1 to 25 of 443 GraphQL Jobs in the UK

Senior Software Engineer - NWX Networx

Hiring Organisation
Iris Software
Location
United Kingdom, UK
Employment Type
Full-time
patterns (micro-frontends, SSR/SSG)· Knowledge of security best practices and compliance requirements (OAuth2, OIDC, RBAC)· Experience with event-driven architectures· Experience in GraphQL APIs and real-time communication (SignalR, WebSockets)· Exposure to DevOps processes and automation ensuring end-to-end responsibility of features. Advanced cloud certifications in Azure ...

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 ...

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 ...

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 ...

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 ...

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 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 ...

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 ...

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 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 ...

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 Engineer III - Full Stack, Global Banking Tech

Hiring Organisation
JP Morgan Chase
Location
Glasgow, UK
Employment Type
Full-time
fundamentals with HTML/CSS and responsive design, including experience building reusable components and librariesExperience building and consuming APIs (REST and/or GraphQL) and integrating with downstream systemsStrong experience with relational databases including Oracle and/or PostgreSQL, with solid SQL skills; experience with caching patterns and technologies (e.g. ...

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
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 ...

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 ...

Full Stack Software Engineer

Hiring Organisation
McGregor Boyall
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £100,000 per annum
while gaining exposure to cutting-edge AWS architecture and engineering best practices. Key Skills: TypeScript React, Redux, React Query HTML5, CSS3, Tailwind REST APIs, GraphQL, WebSockets AWS (Lambda, Fargate, API Gateway, AppSync) Terraform, CI/CD, Containerisation SQL & NoSQL databases Git and automated testing Experience Required: Commercial experience ...

Senior Full Stack Engineer

Location
United Kingdom
testing, CI/CD, and scalability. Key Requirements: Frontend: Experience with React, Redux, and TypeScript. Backend: Expertise in Node.js microservices and familiarity with REST, GraphQL, asynchronous messaging, and JSON. Proficiency with NoSQL databases (e.g., MongoDB) and search technologies (e.g., Elasticsearch or Atlas Search). Strong understanding of automated testing ...

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 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 Engineer

Location
Greater London, England, United Kingdom
into our engineering processes.**Knowledge, Skills and Behaviours**Essential* Tech stack: Comfortable with TypeScript (Node.js and React), AWS (EKS, Lambda, Aurora RDS), Kubernetes and GraphQL, with extensive knowledge of JavaScript more generally, the AWS ecosystem and running containerised applications.* Past Experience: Proven experience designing large, distributed, data-driven systems ...

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 ...