126 to 150 of 188 API Design Jobs in the UK excluding London

company offers highly competitive remuneration, an excellent benefits package and work-life balance including hybrid work. The core requirements: • A senior software engineer’s design and coding ability and track record, judgement, mentoring and review skills. • Strong commercial-grade C# software development with awareness of modern .NET … language, and establish good patterns and factoring. • Microservice development experience – with good service factoring to reduce bloat, increase independence and separate concerns – and RESTful API design and development. • Strong communication skills to liaise with colleagues in other product teams. • A good technical degree from a top university, backed ...

development role. You will be expected to have years of experience of commercial development experience utilising: TECHNICAL SKILLS: Deep functional knowledge or hands on design experience with Web Services (REST, SOAP, etc) Understanding of API design and documentation .NET 8.0/10 (C#) .Net CORE (C#) .NET … Framework 4.7+ Angular (v2+), JavaScript Net MVC 5.0 & Web Api 2 ORM (EntityFramework/nhibernate/Dapper) MS SQL Server 2008+, DB2 Dependency injection and frameworks, e.g. Unity Practical experience with TDD and CI/CD OTHER SKILLS: An aptitude for problem analysis and resolution and eye for details. ...

distributed video recording systems and advanced reporting/analytics applications. In this role, you will be deeply involved in hands‐on development, architectural design, and cross‐studio collaboration to advance our internal ecosystem. Key Responsibilities Design & Implementation: Architect and develop robust backend solutions to meet the fast‐paced … challenges of global game development. Technical Leadership: Contribute to the team’s software design guidelines, coding standards, and architectural blueprints. Global Collaboration: Partner and collaborate with other Rockstar technology teams across our worldwide studios. Continuous Innovation: Develop a deep understanding of existing systems while researching and adopting new technologies ...

10+ Years Core requirements Senior full stack engineering capability with a strong front-end foundation: ReactJS and TypeScript Strong back-end engineering mindset (API design, integration, performance, security) AI/ML engineering skills (building and integrating AI-driven features into products; ideally with practical experience using modern model ...

Significant experience building and running production systems on AWS (or major public cloud). Architecture: Deep understanding of Microservices and event-driven architectures, including API design and contract management. Engineering Best Practices: Strong grounding in testing (Unit/Integration/E2E), CI/CD, and Observability. Communication: Excellent ...

production-quality code. Key Responsibilities You’ll play an important role in designing, building and delivering the AI platform by: Building and evolving the API gateway and routing layer connecting teams to multiple LLM providers. Developing failover, load-shedding and resilience capabilities for periods of provider degradation. Designing orchestration … registration and discovery tooling for reusable AI capabilities. Establishing API design, versioning and promotion workflows to move capabilities from experimentation into production. Implementing RBAC and OIDC-based access controls. Supporting secure API key issuance, rotation and revocation. Applying high standards across testing, observability and technical documentation. Using ...

cloud-based data platform. This is a hands-on role focused on designing, building, and improving data pipelines and services, while also contributing to API design and occasional frontend work where needed. You’ll work across the stack, primarily in Python and AWS, helping to deliver reliable, well … data through APIs, and supporting a platform that removes bottlenecks and enables better use of data across the organisation. What You’ll Be Doing Design, build, and maintain ETL/ELT pipelines in production environments Develop ingestion and egress patterns to support reliable data access and integration Work with ...

Time (Hybrid) We are looking for a hands-on Principal Engineer to join our Core AI Services team. In this role, you will help design, develop, and scale AI-enabling platform services and public APIs that are secure, reliable, and cloud-native. These services will act as foundational building … patterns and practices, eager to translate emerging tech into reliable, enterprise-ready software. Key Responsibilities: Serve as the technical authority for core services owning design, reliability and performance. Build scalable, fault-tolerant cloud-native services on Microsoft Azure, ensuring high performance and reliability. Develop secure, well-documented public APIs ...

industries, including telecommunications, utilities, and mechanical and electrical engineering. Established with a commitment to quality and innovation, MJ Quinn provides tailored solutions that integrate design, installation, maintenance, and project management. The company partners with leading organisations to execute complex projects, leveraging cutting-edge technology and a skilled workforce … while also contributing to a strong team culture and delivering outcomes that positively represent the organisation both internally and externally. KEY ROLES AND RESPONSIBILITIES Design and code clean, efficient and testable web-based applications and services. Take ownership of projects from project kick-off through to deployment and maintenance. ...

working on the underlying systems that make complex visualisations fast, accurate, and scalable. The challenges range from rendering performance and interaction design through to algorithms, graphics, API design, and numerical correctness. What you’ll be doing Designing and building core charting features used by developers around … exceptionally high technical standards High levels of ownership and autonomy Small team, significant impact Opportunity to deepen expertise in performance, graphics, visualisation, and systems design Package Salary up to £200,000 Hybrid working (London) Private healthcare Pension Additional benefits If you’re interested in building the technology behind modern ...

Strong engineering background with the ability to communicate architectural decisions to both technical and non-technical stakeholders. You create guardrails based on scope, technical design, NFRs, and quality—then empower your team to innovate within them. Client- and product-focused mindset, with experience partnering closely with Product Managers … business teams. You embrace ambiguity, foster collaboration, and promote psychological safety to help teams navigate change. Hands-on knowledge of secure API design, authentication services, and mobile development (Swift/Kotlin, React Native). Knowledge and experience of modern DevOps tools and practices. Exposure to Figma and Vercel ...

history of technical leadership. Experience across the entire solutions development lifecycle from inception, through build to Production. Appreciate and acknowledge the impact of system design decisions on scalability, resilience, and supportability. Experience of API design and architecture patterns. Experience with Public&Private Cloud Solutions, (Google CloudPlatformand Open ...

GlobalLogic in Scotland is seeking an experienced Backend Engineer to design and build robust microservices using Java 17+ and Spring Boot 3. You’ll work across the full backend stack—from API design through production-grade integration testing—delivering scalable services. You will design, implement … test REST APIs, apply domain-driven design, and work with Kafka, Gradle, MapStruct and Feign to deliver resilient services in a hybrid work environment. #J-18808-Ljbffr ...

vendor offerings and appropriate architectures and patterns for those offerings. A deep understanding of cloud-compatible architectures (such as microservices and SoA), RESTful API design considerations, and ideally, a good awareness of security and authentication considerations (OAuth is relevant). A strong academic track record including a good … addition to tailored package elements. Keywords: Principal engineer, principal software developer, C#, .NET, cloud, Azure, AWS, cloud native, containers, microservice, service-oriented, REST, API, intelligence, security, authentication, OAuth, sustainability, Cambridge, hybrid. #J-18808-Ljbffr ...

vendor offerings and appropriate architectures and patterns for those offerings. A deep understanding of cloud-compatible architectures (such as microservices and SoA), RESTful API design considerations, and ideally, a good awareness of security and authentication considerations (OAuth is relevant). A strong academic track record including a good … addition to tailored package elements. Keywords: Principal engineer, principal software developer, C#, .NET, cloud, Azure, AWS, cloud native, containers, microservice, service-oriented, REST, API, intelligence, security, authentication, OAuth, sustainability, Cambridge, hybrid. Another top job from ECM, the high-tech recruitment experts. Even if this job's not quite right ...

Service Operations, Data & Analytics, Security & Quality Compliance, Transformation, Application Development, and Enterprise Platforms. Key Responsibilities Job Overview Architecture and technical strategy Contribute to the design and architecture of core platform components and evaluation systems, making the load‐bearing technical decisions and bearing accountability for their reliability, scalability, and long … capabilities are built, evaluated, and deployed across the company, and define a coherent platform vision that scales beyond your immediate team. Design reusable abstractions, SDKs, and services for model integration, prompt management, experimentation, and deployment that establish organization‐wide patterns and reduce duplicated effort. Research and delivery excellence Help ...

them at scale. You will work on tool integration, results processing, and the services that make analysis outputs usable by engineering teams. Key Responsibilities Design, build, and maintain core backend services for centralised security analysis and data processing. Develop Python services, APIs, and workflow components that support tool onboarding … comfortable in scripting (e.g. bash). Proven experience designing, building, and operating backend services or internal platforms in production environments. Strong understanding of API design, service-to-service integration, and backend architecture. Experience working in cloud environments, ideally AWS. Experience with containers and related tooling, for example Docker. ...

platform into something scientists can drive — the services that schedule and execute runs across racks of robotic hardware, and the interfaces chemists use to design, launch, and monitor experiments. You will partner with firmware, hardware, manufacturing, and chemistry teams, and own meaningful slices of the platform end to end. … real-world robotic platform sounds like the right shape of job for you, we’d love to welcome you to our team. Key Responsibilities Design, build, and ship full-stack features across backend services and web front-ends, owning them from spec to production. Build and harden the systems ...

contribute to technical decisions within a collaborative team. Key Responsibilities Develop and maintain web applications using Next.js/React, focusing on performance and scalability. Design and build integrations between applications, APIs, and databases, particularly using MySQL. Write clean, maintainable, well-tested code using JavaScript, TypeScript, and C#. Take ownership … features from design through to deployment and support. Participate actively in code reviews both giving and receiving constructive feedback. Support and mentor more junior members of the team where appropriate. Report to and work closely with the Lead Software Engineer to meet project goals and timelines. This ...

GlobalLogic in United Kingdom is seeking an experienced Backend Engineer to design and build robust, scalable microservices using Java 17+ and Spring Boot 3. You will work across the full backend stack — from API design through to production‐grade integration testing — using modern Java and Spring technologies. … will design REST APIs, implement event-driven solutions with Kafka, and collaborate with cross-functional teams. #J-18808-Ljbffr ...

Overview Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world‐class solutions in communications, 5G, automotive, energy, quantum, aerospace, defense, and semiconductor markets for customers in over 100 countries. Learn … quality solutions. This position sits at the intersection of protocol standards, software engineering, and system configuration APIs, within a multi‐site international environment. Responsibilities Design, develop, integrate, and optimize APIs for system‐level configurability . Validate 3GPP protocol configurations , with specific focus on RRC configuration . Support both ...

AVEVA is seeking a hands-on Principal Technologist to lead the Core AI Services Development in Cambridge. You will design, develop, and scale AI-enabled platform services and public APIs, ensuring security, reliability, and cloud-native quality within an agile Scrum environment. The role emphasizes mentoring, architecture reviews … collaboration across global R&D teams. The ideal candidate brings 12+ years in software engineering, strong Kubernetes, Azure, API design skills, and experience #J-18808-Ljbffr ...

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 ...