1 to 25 of 248 GraphQL Jobs in London

cloud automation practices Experience within commodities trading, analytics, data, or complex enterprise environments Experience mentoring engineers and supporting technical leadership activities Experience with GraphQL and modern API design approaches Roles and Responsibilities: Design, develop, test, and support modern full-stack applications using React , TypeScript , .NET , and/or Python Build ...

backend systems and create API endpoints for model interaction (e.g., retrieving predictions). Develop and maintain scalable services, e.g. Microservices utilising 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 ...

driven architecture patterns.Experience with identity/access management integrations (Okta, Entra ID).Experience with service mesh technologies (Istio) and advanced networking patterns.Working knowledge of GraphQL APIs, ABAC solutions, and CMS platforms.Experience with C4 model architecture documentation (PlantUML or similar).TOGAF or other enterprise architecture certification.Cloud architecture certifications (AWS Certified Solutions ...

/Angular/Vue, HTML5, CSS3, JavaScript/TypeScript• Solid experience in back-end technologies: Node.js/.NET/Java/Python, REST APIs, GraphQL• Strong understanding of databases: SQL (PostgreSQL, MySQL, SQL Server)• Hands-on experience with cloud services, ideally Azure or AWSPreferred Experience• 5-6 years of professional ...

Required Skills & Experience Technical Expertise Strong proficiency in front-end technologies: React/Angular/Vue Solid experience in back-end technologies: REST APIs, GraphQL Strong understanding of databases: Hands-on experience with cloud services, ideallyAzure or AWS. Experience with CI/CD pipelines (GitHub Actions,Azure DevOps, Jenkins, etc. ...

APIs) 4+ years of production experience with modern Web stacks (TypeScript, React, Node.js, or Python/FastAPI). Strong API design experience (REST, GraphQL, gRPC, WebSocket) and relational/non-relational database design (PostgreSQL, SQLite). 3. Systems & Mobile Architecture (Android ART) Proficiency in Kotlin or Java on native Android ...

most critical pillars in our Engineering organisation, our API platform, driving innovation across synchronous and asynchronous services built with REST, GraphQL, Kafka, and cloud-native technologies.You’ll work hands-on with modern engineering tools and practices, partnering with talented squads to solve complex distributed systems challenges at scale. From ...

cloud environments. Middleware, APIs, & Data Streaming (Technologies): Extensive hands-on experience architecting software interfaces using modern protocols and event-driven architectures (e.g., gRPC, REST, GraphQL, Apache Kafka, RabbitMQ). Automation & IaC (Tools): Demonstrated success utilizing Infrastructure as Code (IaC) and deployment automation tools (e.g., Terraform, Ansible, ArgoCD) across multi-cloud ...

services is beneficial. Familiarity with data technologies such as Microsoft SQL Server, MongoDB, and Snowflake. Nice to have Experience with Java development. Experience with GraphQL APIs and application integrations. Exposure to Amazon Web Services (AWS). Familiarity with enterprise-grade container orchestration platforms supporting declarative infrastructure and horizontal scaling. Familiarity ...

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 ...

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 ...

software application· Previous experience with vectors and embeddings (pgvector, chromadb)· Knowledge of LLM RAG/Agent core concepts and fundamentals· Experience with Neo4J, GraphQL for efficient data querying for APIs,· CI/CD tools (e.g. Github Actions, Gitlab CI) for automating deployments· Other AWS Managed Services (RDS, Batch, Lambda, Fargate ...

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/ ...

architecture. Docker, Kubernetes in Azure, Vercel. Jenkins/BitBucket Pipelines for CI/CD. RabbitMQ/MassTransit. Microfrontends. Test Driven Development. RESTful API design. GraphQL APIs. Integrations with third-party APIs and SaaS platforms. Benefits Competitive salary and benefits package REMOTE working Holiday allowance 50% staff discount & 25% for family ...

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. ...

Full Stack Engineer. 5+ years of relevant experience in coding in Typescript/JavaScript, using Node.js to architect and create REST and/or GraphQL APIs. Preferred experience working with eCommerce systems and platforms. Strong technical experience in modern front-end Typescript/JavaScript libraries and frameworks such as React.js. ...

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

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 ...

platforms. Hands-on experience with iOS or Android native development, or React Native for mobile-first product work. Strong working knowledge of RESTful and GraphQL APIs, serverless architectures and CI/CD pipelines. Comfortable in TypeScript and JavaScript, with experience in cloud-native ecosystems and modern tooling. A track record ...

Nice to have: Experience with API Gateway, DynamoDB, S3, SQS, SNS, EventBridge, CloudWatch, IAM, Infrastructure as Code, AWS CDK, CloudFormation, Terraform, Node.js, RESTful or GraphQL APIs, relational or NoSQL databases, CI/CD pipelines, containerisation, Docker, messaging systems, cloud security best practices, observability, performance optimisation, large‐scale or public‐facing ...

deploying AI/ML or data-intensive applications in production Strong full-stack skills: Python, Node.js/Go, React/Vue, SQL, REST/GraphQL DevOps proficiency: Docker, Kubernetes, CI/CD, and major cloud platforms Expertise in LLMs, Prompt Engineering, Vector DBs, RAG pipelines, and Agentic orchestration frameworks Agentic ...

/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 ...

design, build, and support of scalable and secure full-stack web applications using FastAPI. Experience in Unit Testing with Jest Experience with GraphQL with React for efficient data fetching and state management is preferred. Consume and integrate RESTful APIs to efficiently connect frontend applications with backend services. Work with business ...

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 ...