21 of 21 Permanent GraphQL Jobs in London

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 ❯

frameworks, and generative AI technologies Communicate progress and technical insights clearly to stakeholders What We’re Looking For Strong technical background in TypeScript, React, Node.js, and Next.js Familiarity with GraphQL, Postgres, and Redis Experience using testing frameworks such as Jest and Cypress Solid understanding of CI/CD, DevOps , and cloud hosting (AWS, Docker, Pulumi, Heroku) Confident delivering features quickly More ❯

including state management, asynchronous operations, and authentication flows, with the ability to assess design options and advise teams on integration approaches rather than implementing directly * Familiarity with RESTful and GraphQL API consumption and integration, including security considerations and cloud-native architectures (Azure preferred) * Working knowledge of architecture patterns, performance optimisation strategies, and security best practices * Awareness of content delivery approaches More ❯

end rebuild, re-platforming their architecture, building microservices in Node.js and TypeScript, and a host of new feature development work. Tech Stack: Node.js, TypeScript, JavaScript MongoDB (NoSQL), REST/GraphQL APIs Azure Cloud, containerised deployments HTML, CSS What we re looking for: 5+ years experience in backend or full stack development Strong knowledge of Node.js, TypeScript, and microservices architecture Stong More ❯

end rebuild, re-platforming their architecture, building microservices in Node.js and TypeScript, and a host of new feature development work. Tech Stack: Node.js, TypeScript, JavaScript MongoDB (NoSQL), REST/GraphQL APIs Azure Cloud, containerised deployments HTML, CSS What we’re looking for: 5+ years’ experience in backend or full stack development Strong knowledge of Node.js, TypeScript, and microservices architecture Stong More ❯

end rebuild, re-platforming their architecture, building microservices in Node.js and TypeScript, and a host of new feature development work. Tech Stack: Node.js, TypeScript, JavaScript MongoDB (NoSQL), REST/GraphQL APIs Azure Cloud, containerised deployments HTML, CSS What we’re looking for: 5+ years’ experience in backend or full stack development Strong knowledge of Node.js, TypeScript, and microservices architecture Stong More ❯

microservices architecture (Clean Architecture, CQRS) A strong background in relational database theory and excellent knowledge of Relational Databases (SQL Server/MYSQL/Oracle) Experience with communication protocols like GraphQL, GRPC Experience with asynchronous pub-sub message bus architectures such as RabbitMQ Kafka or equivalent Experience with C CLI Experience with Python More ❯

architecture landscape. What We're Looking For Extensive experience in enterprise and solution architecture , ideally within large-scale, regulated environments. Proven track record designing API-centric solutions (REST, SOAP, GraphQL) and implementing event-driven patterns . Strong understanding of integration architectures , microservices , and services-based delivery models . Solid knowledge of Java, .NET, SQL, and SOA environments, plus experience with More ❯

HTML5,CSS3,JavaScript(ES6+),React/Vue ,andmodernfront-endbuildtools(Webpack,Vite,etc.). Experiencebuilding customShopifyapps using Node.js or RubyonRails . Familiaritywith Headless/Hydrogen/StorefrontAPI approaches. Provenexperiencewith ShopifyAPIs,GraphQL,andwebhooks . StrongunderstandingofecommerceprinciplesandUXbestpractices. Experienceleadingprojectsormentoringdevelopers. Excellentcommunicationandcollaborationskills. Mustbe basedintheUK withfullrighttowork. NicetoHave Experiencewith TypeScript . Familiaritywith headlessCMS platforms(e.g.Contentful,Sanity). Knowledgeof CI/CDpipelines andmodernDevOpsworkflows. Previousexperienceinan agencyenvironment . ThisroleoffersflexibleworkingandyoumustbebasedintheUK. 2Stageinterviewprocesswithinterviewslotsimmediatelyavailable. Applynowtobeconsidered. More ❯

different time zones Knowledge of international payment systems integration on the frontend Experience scaling frontend applications for international markets Previous experience in the parking or mobility sector Experience with GraphQL and modern API integration patterns Knowledge of micro-frontend architectures Experience with advanced performance monitoring and observability tools Growth Opportunities Opportunity to shape the frontend strategy for a rapidly growing More ❯

you.. We are seeking an individual with the ability to maintain, enhance, and deploy changes to our existing quoting application and backend APIs. This role will primarily involve using GraphQL & Go on the backend with some React with TypeScript on the frontend when required. The engineering team at UW is known for its high visibility, consumer-facing projects, and delivery More ❯

In your role you will: Architect and implement AWS integrations using EKS (Kubernetes) and Lambda, with a focus on scalability and container orchestration. Build and manage secure REST/GraphQL APIs via API Gateway, including auth, throttling, and schema validation. Integrate with enterprise systems (e.g. SAP, Salesforce, Oracle) for both batch and real-time data flows. Use SQS, SNS, and More ❯

traffic well Handy, but not essential: Experience leading teams or mentoring other developers Experience working on a multi-national codebase Previous experience in the energy industry Our stack: React GraphQL & Apollo Styled Components & SASS Jest & React Testing Library TypeScript Storybook Xstate (desirable) We would prefer someone who can work in our London office but will consider remote candidates. However, you More ❯

breaking core stability. Make the platform easier to scale, extend, and maintain, both for our team and for external developers. Stack: Backend & Core: (TypeScript) - Fastify for REST, Apollo for GraphQL, TypeORM, Redis, PostgreSQL Side deps: chalk, chokidar, commander, winston, class-transformer, class-validator Frontend: v15 & React v19 More ❯

team to create new features in the app Be part of a team to deal with any incidents Engage in coding and RFC tests Requirements: Programming skill in Python, GraphQL and MongoDB Advanced skill in building APIs Previous experience in building on the blockchain Experience in working with start ups Benefits: Competitive salary Bonus Medical, Dental and vison insurance Flexible More ❯

largest enterprises. What you’ll be doing: Designing and developing enterprise-grade SaaS features across backend and frontend systems Building secure, scalable, and high-performing APIs and services (NestJS, GraphQL, REST) Creating data-driven dashboards and UIs with React, Next.js, and Chakra UI Translating product and design requirements into elegant, maintainable solutions Troubleshooting and optimising performance across the full stack … and processes What they’re looking for: 5+ years’ experience building enterprise SaaS products (ideally in cybersecurity or data-heavy environments) Strong backend development with TypeScript, NestJS, Sequelize ORM, GraphQL, REST APIs Frontend expertise with ReactJS, NextJS, Typescript, Chakra UI Experience with MySQL and NoSQL databases Familiarity with messaging/event-driven systems (Kafka) Ability to work closely with designers More ❯

observability, SLAs and deployment quality Contributing to key launches (including partner rollout and rebrand work) Supporting distributed system improvements and database migration projects Core Responsibilities Work primarily in Go, GraphQL, Docker & Kubernetes Break down complex work and deliver with minimal oversight Maintain strong engineering standards across code, documentation and security Own deployments within the team’s Kubernetes namespace Mentor mid … first. It’s all about you... We’re looking for a senior backend-leaning engineer to work across our core customer acquisition platforms. You’ll work primarily with Go, GraphQL, Docker and Kubernetes. You’ll own deployments end-to-end within our team’s Kubernetes namespace and contribute to systems where resilience, reliability, observability and uptime really matter. You’ll … pragmatism and low-ego teamwork are essential. Required Skills and Experience To be successful in this role, you’ll need: Strong production experience with Go (non-negotiable) Fluency with GraphQL, Docker and Kubernetes Experience with distributed systems , concurrency and event-driven architectures Good understanding of resilience, observability, uptime, SLAs and progressive degradation Ability to deliver end-to-end: design build More ❯

quickly and effectively new therapies and research tools can be developed, ultimately helping patients worldwide. What You'll Do Develop and improve our frontend applications using TypeScript, React, and GraphQL to create intuitive interfaces for complex biological workflows. Collaborate closely with other engineers to deliver end-to-end product functionality spanning experiment scheduling, automated image analysis, and remote operation of … . Experience with backend development and API design preferred). Experience working with databases (PostgreSQL and Prisma or similar ORM experience ideal). Our technologies Frontend (Netlify): React, TypeScript, GraphQL, Storybook Backend (AWS & Heroku): NodeJS, TypeScript, GraphQL, MQTT, PostgreSQL, Python, Pulumi IaC Physical Device (on-premise): NodeJS, Typescript, FastAPI, Python, MQTT Firmware: C++, GTest, GMock, Bazel, Platformio Nice-to-Haves More ❯

Senior API Technical Consultant (GraphQL Specialist) Design and build next generation of high-scale SaaS platforms. We're looking for a senior/lead engineering consultant with deep expertise in GraphQL to take a leading role in developing our robust TypeScript/Node.js backend. You will be instrumental in shaping our technical direction, driving the evolution of our APIs, ensuring More ❯

Full Stack Engineer (Angular Focus) A growing multi-strategy hedge fund is expanding its infrastructure engineering group. The team delivers scalable internal platforms and automates core services used across the firm. This hire joins a small, high-impact engineering unit More ❯