301 to 325 of 439 GraphQL Jobs in the UK

Typescript Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £650.00 per day
company's approach to distributed data and developer experience. Day-to-day responsibilities include: Designing and implementing backend services in TypeScript using Node.js (REST, GraphQL, workers, event-driven consumers). Building and integrating services that interact with event-sourced or streaming systems. Creating clean, well-structured APIs and internal tools … Tech Stack & Skills Core skills: Expert-level TypeScript experience and strong proficiency with Node.js in production environments. Skilled in designing and implementing REST or GraphQL APIs, background workers, and microservices. Ability to work with SQL or NoSQL databases and understand how to model and query data effectively. Familiarity with distributed ...

Senior Full Stack Software Engineer

Location
Greater London, England, United Kingdom
backend or frontend, plus enough range to work confidently across the others. Our technology stack consists of: React Native mobile applications React web applications GraphQL layer using Apollo Server and Apollo Client Python services running Flask and FastAPI Kubernetes based microservice architecture running on Google Cloud Platform Cloud Postgres … three areas above that isn't your main one Docker and containerised applications Building and consuming REST and GraphQL APIs Kubernetes, Terraform, or GCP Experience working with AI coding agents IoT and distributed connected hardware in the real world What we are offering in return The chance to build ...

Senior Software Engineer (Interoperability)

Location
Sheffield, England, United Kingdom
manufacturing systems, enabling their transformation into a modern digital ecosystem. Evaluate existing infrastructure and recommend architectural improvements, protocols, and communication standards (e.g., REST, MQTT, GraphQL, SPARQL). Write clean, maintainable, and scalable software solutions to support integration projects, transitioning proof-of-concept scripts into robust backend services, including management … desirable: Essential Stage(s) assessed at: Interview/Application Criterion: Proven track record in designing and implementing interoperable software systems, APIs (e.g., REST, GraphQL, OpenAPI), message brokers, and robust data integration pipelines utilising standard data exchange formats (e.g. JSON, XML). Essential or desirable: Essential Stage(s) assessed at: Interview ...

Senior AI & API Security Architect

Location
United Kingdom
Architect in the United Kingdom. You will lead architecture decisions for API and AI-centric systems, guiding engineering teams on secure patterns for REST, GraphQL, and gRPC, while ensuring secure SDLC and governance across platforms. You will work hands-on with authentication/authorization mechanisms, API gateways, and AI gateways ...

Senior Frontend Engineer (React & React Native) - Flexible Schedule

Location
Greater London, England, United Kingdom
tooling. You should have 7+ years as a Front-End Engineer, mastery of React 18+ with TS, Redux/MobX/Zustand, REST/GraphQL, and experience with RN and RN SDKs. Expect a fast-paced, international team with a flexible, autonomous culture. #J-18808-Ljbffr ...

Senior Mobile Engineer: Real-Time Apps & AI-Driven UX

Location
Greater London, England, United Kingdom
devices. Join a fast‐growing, tech‐driven retail group and shape how millions interact with our ecosystem using React Native or Flutter, REST/GraphQL, and modern deployment #J-18808-Ljbffr ...

Senior Frontend Developer (React, JavaScript, GraphQL) - Sussex

Hiring Organisation
Salt Search
Location
West Sussex, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £700.00 per day
Senior Frontend Developer (React, JavaScript, GraphQL) - Sussex Daily rate: £500 - £700 (inside IR35) Duration: 6 months Hybrid: 2 days per week Start: ASAP We're looking for 2 Senior Frontend Developers to join a fast-paced digital team, helping to build and enhance customer-facing web and mobile experiences using … modern front-end technologies. You will work hands-on with modern front-end technologies, including React, Next.js, GraphQL, and headless CMS systems (Adobe AEM), delivering exceptional, secure, accessible, and high-performing interfaces. What You'll Do Develop responsive web applications using React, Next.js, and JavaScript Build accessible, secure, and high ...

Dev Team Lead

Hiring Organisation
Consortia
Location
London, UK
Employment Type
Full-time
mgmt. and dev, I would say you would be looking at around 75% mgmt. with 25% dev. The overall tech stack is React, TypeScript, GraphQL, Apollo, and AWS but don't feel like you need all of these in your locker to apply. Some key responsibilites are: Delivering strategic tech ...

Tech Lead

Hiring Organisation
Consortia
Location
London, UK
Employment Type
Full-time
mgmt. and dev, I would say you would be looking at around 75% mgmt. with 25% dev. The overall tech stack is React, TypeScript, GraphQL, Apollo, and AWS but don't feel like you need all of these in your locker to apply. Some key responsibilites are: Delivering strategic tech ...

Engineering Manager

Hiring Organisation
Consortia
Location
London, UK
Employment Type
Full-time
mgmt. and dev, I would say you would be looking at around 75% mgmt. with 25% dev. The overall tech stack is React, TypeScript, GraphQL, Apollo, and AWS but don't feel like you need all of these in your locker to apply. Some key responsibilites are: Delivering strategic tech ...

Full-Stack Engineer

Location
Greater London, England, United Kingdom
data flows. This is an in‐person role based in London. Technology Stack Our stack is Python (backend), React (frontend), Prefect (orchestration), and GraphQL (API layer). You don't need to be an expert in all of these, but Python proficiency is required and you should be comfortable picking ...

React Developer

Hiring Organisation
Consortia
Location
London, UK
Employment Type
Full-time
clean, scalable codeCollab with x-functional teamsRotate teams on a quarterly basis to complete a variety of tasks Tech stack includes React, React Native, GraphQL, AWSThe successful React Developer will have access to remote/flexible working, unlimited holiday, and discounts with all kinds of retail stores/outlets. ...

React Developer

Hiring Organisation
Consortia
Location
Manchester, United Kingdom
clean, scalable codeCollab with x-functional teamsRotate teams on a quarterly basis to complete a variety of tasks Tech stack includes React, React Native, GraphQL, AWSThe successful React Developer will have access to remote/flexible working, unlimited holiday, and discounts with all kinds of retail stores/outlets. ...

React Developer

Hiring Organisation
Consortia
Location
Bristol, United Kingdom
clean, scalable codeCollab with x-functional teamsRotate teams on a quarterly basis to complete a variety of tasks Tech stack includes React, React Native, GraphQL, AWSThe successful React Developer will have access to remote/flexible working, unlimited holiday, and discounts with all kinds of retail stores/outlets. ...

Senior Mobile Engineer

Location
Greater London, England, United Kingdom
mobile apps that real users depend on. Strong with React Native or Flutter (native iOS/Android a plus). Experience integrating REST/GraphQL APIs, payments, maps, and real-time features. A feel for mobile UX and an eye for detail. Self-directed, curious, and comfortable owning whole features. ...

Senior Android Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
Architecture, SOLID principles, and Kotlin Coroutines/Flow. Testing & APIs: Hands-on experience with unit/UI testing (JUnit, Mockk, Espresso) and RESTful/GraphQL APIs. Scale: Background building high-traffic, production-grade consumer mobile applications. Randstad Technologies is acting as an Employment Business in relation to this vacancy. ...

Senior Android Engineer

Hiring Organisation
Randstad Technologies
Location
Manchester, Lancashire, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £550.00 per day
Architecture, SOLID principles, and Kotlin Coroutines/Flow. Testing & APIs: Hands-on experience with unit/UI testing (JUnit, Mockk, Espresso) and RESTful/GraphQL APIs. Scale: Background building high-traffic, production-grade consumer mobile applications. Randstad Technologies is acting as an Employment Business in relation to this vacancy. ...

AI Product Engineer

Location
United Kingdom
cross-functional teams Participate in code reviews & pair-programming Document work & share knowledge Experience: 2+ years professional software development Familiarity with RESTful APIs or GraphQL Experience with version control (Git) Previous work in agile/scrum environments Educational requirements: Bachelor’s degree in Computer Science or related OR equivalent practical ...

Senior Mobile Engineer

Location
Greater London, England, United Kingdom
mobile apps that real users depend on. Strong with React Native or Flutter (native iOS/Android a plus). Experience integrating REST/GraphQL APIs, payments, maps, and real-time features. A feel for mobile UX and an eye for detail. Self-directed, curious, and comfortable owning whole features. ...

Frontend Developer (Vue.js & React)

Location
Greater London, England, United Kingdom
implement pixel-perfect UIs Optimize applications for maximum speed and scalability Write clean, maintainable code with proper documentation Integrate with RESTful APIs and GraphQL endpoints Requirements 3+ years of frontend development experience Strong proficiency in Vue.js (Vue 3, Composition API) Solid experience with React and modern React patterns (hooks, context ...

iOS Engineer - £600 per day

Hiring Organisation
Ventula Consulting
Location
Manchester, Lancashire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 Daily
architecture (MVVM or similar). Solid understanding of UIKit interoperability. Strong knowledge of Xcode and Apple development tooling. Experience consuming REST and/or GraphQL APIs. Experience debugging production applications. Experience writing unit tests. Familiarity with CI/CD pipelines. Ability to quickly understand large existing codebases. Ability to work ...

Senior Backend Architect: Scalable APIs & Security

Location
Greater London, England, United Kingdom
deployed cloud web applications, acting as the backbone of our software operations.### Key Responsibilities* Architecting, orchestrating, and meticulously deploying scalable RESTful and GraphQL APIs.* Implementing uncompromising enterprise-grade security, data protection measures, and encryption protocols.* Executing deep-level optimizations on database queries (SQL/NoSQL) to handle massive high-throughput ...

Copilot Solution Architect

Hiring Organisation
WeDo Technology Solutions Limited
Location
Martock, Somerset, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £95,000 per annum
agents, grounding data and retrieval approaches Designing integrations between Microsoft 365, AI services and line-of-business applications using Microsoft Graph, REST APIs and GraphQL Defining security, compliance and data architecture using Microsoft Purview, Defender and Microsoft 365 security controls Establishing AI governance around access, licensing, data exposure and responsible ...

Lead JavaScript Engineer

Hiring Organisation
RedCat Digital
Location
London, United Kingdom
React, or AngularApply backend experience with NextJS, Express, or KoaDemonstrate expertise in JavaScript, with some knowledge of TypescriptIntegrate with external REST APIs and implement GraphQL solutionsWrite comprehensive unit, integration, and end-to-end tests to ensure code qualityWhat they are looking for:Proven experience in building and developing robust ...

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 ...