26 to 50 of 63 GraphQL Jobs in the City of London

Hiring: GraphQL Full Stack Engineer - TypeScript | Cloud-Native | Contract (Outside IR35) 🚀 Expert level in GraphQL 📍 West London HQ | Hybrid (1–2 days on site) | Outside IR35 | 6-month initial contract (extensions likely) GraphQL-focused Software Engineer who can design, implement, and evolve high-performing APIs that scale. If crafting elegant GraphQL schemas, building robust TypeScript/Node.js services, and deploying … to cloud-native environments is your idea of fun, this is your next project. Deliverables Design & develop GraphQL API services from schema, supergraph, subgraph design to production integration, ensuring performance, flexibility, and maintainability. Build scalable TypeScript, Node.js services that integrate seamlessly with modern frontends and data sources. Apply DevOps best practices to deliver through CI/CD pipelines (Jenkins, Concourse … Kubernetes. Collaborate in Agile teams, driving API strategy, reviewing pull requests, and improving delivery processes. Ensure APIs are secure, observable, and performant at scale. Experience Strong production experience with GraphQL - from designing graph, supergraphs, subgraphs resolvers to versioning and evolving APIs. Proven skills in TypeScript and Node.js Back End development. Familiarity with testing frameworks (Vitest, Playwright) for both API and More ❯

and context Participate in release testing and ensure product stability before deployment Requirements Proven experience testing front-end (React/React Native) and back-end (Node.js/REST/GraphQL) systems Strong understanding of software QA methodologies, tools, and processes Experience writing automated tests with frameworks such as Playwright, Cypress, Jest, or similar Familiarity with CI/CD pipelines and More ❯

and continuously seek improvement. Key Responsibilities: •Solution Design: Lead the architecture of CRM solutions aligned to business goals and company standards. •System Integration: Design integrations with external APIs, REST, GraphQL, and messaging systems to enable near real-time updates. •Data Architecture: Provide CRM data modelling, management, and migration strategies for local/global rollouts. •3rd Party Integration: Evaluate and recommend More ❯

and continuously seek improvement. Key Responsibilities: •Solution Design: Lead the architecture of CRM solutions aligned to business goals and company standards. •System Integration: Design integrations with external APIs, REST, GraphQL, and messaging systems to enable near real-time updates. •Data Architecture: Provide CRM data modelling, management, and migration strategies for local/global rollouts. •3rd Party Integration: Evaluate and recommend More ❯

lead role Experience developing large-scale business-critical SaaS applications In-depth knowledge of the React and React Native frameworks Excellent programming skills in JavaScript, preferably with TypeScript and GraphQL experience A good understanding of the Android and iOS platforms Experience with frontend testing frameworks Familiarity with modern front-end build pipelines and tooling Understanding of mobile UI/UX More ❯

lead role Experience developing large-scale business-critical SaaS applications In-depth knowledge of the React and React Native frameworks Excellent programming skills in JavaScript, preferably with TypeScript and GraphQL experience A good understanding of the Android and iOS platforms Experience with frontend testing frameworks Familiarity with modern front-end build pipelines and tooling Understanding of mobile UI/UX More ❯

team. Hands-on experience in at least one part of our stack is essential: Mobile: React Native, iOS/Android Web Frontend: React, TypeScript, Apollo, Tailwind Backend: TypeScript, Go, GraphQL, PostgreSQL, gRPC Hosting: GCP, AWS Above all, you bring strong commercial insight and a collaborative mindset, partnering seamlessly with product, marketing, and data stakeholders to translate vision into scalable engineering More ❯

team. Hands-on experience in at least one part of our stack is essential: Mobile: React Native, iOS/Android Web Frontend: React, TypeScript, Apollo, Tailwind Backend: TypeScript, Go, GraphQL, PostgreSQL, gRPC Hosting: GCP, AWS Above all, you bring strong commercial insight and a collaborative mindset, partnering seamlessly with product, marketing, and data stakeholders to translate vision into scalable engineering More ❯

Developer, you will be helping deliver ground-breaking Ai products to market, playing a pivotal role in designing, developing, and maintaining current and new capability. Key Requirements: Python Django GraphQL Kubernetes Git Excellent educational background Compensation: This role is offering up to £85,000 + benefits. How to apply: Please apply through the link on this page. More ❯

Developer, you will be helping deliver ground-breaking Ai products to market, playing a pivotal role in designing, developing, and maintaining current and new capability. Key Requirements: Python Django GraphQL Kubernetes Git Excellent educational background Compensation: This role is offering up to £85,000 + benefits. How to apply: Please apply through the link on this page. More ❯

sketch to live in hours, not months 🤝 Impactful work – collaborate with hardware teams solving world-changing problems What we’re looking for Strong skills across Figma, CSS, React, TypeScript, GraphQL Experience in startups – comfortable with fast-paced, high-ownership environments 2+ years as a Software Engineer The package £100k – £150k salary + meaningful equity Hybrid setup: 3 days per week More ❯

clear, pragmatic communication style Experience leading complex technical projects or products, either in a company, startup, or open-source community Bonus points if you’ve worked on privacy tech, GraphQL, OAuth, embedded systems, or large-scale data pipelines. 🌍 Why You Might Love It: ✅ A bold mission with global impact ✅ Remote-first setup (EST to CET) + offices in Berlin & multiple More ❯

technology stacks, for instance reconciling authentication flows—one acquisition might rely on OAuth 2.0 with Auth0, another on Firebase Auth—and standardising them via a unified backend integration using GraphQL with Apollo Client for real-time queries. On the user journey side, you will map and streamline mobile pathways, merging fragmented experiences like payment processing—perhaps one app uses Stripe More ❯

driven experiences Contribute to the technical direction and feature development of live products Collaborate in a small, autonomous team with direct access to leadership 🛠 Stack: React Native, React, TypeScript, GraphQL, AWS 🏢 Hybrid: 3 days per week onsite (Central London) 💰 Package: >£70k base + 10% + Equity This is a rare opportunity to join a profitable AI company with no external More ❯

driven experiences Contribute to the technical direction and feature development of live products Collaborate in a small, autonomous team with direct access to leadership 🛠 Stack: React Native, React, TypeScript, GraphQL, AWS 🏢 Hybrid: 3 days per week onsite (Central London) 💰 Package: >£70k base + 10% + Equity This is a rare opportunity to join a profitable AI company with no external More ❯

the ability to collaborate across technical and non-technical teams. Experience working in agile environments with cross-functional teams. Bonus points for Experience with API-first content delivery and GraphQL . Knowledge of personalization engines and dynamic content rendering. Background in semantic content modeling and linked data principles . If this sounds like it could be of interest, feel free More ❯

the ability to collaborate across technical and non-technical teams. Experience working in agile environments with cross-functional teams. Bonus points for Experience with API-first content delivery and GraphQL . Knowledge of personalization engines and dynamic content rendering. Background in semantic content modeling and linked data principles . If this sounds like it could be of interest, feel free More ❯

new product features Develop and maintain the APIs that power our platform Contribute to system reliability by taking part in our on-call rotation Requirements Solid experience with Python, GraphQL, and MongoDB Flexibility to move across the stack when needed Hands-on experience in blockchain development Strong product intuition with a focus on user experience Benefits Competitive salary Top-quality 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 ❯

learning and embracing new tech. Languages : 🌳 Ruby-on-Rails, Java, Python, C# 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and … back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use DevOps processes, including virtualization , containerization More ❯

cross-platform app built entirely in Flutter, with a clean, scalable architecture and a product that’s already live and growing fast. The stack includes Riverpod for state management, GraphQL for API communication, and Firebase for auth, analytics, and push. You’ll be hands-on with everything from UI polish to performance tuning, and you’ll have a strong voice More ❯

Trading UI Engineer – Front Office JavaScript, React, typescript, NodeJS, Tailwind, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API. Real Time Trading Software, UI Development Perm Role – London – Onsite. £80000 - £100000 plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software Developer … Key Tech Stack: Extensive React UI Development. Solid JavaScript programming Experience with Typescript Experience with Data Visualisation development. HTML and C55 Experience in Real Time trading application. Experience with GraphQL RESTful API development. BSc with Computer Science, Engineering or Mathematics. Experience with Financial Services, Fintech or Trading environment. With a generous Basic Salary there is also a very healthy bonus More ❯

Trading UI Engineer – Front Office JavaScript, React, typescript, NodeJS, Tailwind, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API. Real Time Trading Software, UI Development Perm Role – London – Onsite. £80000 - £100000 plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software Developer … Key Tech Stack: Extensive React UI Development. Solid JavaScript programming Experience with Typescript Experience with Data Visualisation development. HTML and C55 Experience in Real Time trading application. Experience with GraphQL RESTful API development. BSc with Computer Science, Engineering or Mathematics. Experience with Financial Services, Fintech or Trading environment. With a generous Basic Salary there is also a very healthy bonus More ❯

technical roadmap, ship code daily, and translate priorities between engineers and the C-suite. What you’ll do Hands-on architecture & coding – design and deliver TypeScript across Next.js, Node, GraphQL/tRPC and supporting services. Browser automation & AI integration - extend and maintain headless test flows (Puppeteer/Playwright/Selenium) that power automated UX checks; explore LangGraph.js and LLMs for … delivery of SaaS or platform work - moving from prototype to hardened, multi-tenant production. Solid with React/Next.js SSR/SSG patterns, API design (REST and/or GraphQL), and database-backed services. Comfortable designing and operating AWS infrastructure via Terraform (or Pulumi, CDK). Hands-on experience with browser automation (Playwright, Puppeteer, Selenium) for testing or data-gathering. More ❯

HUG is excited to partner with an innovative healthtech startup to recruit Full Stack Tech Lead to join their UK team. This dynamic company is driving impactful solutions in the healthcare industry, offering a collaborative and fast-paced environment for More ❯