13 of 13 Contract GraphQL Jobs in England

Active, hands-on experience working in Java codebases at production scale Expert-level TypeScript, JavaScript and Node.js; experience building scalable, production-grade applications Strong GraphQL, REST API and PostgreSQL skills; Git-based source control and branching strategies Strong AWS experience: designing, securing, deploying and operating production cloud environments Docker ...

systems with high throughput and low latency. Knowledge of scalability patterns including horizontal scaling, load balancing, and auto-scaling. API & Integration RESTful API design GraphQL gRPC WebSockets OpenAPI/Swagger API versioning strategies Third-party system integrations Databases Experience with both SQL and NoSQL databases: PostgreSQL MySQL MongoDB Redis Elasticsearch ...

/or NoSQL databases Familiarity with CI/CD and modern development practices Desirable Skills React development experience Kubernetes or Terraform exposure GraphQL experience Experience with high-volume, real-time systems Key Responsibilities Develop and maintain backend services using Node.js and TypeScript Build scalable APIs and data streaming solutions Develop ...

collaborating closely with backend engineers, designers, and product teams. Tech Stack Frontend React TypeScript JavaScript (ES6+) HTML5, CSS3 Backend Exposure Node.js REST APIs/GraphQL Nice to Have AI integrations (OpenAI, Azure AI or similar) Next.js Essential Skills & Experience Strong commercial experience developing frontend applications with React Advanced JavaScript ...

solving skills. Preferred: Degree in Computer Science, Software Engineering or a related technical discipline (or equivalent commercial experience). Experience with Docker , gRPC and GraphQL . Knowledge of Continuous Integration, Continuous Deployment and Continuous Testing. Familiarity with Agile methodologies including Scrum, Kanban and SAFe. Experience using tools such as Jira ...

maintaining Progressive Web Apps (PWAs) Strong understanding of HTML5, CSS3 and SCSS Responsive and mobile-first development experience REST API and/or GraphQL integration experience Testing experience using tools such as Jest, React Testing Library, Cypress or Playwright Experience working with Git-based version control and CI/ ...

data infrastructure, distributed systems, APIS and AI-services Proven experience in building/designing scalable backend services Strong experience building and maintaining APIs (REST, GraphQL and/or gRPC). Knowledge of Docker and AWS (ideally in a recent project) Essential - must have strong coding skills in Python, Typescript, Node ...

JavaScript, HTML and CSS . You should also be comfortable working with modern styling approaches such as Tailwind CSS , consuming REST and/or GraphQL APIs , and writing automated frontend tests using tools such as React Testing Library, Cypress or Playwright . You’ll be expected to work within ...

understanding of delivery governance, risk management, and reporting Experience using tools such as Jira and Azure DevOps Experience with modern technologies such as AI, GraphQL Experience with use of latest Agile tracking and forecasting methods Strong communication and influencing skills Problem-solving and decision-making Resilience and adaptability Agile ...

productisation, not just for research/prototyping) Nice to have: - A deeper understanding on ML Models/ML Data Science from an API perspective (GraphQL, gRPC, REST) - Start-up or HealthTech experience. This is an urgent requirement, please reach out ASAP to Adam Akhtar today (17th July) to avoid missing ...

Senior Backend Developer Full-time Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Join a dynamic energy provider dedicated to sustainable solutions in the UK. We ...

shared transaction and ledger layer Supporting integration of newly acquired platform capabilities Designing APIs for frontend, mobile, and seller platform use cases (REST and GraphQL) Handling complex transaction logic including: Currency conversion Fees and commissions Reconciliation Refunds and adjustments Supporting region-specific requirements such as tax, shipping, and compliance Improving … multiple services, languages, and architectural patterns. The role combines hands-on ownership of backend services with architectural leadership responsibilities. Elixir and the Phoenix framework GraphQL PostgreSQL Redis WebSockets and Phoenix Channels for real-time communication Message-driven architectures and asynchronous processing patterns Cloud-native infrastructure supporting globally distributed workloads ...

Models including GPT, Claude and Gemini. Develop AI agents, workflow automation and Retrieval-Augmented Generation (RAG) solutions. Design and develop integrations using REST APIs, GraphQL, OAuth 2.0 and JWT authentication. Build and support Azure-hosted workloads and Kubernetes-based services. Develop Python services and integrations. Implement Infrastructure as Code using … Experience We're looking for candidates with strong experience in: Cloud & Platform Microsoft Azure Kubernetes Terraform GitHub Actions Development Python API Development REST APIs GraphQL AI & Automation Large Language Models (LLMs) GPT, Claude and/or Gemini AI Agents Retrieval-Augmented Generation (RAG) Vector Databases LLM orchestration frameworks Data Databricks ...