1 to 25 of 167 Permanent GraphQL Jobs in London

Write clean, maintainable, and efficient code. Implement responsive design principles to ensure applications work on various devices and screen sizes. Develop and integrate REST, GraphQL and RPC APIs. Conduct thorough testing of applications, including unit testing, integration testing, and end-to-end testing. Debug and resolve technical issues and bugs. More ❯

app development using React Native. Knowledge of UI component libraries like Material UI, Figma, and Storybook. Experience with microservices architecture and API development (REST, GraphQL). Experience working with NoSQL or SQL databases (MongoDB, Postgres). What We're Offering: Opportunities for professional development with access to training resources and More ❯

app development using React Native. Knowledge of UI component libraries like Material UI, Figma, and Storybook. Experience with microservices architecture and API development (REST, GraphQL). Experience working with NoSQL or SQL databases (MongoDB, Postgres). What We're Offering: Opportunities for professional development with access to training resources and More ❯

app development using React Native. Knowledge of UI component libraries like Material UI, Figma, and Storybook. Experience with microservices architecture and API development (REST, GraphQL). Experience working with NoSQL or SQL databases (MongoDB, Postgres). What We're Offering: Opportunities for professional development with access to training resources and More ❯

tools like pytest , unit tests, and debugging skills to quickly resolve issues. API Design: Strong knowledge of RESTful API design and implementation; knowledge of GraphQL is a plus. Security Best Practices: Awareness of security best practices in software development. Team Collaboration: Strong communication skills and the ability to collaborate effectively More ❯

IT/tech based degree with a minimum 2:1 grade Strong expertise in Node.js, Express.js, and JavaScript/TypeScript. Experience with RESTful APIs, GraphQL, and WebSockets. Proficiency in database management (SQL & NoSQL - eg, PostgreSQL, MongoDB). Familiarity with cloud platforms (AWS, Azure, or GCP) and containerisation (Docker, Kubernetes). More ❯

backend systems and create API endpoints for model interaction (e.g., retrieving predictions). Develop and maintain scalable services, e.g. Microservices utilizing REST, gRPC, or GraphQL, ensuring optimal performance and seamless integration. Optimize database queries and schemas to improve performance, scalability, and reliability. Implement security features, including authentication and authorization using More ❯

team-first” mindset — you believe better things happen when we build together Tech We Use (and love): Node.js | TypeScript | React/React Native | Next.js GraphQL | AWS/Vercel | Serverless | Docker SQL | CI platforms | Microsoft + Azure tooling Bonus points if you’ve contributed to open-source projects! Why You’ll More ❯

Boot, Node.js • Experience with/exposure to frontend technology frameworks like React, Angular etc • Experience in API styles such as Async API, REST, SOAP, GraphQl, gRPC. Understanding of the various data solutions (like OLAPs, OLTP, graph, no-SQL etc.) and respective applications. • Containers and building container-based platforms using Docker More ❯

of commercetools APIs 🔰 Extend commercetools API integration, Algolia, Talon, OAuth, Contentful 🔰 Bring strong experience in UI, Nextjs, TypeScript 🔰 Deep experience working with REST and GraphQL APIs 🔰 understanding of serverless architecture patterns 🔰 CI/CD, TDD, Github Actions, GitLab, Jenkins, Terraform Beneficial 🔰 AWS or commercetools certifications are a plus 🔰 AWS Serverless More ❯

Strong understanding of OOP, design patterns, REST APIs, software architecture, and coding best practices. Proficiency in VS Code, C#, .NET, ASP.NET, SQL. Experience with GraphQL and Azure cloud services (App Service, Functions, Managed SQL, Redis, Blob Storage). Experience with SQL Server, Atlas MongoDB, Elasticsearch, xUnit, Selenium, and web accessibility More ❯

cross-functional teams, working closely with people of different specialisms within your team and across the business. AWS, Serverless, Terraform, C#, .NETCore, TypeScript, Node.js, GraphQL, React, Snowflake, Docker, Grafana GitHub for source control and continuous integration Developing solutions using Generative AI models Robust and performant cloud/serverless applications, with More ❯

software engineer Experience working as a Technical Lead. Competent working across the full stack; TypeScript (Node.js & React), AWS (EKS, Lambda, Aurora RDS), Kubernetes, and GraphQL, AI tools Experience designing large, distributed, data-driven, cloud-based products CI/CD, Infrastructure as Code (IaC), GitHub, Terraform, Helm Experience mentoring engineers at More ❯

SCSS/Styled components. Experience at a Senior level an advantage but not essential. Development experience working with a Microservice architecture consuming REST and GraphQL APIs. Minimum 5 years' practical experience using CI/CD tools. Specifically AWS Code Build and GitHub. Minimum 5 years experience working with testing frameworks More ❯

with expertise in Vue.js 3, Vuex, Pinia, Composition API . Strong knowledge of JavaScript (ES6+), TypeScript, HTML5, CSS3, SCSS . Experience with RESTful APIs, GraphQL , and integrating front-end applications with backend services. Familiarity with state management , component-based architecture, and front-end testing frameworks. Proficiency in modern build tools More ❯

platform. Participate in code reviews and architectural discussions, fostering a culture of continuous improvement. Requirements Experience building and consuming REST APIs, with experience in GraphQL being a plus. Strong knowledge of relational databases (PostgreSQL, MySQL), including optimization, scalability, and high-throughput design. Familiarity with containerization (Docker) and orchestration (Kubernetes). More ❯

like Bash, Python, or Go. Experience with configuration management tools such as Terraform or AWS CloudFormation. Familiarity with ELK stacks. Design : Figma APIs : REST, GraphQL Back-End : Node.js, Express.js CI/CD : CircleCI, GitHub Actions Testing : Cypress, Jest, Karma What You Can Expect from Our Recruitment Process: We'll start More ❯

to development, with focus on user impact Nice to Have (But Not Required) Experience with state management solutions (Redux, Zustand, Context API) Knowledge of GraphQL or WebSocket implementations Background in data visualization libraries (D3.js, Chart.js, etc.) Experience working in agile development environments Familiarity with document processing or AI-enhanced applications More ❯

very quickly pick up JavaScript/Typescript. It will be nice if you have experience working with Python, React, Lambda, DynamoDB, S3, AppSync/GraphQL, API Gateway, Step Functions etc • Responsibility for reviewing and testing your own and teammates’ code • Restless attitude and a drive to always make things better More ❯

Netlify Functions. Experience in state management with Redux, Zustand, or Context API. Proficiency in modern frontend tooling (Webpack, Babel, Vite, ESBuild). Knowledge of GraphQL and REST APIs. Experience with unit testing and end-to-end testing (Jest, Cypress, React Testing Library). Strong debugging and performance optimization skills. Nice More ❯

Experience working with Knowledge Graphs and graph databases, such as Neo4J Experience working with Full-Text search databases, such as ElasticSearch Good understanding of GraphQL Experience working with Docker Experience working with a functional programming language Experience working with AWS or Google Cloud Our Technology Stack The list below is More ❯

Software Engineering, or a related field-or equivalent experience in a relevant role. Solid foundation in Typescript development, including server side technologies such as GraphQL, and client side technologies such as React Experience in designing simple, service-oriented systems. Exposure to at least one cloud platform (AWS is a plus More ❯

Microsoft technologies stack: At least 5+ years of hands-on experience with Microsoft .NET technologies and SQL Server. Proficiency in C# .NET, React, JavaScript, GraphQL, HTTP, REST, and SOAP. Possess in-depth understanding of multi-tier applications, serverless architecture, cloud computing, and database design. Proficiency in modern UI state management More ❯

and knowledge: Cloud hosting providers such as AWS, Azure, GCP 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 and More ❯

product functionality spanning experiment scheduling, automated image analysis, and remote operation of our devices. Develop and improve our frontend applications using TypeScript, React, and GraphQL to create intuitive interfaces for complex biological workflows. Build backend services that communicate with our hardware systems and ensure data integrity throughout the cell manufacturing More ❯