26 to 50 of 342 GraphQL Jobs in the UK

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 ...

Software Engineer II

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 ...

Staff Android Engineer

Location
Greater London, England, United Kingdom
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 ...

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 – Principal Consultant - Architecture

Location
West of England, England, United Kingdom
useful but not essential): Power Platform Azure OpenAI OpenAI Services Kubernetes OpenShift MongoDB PostgreSQL SQL Server Neo4j Elastic Event Hub Service Bus Kafka Confluent GraphQL FinOps Platform Engineering AI/ML Operations (MLOps) Data Mesh Data Products Digital Twin The suitable candidate will need National Security Vetting (NSV) security clearance. ...

Forward Deployed Solution Engineer – Applied AI FDE

Location
Greater London, England, United Kingdom
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 ...

Forward Deployed Solution Engineer – AppliedAI FDE

Location
Royal Borough of Greenwich, England, United Kingdom
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 ...

Software Java 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 ...

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 ...

Senior Software Developer (.NET)

Location
Cardiff, Wales, United Kingdom
mentoring others. Strong communication skills, able to engage both technical and non-technical stakeholders. Experience working in agile teams. Desirable Microsoft Azure certifications. GraphQL (e.g. HotChocolate). Exposure to Kafka or other event-driven platforms. Knowledge of DevOps/IaC (Docker, Azure DevOps). Familiarity with Azure observability, identity ...

Senior Lead Software Engineer - Full Stack ReactJS, Java, Python, AWS, AI/ML

Location
Greater London, England, United Kingdom
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 ...

Full Stack Engineer

Location
Greater London, England, United Kingdom
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 ...

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 ...

Backend Engineering and Architecture Lead

Location
Greater London, England, United Kingdom
Experience working with technologies such as Django, Flask, PostgreSQL, DynamoDB, Redis, Docker, Kubernetes and Terraform. Experience with event-driven architecture, REST and GraphQL APIs, messaging services and cloud-native infrastructure. A background in observability, automated testing and incident management, using tools such as PyTest, CloudWatch, New Relic or Sentry. Experience ...

Principal Engineer (Gen AI and MACH Architecture)

Location
Greater London, England, United Kingdom
Microsoft Azure; infrastructure design, security and operational ownership, and the ability to draw parallels across cloud providers. API design: RESTful and GraphQL APIs, contract‐first design, versioning, gateway patterns and integration across SaaS, CMS, DXP and MarTech stacks. Distributed systems and event‐driven architecture: messaging, async workflows, resilience patterns, idempotency ...

Front-End Lead Software Engineer Thomson Reuters

Location
Greater London, England, United Kingdom
problem-solving: root-causing issues quickly and reducing technical debt over time Additional experience and technical skills Next.js or other SSR/SSG frameworks GraphQL Microfrontends architecture Familiarity with the team’s broader stack: AngularJS and Tailwind (front end); Java with Spring Boot and TypeScript with AWS Lambda (back ...

Senior Java Developer (AWS, Microservices) – Sussex

Location
Greater London, England, United Kingdom
languages. Hands‐on experience with AWS cloud services (Lambda, API Gateway, DynamoDB, ECS, S3, etc.). Experience developing RESTful APIs. Exposure to SOAP and GraphQL services. Familiarity with CI/CD pipelines (e.g., Jenkins, GitHub Actions, AWS CodePipeline). Knowledge of unit testing, integration testing, and automation testing. Awareness ...

Python Developer with Azure Python, Azure, FastAPI, RESTful, Kafka, SQL, Docker, Kubernetes, CI/CD

Location
United Kingdom
/CD pipelines, automated testing, and deployment workflows Practical experience working with Docker and Kubernetes in production environments Practical experience working with GraphQL Strong knowledge of SQL/NoSQL databases and data modeling Experience with cloud architecture patterns, scalability, and performance optimization Familiarity with testing practices (unit, integration ...

Senior Python Engineer

Location
Greater London, England, United Kingdom
with strong expertise in Python Solid experience with at least one major web framework (Django, FastAPI, or Flask) Strong understanding of RESTful API design; GraphQL experience is a plus Proficiency with relational databases (PostgreSQL/MySQL) and ORMs; NoSQL experience (Redis, MongoDB) is a plus Experience with asynchronous programming (asyncio ...

Software Architect (UK)

Location
Horsham, England, United Kingdom
Experience in the cybersecurity, forensics, or defence technology sectors Understanding of database design and data architecture patterns Experience with API design and RESTful/GraphQL architectures Knowledge of performance optimisation and scalability patterns Formal architecture training or certifications (e.g., TOGAF, AWS/Azure Architect certifications) We’re happy to consider ...

Staff Software Engineer

Location
Greater London, England, United Kingdom
maintainable code, to join our mission of securing the cloud. We run a multi-cloud architecture (Azure, AWS, GCP, OCI, Alibaba Cloud) using Golang, GraphQL, PostgreSQL, Neptune, Docker, Kubernetes, and the list goes on. WHAT YOU’LL DO End-to-end development of backend software components (research, design, development, testing ...

Java Developer (SC Eligible/ Cleared)

Location
Greater London, England, United Kingdom
understands how their work contributes to broader team and organisational objectives. Key Responsibilities Design, develop, test, and maintain backend services and REST/GraphQL APIs using Java/Spring Boot (or equivalent modern backend stack). Contribute to system architecture and data model design in collaboration with senior/lead ...

Full Stack Software Engineer

Location
Royston, England, United Kingdom
accessibility Experience with WPF/XAML and desktop-to-web integration patterns SQL and database programming experience API design and implementation, including REST, GraphQL, versioning and security fundamentals Experience with hardware interfaces and control systems, including serial, network or USB communication Knowledge of data visualisation, graphing tools, performance optimisation ...

Backend Engineer – AWS, TypeScript & Serverless

Location
Greater London, England, United Kingdom
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 ...

Senior Product Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
Experience building LLM-powered product features: retrieval, tool use, agent workflows, evaluation and observability of model output. Familiarity with Ruby/Rails, React, Federated GraphQL, Kafka, Kubernetes, Docker, microservices, and NetSuite. Experience in logistics, supply chain, marketplace, or other operations-heavy products. Design sensibility: comfortable making reasonable UI decisions without ...