26 to 50 of 174 GraphQL Jobs in London

maintainable code, to join our mission of securing the cloud. We run a multi-cloud architecture (Azure, AWS, GCP, OCI, Alibaba Cloud) using Golang, GraphQL, PostgreSQL, Neptune, Docker, Kubernetes, and the list goes on. WHAT YOU’LL DO End-to-end development of backend software components (research, design, development, testing ...

backend (basic experience and willingness to learn required) Key Responsibilities On the backend, you will design, build and maintain scalable services and RESTful/GraphQL APIs using Python with Django or FastAPI, writing clean, well-tested, production-grade code with a focus on reliability and performance. You will design ...

architectures Design systems and component libraries Domain-driven design concepts Cloud & DevOps AWS, Azure, or Google Cloud CI/CD pipelines Integration REST APIs GraphQL OAuth2/OpenID Connect Enterprise SSO solutions Quality & Performance Web accessibility (WCAG) Core Web Vitals Automated testing frameworks Performance monitoring and observability Preferred Experience Large ...

backend (basic experience and willingness to learn required) Key Responsibilities On the backend, you will design, build and maintain scalable services and RESTful/GraphQL APIs using Python with Django or FastAPI, writing clean, well-tested, production-grade code with a focus on reliability and performance. You will design ...

with Infrastructure as Code , particularly AWS CDK, CloudFormation or Terraform. Experience with Node.js and the wider TypeScript ecosystem. Experience designing and developing RESTful or GraphQL APIs. Experience with relational and/or NoSQL databases. Experience with CI/CD pipelines and automated deployment processes. Experience with containerisation and Docker. Experience ...

with Infrastructure as Code, particularly AWS CDK, CloudFormation or Terraform Desirable: experience with Node.js and the wider TypeScript ecosystem Desirable: experience designing RESTful or GraphQL APIs Desirable: experience with relational and/or NoSQL databases Desirable: experience with CI/CD pipelines, containerisation and Docker, event-driven messaging systems, cloud ...

Advanced degree, experience building user-facing GenAI/LLM software applications, vectors and embeddings with pgvector or chromadb, LLM RAG/Agent concepts, Neo4J, GraphQL, CI/CD tools such as GitHub Actions or GitLab CI, AWS Managed Services, FastAPI, NextJS, WebSockets, Server-Side Events, Pub/Sub, RabbitMQ, Kafka. ...

team Work on client-facing applications in React/Next.js and our mobile app in React Native Design and build Node.js/GraphQL APIs Maintain and improve the quality of the software we deliver, the codebases we work on and the tooling we use. Regularly deploy code to production Lead ...

metrics Our Tech Stack Below you can find a small reflection of our current tech stack: Frontend: React Native (iOS and Android) Typescript GraphQL (Apollo Client) Fastlane SwiftUI (Apple Watch) Maestro E2E tests Backend: Serverless (AWS) Lambdas (NodeJS & Python) AWS AppSync DynamoDB, S3, SQS, SNS, EventBridge, SageMaker Snowflake ...

understands how their work contributes to broader team and organisational objectives. Key Responsibilities Design, develop, test, and maintain backend services and REST/GraphQL APIs using Java/Spring Boot (or equivalent modern backend stack). Contribute to system architecture and data model design in collaboration with senior/lead ...

workflows (e.g. Azure OpenAI, Copilot Studio, or equivalent) Understanding of agent patterns, orchestration, tool use, and LLM limitations Integration & APIs Experience with REST/GraphQL APIs, authentication, and system integration Experience building reusable services and connectors MCP or similar integration patterns desirable Cloud & Platforms Microsoft Azure experience (AI services, Functions ...

skills are not required, but are preferable: Understanding of Event Driven Architectures and APIs Understanding of OAuth2 and OpenID Connect Knowledge of Kafka, gRPC, GraphQL Hands-on experience with LLMs or AI Agent frameworks or platforms Who Thrives Here Our growth is powered by people who bring passion to their ...

Microsoft Azure; infrastructure design, security and operational ownership, and the ability to draw parallels across cloud providers. API design: RESTful and GraphQL APIs, contract‐first design, versioning, gateway patterns and integration across SaaS, CMS, DXP and MarTech stacks. Distributed systems and event‐driven architecture: messaging, async workflows, resilience patterns, idempotency ...

responsible for will have a global reach, impacting millions of customers. Some of the tech we are using at scale: Javascript, Typescript, Node.JS, GraphQL, REST, Kafka, Azure Cloud, Redis, Varnish Cache, Apollo Federation, Docker, Kubernetes etc. About the team Tesco’s xAPI (Experience API) powers Tesco’s online shopping, enabling … mobile-apps, tills in-store, scan‐as‐you‐shop, tablets, voice assistants etc. We, the xAPI team, build products that provide the experience APIs (GraphQL) for building client applications and handle all the device traffic to support the user experience for the end‐user’s shopping lifecycle from product discovery ...

Jest, Playwright, Cypress or React Testing Library. A collaborative approach with excellent communication skills. Experience mentoring developers or leading technical initiatives. Nice to have GraphQL .NET or SQL Server Storybook or design systems WCAG accessibility standards Progressive Web Apps Experience integrating AI tools or LLM APIs into products ...

understanding what needs to be built, to getting it into the hands of customers, to making sure it stays running. Our stack: AWS, MongoDB, GraphQL, React, TypeScript, Python, Terraform. We have strong DORA metrics, we pair program, we deliver value in small increments and observe change. The tooling and process ...

proficient applied experience Ability to write testable, clean JavaScript code Proficiency in React framework Familiarity with writing unit tests Understanding of REST APIsand GraphQL Ability to work in a dynamic, agile environment within a geographically distributed team Ability to focus on promptly addressing customer needs Excellent written and verbal communication ...

React framework & Building applications usingReact Nativein TypeScript or JavaScript Native application development across Android/iOS inKotlin/Swift Understanding of REST APIsand GraphQL Comfortable working with projects partially or fully usingTypeScript End to end testing applications withDetox/Appium/WebdriverIO/Playwright Extensive experience in modern web development ...

important). Solid understanding of backend fundamentals: concurrency, data modelling, transactions, reliability, and observability. Experience designing and consuming APIs (REST/gRPC/GraphQL) and integrating with other services and data stores. Strong testing mindset and familiarity with CI/CD workflows. Clear communication skills and a collaborative approach ...

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 ...

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 ...

Tech Stack M&S utilizes a variety of technologies within the Customer Data Platform including: Front-end: React, Next.js, TypeScript Back-end: Java, Node.js, GraphQL, REST APIs Cloud & Infrastructure: Azure Kubernetes Service (AKS), mParticle, Salesforce Marketing Cloud, Salesforce Data360 Observability & Monitoring: Dynatrace, PagerDuty Quality & Testing: JUnit, Jest, Playwright Security & Scanning ...

here and if youd like to check our reviews out on Glassdoor you can see these here. Our Tech Stack Backend Kotlin 1.7.20 AWS GraphQL (it would be nice if you were familiar with this but its not a deal breaker) Postgres RabbitMQ Docker Kubernetes Frontend React & React Native, TypeScript ...

here and if youd like to check our reviews out on Glassdoor you can see these here. Our Tech Stack Backend Kotlin 1.7.20 AWS GraphQL (it would be nice if you were familiar with this but its not a deal breaker) Postgres RabbitMQ Docker Kubernetes Frontend React & React Native, TypeScript ...

without prior experience in one or more of the above, and we'll get you fully ramped up during onboarding. Frontend: React Native, TypeScript, GraphQL Backend: serverless on AWS, Node.js/Python, DynamoDB, Snowflake Tooling (continuously re-evaluated): Claude Code, Cursor, Linear with agents, Github with GHA Nice to have ...