1 to 25 of 406 GraphQL Jobs in the UK

Node Developer

Location
Greater London, England, United Kingdom
write clean, efficient, and scalable code. Familiarity with CI/CD pipelines and DevOps practices is a plus. Experience with TypeScript. Familiarity with GraphQL or other modern data‐fetching technologies. Experience in integrating message brokers (e.g., RabbitMQ, Kafka). Familiarity with cloud platforms like AWS, Azure, or Google Cloud. Knowledge ...

Head of Engineering - Data Products

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

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 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 ...

Senior Software Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
monitoring into system designs.Support internal audits, regulatory reviews, remediation programs, and control assessments.Required Skills:Strong hands-on Java development experience, JDK 17+ preferred.Rest/GraphQL APIs using Spring Boot or any similar.Strong SQL experience with any RDBMS.Working experience with messaging technologies like Kafka or similar.Must have experience with Docker ...

Senior Software Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
designs.* Support internal audits, regulatory reviews, remediation programs, and control assessments. **Required Skills:*** **Strong hands-on Java development experience, JDK 17+ preferred.*** **Rest/GraphQL APIs using Spring Boot or any similar.*** **Strong SQL experience with any RDBMS.*** Working experience with messaging technologies like Kafka or similar.* **Must have experience ...

Senior Software Engineer

Location
Belfast City, Northern Ireland, United Kingdom
designs. Support internal audits, regulatory reviews, remediation programs, and control assessments. Required Skills Strong hands-on Java development experience, JDK 17+ preferred. Rest/GraphQL APIs using Spring Boot or any similar. Strong SQL experience with any RDBMS. Working experience with messaging technologies like Kafka or similar. Must have experience ...

Senior Quality Engineer, Automation & API Testing

Location
Greater London, England, United Kingdom
automation, testing methodologies, and quality best practices. API & Service-Level Testing Design, develop, and maintain robust API and service-level automation frameworks. Validate REST, GraphQL, and microservice-based architectures through automated testing. Create automated tests covering functional, integration, contract, regression, and negative testing scenarios. Validate authentication, authorization, data integrity, error ...

Full Stack Developer

Location
City of Westminster, England, United Kingdom
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 ...

Principal / Senior Principal Software Engineer

Location
United Kingdom
modern frontend technologies (e.g., React, Vue).* **Data Engineering & Cloud Architecture:** Extensive experience in modern data engineering (ETL/ELT, SQL/NoSQL, REST & GraphQL APIs) and cloud-native deployments (preferably AWS).* **SDLC & Engineering Excellence:** Proven track record in establishing robust SDLC patterns, including versioning, automated testing, CI/ ...

Lead Software Engineer - Observability Event Alert UK - Java Full Stack

Location
Glasgow, Scotland, United Kingdom
availability (multi‐AZ/region patterns, autoscaling, HA/DR). Deliver features end‐to‐end, build backend services and APIs (REST/GraphQL) in Java/Spring Boot and contribute to operational UIs/console experiences as needed. Design and implement event‐driven systems and streaming‐based alerting workflows ...

Principal / Senior Principal Software Engineer

Location
Welwyn Hatfield, England, United Kingdom
modern frontend technologies (e.g., React, Vue). Data Engineering & Cloud Architecture: Extensive experience in modern data engineering (ETL/ELT, SQL/NoSQL, REST & GraphQL APIs) and cloud-native deployments (preferably AWS). SDLC & Engineering Excellence: Proven track record in establishing robust SDLC patterns, including versioning, automated testing, CI/ ...

Senior Software Engineer

Location
Brooklyn, England, United Kingdom
Vercel Edge Functions. Experience executing complex content migrations through custom scripting and AI-assisted migration automation tooling. Deep experience designing and consuming RESTful and GraphQL APIs, backend services (Node.js, Python, or Go), and database design (SQL/NoSQL). Strong knowledge of composable architecture, Storybook, design tokens, and modern ...

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 ...

Software Engineer Support

Location
Milton Keynes, England, United Kingdom
Required) Messaging Systems (Kafka, RabbitMQ, IBM MQ) (Required) Relational Databases or NoSQL (Required) Jira & Confluence (Required) UK Payments knowledge (ISO 20022, SWIFT, MX) (Preferred) GraphQL (Preferred) Performance Testing (JMeter, Gatling) (Preferred) DevSecOps practices (Preferred) GitHub Actions (Preferred) Gradle (Preferred) SonarQube (Preferred) Soft Skills Problem-solving skills (Required) Analytical thinking (Required ...

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 ...

Lead Software Engineer - Full Stack, Java & React

Location
Glasgow, Scotland, United Kingdom
services with Spring Boot Hands‐on experience building modern frontend applications using React with TypeScript Experience building and consuming APIs (REST and/or GraphQL) and integrating with downstream systems Experience with relational databases and SQL Working knowledge of search/indexing concepts, including designing and querying Elasticsearch indexes Proficiency ...

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 ...

Software Java Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
monitoring into system designs.Support internal audits, regulatory reviews, remediation programs, and control assessments.Required Skills:Strong hands-on Java development experience, JDK 17+ preferred.Rest/GraphQL APIs using Spring Boot or any similar.Strong SQL experience with any RDBMS.Working experience with messaging technologies like Kafka or similar.Strong problem-solving and analytical abilities ...

Software Java Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
designs.* Support internal audits, regulatory reviews, remediation programs, and control assessments. **Required Skills:*** **Strong hands-on Java development experience, JDK 17+ preferred.*** **Rest/GraphQL APIs using Spring Boot or any similar.*** **Strong SQL experience with any RDBMS.*** Working experience with messaging technologies like Kafka or similar.* Strong problem-solving ...

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 ...

Global AI/ML Engineer Senior Manager

Hiring Organisation
The Boston Consulting Group
Location
London, UK
Employment Type
Full-time
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 ...

Staff Software Engineer, Liquidity

Location
Greater London, England, United Kingdom
modeling Deep experience in building large scale multi-tenant enterprise applications Experience building and maintaining RESTful APIs and understanding when to use alternative patterns (GraphQL, gRPC, webhooks) Deep knowledge in building applications using React, TypeScript, JavaScript, and related technologies WHO WE ARE: Do Your Best Work The opportunity to build ...

Agentforce Operations FDE

Location
Greater London, England, United Kingdom
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 ...