76 to 100 of 150 API Design Jobs in the UK

that power these systems, working in a multinational, AI-first engineering team where quality, ownership, and long-term thinking matter. What You’ll Do Design, build, and maintain scalable backend services for Keepnet’s Human Risk Management platform. Build clean, modular APIs that integrate internal services and third-party … enable automation, reporting, and security workflows. Develop testable, maintainable codebases using principles such as Clean Architecture, DDD, and TDD. Own the full development lifecycle : design, implementation, CI/CD (Azure), and post-release monitoring. Work on distributed and asynchronous systems using message queues, background workers, and event-driven workflows. ...

full-stack technologies. Develop new features and functionality for both front-end and back-end components in following best practices. Implement and maintain robust API integrations with internal and third-party systems. Assist in monitoring, troubleshooting, and resolving production issues to maintain system reliability and data integrity. Participate … reviews, testing, and documentation to maintain high standards of code quality. Required Skills & Experience Strong full-stack development experience with Laravel/PHP for API development and front-end frameworks such as Vue.js (or similar). Familiarity with Node.js for working on an existing LoopBack application. Experience with ...

This role is a great fit for a full stack engineer who wants to work on a modern, high impact platform where good software design really matters. The Opportunity You will be joining a fast growing technology company building a production grade platform that enables advanced AI driven products. … Your role is not to build the AI itself but to design and develop the software systems that allow it to run reliably, securely and at scale. This is very much a proper engineering role. You will have real ownership, influence over technical decisions and the space to build ...

strengths and weaknesses of each At least one programming language (e.g. Java, Go) At least one major cloud provider (e.g. AWS, GCP, Azure) REST API design HTTP Authentication Linux at the terminal, including scripting and automation (e.g. shell, Python) Some other highly valued skills may include: Experience with ...

strengths and weaknesses of each At least one programming language (e.g. Java, Go) At least one major cloud provider (e.g. AWS, GCP, Azure) REST API design HTTP Authentication Linux at the terminal, including scripting and automation (e.g. shell, Python) Some other highly valued skills may include: Experience with ...

maintain server-side logic using modern backend frameworks (e.g. Node.js, Python, Go) Work with APIs — designing, integrating, and maintaining RESTful endpoints Support database design and optimisation (e.g. PostgreSQL, MongoDB) Collaborate with front-end and product teams to deliver full-stack features Write clean, testable, and maintainable code Help improve ...

full-stack development capability, disciplined engineering practices, and experience working in Agile environments. The role involves contributing across the full software development lifecycle, from design and development through testing, deployment, and ongoing support, with a strong emphasis on code quality, security, and automation. Key Responsibilities Design, develop … maintain React Native (Web) applications with a focus on performance, reliability, and maintainability Build and support Java-based backend services for enterprise-scale applications Design and implement RESTful APIs , including documentation using OpenAPI Specification (OAS)/YAML Apply Test-Driven Development (TDD) principles across frontend and backend components Write ...

owning the cloud-native platform that underpins conversational AI and generative AI products at scale. Sitting at the core of AI delivery, you will design, build, and operate the runtime, infrastructure, and operational layers supporting RAG pipelines, LLM orchestration, vector search, and evaluation workflows across AWS and Databricks. Working … platform powering conversational assistants and generative AI products. Build, operate, and optimise RAG and LLM-backed services, improving latency, reliability, and cost. Design and run cloud-native AI services across AWS and Databricks, including ingestion and embedding pipelines. Scale and operate vector search infrastructure (Weaviate, OpenSearch, Algolia, AWS Bedrock ...

engineering standards, and ensuring solutions are scalable, secure and fit for purpose. What you'll do Lead the end-to-end development lifecycle from design through to delivery Define technical direction and architecture across Java and AWS services Drive best practice across TDD, CI/CD, and scalable API … design Collaborate with Product, DevOps and QA teams to align technical delivery with business goals Guide technical change and continuous improvement initiatives Support and mentor engineers, fostering a high-performance culture What you'll bring Strong experience in backend software development with Java and AWS A proven track record ...

will contribute to both delivery of major transformation initiatives and the continuous improvement of integration standards, tooling, and best practices . Key Responsibilities Design, develop, and support cloud integrations across AWS and Azure , including low-code/no-code solutions Translate business and functional requirements into robust technical integration … designs Build and maintain API-led, event-driven, and batch integrations across SaaS, cloud, and on-prem environments Configure, monitor, and support integration workflows to ensure performance, reliability, and security Support and enhance CI/CD pipelines for integration solutions Contribute to integration architecture decisions , patterns, and tooling standards ...

office Technical Architect About the role This is a rare opportunity to join a government-backed initiative at a very early stage, helping to design and deliver a new digital platform that enables transparent licensing and ethical access to high-quality digital content at scale. We are assembling … that the platform is secure, intuitive, and reliable for all users. This is a hands-on architecture role focused on system design and technical delivery rather than business development or account management. The role also plays a key part in shaping the future technical service offering by applying lessons ...

Laravel/PHP APIs, Vue.js (or similar) front-end, Node.js/LoopBack, MySQL/MongoDB, Git, Docker, AWS/DigitalOcean (or similar), Linux environments. API design/integration skills, authentication/security best practices including SSO, CMS/content migrations. Proactive mindset: problem-solver, quick learner, clear communicator …/skills, this role could be a great fit: Full-Stack Developer, PHP/Laravel Developer, Vue.js Developer, Full-Stack PHP Developer, Node.js Developer, API Developer, Software Engineer (integrations), Web Application Developer (e-commerce/CRM), DevOps Engineer (Docker/AWS), Backend Developer (MySQL/MongoDB). Deerfoot Recruitment ...

following key skills: - At least 4 years commercial Scala programming - Strong framework experience (Akka, Play etc) - Relational database experience - PostgreSQL - MongoDB, NoSQL - RESTful API design and integration experience - Solid unit test understanding - Spec2, scalaTest etc - Experience working in a TDD/BDD driven environment - Containerization experience - Docker, Kubernetes … well-established friendly team then please apply now to be considered and for further details. Senior Scala Developer Up to £90,000 Scala, REST Api, NoSQL, TDD/BDD, functional programming, CI/CD, Play, Akka ...

early-stage, hands-on role with significant autonomy and responsibility to drive backend product development, collaborating closely with founders, creators, and product/design to turn lean specs into reliable, scalable services. Responsibilities Implement features end-to-end on the backend (APIs → data models → integrations) and maintain quality while … z2bz0 years building production backends/services , with shipped work and clear ownership. Strong Python (FastAPI) and database skills ( PostgreSQL/MongoDB ); solid API design fundamentals. Familiarity with AWS serverless patterns and Docker for bespoke services; basic CI/CD concepts. Comfortable with Redis (caching/sessions ...

experiences at scale. Package 💷 £70–90k + 5% bonus 🏢 Hybrid (2 days onsite, London) What you’ll do Own the full lifecycle of services: API design, architecture, deployment, and production Build an internal platform delivering consistent, real-time communications across multiple digital touchpoints Collaborate with Product, Data, Marketing ...

that don’t yet have perfect answers. What You’ll Work With Python development at a high level FastAPI or adjacent Python backend frameworks API design and backend architecture fundamentals PostgreSQL and/or MongoDB React or React Native for frontend collaboration AWS serverless infrastructure Docker for bespoke ...

succeed: Must-haves: Strong proficiency in modern software development (e.g., PHP/Laravel, JavaScript/Vue.js, or equivalent). Solid understanding of RESTful API design and integration. Experience designing and maintaining scalable, modular, and production-ready codebases. Proficiency with relational databases (e.g., MySQL, PostgreSQL). Familiarity with Docker ...

rapidly growing user base. Expect a fast-paced, high-autonomy role where your work directly impacts the future of the product. Key Responsibilities Design and implement new backend endpoints and services using Django, Python, and FastAPI building on the existing codebase Build and maintain scalable REST APIs, integrating PostgreSQL … updates, and storage Drive performance, security, and scalability best practices as we scale rapidly in the next 6-12 months Collaborate closely with Product, Design, and Frontend teams to deliver seamless and intuitive user experiences Own key architectural decisions while mentoring engineers and elevating backend engineering standards Build data ...

experienced Application Security Engineering Lead to join a dynamic team driving secure software development across the organisation. In this role, you'll design, implement, and maintain solutions that protect critical systems and sensitive information, while influencing security strategy at a senior level. This is a hybrid role, offering flexibility … Proficiency in at least one programming language (e.g., Java, Go). Experience with at least one major cloud platform (AWS, GCP, Azure). REST API design and HTTP authentication. Linux proficiency, including terminal usage, scripting, and automation (e.g., Shell, Python). Highly Desirable CI/CD experience. Knowledge ...

IR35) Sector: Banking Key Skills & Experience Salesforce +5 years experience AND/OR React Native (Web) +5 years Java +5 years TDD, BDD RESTful API design & build OAS/YAML Unit Testing GitLab CI/CD Pipelines Agile practitioner, SonarQube, Veracode, Jira, Confluence Banking/Financial services background ...

TypeScript Familiarity and experience with PostgreSQL, Sequelize, Jest, Docker, PM2 and Redis patterns. Experience writing tests with Jest or similar frameworks Understanding of RESTful API design principles Good problem-solving skills and attention to detail Key communication skills What We Offer: Competitive salary (depending on experience) Opportunities ...

10+ years) Expert-level Python, with deep understanding of async patterns and performance optimisation Proven experience designing and scaling distributed systems Strong background in API design, data-intensive systems, and service architecture Track record of building platforms that operate reliably under heavy load Nice to have: Experience with ...

Tooling Expertise: Use Prometheus, Grafana, and Dynatrace for data collection, visualisation, and deep-dive analysis. •Proficiency in Prometheus, Grafana, and Dynatrace. •Strong knowledge of API design, data modelling, and pipelines. •Experience with automation, monitoring platforms, and scripting languages (e.g., Python, PowerShell, Bash, Terraform and Ansible) to enhance operational ...

PubSub, Secret Manager). Observability: Experience implementing and utilising observability and monitoring tools (eg, Grafana, Splunk) to maintain system health and diagnose issues. API Design: Experience designing and developing REST APIs and associated QA tools. Technical Experience Preferred Engineering Practices: Passion for Software Craftsmanship with experience in Pair ...

SLOs, and participating in support rotas. Coding/scripting experience (Python/Bash) in a commercial setting. Database knowledge, streaming and batch operations, and API design. Good background with Kubernetes (ideally microservice architectures using Istio service mesh). Extensive experience with cloud-native solutions (ideally Google Cloud). Solid ...