25 of 25 Permanent GraphQL Jobs in the Thames Valley

build, and optimize this infrastructure. Technology Stack (Current & Expected)Backend Node.js (Primary) NestJS/Express.js Python (Microservices/Risk modules) REST & Webhook-based APIs GraphQL (where required) Database PostgreSQL MongoDB Redis (Caching & Queue management) Messaging & Queues Kafka/RabbitMQ Bull Queue (Node-based background jobs) Cloud & Infrastructure ...

record maintaining secure applications in production Strong written and verbal communication skills Growth-oriented mindset Early-stage startup experience Nice to haves: SQL, ElasticSearch, GraphQL GitLab CI/CD pipelines Fullstack skills including Typescript, React, Styled-components, HTML & CSS Supply chain domain knowledge ...

record maintaining secure applications in production Strong written and verbal communication skills Growth-oriented mindset Early-stage startup experience Nice to haves: SQL, ElasticSearch, GraphQL GitLab CI/CD pipelines Fullstack skills including Typescript, React, Styled-components, HTML & CSS Supply chain domain knowledge ...

record maintaining secure applications in production Strong written and verbal communication skills Growth-oriented mindset Early-stage startup experience Nice to haves: SQL, ElasticSearch, GraphQL GitLab CI/CD pipelines Fullstack skills including Typescript, React, Styled-components, HTML & CSS Supply chain domain knowledge ...

collaboration Back-end Experience with some of the following, or a strong willingness to learn: Node.js – building scalable, maintainable services APIs – RESTful design (GraphQL a plus), authentication, validation, rate limiting Databases – PostgreSQL/MySQL, schema design, indexing, query optimisation ORMs – Sequelize or similar (migrations, associations, transactions) Business logic – handling payments ...

platform Audit, refactor, and improve legacy code without full rewrites Introduce modern front-end frameworks (React, Vue, Angular) Design and maintain APIs (REST/GraphQL) Improve performance, security, and scalability Contribute to DevOps, CI/CD, and cloud infrastructure Mentor junior developers and support best practices What Theyre Looking ...

applications Building and maintaining high‐performance APIs and distributed microservices Solving problems around scalability, reliability, security, and automation Working with modern API protocols including GraphQL and gRPC Enhancing the platform that connects both traditional and on‐chain financial services Must‐have experience: Strong backend engineering background with deep coding experience ...

platform • Audit, refactor, and improve legacy code without full rewrites • Introduce modern front-end frameworks (React, Vue, Angular) • Design and maintain APIs (REST/GraphQL) • Improve performance, security, and scalability • Contribute to DevOps, CI/CD, and cloud infrastructure • Mentor junior developers and support best practices What They’re Looking ...

Behavior Driven Development (BDD) and Waterfall) Knowledge of any or all of the following technologies is desired: Kafka, Postgres, Golang, Git, gRPC, Docker, GraphQL Experienced in continuous integration (CI), continuous deployment (CD) and continuous testing (CT), including tools such as Jenkins, Rally and/or JIRA and version control such ...

models. Learn, use, and improve best practices and processes for high-quality software development. Our technology stack includes Python 3.11, PostgreSQL, Django, mypy, GraphQL, Docker, Redis, Typescript, React. Qualifications We're only considering exceptional candidates, with the following pre-requisites: 5+ years of professional software development experience. 2+ years ...

with willingness to learn the other) Advanced experience in Java or Rust (with willingness to learn the other) Familiarity with Python RESTful API and GraphQL development Database design and optimization (Postgres, MySQL, Redis) Experience leveraging AI tools to accelerate development is a plus Soft Skills: Proven ability to lead complex ...

with willingness to learn the other) Advanced experience in Java or Rust (with willingness to learn the other) Familiarity with Python RESTful API and GraphQL development Database design and optimization (Postgres, MySQL, Redis) Experience leveraging AI tools to accelerate development is a plus Soft Skills: Proven ability to lead complex ...

with willingness to learn the other) Advanced experience in Java or Rust (with willingness to learn the other) Familiarity with Python RESTful API and GraphQL development Database design and optimization (Postgres, MySQL, Redis) Experience leveraging AI tools to accelerate development is a plus Soft Skills: Proven ability to lead complex ...

both in terms of vanilla, frameworks such as ReactJS/Angular Good understanding of working with APIs, both REST and using services such as GraphQL Working knowledge of core AWS services and how they relate. Familiarity with Git and branching strategies In addition to a competitive salary, our benefits package ...

both in terms of vanilla, frameworks such as ReactJS/Angular Good understanding of working with APIs, both REST and using services such as GraphQL Working knowledge of core AWS services and how they relate. Familiarity with Git and branching strategies In addition to a competitive salary, our benefits package ...

both in terms of vanilla, frameworks such as ReactJS/Angular Good understanding of working with APIs, both REST and using services such as GraphQL Working knowledge of core AWS services and how they relate. Familiarity with Git and branching strategies In addition to a competitive salary, our benefits package ...

architecture, and performance optimization. Key Responsibilities Backend Development Develop and maintain scalable backend services using Go (Golang). Design and implement RESTful APIs and GraphQL endpoints. Build APIs for data ingestion and service-to-service communication. Write clean, maintainable, and efficient production-level code. Implement authentication and security best practices ...

105k | Lead - up to 125k Location: East/Central London (x4 days per week onsite) Tech stack includes: NodeJS, TypeScript, React, PostgreSQL, GraphQL, AWS, GitHub Actions, Pulumi. Current team size: x2 Engineers (plan is to grow to 4 in total) We're working with a profitable Tech4Good startup company, their ...

aligned with best practices Contribute to performance optimisation and secure coding standards Requirements Strong experience with React and/or React Native Experience with GraphQL and RESTful APIs Solid understanding of web fundamentals (DOM, CORS, browser storage, request/response lifecycle) Strong knowledge of mobile platforms, including native modules ...

Alongside QE Manager, deliver automation strategy within a product area Write high-quality automation code (Python or TypeScript) Work across backend APIs (REST, ideally GraphQL exposure) Line manage 3 - 4 QAs (light-touch mentoring & performance reviews) Partner with Product & Engineering to improve release quality Build tools or frameworks where gaps ...

Android applications. Proficient in Kotlin (and familiar with Java), with a solid grasp of Android fundamentals and app lifecycle. Comfortable working with REST/GraphQL APIs, client/server patterns, and modern Android tooling (e.g., Jetpack, Compose). Intentional about building high‐quality, performant, and accessible Android user experiences. Thoughtful ...

modern JavaScript (ES6+). Proven experience with state‐management libraries (e.g., Redux, Zustand). Solid experience integrating front‐end apps with RESTful APIs, (GraphQL is a bonus). Experience with testing frameworks (e.g., Jest, React Testing Library). Comfortable with CI/CD pipelines, version control (Git), modern build tools … side rendering or static site generation (Next.js). Exposure to AI/ML integrations or advanced analytics in a front‐end context. Familiarity with GraphQL or micro‐frontend architectures or enterprise‐grade front‐end tooling. What We Offer Salary: £70,000 – £75,000 + equity participation. Hybrid working model ...

Grade Architecture Standardised patterns from intake → build → QA → deploy → measure Secure-by-default engineering GDPR-safe, compliance-ready systems Workflow Automation at Scale Scalable GraphQL APIs Event-driven systems with strong reliability guarantees Monitoring, logging, error handling & documentation that scales What You'll Build High-concurrency APIs with retries, idempotency … asset management) Reporting and dashboard surfaces that remain consistent under load Systems designed to scale confidently from 10 → 10,000+ users Tech Stack NodeJS GraphQL (NestJS) PostgreSQL Prisma GCP Terraform AI/LLM integrations (including Gemini) What They're Looking For Strong fundamentals: data structures, OOP, and complexity analysis Experience ...

Experience in delivering ecommerce solutions. · Design and development experience in eCommerce. · 10+ years of full stack development expertise (Node.js, React.js, Lambda programming, GraphQL, Type Script, workflow) · Should have used and enabled AI across design, development and testing. · Experience in delivering ecommerce solutions. · Design and development experience in eCommerce. · 10+ years … full stack development expertise (Node.js, React.js, Lambda programming, GraphQL, Type Script, workflow usage) · Functional knowledge about order orchestration – (order to cash) · Should have used and enabled AI across design, development and testing. · Functional understanding of middleware – (Kafka) · Experience in delivering ecommerce solutions. · Design and development experience in eCommerce. · 10+ years ...

What you'll be doing: Design and build scalable, production-grade backend systems Develop high-performance APIs and event-driven architectures Work with GraphQL and modern backend frameworks to power core product features Ensure reliability through monitoring, logging and resilient system design Collaborate closely with product, frontend and design teams … platform scales Support AI and LLM-driven functionality within the product What you'll need: Strong commercial experience with NodeJS Experience with GraphQL, ideally within a structured backend framework Solid understanding of PostgreSQL and data modelling Strong system design skills and understanding of scalable architecture Experience building secure, enterprise-ready ...