1 to 25 of 177 GraphQL Jobs in London

ideally substantial JVM (Java or Scala), .NET (C#), Rust, or Go expertise; Typescript and Javascript (must-have); Node.js (ideal); APIs: RESTful APIs (must-have); GraphQL (desirable); MCP (desirable) or A2A (desirable); web frameworks (Django (must-have)) and front-end frameworks (React (must-have), Blazor (desirable)); mobile frameworks: React Native (highly ...

proactive, product-focused mindset with a passion for solving complex problems. Desirable Skills AI-powered application development Large Language Models (LLMs) Generative AI Microservices GraphQL CI/CD Infrastructure as Code Event-driven architecture Agile product development Accessibility (WCAG) Technology Stack React TypeScript JavaScript Node.js Express.js Python Microsoft Azure Docker ...

debug and enhance existing services written in those languages.API Design - Strong experience designing and versioning well-structured, secure and reusable APIs (REST required; gRPC, GraphQL or event-driven APIs a plus), with a focus on backward compatibility and consumer experience.Service Architecture - Experience with microservices, distributed systems and data persistence (relational ...

/GCP). Solid understanding of CI/CD pipelines, Docker, Kubernetes and infrastructure-as-code. Expertise in building secure, scalable RESTful and GraphQL APIs. Excellent knowledge of authentication, authorisation and data security best practices. Outstanding communication skills: clear, direct and effective when working with both technical teams ...

software engineering context.* Event-driven architecture and messaging or streaming technologies.* Experience with frameworks such as Spring Boot, Quarkus, Micronaut or Ktor.* GraphQL or comparable API technologies.* Cloud platforms such as AWS, Azure or GCP.* Containerisation and orchestration using Docker and Kubernetes.* NoSQL, caching or distributed data technologies.* Experience choosing ...

Excellent problem‐solving, communication, and collaboration skills. Desired: Experience with microservices and event‐driven architectures. Experience with AI‐assisted design and coding. Knowledge of GraphQL and WebSockets. Familiarity with observability tools such as OpenTelemetry and Grafana. Experience with Infrastructure as Code (Terraform). Understanding of financial markets or trading systems. ...

performance optimization; Scalable system design patterns, load balancing, and high-availability architectures; Database design and optimization (both relational and NoSQL); API development (REST, GraphQL, gRPC) and event-driven architectures; Caching strategies and message queue systems (Redis, Kafka, RabbitMQ); Cloud platforms (AWS, Azure, GCP) with containerisation (Docker, Kubernetes); CI/ ...

MVVM and MVP. Desirable skills/experience you may have Postman or similar tools Charles/Proxyman or similar tools Bitrise/Gitlab CI GraphQL Microservice Architectures Docker, Kubernetes, and cloud platforms such as AWS, GCP or Azure Understanding of UX principles HTML, CSS, and related web technologies Experience with ...

best practice. The technology You’ll work across a modern full stack environment, including: Node.js and TypeScript MongoDB and SQL RESTful HTTP APIs and GraphQL AWS and cloud-native solutions Jenkins and/or AWS CodePipeline Automated testing and Test Driven Development We care about strong engineering fundamentals ...

Technical Skills Experience of building cloud-hosted applications, using Typescript and Node.JS in a start-up, public service, or charitable setting Experience with GraphQL, React, WebAssembly and Python would be a nice to have Prior experience with Azure (ideally), AWS or GCP Comfortable working with Infrastructure as Code, ideally Terraform ...

platform migrations at scale, using n8n or similar automation tools (e.g. Make, Zapier, custom ETL) as well as scripted approaches. Integration development: REST and GraphQL APIs, webhooks, authentication (OAuth, SSO) and connecting a CMS to CRM, DAM, PIM, search and analytics platforms. Engineering practice: Git workflows, CI/CD, automated ...

/CD pipelines and automated testing Agile/Scrum development experience Strong communication and problem-solving skills Bonus points for: Kubernetes, PostgreSQL, gRPC or GraphQL AWS or cloud-native development Experience in financial services or high-volume transactional platforms Test-driven development (TDD) Why this opportunity? You’ll be working ...

Familiarity with CI/CD tools (GitHub Actions, GitLab), IaC (Terraform, Ansible), and monitoring tools (Datadog, Grafana). Containerization : Docker and Kubernetes. APIs : REST, GraphQL, OpenAPI. Databases : SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis). Testing : Unit and functional testing (Jest, Cypress, Mocha). Soft Skills Strong communication skills ...

vector databases, search indexes, and knowledge bases to supply agents with accurate enterprise context. Enterprise Integration & API Management: Develop and maintain custom APIs (REST, GraphQL, webhooks) and integration pipelines connecting AFO/Agentforce to Salesforce Data Cloud (Data 360), cloud warehouses (Snowflake, Databricks), and core ERPs (SAP, Oracle, NetSuite ...

individual contributions have visible impact. What you'll be doing 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 our website and microservice teams, as such any experience in the following areas may also be helpful, but is not required or expected: GraphQL Microservice Architectures Docker, Kubernetes, and cloud platforms such as AWS, GCP or Azure Understanding of UX principles HTML, CSS, and related web technologies Experience with ...

500ms latency, natural conversation flow, turn detection, and interruption handling in real-time systems Integrate agents directly into customer codebases via REST/GraphQL/WebSocket APIs and custom SDKs (Python, TypeScript) Act as trusted technical advisor to customers, shaping AI strategy and guiding roadmap decisions from concept to production ...

with our website and microservice teams, as such any experience in the following areas may also be helpful, but is not required or expected: GraphQL Microservice Architectures Docker, Kubernetes, and cloud platforms such as AWS, GCP or Azure Understanding of UX principles HTML, CSS, and related web technologies Experience with ...

design and implement AI‐native software in production environments Engineering depth: Strength in backend (Python, Node.js, Java), frontend (React, Angular), APIs (REST/GraphQL) Machine Learning: Foundations of MLflow, Weights & Biases, LoRA, PEFT, SageMaker, Vertex AI, AzureML, Kubeflow, Airflow, Prefect, TorchServe, Triton, vLLM, SHAP, LIME, pandas, Spark, SQL LLM tooling ...

design and implement AI‐native software in production environments Engineering depth: Strength in backend (Python, Node.js, Java), frontend (React, Angular), APIs (REST/GraphQL) Machine Learning: Foundations of MLflow, Weights & Biases, LoRA, PEFT, SageMaker, Vertex AI, AzureML, Kubeflow, Airflow, Prefect, TorchServe, Triton, vLLM, SHAP, LIME, pandas, Spark, SQL LLM tooling ...

vector databases, search indexes, and knowledge bases to supply agents with accurate enterprise context. Enterprise Integration & API Management: Develop and maintain custom APIs (REST, GraphQL, webhooks) and integration pipelines connecting AFO/Agentforce to Salesforce Data Cloud (Data 360), cloud warehouses (Snowflake, Databricks), and core ERPs (SAP, Oracle, NetSuite ...

quality control over AI-produced outputs. Experience optimizing performance and reliability of AI-powered user interfaces & proficiency in React framework Understanding of REST APIsand GraphQL Comfortable working with projects partially or fully usingTypeScript & using latestReact featuressuch as Suspense and Hooks End to end testing applications #J-18808-Ljbffr ...

engineering judgment needed to audit and refine AI outputs. Modern Engineering Practices: Familiarity with TDD principles, clean architecture concepts, and consuming APIs (e.g., GraphQL). Mindset: An independent, critical thinker who thrives in collaborative, small-team environments and values continuous feedback. Bonus Points Backend development experience in Java or Kotlin ...

/Vue) and DevOps experience (Docker, K8s, CI/CD). Expertise in building data pipelines and integrating with enterprise systems (REST, Python, SQL, GraphQL, Webhooks etc). Solid understanding of LLMs, Prompt engineering/tuning, Vector DBs (AstraDB, Pinecone, Weaviate etc), RAG pipelines (LlamaIndex, Haystack) and Agent/Workflow ...

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 ...