22 of 22 GraphQL Jobs in Central London

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 ...

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 ...

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 ...

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 ...

powered products. The role spans backend, API design, MCP integration and frontend development with React and TypeScript. You will design scalable REST/GraphQL APIs, implement agent-to-agent connectivity, and build production-grade frontend apps while collaborating with UX and product teams. #J-18808-Ljbffr ...

Cathcart Technology is seeking a TypeScript Developer for a 6-month contract in London. You will join an established organisation redeveloping their main product for a new region, focusing on backend API and AWS. You ...

security, scalability, and performance optimization . Experience migrating legacy content into AEM, including scripting and automating content workflows. Familiarity with Adobe I/O , GraphQL , and Content Fragment Models . Practical experience in Agile delivery , CI/CD , and DevOps environments. Strong problem-solving and debugging skills, with the ability ...

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 ...

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 ...

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 ...

Firebase or similar) Backend and API Tracing a request from UI through the mobile networking layer to the backend service and back REST/GraphQL/gRPC, OpenAPI and contract inspection, API gateway and BFF patterns OAuth 2.0/OIDC token flows as implemented on device Third-party SDK inventory ...

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 ...

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 ...

system evolution. Ability to develop a deep understanding of unfamiliar codebases and turn investigation into sound engineering decisions. Experience designing client‐facing REST and GraphQL APIs, with sound judgment about business‐logic placement, product states, and backward compatibility. Understanding of how mobile lifecycle and network constraints affect backend design. Strong ...

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 ...

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 ...

experienced building extensions/scripts. Experience with developing and maintaining web-focused tooling and automation (Burp extensions, custom scanners, authenticated API fuzzers, GraphQL mutation explorers, Puppeteer/Playwright scripts). Experience with source code reviewing for control flow and security flaws A passion for constructively break things Want ...

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 ...

enough to read, question and validate, not necessarily to write Backend, API and integration Mobile-to-backend integration patterns: BFF, API gateway, REST/GraphQL/gRPC, versioning and contract management Identity and authorisation: OAuth 2.0, OIDC, token lifecycle, session management, step-up authentication; FAPI and Open Banking awareness Understanding ...

Location: London, EC1M 6PB Contract: 6 Month Contract Hours: Full-time, 37 hours per week Hybrid: 1 day per week onsite in London Rate: TBC Join a dynamic energy provider dedicated to delivering sustainable solutions ...

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 ...

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 ...