23 of 23 GraphQL Jobs in Central London

Full Stack Developer

Location
City of Westminster, England, United Kingdom
Familiarity with CI/CD tools (GitHub Actions, GitLab), IaC (Terraform, Ansible), and monitoring tools (Datadog, Grafana). Containerization : Docker and Kubernetes. APIs : REST, GraphQL, OpenAPI. Databases : SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis). Testing : Unit and functional testing (Jest, Cypress, Mocha). Soft Skills Strong communication skills ...

Senior Full Stack Developer

Location
City Of London, England, United Kingdom
technical stakeholders. Mentoring engineers Helping drive technical decisions and platform modernisation initiatives. YOUR SKILLS AND EXPERIENCE: Node.js and TypeScript development. React and Next.js. GraphQL and REST API development. Microservices and event-driven architectures. Kafka or similar messaging technologies. PostgreSQL, MongoDB and Redis. AWS, Docker and CI/CD practices. Strong ...

Senior Python Developer

Hiring Organisation
Tech 4
Location
City of London, London, United Kingdom
Employment Type
Permanent
using modern tooling to improve reliability and evolve architecture pragmatically. Strong system design fundamentals across scalability, performance, and distributed systems, including API design (REST, GraphQL). Hands-on experience with observability tooling (Datadog, Grafana, or similar) and a data-informed approach to system health and reliability. Solid SQL and data ...

Full Stack Software Engineer

Location
City Of London, England, United Kingdom
Analytics Services development API development Web development Mobile development Security Performance optimisations Tech stack Infrastructure - AWS Backend Database - PostgreSQL Backend Application - Django, Python, GraphQL Frontend Web - React, TypeScript Frontend Mobile - React Native, TypeScript 🤸🏽♂️ Benefits & Perks Competitive Salary & Options 25 days holiday Unlimited holistic health days Enhanced parental policies Pension scheme ...

Technical Lead (AI & MACH)

Location
City Of London, England, United Kingdom
Advanced Python programming AI frameworks such as AutoGen, Langflow, Tensorflow Knowledge of Infrastructure as Code, CI/CD Use of Middleware and RESTful or GraphQL APIs Microservices and MACH Architectures. HTML, CSS, Javascript frameworks such as React, or Mobile technologies such as SwiftUI, Kotlin, Flutter or React‐native CMS, DXPs ...

Senior React/TypeScript Frontend Developer — Remote UK

Location
City Of London, England, United Kingdom
modern React + TypeScript application from the UK, shape its architecture, and deliver accessible, high-quality features for users worldwide. You will work with GraphQL, AWS Amplify, AppSync, and a Vite-based pipeline, implement i18n, and drive tests and performance improvements in a collaborative team. This role offers remote ...

Azure Data Platform Architect – Cloud & Data Solutions (6m)

Location
City Of London, England, United Kingdom
security architecture across IT projects, ensuring designs meet internal standards and reference architectures. Key requirements include hands-on Azure, ReactJS, NodeJS, microservices, Kubernetes and GraphQL expertise, plus experience with data platforms and data architecture. #J-18808-Ljbffr ...

Solution Architect

Location
City Of London, England, United Kingdom
strategic improvements where such expertise is required. Skills & Requirements Hands on expert experience with Cloud especially Azure, ReactJS, NodeJS,microservices, micro-frontend, Kubernetes and GraphQL is a must. Experience in data architecture and data platforms #J-18808-Ljbffr ...

Senior Software Engineer

Hiring Organisation
The Portfolio Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90000/annum
agents. Develop agent-to-agent connectivity, including message contracts, state management, retries and failure handling. Design clear, scalable APIs using REST and/or GraphQL, including authentication, authorisation, versioning and streaming interfaces such as SSE or WebSockets. Build production frontend applications using React, TypeScript and JavaScript. Work closely with … backend and integration development. Strong TypeScript/JavaScript and React experience building production applications. Strong API design experience, including REST and/or GraphQL, authentication, authorisation, versioning and streaming. Hands-on experience with MCP (Model Context Protocol) or comparable tool/plugin integration technologies, alongside an interest in AI agents ...

TypeScript Engineer

Location
City Of London, England, United Kingdom
speed quickly and contribute to the whole backend development process, from ideation to delivery. Tech Skill Set: TypeScript Node Terraform GraphQL Leverage LLMs & Gen AI AWS The Rate: For the right person, we have a day rate of £500 – £550, depending on your experience and what ...

TypeScript Engineer

Hiring Organisation
Cathcart Technology
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
speed quickly and contribute to the whole backend development process, from ideation to delivery. Tech Skill Set: ** TypeScript ** Node ** Terraform ** GraphQL ** Leverage LLMs & Gen AI ** AWS The Rate: For the right person, we have a day rate of £500 - £550, depending on your experience and what ...

Senior Mobile Engineer (Android Focus)(Cross platform) - EV Charging - Liverpool Street - £80k + Bonus

Location
City Of London, England, United Kingdom
engineer (iOS-leaning) but focusing on Android (with some iOS) Optimising app performance for speed, memory usage, and battery efficiency Integrating with REST/GraphQL APIs for real-time data synchronisation Collaborating closely with a genuinely cross-functional team Writing and maintaining automated tests to ensure app stability and quality ...

Mobile Engineer

Location
City Of London, England, United Kingdom
Firebase or similar) Backend and API Tracing a request from UI through the mobile networking layer to the backend service and back REST/GraphQL/gRPC, OpenAPI and contract inspection, API gateway and BFF patterns OAuth 2.0/OIDC token flows as implemented on device Third-party SDK inventory ...

Senior Engineer (Full-Stack)

Location
City Of London, England, United Kingdom
React, Redux, ReactQuery Experience with modern JavaScript frameworks - React Knowledge of version control systems (Git) Understanding of cross-browser compatibility Familiarity with RESTful APIs, GraphQL and Websockets Experience with CSS pre-processors e.g. Tailwind Back-end skills Proficiency in backend programming languages (Typescript and/or other OOP language such … c#/Java) Strong database knowledge (SQL and NoSQL) Proficiency with RESTful APIs and GraphQL APIs and Websockets Experience with microservices architecture Knowledge of version control systems (Git) Experience with Terraform Experience with automated testing Experience with AWS (AWS Lambda, AWS Fargate, Amazon API Gateway, AWS AppSync) Worked within ...

Mobile Architect - Outside IR35

Location
City Of London, England, United Kingdom
enough to read, question and validate, not necessarily to write Backend, API and integration Mobile-to-backend integration patterns: BFF, API gateway, REST/GraphQL/gRPC, versioning and contract management Identity and authorisation: OAuth 2.0, OIDC, token lifecycle, session management, step-up authentication; FAPI and Open Banking awareness Understanding ...

Senior Product Engineer

Location
London Borough of Lambeth, England, United Kingdom
Senior engineering experience. 5+ years building production software. Full-stack range. Comfortable across backend, web, and infrastructure. Strong fundamentals. Confident with TypeScript, GraphQL, and SQL. At home in NestJS (or a similar Node.js framework) and React. Cloud and DevOps minded. Comfortable across GCP or a similar cloud, CI/… when features need backend work. React Native. Our apps run on React Native and Expo. You'll touch them when features cross stack boundaries. GraphQL Federation. We run a federated gateway across multiple subgraphs, and federation experience makes schema and subgraph work easier. Distributed systems at scale. Event-driven patterns ...

Principal Product Engineer

Location
London Borough of Lambeth, England, United Kingdom
Deep engineering experience. 10+ years building production software. Full-stack range. Comfortable across backend, web, and infrastructure. Strong fundamentals. Confident with TypeScript, GraphQL, and SQL. At home in NestJS (or a similar Node.js framework) and React. Cloud and DevOps minded. Comfortable across GCP or a similar cloud, CI/… when features need backend work. React Native. Our apps run on React Native and Expo. You’ll touch them when features cross stack boundaries. GraphQL Federation. We run a federated gateway across multiple subgraphs, and federation experience makes schema and subgraph work easier. Distributed systems at scale. Event-driven patterns ...

Senior Backend Developer

Hiring Organisation
Rullion Managed Services
Location
City of London, London, Farringdon, United Kingdom
Employment Type
Contract
Location: London, EC1M 6PB Contract: 6 Month Contract Hours: Full-time, 37 hours per week Hybrid: 1 day per week onsite in London Rate: TBC Join a dynamic energy provider dedicated to delivering sustainable solutions ...

Senior Product Engineer, React Native

Location
London Borough of Lambeth, England, United Kingdom
Senior Product Engineer, React Native Location: Nine Elms, London. Full time, hybrid with at least 3 days a week on site. You’ll need the right to work in the UK and be based in ...

Front End Developer

Location
City Of London, England, United Kingdom
opportunity to play a key role in technical decision-making, improve engineering standards, and work with a modern technology stack that includes React, TypeScript, GraphQL, AWS Amplify, and AppSync. What You'll Do Build and maintain production features in a React 18+ TypeScript application Design reusable components and scalable frontend … architecture Enhance our Vite-based build and development pipeline Create responsive, accessible interfaces using Ant Design and SCSS Integrate with AWS Amplify, AppSync, and GraphQL services Implement internationalisation (i18n) across the platform Write high-quality tests using Vitest, Testing Library, and MSW Drive improvements in performance, maintainability, and developer experience ...

Principal Product Engineer, React Native

Location
London Borough of Lambeth, England, United Kingdom
Principal Product Engineer, React Native Location: Nine Elms, London. Full time, hybrid with at least 3 days a week on site. You'll need the right to work in the UK and be based in ...

AI Engineer

Location
City Of London, England, United Kingdom
integration in mind. Work closely with business stakeholders to understand workflows, decisions, data and operational challenges. Develop and integrate AI solutions using APIs, GraphQL, enterprise data platforms and related technologies. Contribute to the technical strategy and architecture for AI-enabled solutions across T&S. Support evaluation, monitoring, guardrails and responsible … engineering and software development. Experience building with LLMs, agents, RAG and modern AI frameworks. Strong understanding of knowledge graphs, large-scale graph technologies, GraphQL and semantic modelling. Experience taking experimental technologies beyond prototypes towards scalable production solutions. Good understanding of APIs, cloud platforms and enterprise integration. Some understanding of data ...