1 to 25 of 34 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). Technical Leadership: ability to lead project end-to-end AI Tooling: Confident using AI-boosted environments to ensure quality (Claude or similar). ...

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 ...

backend expertise in Typescript and Node and front capability in React Proficiency in SQL, Redux, cloud services (AWS or GCP), RESTful API design and GraphQL Strong analytical skills with the ability to design, optimise, and troubleshoot complex UIs Excellent communication and leadership skills; ability to mentor junior team members Other ...

frontend framework ( React, Vue, Next.js ) Experience designing and delivering scalable, cloud-based systems (AWS, Azure or GCP) Strong understanding of API design (REST/GraphQL), databases and system architecture Experience with CI/CD, infrastructure as code (e.g. Terraform) and automated testing Ability to design for non-functional requirements (performance ...

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 ...

projects simultaneously. "Even Better" If You Have... Experience with CI/CD with an emphasis on a well-maintained testing pyramid. Experience with Federated GraphQL , Kafka , or other event-driven architectures. Experience with Protobuf and gRPC for defining service interfaces and efficiently serializing structured data. Experience with NoSQL data stores ...

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 ...

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 ...

Strong background designing and building distributed systems and APIs Proven experience building or scaling payment, ledger, or transaction systems Experience working with Elixir and GraphQL (strongly preferred) Background in eCommerce or transaction-heavy, real-time platforms operating across regions Ability to evolve existing systems pragmatically in fast-moving environments Comfortable ...

Technical skills Youre an experienced Fullstack developer with exceptional proficiency in PHP-based CMSes, such as Drupal, and Frontend technologies, including React/Next.js, GraphQL and Storybook You are comfortable working with both monolithic and decoupled architectures You are familiar with the component based approach to build and deliver projects ...

amazing opportunity! The following skills/experience is essential: Strong React Native development background Demonstrable experience delivering applications in both iOS and Android GraphQL and Restful APIs Solid understanding of the full mobile development life cycle Good communication skills Salary: Up to £95,000 + bonus + package Location: London ...

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 ...

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 ...

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 ...

Backend Engineer will have strong API and service development skills Experience working on transaction systems, payments, or eCommerce platforms is required Experience with GraphQL preferred Exposure to Elixir, Go, or similar backend technologies Ability to work effectively in ambiguous, fast-changing environments Code-Writing Contribution Owns and delivers production backend ...

interactions and purchasing flows Supporting localisation including language, currency, and regional UX Ensuring parity between mobile and web experiences Integrating with backend systems via GraphQL Optimising performance and reliability in real-time environments Key Responsibilities Develop and maintain mobile features across iOS and Android Collaborate with backend and frontend teams ...

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 ...