1 to 25 of 32 GraphQL Jobs in London

Nest.js, Express.js, or FastAPI . Database Mastery – Strong SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis) expertise. API Development & Security – Experience in building RESTful & GraphQL APIs , JWT authentication, OAuth, and cryptographic security. Scalability & Optimization Skills – Ability to optimize database queries, caching strategies, and event-driven architectures (Kafka, RabbitMQ) . Cloud & DevOps ...

engineering organisation. Key Responsibilities Design, develop, and maintain high-quality Java applications using Spring Boot. Build and optimise RESTful APIs and contribute to GraphQL service development. Develop cloud-native solutions using AWS services such as Lambda, API Gateway, DynamoDB, ECS, S3, and others. Contribute to microservices architecture, event-driven systems ...

Tech environment - Not set in Stone Frontend: React, Next.js, TypeScript (or similar) Backend: Node.js (Express, NestJS) or Python (FastAPI, Django) (or similar) APIs: REST, GraphQL (or similar) Databases: PostgreSQL, MongoDB (or similar) AI/Data: Experience integrating AI/ML features via APIs (e.g. OpenAI, Anthropic or similar) Exposure ...

backend. What You Bring to the Table React Node/TypeScript/JavaScript Cloud: AWS, Azure, or GCP. APIs: API design and integration (REST & GraphQL). AI Tooling: Confident using AI-boosted environments to ensure quality (Claude or similar). The Cherry on Top If you’ve dabbled in Infrastructure ...

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 ...

without prior trading/finance experience. Experience with writing unit and integration tests and maintaining CI/CD pipelines. Preferred Qualifications & Experience Experience with GraphQL or REST API development. Knowledge of asynchronous programming, message queues, or real-time streaming architectures. Familiarity with cloud platforms (AWS, GCP, Azure) and container orchestration ...

culture, encouraging peer to peer feedback and evolving healthy, curious and humble teams. Tech Stack: Python, Javascript/Typescript, React/React Native, AWS, GraphQL, Snowflake, Airflow, DDD. This is an incredible opportunity for a Senior Software Engineer to join a unique company as they embark on a period ...

product and engineering team building the systems that power our ability to revolutionize the electric car leasing industry. Our tech stack is Python with GraphQL, React with , PostgreSQL and noSQL databases, running on AWS. What you'll do... Work within a dedicated cross-functional team on key products ...

week in London 🌍 Perks: Remote working, £1k annual flexible benefit, 30 days "work from abroad" p/a 🛠 Tech Stack: Python, FastAPI, gRPC, GraphQL, AWS (EKS), Microservices The Mission 🎯 This scale-up is transforming the insurance landscape through real-time data and telematics. By leveraging smart technology, they reward safe ...

optimisation, SEO principles, and rendering approaches (SSR/SSG) Experience building static sites and working within headless architectures Comfortable working with APIs (REST/GraphQL) and Headless CMS platforms Proficient with TailwindCSS or similar styling approaches Familiar with modern tooling, Git workflows, and component-driven development Exposure to AI-assisted ...

video) What they’re looking for: Strong Staff/Principal level engineering experience Deep expertise across but not limited too: JavaScript, React.js, Node.js, TypeScript, GraphQL, AWS, Docker, CI/CD Experience working in startup/scale-up environments Comfortable operating with ambiguity and pace Able to challenge founders, shape direction ...

supporting infrastructure: git, microservices, containers, etc. Comfortable working with numbers and data, with or without prior trading/finance experience. Preferred Qualifications & Experience GraphQL/Apollo Client. Experience building Single Page Applications (SPAs). Reactive mobile UI development experience. Experience with Material UI or similar component libraries. Familiarity with WebSockets ...

Query Apollo Client Testing Jest React Native Testing Library strong requirement many test files UI Styled Components 6, Reanimated, Gesture Handler, Lottie, Skia APIs GraphQL with codegen, REST with React Query Thirdparty Sentry, NewRelic, Optimizely, Braze, Auth0, Contentful Agile Work Experience ...

right questions, and making reasonable bets. Bonus Experience with IoT/telemetry, energy data, or time-series workloads Familiarity with event-driven architectures, GraphQL, Airflow, or Python Personal interest in energy, climate tech, or automation Track record of owning complex systems end-to-end 5+ years of experience This role ...

/11) with a desire to transition • 7+ years working across JVM-based backend development • Strong experience with Spring Boot and building RESTful or GraphQL services • Solid understanding of relational databases such as PostgreSQL or MySQL • Experience working within BDD or TDD environments, alongside CI/CD tooling such ...

ensure smooth knowledge transfer Must-Have Skills Strong Terraform Deep AWS serverless experience Python for production workloads Solid DynamoDB knowledge Nice to Have GraphQL/AppSync Node.js or Python API background Cognito or similar auth experience Contract Details 3 months contract with the view of going permanent thereafter once ...

backend Integrating Claude AI (Anthropic API) to deliver features such as document summarisation, semantic search, and conversational assistants Designing and building RESTful and GraphQL APIs to support real-time, dynamic user experiences Creating responsive, accessible UI components using modern React patterns (hooks, context, server components) Implementing secure authentication and authorisation … environment Owning CI/CD pipelines and cloud infrastructure across AWS and Vercel Tech Stack Frontend: React, Next.js, TypeScript Backend: Node.js, Express APIs: REST, GraphQL Data: PostgreSQL, Redis Cloud/Infra: AWS (Lambda, S3), Vercel, Docker AI: Claude (Anthropic API) Auth: JWT, OAuth What we’re looking for Strong experience ...

genuinely influence both the technical direction and engineering culture. Responsibilities: Building production-grade applications using Next.js, React & TypeScript Designing and developing APIs (REST/GraphQL) Working across the full stack – frontend, backend, and cloud Owning features end-to-end (design build deploy) Contributing to architecture and best practices Collaborating closely … Strong Next.js/React/TypeScript background Experience building scalable web applications Solid understanding of SSR, SSG & frontend performance API development experience (REST or GraphQL) Cloud exposure (AWS preferred) + Docker Strong fundamentals (HTTP, DNS, etc.) Experience Leading Software Engineering teams Bonus points for: Go or C# backend experience Microservices ...

genuinely influence both the technical direction and engineering culture.Responsibilities: Building production-grade applications using Next.js, React & TypeScript Designing and developing APIs (REST/GraphQL) Working across the full stack – frontend, backend, and cloud Owning features end-to-end (design build deploy) Contributing to architecture and best practices Collaborating closely with … xehkeey js/React/TypeScript background Experience building scalable web applications Solid understanding of SSR, SSG & frontend performance API development experience (REST or GraphQL) Cloud exposure (AWS preferred) + Docker Strong fundamentals ( DNS, etc.) Experience Leading Software Engineering teams Bonus points for: Go or C# backend experience Microservices/ ...

The Opportunity Our client is recruiting for a high-impact Frontend Specialist to join the Fintech & Compliance division of a global leader in the travel-commerce and e-commerce space. In this role, you aren ...

The Opportunity Our client is recruiting for a high-impact Frontend Specialist to join the Fintech & Compliance division of a global leader in the travel-commerce and e-commerce space. In this role, you aren ...

Developer - RESTful APIs, SOAP, or GraphQL, PHP, Python, JavaScript, AWS - to £75,000 API Developer (PHP | Python | JavaScript) 💰 Up to ~£75,000 | 🌍 Remote (UK-based/London) We’re hiring a skilled API Developer to design, build, and scale robust integrations powering modern web applications. You’ll play … developing secure, high-performance APIs used across internal systems and customer-facing platforms. 🔧 What you’ll bring: • Strong experience building RESTful APIs (REST/GraphQL/SOAP) • Solid skills in PHP, Python & JavaScript • Experience with databases (MySQL/Postgres) and Linux environments • Understanding of API security, performance & scalability • Exposure ...

Developer - RESTful APIs, SOAP, or GraphQL, PHP, Python, JavaScript, AWS - to £75,000 API Developer (PHP | Python | JavaScript) 💰 Up to ~£75,000 | 🌍 Remote (UK-based/London) We’re hiring a skilled API Developer to design, build, and scale robust integrations powering modern web applications. You’ll play … developing secure, high-performance APIs used across internal systems and customer-facing platforms. 🔧 What you’ll bring: • Strong experience building RESTful APIs (REST/GraphQL/SOAP) • Solid skills in PHP, Python & JavaScript • Experience with databases (MySQL/Postgres) and Linux environments • Understanding of API security, performance & scalability • Exposure ...

Collaborate with cross-functional teams Help unify multiple internal tools into a single platform Challenge and improve existing processes and workflows Work with APIs (GraphQL & REST) to integrate backend services Skills & Experience: Essential: Strong frontend expertise with React & TypeScript Experience with GraphQL and REST APIs Background working in product-focused ...

into projects. Develop scalable backend services using Golang, NestJS, and TypeScript. Work with PostgreSQL and DynamoDB databases to manage data efficiently. Build and maintain GraphQL APIs for seamless data querying. Utilize AWS services including API Gateway, Lambda, RDS, S3, Step Functions, SNS, and SQS to deploy and manage cloud-native … framework. Proficiency in Golang, ReactJS, and TypeScript. Familiarity with AWS services. Experience with microservices architecture. Preferred Skills Experience with PostgreSQL and DynamoDB. Knowledge of GraphQL APIs. Experience with Docker. ...