19 of 19 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 ...

Engineer C# (Full Stack)

Location
City Of London, England, United Kingdom
Excellent problem‐solving, communication, and collaboration skills. Desired: Experience with microservices and event‐driven architectures. Experience with AI‐assisted design and coding. Knowledge of GraphQL and WebSockets. Familiarity with observability tools such as OpenTelemetry and Grafana. Experience with Infrastructure as Code (Terraform). Understanding of financial markets or trading systems. ...

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 ...

Hands-on Tech Lead — Residential Ops Platform (React/TS)

Location
City Of London, England, United Kingdom
will work across front-end and back-end, ensuring secure, scalable multi-tenant applications using React, TypeScript, .NET Core, Node.js and REST/GraphQL, while guiding architecture and delivery. #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 ...

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 ...

Senior Backend Developer

Hiring Organisation
Rullion - Eon
Location
City of London, London, United Kingdom
Employment Type
Contract
Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels who are passionate about crafting exceptional products. Initially it will be a ...

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 ...

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 ...