, and enterprise-grade More ❯

SoftwareDeveloper(API Development/Backend Node.js, C#, Fullstack) Birmingham, West Midlands (Hybrid 1 day onsite a week) 55k + Benefits Were partnering with a leading enterprise software house in Birmingham that is expanding its engineering team. Theyre looking for a Software Engineer with strong API and backend development experience to work on complex, high-performing systems used by … and developing robust APIs that power enterprise software products. Youll work primarily with Node.js and C#, collaborating with cross-functional teams to deliver well-architected, maintainable solutions. Key Responsibilities Design, build, and maintain RESTful APIs and backend systems. Develop high-quality, scalable code using Node.js and C#. Collaborate with product and engineering teams to define technical solutions. Ensure best … CD. Optimise performance, security, and maintainability of backend services. Support occasional front-end integration using React (desirable, not essential). Skills & Experience 4+ years commercial experience in backend/API development. Strong expertise in Node.js and C#. Solid understanding of REST API design and implementation. Experience with cloud computing and CI/CD pipelines. Knowledge of automated More ❯

a standard backend role. We are seeking a foundational engineer to own our single greatest strategic asset: our unique, privileged access to network-level intelligence via the GSMA CAMARA API standard. This is our right to win, and you will be the engineer responsible for building the bridge to it. You will be the Critical Path Owner for Track … fraud. Key ResponsibilitiesTelco Integration & Architecture ? Own and build the Security Signal Ingestion path, the secure, low-latency, and out-of-band data channel connecting to our founding members' network API gateways. ? Architect and implement a carrier-agnostic, vendor-agnostic connector layer to consume RESTful APIs from a heterogeneous global landscape of telco partners and IMS vendors (e.g., Nokia, Ericsson … technical liaison to the engineering teams at our telco founders (Deutsche Telekom, Singtel, SKT, etc.), working hand-in-glove to navigate, validate, and productionize their new CAMARA network APIs. ? Design and build the high-throughput microservices that will query, ingest, normalize, and cache network signals (e.g., sim-swap, device-roaming-status) to be used in our real-time Scam More ❯

a standard backend role. We are seeking a foundational engineer to own our single greatest strategic asset: our unique, privileged access to network-level intelligence via the GSMA CAMARA API standard. This is our right to win, and you will be the engineer responsible for building the bridge to it. You will be the Critical Path Owner for Track … Key Responsibilities Telco Integration & Architecture ? Own and build the Security Signal Ingestion path, the secure, low-latency, and out-of-band data channel connecting to our founding members' network API gateways. ? Architect and implement a carrier-agnostic, vendor-agnostic connector layer to consume RESTful APIs from a heterogeneous global landscape of telco partners and IMS vendors (e.g., Nokia, Ericsson … technical liaison to the engineering teams at our telco founders (Deutsche Telekom, Singtel, SKT, etc.), working hand-in-glove to navigate, validate, and productionize their new CAMARA network APIs. ? Design and build the high-throughput microservices that will query, ingest, normalize, and cache network signals (e.g., sim-swap, device-roaming-status) to be used in our real-time Scam More ❯

Role Description Senior Java Developer – AWS Cloud Platform Nottingham – Hybrid Full time – permanent We are seeking a Senior Software Engineer to design, develop, and deploy scalable, secure, and high-performing applications on the AWS Cloud platform. You will play a key role in shaping new features that are both delightful and essential to users, while ensuring robust architecture and … Architecture, and Engineering teams to bring innovative ideas to life, own and lead development on team-owned components, and contribute to continuous improvement within your technical domain. Key Responsibilities Design, develop, and deploy cloud-native applications on AWS, leveraging services such as EC2, Lambda, S3, API Gateway, RDS, and CloudFormation. Collaborate with Product Management and stakeholders to translate … business requirements into technical solutions. Own and lead development of team-owned components and features, ensuring maintainability, scalability, and performance. Contribute to the design and implementation of microservices and APIs using Java, Spring Boot, and Spring Cloud. Participate in code reviews, technical discussions, and architecture design sessions to uphold engineering excellence. Ensure robust CI/CD pipelines for More ❯

Role Description Senior Java Developer – AWS Cloud Platform Nottingham – Hybrid Full time – permanent We are seeking a Senior Software Engineer to design, develop, and deploy scalable, secure, and high-performing applications on the AWS Cloud platform. You will play a key role in shaping new features that are both delightful and essential to users, while ensuring robust architecture and … Architecture, and Engineering teams to bring innovative ideas to life, own and lead development on team-owned components, and contribute to continuous improvement within your technical domain. Key Responsibilities Design, develop, and deploy cloud-native applications on AWS, leveraging services such as EC2, Lambda, S3, API Gateway, RDS, and CloudFormation. Collaborate with Product Management and stakeholders to translate … business requirements into technical solutions. Own and lead development of team-owned components and features, ensuring maintainability, scalability, and performance. Contribute to the design and implementation of microservices and APIs using Java, Spring Boot, and Spring Cloud. Participate in code reviews, technical discussions, and architecture design sessions to uphold engineering excellence. Ensure robust CI/CD pipelines for More ❯

Role Description Senior Java Developer – AWS Cloud Platform Nottingham – Hybrid Full time – permanent We are seeking a Senior Software Engineer to design, develop, and deploy scalable, secure, and high-performing applications on the AWS Cloud platform. You will play a key role in shaping new features that are both delightful and essential to users, while ensuring robust architecture and … Architecture, and Engineering teams to bring innovative ideas to life, own and lead development on team-owned components, and contribute to continuous improvement within your technical domain. Key Responsibilities Design, develop, and deploy cloud-native applications on AWS, leveraging services such as EC2, Lambda, S3, API Gateway, RDS, and CloudFormation. Collaborate with Product Management and stakeholders to translate … business requirements into technical solutions. Own and lead development of team-owned components and features, ensuring maintainability, scalability, and performance. Contribute to the design and implementation of microservices and APIs using Java, Spring Boot, and Spring Cloud. Participate in code reviews, technical discussions, and architecture design sessions to uphold engineering excellence. Ensure robust CI/CD pipelines for More ❯

platform is built for scale, reliability, and agility — and we're looking for a Senior .NET Developer who shares our drive to deliver engineering excellence. What You'll Do Design and implement high-performance, scalablemicroservicesusing.NET 6+ and C# Own features end-to-end: from concept, design, architecture, to deployment in production Collaborate with cross-functional teams on system … architecture, design reviews, and best practices ChampionSOLID, clean code, anddomain-driven design (DDD),etc. Work withAzure services, CI/CD pipelines, and containerised environments (Docker, Kubernetes) Help mentor and guide developers, contributing to a culture of technical excellence What You Bring 5+ years of hands-on experience in modern .NET (Core/6/7+) Deep understanding ofmicroservices … architectureand RESTful API design Strong grasp ofobject-oriented principles, SOLID, and clean architecture patterns Experience withcloud platforms(ideally Azure) Proficient in SQL and/or NoSQL databases, caching strategies, and performance tuning Passion for best practices: TDD, CI/CD, code reviews, and documentation A team-first mindset and the ability to lead small teams More ❯

About the Role We are seeking a highly skilled Full Stack Software Engineer with a strong focus on TypeScript to design, develop, and maintain cutting-edge applications and services. You will play a key role in building scalable, cloud-based solutions and ensuring high performance, reliability, and security across our systems. Key Responsibilities Design, develop, and maintain robust … end development experience with TypeScript and Node.js (TypeScript expertise is critical). Proven experience in full-stack development with modern technologies (React, Node). Strong understanding of software architecture , design principles, and microservices . Hands-on experience with serverless architectures , containers (Docker, Kubernetes), and CI/CD pipelines. Deep knowledge of cloud platforms (AWS, Azure, or GCP). Solid … of version control systems (Git, GitLab, GitHub). Excellent problem-solving and debugging skills. Preferred Qualifications Experience with databases such as PostgreSQL , InfluxDB, TimescaleDB, Redis. Familiarity with GraphQL , RESTful API design, and integration. Exposure to other languages (Python, Java, C/C++). Knowledge of Infrastructure as Code (IaC) and DevOps methodologies. Understanding of security best practices and More ❯

About the Role We are seeking a highly skilled Full Stack Software Engineer with a strong focus on TypeScript to design, develop, and maintain cutting-edge applications and services. You will play a key role in building scalable, cloud-based solutions and ensuring high performance, reliability, and security across our systems. Key Responsibilities Design, develop, and maintain robust … end development experience with TypeScript and Node.js (TypeScript expertise is critical). Proven experience in full-stack development with modern technologies (React, Node). Strong understanding of software architecture , design principles, and microservices . Hands-on experience with serverless architectures , containers (Docker, Kubernetes), and CI/CD pipelines. Deep knowledge of cloud platforms (AWS, Azure, or GCP). Solid … of version control systems (Git, GitLab, GitHub). Excellent problem-solving and debugging skills. Preferred Qualifications Experience with databases such as PostgreSQL , InfluxDB, TimescaleDB, Redis. Familiarity with GraphQL , RESTful API design, and integration. Exposure to other languages (Python, Java, C/C++). Knowledge of Infrastructure as Code (IaC) and DevOps methodologies. Understanding of security best practices and More ❯

envisioning the future of digital assets. We're actively building it. Mission statement We are seeking a Full Stack Web Engineer with a strong sense of UI/UX design and a proven track record in the financial services industry. Experience in the crypto or digital asset domain is highly valued. You will work across the entire technology stack … into elegant, performant solutions. Maintain consistent operational hygiene through clear documentation, smooth migrations, and predictable deployments. Explore and share emerging technologies, with particular interest in Rust, WebAssembly, and modern API frameworks. Background And Experience Proven experience building full stack web applications with strong command of both frontend and backend principles. Proficiency in modern frontend frameworks (Vue, React or similar … and design systems or component libraries such as Shadcn. Experience developing robust backend services, ideally using Rust, or familiarity with typed backend languages Solid understanding of RESTful API design, and performance optimisation in web contexts Hands-on experience with relational and/or NoSQL databases, schema design, and query optimisation. Familiarity with Git-based workflows, continuous More ❯

envisioning the future of digital assets. We're actively building it. Mission statement We are seeking a Full Stack Web Engineer with a strong sense of UI/UX design and a proven track record in the financial services industry. Experience in the crypto or digital asset domain is highly valued. You will work across the entire technology stack … into elegant, performant solutions. Maintain consistent operational hygiene through clear documentation, smooth migrations, and predictable deployments. Explore and share emerging technologies, with particular interest in Rust, WebAssembly, and modern API frameworks. Background And Experience Proven experience building full stack web applications with strong command of both frontend and backend principles. Proficiency in modern frontend frameworks (Vue, React or similar … and design systems or component libraries such as Shadcn. Experience developing robust backend services, ideally using Rust, or familiarity with typed backend languages Solid understanding of RESTful API design, and performance optimisation in web contexts Hands-on experience with relational and/or NoSQL databases, schema design, and query optimisation. Familiarity with Git-based workflows, continuous More ❯

Lead - Liverpool | Hybrid | £70,000-£80,000 DOE About the Role We're looking for a Technical Lead with deep expertise in the Microsoft technology stack to lead the design, development, and delivery of robust software solutions. This role combines hands-on technical leadership with mentorship and strategic oversight - ideal for someone who thrives at the intersection of architecture … coding, and team enablement. Key Responsibilities Lead technical design and development across projects built on the Microsoft stack (e.g., .NET Core, C#, Azure, SQL Server). Architect scalable, secure, and maintainable solutions aligned with business goals and best practices. Guide and mentor developers , performing code reviews and fostering an environment of technical excellence. Collaborate cross-functionally with product managers … with strong hands-on expertise in C# and .NET/.NET Core . Proven experience designing and delivering cloud-native applications on Microsoft Azure . Strong knowledge of RESTful API design , Microservices architecture , and event-driven systems . Proficiency with SQL Server and ORM frameworks (e.g., Entity Framework). Experience with DevOps tools (Azure DevOps, GitHub Actions, or More ❯

robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important. Responsibilities Working in a team of Front-End engineers Writing clear & concise code Working closely with Back-End engineers Participate in architecture design code reviews API design with the Back-End engineers and other team members to establish more functional, cohesive code Create, maintain documentation while implementing the best coding practices standards Hands-on approach Participation in sprint rituals What you’ll need 6+ years experience developing large-scale web applications Experience working in an agile environment Strong experience with More ❯

and event-driven systems Contribute to full-stack applications using React Work with Docker, Kubernetes, AWS/Azure Model workflows with Camunda/BPMN (or learn on the job) Design and optimise data models in PostgreSQL and MongoDB Support CI/CD, automation, and DevOps practices Collaborate with clients and internal teams; share technical expertise Essential Experience Strong Java …/Spring Boot engineering background Experience with microservices and modern API design Exposure to Docker, Kubernetes, and cloud environments (AWS) SQL/NoSQL experience (PostgreSQL, MongoDB) Strong communication and problem-solving skills Adaptable, proactive, and comfortable in a scaling organisation Security Clearance Requirements Due to the sensitive nature of projects, candidates must be eligible for SC and DV … not clock-watching Work directly with founders: High trust, high challenge, high support Shape the future: Influence engineering standards, culture, and service offerings End-to-end ownership: Autonomy to design, build, and ship meaningful work Impact that matters: Build solutions used by millions across the UK public sector Low-ego environment: Collaborative, sociable, and free from big-firm bureaucracy More ❯

The team values clean code, automation, and continuous improvement-and they're looking for someone who shares that mindset. Key responsibilities as the Senior Back-End Software Engineer are: Design and develop backend services using Node.js and TypeScript , deployed in a cloud-native environment. Build and maintain GraphQL and REST APIs to support a range of digital products and … technologies and bring innovative ideas to the team. Skills & Experience needed: Essential: Strong experience with Node.js and TypeScript Proven background in microservices architecture Solid understanding of GraphQL and RESTful API design Experience with SQL and NoSQL databases Familiarity with CI/CD, automated testing, and modern development workflows Desirable: Experience with Azure or other cloud platforms Knowledge of More ❯

software company that delivers end-to-end cloud solutions for practices and businesses. Youll work with innovative tools, a collaborative culture and meaningful career progression Role Overview: You'll design and implement the API infrastructure that enables our product, third party integrations, our users and AI services to interact with our established product portfolio. Working with autonomy and … technical ownership, you'll architect scalable, secure APIs that handle sensitive payroll and accounting data while enabling rapid deployment of AI capabilities across our business. Key Responsibilities: Design and implement RESTful APIs that expose product capabilities to AI services and third-party integrations Build production-grade APIs using C# .NET, SQL, and Azure services Write clean, maintainable, well-tested … C# .NET skillsfor building APIs and services Solid SQL knowledgeincluding database querying, basic optimization, and working with relational databases Experience building RESTful APIsfor web or mobile applications Understanding of API design principlesincluding REST conventions, HTTP methods, status codes, and error handling Familiarity with authenticationusing OAuth, JWT, or API keys Azure cloud exposure- you've worked with or More ❯

Java Application developer Responsibilities include: â Collaborate closely with geophysicists, data scientists, and software engineers to translate scientific domain requirements into robust on-prem or Cloud software solutions. â Design, develop, and maintain high-performance applications for geophysical and geological data analysis, interpretation and visualization (e.g., seismic, horizon, fault, velocity model, etc.) â Present architectural designs and technical proposals … to the architecture review board. â Ability to break down development tasks and lay out clear implementation roadmaps. â Implement and optimize computation algorithms â Design and develop both thin and thick client applications that interact with cloudbased microservices. â Ensure high code quality through unit testing, code reviews, security hardening and continuous integration with other domain tools â … software tools and formats: o SEG-Y, Landmark seismic BRICK, CMP, OpenVDS o DSG, Petrel, Kingdom, GeoFrame, or PaleoScan â Familiarity with cloud platforms and distributed computing: o Restful API design and implementation o AWS and Azure o Tools for scalable data processing: Kubernetes, Spark â Experience with Java 2D graphics and 3D OpenGL programming. â Experience with More ❯

Full-Stack Development Solid software engineering background with proficiency in Python, JavaScript/TypeScript, Java, or Go Experience with modern frameworks (React, Node.js, Django, FastAPI) Knowledge of microservices architecture, API design (REST, GraphQL) Experience with containerization (Docker, Kubernetes) and cloud-native development patterns DevOps & SRE Practices Experience implementing CI/CD pipelines and DevOps methodologies Knowledge of infrastructure More ❯