1 to 25 of 281 GraphQL Jobs in the UK

Senior Fullstack Engineer (Python + React.js)

Location
Greater London, England, United Kingdom
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 ...

Senior Full Stack Developer - 12 Month FTC

Hiring Organisation
Hackajob Ltd
Location
Aberdeen, Aberdeenshire, Scotland, United Kingdom
Employment Type
Permanent
Salary
£90,000
/Scrum environments Cloud development experience, particularly with Azure Frontend experience with React and TypeScript Backend experience with Node.js and Azure Functions Experience with GraphQL and/or REST APIs Familiarity with CI/CD pipelines (GitHub Actions) Working knowledge of SQL databases (Azure SQL, PostgreSQL) Experience with authentication ...

Head of Engineering - Data Products

Location
Greater London, England, United Kingdom
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 ...

Technical Product Manager

Hiring Organisation
HUKM Development
Location
Buckinghamshire, England, United Kingdom
hands-on experience as a backend developer or software engineer Experience leading agile delivery teams or development pods Strong grasp of RESTful API design, GraphQL, API versioning, and microservices architecture Working knowledge of backend technologies such as Node.js, Python, Java, or .NET Understanding of SQL and NoSQL databases and data ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
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). Systems & Mobile Architecture (Android ART) Proficiency in Kotlin or Java on native Android environments ...

Principal Software Engineer

Hiring Organisation
Collinson Group
Location
London, UK
Employment Type
Full-time
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 ...

Senior Backend Developer

Location
Glasgow, Scotland, United Kingdom
Full-time Senior Backend Developer Location: Scotland Responsibilities: Designing and implementing scalable backend architectures using Python, Java, C#, or Node.js. Developing RESTful APIs and GraphQL endpoints to support frontend applications. Integrating with various databases including SQL Server, MySQL, PostgreSQL, MongoDB, and Redis. Deploying and managing applications on cloud platforms such ...

Lead Software Engineer - AI/Java Full Stack

Hiring Organisation
JP Morgan Chase
Location
Glasgow, UK
Employment Type
Full-time
driven, API-first)Experience with CI/CD pipelines, containerization (Docker, Kubernetes/ECS/EKS), and Infrastructure as CodeExpertise in API design (REST, GraphQL) and integration patternsHands-on experience building applications on AWS or other public cloud platformsExperience with Generative AI systems, including: RAG (Retrieval-Augmented Generation) architectureAI orchestration ...

Senior Fullstack Developer — Java or Kotlin, React and TypeScript

Location
Manchester, England, United Kingdom
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 ...

Senior Fullstack Developer — Java or Kotlin, React and TypeScript

Location
Greater London, England, United Kingdom
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 ...

Senior Fullstack Developer — Java or Kotlin, React and TypeScript

Location
Greater London, England, United Kingdom
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 ...

Senior .Net Developer

Hiring Organisation
YourCode Recruitment
Location
Wakefield, West Yorkshire, UK
Employment Type
Full-time
WebAPI, and authentication servers. Experience working with GIT and message/event bus systems. Excellent communication and problem-solving skills. Desirable: Experience with TypeScript, GraphQL, AWS, or Azure. Knowledge of Mediator design pattern, NoSQL databases, or Elasticsearch. Familiarity with GitLab, Azure DevOps, or JIRA.What's On OfferSalary ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
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. ...

AWS Cloud Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
Have AWS certifications (Solutions Architect, Developer or SysOps) Software engineering experience in Python Experience developing frontend applications using React and TypeScript Experience with GraphQL and REST APIs Experience running production workloads on EKS Experience with serverless technologies such as AWS Lambda Experience with Datadog, Prometheus, Grafana or New Relic Exposure ...

Software Engineer III - Full Stack, Global Banking Tech

Location
Glasgow, Scotland, United Kingdom
fundamentals with HTML/CSS and responsive design, including experience building reusable components and libraries Experience building and consuming APIs (REST and/or GraphQL) and integrating with downstream systems Strong experience with relational databases including Oracle and/or PostgreSQL, with solid SQL skills; experience with caching patterns ...

Senior Forward Deployed Engineer

Location
Greater London, England, United Kingdom
/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 ...

Senior Software Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
ownership are valued, this is a great opportunity. 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 ...

Engineer C# (Full Stack)

Hiring Organisation
Liquidnet
Location
London, UK
Employment Type
Full-time
database skills (SQL).Excellent problem-solving, communication, and collaboration skills. DesiredExperience 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 to open ...

Engineer C# (Full Stack)

Location
Greater London, England, United Kingdom
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 ...

Principal Software Engineer - Java - Global Technology Asset Management

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
server-side languages and frameworks (e.g. Java/SpringBoot)Experience building solutions on at least one Cloud platform (e.g. AWS) using integration technologies (e.g. GraphQL, REST etc..) and NoSQL/SQL database technologies (e.g. PostgreSQL, TigerGraph etc..)Solid understanding of agile methodologies such as CI/CD, Applicant Resiliency ...

Senior Software Engineer (Back End)

Hiring Organisation
Liquidnet
Location
London, UK
Employment Type
Full-time
metrics, tracing, logging) for distributed systems. Experience with CI/CD pipelines, containerisation (Docker), and orchestration (Kubernetes/EKS). Experience designing APIs (REST, GraphQL). Knowledge of distributed messaging and caching technologies (e.g., Solace, Redis, or similar). Understanding of FIX protocol and FIX message handling. Hands-on experience ...

Senior Forward Deployed ML Engineer, Agents

Location
Greater London, England, United Kingdom
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 ...

Lead Software Engineer - Full Stack, Java & React

Hiring Organisation
JP Morgan Chase
Location
Glasgow, UK
Employment Type
Full-time
building services with Spring BootHands-on experience building modern frontend applications using React with TypeScriptExperience building and consuming APIs (REST and/or GraphQL) and integrating with downstream systemsExperience with relational databases and SQLWorking knowledge of search/indexing concepts, including designing and querying Elasticsearch indexesProficiency across the full software ...

Senior Full Stack Software Engineer

Location
United Kingdom
build trust quickly across engineering, product, and leadership. Preferred Qualifications Experience at an early-stage startup as a senior individual contributor. Familiarity with GraphQL, Terraform, or CI/CD pipeline design. Experience integrating LLMs or building AI-powered product features. Exposure to climate, sustainability, or deep-tech domains. Degree ...

Senior Software Engineer (Back End)

Location
Greater London, England, United Kingdom
metrics, tracing, logging) for distributed systems.* Experience with CI/CD pipelines, containerisation (Docker), and orchestration (Kubernetes/EKS).* Experience designing APIs (REST, GraphQL).* Knowledge of distributed messaging and caching technologies (e.g., Solace, Redis, or similar).* Understanding of FIX protocol and FIX message handling.* Hands-on experience ...