151 to 175 of 202 API Design Jobs in the UK excluding London

sales colleagues to understand what we are building and why. What you’ll do Ship features end-to-end using AI agents, from design through to production. Take ownership of components and projects without needing constant direction. Contribute to code reviews and architectural discussions. Maintain and improve the engineering … more senior responsibilities as you develop and the team expands. What we need from you Strong technical fundamentals. Comfortable across front-end, back-end API design, and database work. Can understand and create production quality experiences with technical and customer minded care. Ability to work independently. ...

sales colleagues to understand what we are building and why. What you will do Ship features end-to-end using AI agents, from design through to production. Take ownership of components and projects without needing constant direction. Contribute to code reviews and architectural discussions. Maintain and improve the engineering … more senior responsibilities as you develop and the team expands. What we need from you Strong technical fundamentals. Comfortable across front-end, back-end API design, and database work. Can understand and create production quality experiences with technical and customer minded care. Ability to work independently. ...

future of technology and be at the forefront of innovation? Join our dynamic team as a Full Stack Software Engineer, where you’ll design, develop, and maintain scalable software solutions in a collaborative and creative environment. This is your chance to work with cutting-edge technology, grow your skills … solutions. Technical Skills Strong understanding of Microsoft Azure services for cloud-based development. Knowledge of web security, RESTful Web Services and RESTful architecture and API design principles. Experience with modern unit testing frameworks and methodologies. Deep knowledge of software engineering concepts such as design patterns, SOLID principles ...

collaboration with Architects, The technical implementation decisions are yours to own. You will be working in a cross-functional team alongside mobile, web, QA, design and product, coaching the engineers around you and taking a leading role in refinement, planning and reviews. You’ll be the client’s main … rest of the team works to. Set projects up from scratch, including repositories, CI/CD pipelines, environments and infrastructure as code. Own API design, data modelling and third-party integration, and the contracts between your services and the teams that consume them. Own non-functional requirements, covering ...

approach into a repeatable team capability. Building security and observability into the platform from the start. Developing the technical capability of the team through design reviews, mentoring and hands-on leadership. You’ll also line-manage the team and remain accountable for delivery. Those things matter, but the reason … engineering. You won’t be asked to spend six months choosing a stack. The interesting decisions are the ones underneath it: service boundaries, API design, migration sequencing, testing strategy, engineering standards, secure-development practices, observability and how agentic development works across a team. One important constraint: our database ...

Engineer | £ | Hybrid Build the AI systems our users actually experience. We're looking for a dynamic AI Engineer (5+ years) to design, build, and deploy autonomous, user-facing AI solutions - LLM-powered applications, agentic workflows, and intelligent systems that perform reliably at scale, not just in a demo. What … Degree in Computer Science (or equivalent) with strong AI/ML/NLP foundations Strong Python skills, familiarity with Java/Kotlin, and solid API design experience Hands-on experience with LangChain, LangGraph, and LLM APIs (OpenAI, Anthropic, etc.) Skilled in prompt engineering and orchestrating AI agents/ ...

Inside Job is seeking a Senior Backend Software Engineer to help build the technology that supports Gymshark's global growth. You will design and deliver scalable back-end services using Golang and AWS serverless patterns, collaborating with Product, Data, Operations and Platform teams. You will own API design ...

tenant architecture. This is a strategic, hands-on architecture role where you'll work closely with engineering leadership to define technical standards, shape platform design and drive the adoption of modern cloud and AI technologies. What you'll do as Technical Architect: Own the platform architecture and technical roadmap … leading the transition to a scalable multi-tenant SaaS platform. Act as the technical design authority, guiding architectural decisions across APIs, integrations, data platforms and cloud services. Define modern solutions across event-driven architecture, AI, orchestration and API strategy, balancing technical excellence with commercial considerations. What ...

Entrust is seeking a Senior Software Developer (GoLang) in Cambridge for a hybrid role with on-site days. You will design, implement and deploy microservices in GoLang within a cloud-native setup, shaping API design, testing and integration with the cloud ops function. The ideal candidate brings ...

better working world. Senior Consultant - AI Tech Transformation - TC - FS The opportunity We are seeking a Senior Consultant specializing in generative AI to help design and build GenAI solutions for our clients. This is a hands-on, delivery-focused role: you will build key solution components, support the overall … Responsibilities Build and deliver GenAI solution components: RAG pipelines, prompt orchestration, tool-calling integrations, and APIs. Support the solution architecture and contribute to design decisions within your components. Ensure your components are reliable, secure, performant, and cost-aware. Contribute to delivery execution: implementation, testing, debugging, and resolution of technical ...

systems. As a CesiumAstro software team member, you will be responsible for software designs from concept through production, including product roadmaps, block diagrams, detailed design and coding, analysis, test, qualification, and in-orbit support. The ideal candidate will have development experience at nearly every level of the software stack … experience in software testing and high-reliability qualification, as well as software engineering and software project management practices. The successful candidate will present engineering design review materials to our customers and executive team, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills ...

than the strategic call Delivery & Execution Work with Product Owners (Buyer and Seller) to translate roadmap items into scoped, sequenced engineering execution Own technical design and implementation choices day to day, operating within established architectural patterns without requiring sign-off for routine work Escalate to Product Owner Heads where … mentoring, performance management Direct experience leading an engineering transformation, restructuring teams, process, or architecture, while keeping a live, revenue-generating platform running throughout Strong API design and system architecture experience Production experience with MySQL, Couchbase or MongoDB, and Redis GCP, deploying and operating live services at scale Experience ...

joining an established team where you’ll have the opportunity to work alongside other Junior and experienced developers, contributing to the design and development of new applications and features, and help maintain and improve existing systems. Responsibilities: Develop, test, and deploy efficient, scalable, and maintainable applications using C# … . 2 – 5 years of professional experience in backend development. Strong proficiency in C# and .NET Core (latest versions). Solid understanding of RESTful API design and integration. Familiarity with CI/CD pipelines and Git for version control and continuous integration. Excellent problem-solving and analytical skills ...

templates, and agentic workflows, and wire them into application logic that connects with the department's legacy and multi-cloud systems. Prompt Engineering & Evaluation Design, test, and iterate on prompts and retrieval strategies; run structured evaluations to track answer quality, retrieval accuracy, and hallucination rate over time. Responsible … build can be understood and maintained by internal government engineers. Required Skills & Experience Practical experience building applications using LLMs or other foundation models, via API or self-hosted Experience with RAG architectures, vector databases, and embedding-based retrieval Solid general-purpose programming (commonly Python) and API design ...

with support for the teams and scientists who depend on them. Key responsibilities include: Own a group of device controllers end to end, covering API design, implementation, rollout and ongoing operational health. Make services robust against the ways real instruments fail. Bring devices onto our current framework ...

translate business requirements into practical technical solutions. Define integration approaches, APIs and data flows between enterprise platforms and business systems. Support architecture governance, technical design reviews and solution assurance activities. Ensure solutions meet security, scalability, resilience and operational support requirements. Work collaboratively with internal stakeholders, delivery teams and third … party suppliers throughout the project lifecycle. Contribute to architecture standards, best practice and reusable design patterns. About You We're looking for an experienced Solution Architect with broad technical knowledge rather than a specialist in a single discipline. You'll be comfortable engaging with both technical and non-technical ...

focused on building a new platform that sits above its existing search technology stack. The project will involve creating a lightweight abstraction layer and API architecture that simplifies the user experience, whilst providing a foundation for future search platform evolution. This is an opportunity to work on a greenfield … quality solutions. Key responsibilities include: Designing and developing .NET Core services and APIs Building abstraction layers between front-end applications and search technologies Developing API services Working with Azure cloud services Designing and maintaining SQL databases Collaborating with senior stakeholders and engineers to refine requirements Contributing to architecture ...

feature or project simply because that problem needs to be solved and shipped. But that individual must work together with different engineering teams, UI design, product teams, and business leadership to make things happen, which means that engineers succeed here because they can maintain that independent spirit and motivation … responsibilities of the role? Develop core features of the Roku Channel app and Roku OS.Work closely with Product Development, UI/UX design, Platform Services, and Release Management teams to contribute to our application development. Investigate, diagnose and resolve issues. What experience would help someone be successful ...

systems. As a Cesium software team member, you will be responsible for software designs from concept through production, including product roadmaps, block diagrams, detailed design and coding, analysis, test, qualification, and in-orbit support. The ideal candidate will have development experience at nearly every level of the software stack … experience in software testing and high-reliability qualification, as well as software engineering and software project management practices. The successful candidate will present engineering design review materials to our customers and executive team, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills ...

stand-ups ensure that our engineers stay connected and aligned. As a Principal Engineer, you’ll play a visible, strategic role in driving system design and architecture decisions, mentoring team members, and helping our teams deliver high-quality solutions at scale for one of the UK's most used … least one of these platforms (Swift, Xcode, and Instruments for iOS; Kotlin, Jetpack, Android Studio for Android). Strong understanding of unit testing, RESTful API design, and a commitment to refactoring and regression test automation. Experience mentoring and coaching engineers, with a proven ability to share technical expertise ...

immediate requirement for an experienced C/Linux Software Developer. Key Skills: Software Developer, Software Engineer, C, Linux, Autotools, LDAP, Active Directory, Terraform, OpenTofu, API Location: Hybrid but must be able to reach the office near Lymington - SO41 9AZ Salary: £60,000 - £65,000 + benefits Essential Skills Experience … equitant system initialisation frameworks and how they operate at a low level Understanding of secure configuration delivery and deployment auditability of newly provisioned systems API Design & Implementation (maybe): Experience/Familiarity with: Working with OpenAPI (Swagger) specifications to define service interfaces Implementing APIs in C or similarly ...

immediate requirement for an experienced C/Linux Software Developer. Key Skills: Software Developer, Software Engineer, C, Linux, Autotools, LDAP, Active Directory, Terraform, OpenTofu, API Location: Hybrid but must be able to reach the office near Lymington - SO41 9AZ Salary: £60,000 - £65,000 + benefits Essential Skills Experience … equitant system initialisation frameworks and how they operate at a low level Understanding of secure configuration delivery and deployment auditability of newly provisioned systems API Design & Implementation (maybe): Experience/Familiarity with: Working with OpenAPI (Swagger) specifications to define service interfaces Implementing APIs in C or similarly ...

engineer. The role is hybrid in Nottingham, with responsibilities spanning AWS services and Python-based backend development. The candidate should have extensive Django experience, API design expertise (REST/GraphQL), and a strong grasp of modern development practices including TDD and Agile methodologies. #J-18808-Ljbffr ...

software delivery, and shape modern, secure architectures in a fast-paced financial services environment. Ideal candidates bring hands-on Java/Spring, API design, strong DevOps, and experience with cloud, containers, and observability. You’ll influence product decisions and drive continuous improvement in a regulated industry. #J ...

systems, or Engineering Extensive hands-on experience (10+ years) in software engineering within modern digital environments. Demonstrated expertise with cloud-native architectures, distributed systems, API design, and modern frameworks. Deep understanding of DevOps, CI/CD pipelines, and environment automation. Strong diagnostic and problem-solving skills for complex ...