76 to 100 of 143 API Design Jobs in the UK excluding London

change where relevant. Offer technical assistance and support across the company. Liaise with third‐party software providers throughout the lifecycle of projects, from design and development to support and maintenance. Required Skills & Experience Proven leadership skills with the ability to support, guide, and delegate effectively. Strong communication and interpersonal … ability to adapt and fix legacy code. Experience planning, coordinating, and delivering testable software in scaled Agile environments. Solid knowledge of software structures, architectures, design patterns, and modern development processes. Minimum 5 years’ experience in C# development. Hands‐on expertise in the following: .NET Core 3.1 ASP.NET MVC (Core ...

product development and ongoing application support. This is a hands-on role with real influence over how our products evolve. What you'll do Design, build, and maintain applications using Python and Django Work across the full stack, including front-end components (React, JS, CSS) Translate business and user … occasionally with clients Contribute to CI/CD pipelines using Azure DevOps What you'll need to succeed: Essential Experience Python 3+ years' API Integrations Strong SQL skills (MySQL or PostgreSQL) Solid front-end fundamentals (HTML, CSS, JavaScript, React, Angular) Good understanding of software design principles and best ...

Disability Confident employer and welcome applicants from all backgrounds. If you need adjustments during the recruitment process, just ask. What You’ll be Doing Design, build, test and maintain backend services and APIs, primarily using Java. Develop accessible, user-facing features using TypeScript and React. Use Python for analytics … Copilot, Claude Code or comparable tools. Strong communication, collaboration and problem-solving skills. The ability to take ownership of defined work, contribute to technical design and deliver to an agreed standard. Desirable Experience with Spring Boot, TypeScript and React. Familiarity with AWS services such as ECS, Lambda ...

5+ years Java; Java 17+/21, Spring Boot or equivalent Stream/event-driven services at volume (Redis Streams, Kafka or similar) REST API design and ownership, contract-first Containerised services on Azure or another major cloud; Docker, CI/CD Strong SQL Desired Criteria: ClickHouse … OLAP store from the application side PostgreSQL with JSONB; in-process caching with invalidation Security telemetry: Windows event logs, Active Directory, M365/Graph API, NetFlow Insider threat/UEBA/SIEM product experience Porting or re-platforming an existing system against a live reference implementation Comfortable reading C# ...

onto it safely, contributing directly to the success of the System Software function. Key responsibilities include: Own a service or subsystem end to end - API design, implementation, rollout and ongoing operational health. Build closed-loop behaviour that acts on measured system state without a person in the loop. … Design state machines and their persistence together, so that what survives a restart is a decision rather than an accident. Make our services behave correctly under concurrency and partial failure.Move live systems onto new behaviour without losing data or interrupting work in flight. Evolve our APIs, and bring ...

platform. You'll build, measure and tune services running in the cloud and at the edge, and you'll own them from design through to production. You'll be part of a multi-disciplinary team of engineers, SDETs, DevOps, product and UX, releasing several times a day through … Server/T-SQL, including query tuning, indexing and execution plans High-traffic E-commerce or transactional systems Cloud experience, ideally AWS Strong RESTful API design: versioning, idempotency, caching, OpenAPI/Swagger Production ownership: monitoring and profiling .NET apps (eg Datadog, New Relic, CloudWatch) Daily ...

Python and 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. ...

Responsibilities Technical Leadership Provide expert-level technical direction for the public UKPI web estate — Angular front-ends, Node.js services, and AEM-authored content. Lead design, development, and implementation across the monorepo's apps and shared libraries. Solution Architecture & Governance Define and enforce architectural standards (module boundaries, shared-library design … enhancements. What it takesKey Skills Experience with JavaScript/TypeScript, Angular, HTML, CSS, and modern Node.js; working knowledge of Java. Familiarity with microservice architecture, API design, and integration patterns. Knowledge of AWS services and cloud-based deployment (ECS, CloudFront, CDN/edge concepts). Strong understanding ...

Responsibilities Technical Leadership Provide expert-level technical direction for the public UKPI web estate - Angular front-ends, Node.js services, and AEM-authored content. Lead design, development, and implementation across the monorepo's apps and shared libraries. Solution Architecture & Governance Define and enforce architectural standards (module boundaries, shared-library design … What it takes Key Skills Experience with JavaScript/TypeScript, Angular, HTML, CSS, and modern Node.js; working knowledge of Java. Familiarity with microservice architecture, API design, and integration patterns. Knowledge of AWS services and cloud-based deployment (ECS, CloudFront, CDN/edge concepts). Strong understanding ...

candidate will have extensive experience building backend services using Node.js and TypeScript , with a strong understanding of modern software engineering practices, distributed systems and API design. While this is a full stack role, the primary emphasis is on backend development, system architecture and code quality . Experience with frontend … assisted development tools , reviewing both human-written and AI-generated code, and contributing to technical discussions around architecture and system design. Responsibilities Backend Development Design, develop and maintain scalable backend services using Node.js, TypeScript and modern backend frameworks such as Express.js or similar. Design and implement RESTful APIs ...

indexing data for searching. Skills required: At least 8 years’ experience in C# .Net, SQL Knowledge of some queue brokering technology, e.g., RabbitMQ API design experience (preferably .NET 10.0 Web API)/REST-based web services Orleans and Event Store .Net Core Elastic Search (with Kibana dashboards ...

nearly 1000 full-time professionals, and our annual growth rate exceeds 25%. Job Description We are looking for a Full Stack Engineer to design, develop, and support scalable cloud-native applications that power Workforce Management (WFM), Customer Experience (CX), and operational business processes. You will use Java … where appropriate for supporting components. The role suits a hands‐on engineer with strong software development fundamentals who can take features from detailed technical design through implementation, testing, deployment, and production support. Experience with Workforce Management (WFM), Customer Experience (CX), or contact center solutions is an advantage Responsibilities: Design ...

Type: full-time We are looking for a passionate Software 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 … across data pipelines, orchestration, and service APIs. Embed robust security controls to protect sensitive data and ensure secure access to AI services. Participate in design reviews, code reviews, and implementation discussions to ensure engineering excellence. Essential requirements Minimum of 2 years professional experience in software engineering, preferably in platform ...

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 ...

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 ...

Node.js REST APIs. Write TypeScript across the stack, working within a strict typing culture that leans on the compiler to catch mistakes early. Design and implement REST endpoints following the team’s established API conventions. Work with real-time features as part of the platform’s live-update … hooks and renderingbehaviour, not just general familiarity with acomponentframework. Experience building REST APIs on Node.js. Nice tohave: exposure to schema-first or contract-first API design — Express withOpenAPIor equivalent. Nice tohave: comfort with runtime type validation at trust boundaries — Zod, Yup, or similar. Nice tohave: experience writing unit ...

Node.js REST APIs. Write TypeScript across the stack, working within a strict typing culture that leans on the compiler to catch mistakes early. Design and implement REST endpoints following the team’s established API conventions. Work with real-time features as part of the platform’s live-update … hooks and renderingbehaviour, not just general familiarity with acomponentframework. Experience building REST APIs on Node.js. Nice tohave: exposure to schema-first or contract-first API design — Express withOpenAPIor equivalent. Nice tohave: comfort with runtime type validation at trust boundaries — Zod, Yup, or similar. Nice tohave: experience writing unit ...

Purpose Design, develop, test, release and support secure, reliable and maintainable software that delivers useful outcomes for 7IM, its clients and colleagues. Work across the full delivery lifecycle, using modern engineering practices and approved AI-assisted tools to improve speed and quality while retaining clear human ownership, review … with the team. Write clean, maintainable and well-tested code that follows 7IM architecture, security, engineering and data standards. Contribute to technical discovery and design, understanding the problem behind the request and making sensible trade-offs between user value, delivery speed, risk, cost and maintainability. Build automated tests ...

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 ...

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 ...

quantitative research analysts, and upstream and downstream technology teams across the firm to deliver well-integrated, high-quality solutions Execute creative software solutions across design, development, and technical troubleshooting, thinking beyond conventional approaches to break down complex technical problems Develop secure, high-quality production code while reviewing and debugging … opportunities to eliminate or automate remediation of recurring issues to improve the overall operational stability of software applications and systems Lead Python service and API design and delivery for risk workflows, ensuring scalability, reliability, and alignment with architectural standards Lead evaluation sessions with external vendors, startups, and internal ...

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 ...

Service Operations, Data & Analytics, Security & Quality Compliance, Transformation, Application Development, and Enterprise Platforms. Job Overview Key Responsibilities 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 ...