1 to 25 of 142 GraphQL Jobs in London

be doing: Developing high-quality backend services in Python (FastAPI, Django or Flask). Building and maintaining front-end components in TypeScript (React or Next.js). Designing RESTful and GraphQL APIs. Writing clean, testable code with CI/CD pipelines. Working in an agile, collaborative team environment. What we’re looking for: 2+ years’ experience with Python and TypeScript in More ❯

be doing: Developing high-quality backend services in Python (FastAPI, Django or Flask). Building and maintaining front-end components in TypeScript (React or Next.js). Designing RESTful and GraphQL APIs. Writing clean, testable code with CI/CD pipelines. Working in an agile, collaborative team environment. What we’re looking for: 2+ years’ experience with Python and TypeScript in More ❯

practices, and error handling. Ability to write clean, efficient, and scalable code. Familiarity with CI/CD pipelines and DevOps practices is a plus. Experience with TypeScript. Familiarity with GraphQL or other modern data-fetching technologies. Experience in integrating message brokers (e.g., RabbitMQ, Kafka). Familiarity with cloud platforms like AWS, Azure, or Google Cloud. Knowledge of microservices architecture and More ❯

Solid software engineering background with proficiency in Python, JavaScript/TypeScript, Java, or Go Experience with modern frameworks (React, Node.js, Django, FastAPI) Knowledge of microservices architecture, API design (REST, GraphQL) Experience with containerization (Docker, Kubernetes) and cloud-native development patterns DevOps & SRE Practices Experience implementing CI/CD pipelines and DevOps methodologies Knowledge of infrastructure monitoring (Datadog), log aggregation, and More ❯

and maintaining cloud-native SaaS platforms. Hands-on with component libraries, monorepo tools (e.g., Nx, Turborepo), and state management (MobX, Zustand, Redux, or React Query). Familiar with REST, GraphQL, and real-time data streaming (e.g., WebSockets, SSE). Experience building for multi-tenant, micro-frontend architectures (preferred). Nice to Have Familiarity with accessibility standards (WCAG 2.1) and implementation More ❯

the development process Essential Technical Skills Language - JavaScript, NodeJS, Typescript Framework - NestJS/Express/Microservices Testing - Jest/Mocha/Cypress/React testing Library API – OpenAPI/GraphQL/GRPC Messaging - AMQP/RabbitMQ/Kafka Data Storage - MongoDB/Mongoose Web UI - Angular/ReactJS/Svelte/Webpack/HTML/CSS Security - Oauth2 Build Tools More ❯

the development process Essential Technical Skills Language - JavaScript, NodeJS, Typescript Framework - NestJS/Express/Microservices Testing - Jest/Mocha/Cypress/React testing Library API – OpenAPI/GraphQL/GRPC Messaging - AMQP/RabbitMQ/Kafka Data Storage - MongoDB/Mongoose Web UI - Angular/ReactJS/Svelte/Webpack/HTML/CSS Security - Oauth2 Build Tools More ❯

version control practices. Experience in writing unit-tested, maintainable, and scalable code. Understanding of CI/CD pipelines. Knowledge of database systems such as PostgreSQL and MySQL; interaction via GraphQL . Desirable: Experience building products with Large Language Models (LLMs) and integrating them into production environments. Experience developing in C++ and/or Rust Experience in CI/CD pipelines More ❯

version control practices. Experience in writing unit-tested, maintainable, and scalable code. Understanding of CI/CD pipelines. Knowledge of database systems such as PostgreSQL and MySQL; interaction via GraphQL . Desirable: Experience building products with Large Language Models (LLMs) and integrating them into production environments. Experience developing in C++ and/or Rust Experience in CI/CD pipelines More ❯

workflows. Understanding of web analytics, personalization frameworks, and tracking methodologies. Experience with cloud platforms (AWS Amplify or similar), CI/CD pipelines, and feature flagging. Knowledge of REST and GraphQL API design patterns. Excellent communication and collaboration skills. A keen design sensibility and commitment to secure coding practices. 🌟 Bonus Points Experience integrating LLMs into development workflows (prompt engineering, context management More ❯

tech. 🧠 What You’ll Be 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 to a culture of fast iteration More ❯

tech. 🧠 What You’ll Be 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 to a culture of fast iteration More ❯

series) Proven ability to design and implement large-scale, modular, and maintainable architectures (Domain-Driven Design, Hexagonal/Clean Architecture preferred) Strong experience in API architecture and design (REST, GraphQL, OpenAPI) Deep knowledge of database architecture, query optimization, and performance tuning (SQL and NoSQL) Proven experience designing and maintaining CI/CD pipelines (TeamCity, GitHub Actions, or similar) Proficiency with More ❯

series) Proven ability to design and implement large-scale, modular, and maintainable architectures (Domain-Driven Design, Hexagonal/Clean Architecture preferred) Strong experience in API architecture and design (REST, GraphQL, OpenAPI) Deep knowledge of database architecture, query optimization, and performance tuning (SQL and NoSQL) Proven experience designing and maintaining CI/CD pipelines (TeamCity, GitHub Actions, or similar) Proficiency with More ❯

model with 3 days per week in the office. 💷Highly competitive package + bonus + benefits What You’ll Bring Strong experience with React, TypeScript, Redux, Apollo Client , and GraphQL/REST APIs . Experience working in a cloud-native environment ( AWS or Azure ). Familiarity with data streaming (WebSockets, chunked responses) and front-end performance optimisation . Strong understanding More ❯

professional software engineering experience, ideally working on backend systems, APIs, or AI-related products Proficiency in Python and JavaScript/TypeScript (Node.js) Strong understanding of backend architectures, REST/GraphQL APIs, and data modelling Experience with containerisation (Docker) and cloud platforms ( GCP , AWS , or similar) Familiarity with LLM or AI APIs Exposure to agentic frameworks (LangChain, LlamaIndex, Semantic Kernel, etc. More ❯

professional software engineering experience, ideally working on backend systems, APIs, or AI-related products Proficiency in Python and JavaScript/TypeScript (Node.js) Strong understanding of backend architectures, REST/GraphQL APIs, and data modelling Experience with containerisation (Docker) and cloud platforms ( GCP , AWS , or similar) Familiarity with LLM or AI APIs Exposure to agentic frameworks (LangChain, LlamaIndex, Semantic Kernel, etc. More ❯

experience with AI tools or data driven product features Nice to have • Experience in regulated or compliance heavy environments • Knowledge of security and data privacy best practices • Familiarity with GraphQL, data visualisation or design systems • Experience collaborating with data or clinical teams 📍 London (Hybrid) 💰 Competitive salary and equity potential If you’re excited about building Full stack products that use More ❯

experience with AI tools or data driven product features Nice to have • Experience in regulated or compliance heavy environments • Knowledge of security and data privacy best practices • Familiarity with GraphQL, data visualisation or design systems • Experience collaborating with data or clinical teams 📍 London (Hybrid) 💰 Competitive salary and equity potential If you’re excited about building Full stack products that use More ❯

engineering team. What You’ll Do Design and build scalable backend and fullstack solutions in Node.js, TypeScript, React, AWS Collaborate closely on architecture, data models, and API design (REST, GraphQL, tRPC, WebSockets) Balance speed with long-term maintainability — quality and performance matter here Work on innovative challenges across document parsing, data visualisation, and ML integration Who You Are 5+ years More ❯

engineering team. What You’ll Do Design and build scalable backend and fullstack solutions in Node.js, TypeScript, React, AWS Collaborate closely on architecture, data models, and API design (REST, GraphQL, tRPC, WebSockets) Balance speed with long-term maintainability — quality and performance matter here Work on innovative challenges across document parsing, data visualisation, and ML integration Who You Are 5+ years More ❯

back-end development - Solid experience with Angular (preferably Angular 15+) - Hands-on experience with Next.js and React ecosystem - Familiarity with MongoDB, PostgreSQL, or other databases - Knowledge of RESTful APIs, GraphQL, and WebSockets - Experience with Git, CI/CD pipelines, and cloud platforms (GCP) Nice to Have: - Experience with Docker and container orchestration (e.g., Kubernetes) - Familiarity with testing frameworks (Jest, Mocha More ❯

back-end development - Solid experience with Angular (preferably Angular 15+) - Hands-on experience with Next.js and React ecosystem - Familiarity with MongoDB, PostgreSQL, or other databases - Knowledge of RESTful APIs, GraphQL, and WebSockets - Experience with Git, CI/CD pipelines, and cloud platforms (GCP) Nice to Have: - Experience with Docker and container orchestration (e.g., Kubernetes) - Familiarity with testing frameworks (Jest, Mocha More ❯

to change). Backend and web applications are written in TypeScript, and the apps include a mix of native code and React Native. Tools & Technologies Core Node.js, TypeScript REST, GraphQL Lambdas or other serverless functions AWS/GCP/Azure Infrastructure as Code Datadog or similar observability platforms Effective CI pipelines Databases/data warehousing Bonus Objective-C, Swift, Kotlin More ❯

across product, backend, and infrastructure. The role They’re hiring Senior Full-Stack Engineers (backend-leaning, ~65/35) to help scale intelligent, high-performance systems across: Node.js, TypeScript, GraphQL AWS serverless architecture React (supporting product UI work) Postgres, Redis, and modern tooling You’ll have significant ownership, working directly with founders and product to design and ship features that More ❯