51 to 75 of 166 API Design Jobs in England

business-critical integration platform. Partner with senior technology stakeholders to ensure alignment with enterprise architecture principles and future technology strategy. Define architecture standards, design patterns, and engineering best practices. Provide hands-on technical leadership while remaining actively involved in solution design and development. Design secure, scalable, event … large-scale enterprise environments. Strong software engineering background with C# and .NET Core. Experience designing and implementing microservices architectures. Strong understanding of Domain-Driven Design (DDD). Expertise in API design, security, governance, and API Management technologies. Experience with messaging technologies such as RabbitMQ, Kafka ...

solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. We are passionate about user-centred design, agile delivery, and building digital services that make a real difference. Our teams work at the forefront of innovation, helping organisations transform and deliver … government client. As a Senior Developer, you will bring strong hands-on experience across both .NET and Python, contributing to cloud-native API development, Legacy modernisation, and DevSecOps practices - all within a Microsoft Azure environment and aligned to the highest engineering and security standards. Key Responsibilities Design, develop ...

senior individual contributor who combines hands-on Java development with architectural leadership, remaining close to implementation and setting the technical standard through design, code-level guidance, and practical problem solving. Design, build, and evolve highly available, high-throughput, zero-downtime systems and internet-facing APIs that can scale … securely for large retail and external client volumes. Lead architectural decisions across API design, domain modelling, integration patterns, resilience, observability, and operational robustness, ensuring the platform is fit for 24/7 global production use. Work across multiple software engineering teams to drive consistency in engineering standards, development ...

scale. EY has been selected for the inaugural Frontier Firm AI Initiative — a collaboration between Microsoft and Harvard’s Digital Data Design Institute — recognising EY’s leadership in shaping enterprise-grade human–AI operating models. In parallel, EY is expanding its collaboration with OpenAI and Microsoft, bringing advanced … adoption. However, many struggle to translate ideas into secure, scalable and reliable production solutions. As a Forward Deployed Engineer, you will contribute to the design and delivery of AI-enabled systems that operate reliably in enterprise environments. Working within a delivery squad, you will take ownership of defined engineering ...

someone who thrives in a scaling environment and enjoys balancing delivery with long-term system design. Key Responsibilities Backend Architecture & Development Own the design and evolution of backend services, including architecture, coding standards, and system design Build and maintain production-grade services using modern backend technologies (e.g. … TypeScript/Node.js or equivalent backend environments Deep familiarity with AWS and cloud-native architectures (e.g. Lambda, containers, managed databases) Strong understanding of: System design and distributed systems Database design and performance optimisation API design and service architecture Experience working in product-led, agile environments ...

Python (pyspark): Experience with data pipelines and analytics is a plus. Power BI: Familiarity with developing dashboards and data models. Architecture: Knowledge of microservices, API design, and event-driven architectures. DevOps/CI/CD: Experience with Azure DevOps, GitLab, GitHub Actions, or similar tools. Cloud Platforms: Proficient … Azure preferred). Databases: Strong skills in SQL Server, PostgreSQL, or other relational databases. containerisation: Experience with Docker and Kubernetes. Key Responsibilities Design & Develop: Create and maintain full stack applications using React JS and C#.NET Core. Build Services: Develop high-performance backend services and RESTful APIs with a focus ...

Overview A global enterprise organisation is looking to hire a Full Stack Engineer/Technical Lead to drive the design and delivery of an internal AI-enabled platform focused on workflow automation and support operations. This role blends hands-on engineering with technical leadership, owning delivery across frontend, backend … scalability, security, and resilience Full Stack Engineering Build user-facing applications for internal users and support teams Develop backend services, APIs, and workflow engines Design and implement AI-powered workflows using LLMs Build features such as chat interfaces, task automation, and case management Implement guardrails, error handling, fallback logic ...

solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. We are passionate about user-centred design, agile delivery, and building digital services that make a real difference. Our teams work at the forefront of innovation, helping organisations transform and deliver … work package, ensuring the delivery of secure, maintainable, and high-quality software aligned with client engineering standards. Key Responsibilities Technical Leadership Lead the technical design and implementation of features across cloud and data centre work packages. Define and enforce coding standards, code review processes, and secure development practices ...

embedded delivery team supporting client's technology and product teams as a senior technical lead within an agile environment. What You'll Do Design, build, and maintain scalable, production-grade software across web, API, and data layers Own technical delivery end-to-end from requirements gathering through … stack Strong proficiency in at least two languages (e.g. Python, TypeScript, C#, Node.js), with confidence picking up others as needed Solid grounding in RESTful API design, microservices architecture, and cloud-native development (Azure preferred) Proven experience with CI/CD pipelines, (Docker/Kubernetes), and DevOps practices Strong ...

platform UI conventions, standards, and accessibility guidelines Optimise rendering performance for data-heavy, frequently updating views Architect and maintain a scalable component library and design system Implement robust state management for complex, real-time application state Design & work with, SQL database schemas (tables, relationships, indexes, constraints), data modeling … platform (DOM, layout, rendering pipeline) Solid experience with state management solutions (e.g. Redux, Zustand, Pinia, or similar) Proficiency in CSS/SCSS and responsive design, including CSS Grid and Flexbox Experience with RESTful and WebSocket API integration on the client side Familiarity with modern frontend build tooling (e.g. ...

participate in redesigning our core products, working across greenfield and legacy solutions. Your expertise will influence every stage of the product lifecycle—from initial design to deployment, ensuring we meet the evolving needs of our customers with innovative, reliable software. Required Skills: Strong experience in C# and .Net Core … development Proficiency with Web API design and development Solid understanding of REST principles and SOLID design patterns Hands-on experience with Docker, Kubernetes, and cloud platforms such as AWS or Azure Familiarity with Typescript and React (desirable) Knowledge of SQL and NoSQL databases Experience with TDD, Agile ...

Spring Boot background to support customer-specific delivery workstreams and wider digital transformation projects. The role requires hands-on architecture experience across modern service design, integration, cloud-hosted platforms and delivery governance. The successful candidate will help shape robust, maintainable and scalable services, working closely with engineering teams, delivery … Boot services and supporting platform components. Produce high-quality architecture artefacts including HLDs, LLDs, roadmaps, integration patterns, sequence diagrams and data models. Lead technical design governance, ensuring alignment with enterprise architecture principles, GDS Service Standard and delivery best practice. Provide technical assurance across delivery teams, suppliers and stakeholders. ...

work on impactful features that directly shape our platform and make a real difference to our customers. What you’ll do Design, build, and ship high-quality front-end features using TypeScript and Vue.js. Own features end-to-end: translating product requirements and Figma prototypes into intuitive user experiences … applications. Strong experience with TypeScript and Vue.js, ideally in complex SaaS or B2B product environments. Solid understanding of modern front-end architecture: component design, state management, routing, API integration, testing, and performance. Experience building maintainable design systems or reusable component libraries. Comfortable working closely with APIs, understanding ...

work on impactful features that directly shape our platform and make a real difference to our customers. What you’ll do Design, build, and ship high-quality front-end features using TypeScript and Vue.js. Own features end-to-end: translating product requirements and Figma prototypes into intuitive user experiences … applications. Strong experience with TypeScript and Vue.js, ideally in complex SaaS or B2B product environments. Solid understanding of modern front-end architecture: component design, state management, routing, API integration, testing, and performance. Experience building maintainable design systems or reusable component libraries. Comfortable working closely with APIs, understanding ...

work on impactful features that directly shape our platform and make a real difference to our customers. What you’ll do Design, build, and ship high-quality front-end features using TypeScript and Vue.js. Own features end-to-end: translating product requirements and Figma prototypes into intuitive user experiences … applications. Strong experience with TypeScript and Vue.js, ideally in complex SaaS or B2B product environments. Solid understanding of modern front-end architecture: component design, state management, routing, API integration, testing, and performance. Experience building maintainable design systems or reusable component libraries. Comfortable working closely with APIs, understanding ...

work on impactful features that directly shape our platform and make a real difference to our customers. What you’ll do Design, build, and ship high-quality front-end features using TypeScript and Vue.js. Own features end-to-end: translating product requirements and Figma prototypes into intuitive user experiences … applications. Strong experience with TypeScript and Vue.js, ideally in complex SaaS or B2B product environments. Solid understanding of modern front-end architecture: component design, state management, routing, API integration, testing, and performance. Experience building maintainable design systems or reusable component libraries. Comfortable working closely with APIs, understanding ...

Ireland providing specialist services to a wide range of blue-chip clients. The role We are seeking technical polyglots who enjoy both technical architectural design, hands-on coding and peer reviews, though also like the idea of the equally important social/client-facing aspect of the role. … development architecture as well as supporting business analysts and product owners in planning and story-mapping for new development. You will act as technical design authority (TDA) for delivery of technical stories and produce technical documentation artefacts to support the delivery process. Main Responsibilities Duties will include: The design ...

products, content and services millions of people love. And we do it all right here at Sky. As a Senior Developer , you will design, build, and scale an AI Operations platform supporting Sky and NBCUniversal. You will focus on alert ingestion, correlation, and intelligent automation using full-stack development … this role we offer the hybrid working approach with 2 days a week onsite in Osterley/Leeds office . What you'll do Design, build and maintain full-stack software solutions using Golang and Python, spanning services, APIs and automation components Contribute to the architecture and evolution ...

Java, Python, React , and MongoDB to join a high-performing engineering team . You will work across the full development lifecycle, contributing to the design, build, and delivery of high-quality software solutions. The role requires strong technical expertise, proactive problem-solving, and the ability to collaborate effectively … multidisciplinary teams. Key Responsibilities Design, develop, test, and deploy high-quality software solutions using Java , Python , React , and MongoDB . Participate in solution design, estimation, and technical decision-making. Develop reusable components and shared services. Work within Agile teams to support sprint planning, refinement, and retrospectives. Ensure code ...

occasional out-of-hours support. Ensure unit tests are implemented and fit for purpose. Research and evaluate new technologies that could benefit the organisation. Design and develop high-quality Python software that meets complex business needs. Ensure code, documentation, and testing align with engineering standards. Deliver solutions that meet … expectations, and operational reliability. Integrate products with monitoring and support tooling. Experience/Skills required: Experienced Senior Engineer who can make sound trade-offs, design for scale, and contribute to complex systems without over-engineering. Strong engineering judgement and real-world delivery experience. Senior-level experience designing and building ...

deliver the roadmap for horizontal platform capabilities serving all private markets asset classes - including core data services, cross-fund analytics, workflow automation, and API infrastructure. Lead initiatives in AI/ML-enabled product features, including document extraction (e.g., fund documents, LP agreements, investment memos), NLP-powered search, and intelligent … reporting cycles. Demonstrated experience owning platform-level or infrastructure product workstreams with high technical complexity. Familiarity with data architecture concepts: data modeling, ETL pipelines, API design, and event-driven systems. Experience with agile development methodologies; strong proficiency with product management tools (Jira, Confluence, Productboard, or similar). Exceptional ...

product and infrastructure development. This is a broad, hands-on engineering role for someone who is comfortable moving between user-facing product work, backend API design, database modelling, cloud infrastructure, Kubernetes workloads, and deployment pipelines. You will work close to the core product: building interfaces scientists use every … platform as it moves from pilots into production customer environments. ## What you'll do - Build product features across React, Next.js, and TypeScript. - Design, build, and maintain backend Python backend services and APIs. - Own PostgreSQL database design, data modelling, schema migrations, and query performance. - Build and maintain infrastructure ...

solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. We are passionate about user-centred design, agile delivery, and building digital services that make a real difference. Our teams work at the forefront of innovation, helping organisations transform and deliver … solutions align with client architectural principles, reference architecture, and approved integration patterns. Act as the primary technical authority between delivery teams and client Technical Design Authority (TDA). KEY RESPONSIBILITIES Define and govern solution architecture across cloud, data centre, and hybrid work packages in line with UKHO architecture principles ...

agile squad, responsible for the end-to-end delivery of scalable web applications. What You’ll Do (Responsibilities) End-to-End Development: Design and develop high-volume, low-latency applications for mission-critical systems. Back-End Excellence: Write clean, maintainable code using Java and the Spring Boot ecosystem. Front … Innovation: Build responsive, user-friendly UI components using React, Angular, or Vue.js . Database Management: Design and optimize schemas for relational ( PostgreSQL/MySQL ) and NoSQL databases. API Design: Build and consume secure RESTful APIs to integrate with internal and third-party services. Collaboration: Participate in code ...

products, content and services millions of people love. And we do it all right here at Sky. As a Senior Developer , you will design, build, and scale an AI Operations platform supporting Sky and NBCUniversal. You will focus on alert ingestion, correlation, and intelligent automation using full-stack development … this role we offer the hybrid working approach with 2 days a week onsite in Osterley/Leeds office . What you'll do Design, build and maintain full-stack software solutions using Golang and Python, spanning services, APIs and automation components Contribute to the architecture and evolution ...