1 to 25 of 60 GraphQL Jobs in the UK

MERN Stack development. Strong expertise in: React.js (Hooks, Context API, Redux desirable) Node.js & Express.js MongoDB (schema design, aggregation pipelines, indexing) Experience with RESTful APIs, GraphQL (preferred), and microservices architecture. Solid understanding of HTML5, CSS3, JavaScript (ES6+). Strong knowledge of Git, CI/CD pipelines, unit testing frameworks (Jest, Mocha ...

Frameworks (langchain, langgraph, Google ADK) • AI enabled code tooling: Cursor, Windsurf, GitHub copilot • AI powered platform development: Lovable, Replit, Bolt • APIs & Microservices: RESTful APIs, GraphQL, microservice architectures • Cloud & DevOps: AWS, Azure, or GCP; Docker; CI/CD pipelines • Data Integration: Products integrating ML/AI models, databases, BI tools ...

with dead letter queues AWS Lambda event-based integrations Experience designing event-driven and microservices architectures. Strong knowledge of: API integration patterns (REST, GraphQL) ETL/ELT and data pipelines Distributed system design High throughput and low-latency data streaming Good understanding of Java/Python/Node.js for integration ...

Working On: Designing and building scalable backend systems using Python Collaborating on full-stack features with TypeScript and JavaScript Creating and integrating RESTful and GraphQL APIs Working with Docker, Kubernetes, and cloud infrastructure (AWS) Developing within a microservices architecture Solving complex problems in data flow, latency, and scale Contributing ...

backend. What You Bring to the Table React Node/TypeScript/JavaScript Cloud: AWS, Azure, or GCP. APIs: API design and integration (REST & GraphQL). AI Tooling: Confident using AI-boosted environments to ensure quality (Claude or similar). The Cherry on Top If you’ve dabbled in Infrastructure ...

based teams Strong communicator and effective collaborator across disciplines Bonus Points Degree in Computer Science or related field Experience with Python, TypeScript, Scala, or GraphQL Familiarity with advanced AWS services and hardware interfaces ...

Senior GraphQL Engineer (GraphQL Federation) to design, build and scale high-performance GraphQL APIs in a modern TypeScript/Node.js stack, deployed to Kubernetes in a cloud-native environment. This is an ideal contract for a GraphQL specialist who loves clean schemas, resilient services, and production-grade delivery. The Role … Responsibilities) Own end-to-end GraphQL API delivery : schema design through to production integration, focusing on performance, maintainability, security, and scalability . GraphQL Federation expertise : design and implement supergraphs, subgraphs, resolvers , and governance patterns (versioning, evolution, backward compatibility). Build and maintain TypeScript + Node.js backend services , integrating with modern ...

Step Functions , or similar. Ensure data quality, schema governance, and reliability across ingestion and downstream data consumers. API Development Build and maintain RESTful and GraphQL APIs supporting device management, device data retrieval, and user-facing features. Ensure APIs are secure, highly available, and performant at scale. Define API standards ...

applications Building and maintaining high‐performance APIs and distributed microservices Solving problems around scalability, reliability, security, and automation Working with modern API protocols including GraphQL and gRPC Enhancing the platform that connects both traditional and on‐chain financial services Must‐have experience: Strong backend engineering background with deep coding experience ...

platform Audit, refactor, and improve legacy code without full rewrites Introduce modern front-end frameworks (React, Vue, Angular) Design and maintain APIs (REST/GraphQL) Improve performance, security, and scalability Contribute to DevOps, CI/CD, and cloud infrastructure Mentor junior developers and support best practices What Theyre Looking ...

maintain data pipelines to ingest and process data from multiple external vendors and internal sources Develop low-latency APIs (REST and/or GraphQL) to support communication across distributed systems Create monitoring tools and dashboards to ensure system performance, reliability, and availability Take ownership of services from design and development ...

Behavior Driven Development (BDD) and Waterfall) Knowledge of any or all of the following technologies is desired: Kafka, Postgres, Golang, Git, gRPC, Docker, GraphQL Experienced in continuous integration (CI), continuous deployment (CD) and continuous testing (CT), including tools such as Jenkins, Rally and/or JIRA and version control such ...

well-tested, and well-documented code. Must‐Have Technical Skills Expert-level Node.js development experience (TypeScript/Javascript). Professional Golang development experience. Strong GraphQL experience, including schemas, resolvers, and high-volume queries. Deep knowledge of PostgreSQL, including performance tuning and relational design. Hands-on experience with Redis for caching ...

without prior trading/finance experience. Experience with writing unit and integration tests and maintaining CI/CD pipelines. Preferred Qualifications & Experience Experience with GraphQL or REST API development. Knowledge of asynchronous programming, message queues, or real-time streaming architectures. Familiarity with cloud platforms (AWS, GCP, Azure) and container orchestration ...

Heavy hands-on testing experience (TDD, DDD). Extensive experience developing APIs/Event driven architectures and working with cloud technologies such as AWS. GraphQL/Nest.js experience Used to working in a scrum based agile team. Excellent communication skills with the ability to work autonomously and hit the ground ...

with React , ideally Next.js Proficiency with Tailwind CSS and modern frontend state management libraries Strong backend development experience using Python Experience designing RESTful or GraphQL APIs Solid experience with PostgreSQL and relational database design Strong knowledge of TypeScript Experience using Git in collaborative workflows Familiarity with modern CI/ ...

culture, encouraging peer to peer feedback and evolving healthy, curious and humble teams. Tech Stack: Python, Javascript/Typescript, React/React Native, AWS, GraphQL, Snowflake, Airflow, DDD. This is an incredible opportunity for a Senior Software Engineer to join a unique company as they embark on a period ...

Strong software engineering background with expertise in React, TypeScript, Node.js, and modern web technologies Experience building scalable APIs (REST, GraphQL, microservices), with exposure to API management platforms and cloud (GCP/Azure/ ...

deploy using AWS cloud infrastructure Skills & Experience Required Strong commercial experience with ReactJS Solid understanding of Node.js Experience with Rest API's and GraphQL Familiarity with testing - A/B Testing/Web Testing/Web Performance Proficient with Playwright/Cypress/Jest If the above is of interest ...

occasionally contributing to frontend flows in React/TypeScript for end-to-end delivery. Key responsibilities include: Developing backend services and APIs (REST/GraphQL). Optimising databases for performance and scalability. Implementing secure identity and authentication services. Supporting frontend delivery when required. Driving best practices in testing, CI/ ...

with non-technical stakeholders. You’ll also have sound judgement when it comes to architecture decisions and balancing build versus buy. Nice to Haves GraphQL APIs Elasticsearch Data pipelines and warehousing Accessibility best practices Azure ecosystem depth Why Join/Projects You’ll lead the build of new digital tools ...

Full Stack Developer: Design and develop robust backend systems using Python (FastAPI or Flask). Build and integrate RESTful and GraphQL APIs . Develop React-based front-end components for a seamless user experience. Architect and deploy solutions on AWS , leveraging services like Lambda, S3, DynamoDB, and more. Write clean ...

engineer with architectural responsibilities Deep understanding of mobile architecture patterns (e.g. MVVM, Clean Architecture, modularisation) Experience designing and integrating with APIs, including REST and GraphQL (advantageous) Strong knowledge of software engineering best practices including TDD, CI/CD, and secure coding Experience building high-performance, scalable mobile applications with strong ...

supporting infrastructure: git, microservices, containers, etc. Comfortable working with numbers and data, with or without prior trading/finance experience. Preferred Qualifications & Experience GraphQL/Apollo Client. Experience building Single Page Applications (SPAs). Reactive mobile UI development experience. Experience with Material UI or similar component libraries. Familiarity with WebSockets ...

versioning strategy, and cross-team adoption at scale - Testing discipline: unit, integration, E2E (Playwright/Cypress), visual regression, and performance budget enforcement in CI - GraphQL or REST API co-design with backend teams; schema-first development and automated type generation - Track record of measurably improving engineering standards - patterns or tooling ...