1 to 25 of 34 GraphQL Jobs in London

Global IT Software Engineer - Senior Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Backend Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
morebackend programming languages such as: Python Go Java Kotlin C# TypeScript/Node.js Ruby Rust Experience designing and consuming RESTful and/or GraphQL APIs. Strong understanding of SQL and database design principles. Experience with cloud platforms such as AWS, Azure, or GCP. Familiarity with containerisation technologies such as Docker ...

Full Stack 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 ...

Lead Solution Architect Endur (ETRM Gas & Power Trading)

Hiring Organisation
BP Energy
Location
South West London, London, United Kingdom
Employment Type
Work From Home
attribution, settlement, confirmations and regulatory reporting. Expert understanding of integration architecture in high-performance trading environments including messaging (JMS, MQ, Kafka), API design (REST, GraphQL, gRPC), event-driven patterns, ETL/ELT, real-time market data connectivity and STP workflows. Strong data architecture expertise, including canonical data models, data mesh ...

OSS/BSS Solution architect

Hiring Organisation
IBU CONSULTING LTD
Location
London, United Kingdom
Employment Type
Contract
read and write API specs - Hands-on with TMF/ODA frameworks for product and service APIs - Expertise in integration patterns ( OpenAPI , REST, gRPC , GraphQL ) - Strong background in pub/sub and event brokers (Kafka, RabbitMQ) including security (TLS/SASL), scaling and schema evolution - Knowledge of headers, correlation/ ...

Senior AI Automation Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
large language models. Experience with Azure OpenAI, Azure AI Foundry, Copilot Studio or similar platforms would be highly beneficial. Strong experience with REST APIs, GraphQL, authentication and system integration. Experience building reusable services, connectors or internal platform components. Knowledge of CI/CD pipelines, Git workflows, automated testing, deployment ...

Senior AI Automation Engineer

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
large language models. Experience with Azure OpenAI, Azure AI Foundry, Copilot Studio or similar platforms would be highly beneficial. Strong experience with REST APIs, GraphQL, authentication and system integration. Experience building reusable services, connectors or internal platform components. Knowledge of CI/CD pipelines, Git workflows, automated testing, deployment ...

Knowledge Graph Architect

Hiring Organisation
Thebes IT Solutions Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
lineage tracking Schema mapping Semantic data integration Metadata management Data quality frameworks Python (networkx, rdflib, py2neo) SQL Bash/Shell Scripting REST API integration GraphQL JSON-LD processing AI & Cloud Architecture AI Integration Cloud Platforms Governance & Operations RAG architecture design GraphRAG implementation Vector database integration LLM knowledge grounding Semantic retrieval ...

Full Stack Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
development practices, with a focus on performance optimisation, scalability, and application stability. SQL - Proven experience writing and optimising SQL queries within production environments. GraphQL, tRPC and REST APIs - Solid understanding of API design principles and experience working with multiple communication patterns between applications, services, and microservices. Company UK's market ...

Senior Presales Engineer

Hiring Organisation
Uniphore
Location
City of London, London, United Kingdom
security: designing, integrating, and securing API connections between AI platforms and business applications (e.g., CRM, ERP, data warehouses), with knowledge of protocols (REST, GraphQL) and authentication mechanisms (OAuth 2.0, API keys). Data and network architecture acumen – ability to discuss and propose solutions around data governance, network segmentation, and enterprise ...

Full Stack Engineer

Hiring Organisation
Total Recruitment Group
Location
West London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
backend expertise in Typescript and Node and front capability in React Proficiency in SQL, Redux, cloud services (AWS or GCP), RESTful API design and GraphQL Strong analytical skills with the ability to design, optimise, and troubleshoot complex UIs Excellent communication and leadership skills; ability to mentor junior team members Other ...

AI Solutions Architect - up to £120K+Benefits - Hybrid/London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
assisted development tools Strong knowledge of cloud AI and ML platforms and associated architecture patterns Experience designing and managing APIs including REST and GraphQL Strong understanding of microservices and serverless architectures Practical experience with DevOps and MLOps practices including CI/CD pipelines Knowledge of security frameworks, identity management ...

Senior Engineer (Frontend/Full Stack)

Hiring Organisation
Stealth IT Consulting
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
with cross-functional teams across multiple locations Support CI/CD pipelines and deployment processes Tech Stack/Skills Required React.js, Next.js TypeScript Node.js GraphQL Unit testing & TDD practices Agile development methodologies Jenkins, Concourse CI Microsoft Playwright (test automation) What We're Looking For Strong experience building modern web applications ...

EN-Data Engineer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500/hour
proficiency in Python and SQL. Experience with graph query languages such as SPARQL and Cypher. Hands-on experience with graph databases and frameworks (Neo4j, GraphQL, RDF, or similar). Experience working with cloud platforms such as AWS and/or Azure. Strong data modelling, analytical, and problem-solving skills. Excellent ...

Director, Generative AI Experience Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
also considered Serverless and edge infrastructure AI workload deployment and optimisation CI/CD pipelines and Infrastructure as Code Additional Technical Experience REST and GraphQL APIs Microservices and MACH architectures CMS, DXPs and MarTech ecosystems QUALITIES AND CHARACTERISTICS Must come from a strong engineering or development background with deep frontend ...

Engineering Team Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
backend or full‐stack engineering experience, with strong TypeScript/JavaScript and Node.js skills. Experience designing versioned APIs (REST/OpenAPI and/or GraphQL with schema governance). Experience working in platform or infrastructure engineering roles — comfortable with work whose primary customer is other engineers. Ability to navigate ambiguity ...

Full Stack Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Hounslow, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
account management i.e. chat bots, live chat and comprehensive help articles. Technical skills: React.js, Next.js, Unit testing, Agile, Typescript, Jenkins, Concource CI, TDD, Node.js, GraphQL, Microsoft Playwright ...

Senior Engineer CGEMJP00345173

Hiring Organisation
Experis
Location
West London, London, United Kingdom
Employment Type
Contract
comprehensive help articles. The team is based across London, Lisbon and Prague. Skills : React.js, Next.js, Unit testing, Agile, Typescript, Jenkins, Concource CI, TDD, Node.js, GraphQL, Microsoft Playwirght All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able ...

Senior Full Stack Engineer (TypeScript)

Hiring Organisation
Spencer Rose Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 95,000 Annual
Doing Building scalable full stack applications using TypeScript across Front End and Back End services Developing modern user interfaces with React Designing and building GraphQL and REST APIs Working with NoSQL databases to support highly scalable applications Developing cloud-native services within AWS Contributing to architecture and technical design discussions … wider team Technology Stack Core Requirements Strong commercial experience with TypeScript Experience building applications across both Front End and Back End environments GraphQL NoSQL databases (DynamoDB experience is beneficial but not essential) AWS or similar cloud platform experience REST APIs Microservices architecture Automated testing and CI/CD practices ...

Integration Architect

Hiring Organisation
INTEC SELECT LIMITED
Location
London, UK
Employment Type
Full-time
Architecture, Enterprise Architecture, or Senior Systems Analysis. Strong experience integrating enterprise platforms including Microsoft Dynamics 365, WMS, or TMS solutions. Expertise in REST APIs, GraphQL, Azure Service Bus, Logic Apps, Event Grid, and file-based integrations. Strong understanding of data modelling, JSON, XML, and OData. Experience creating architecture diagrams, data ...

React Native Lead Developer

Hiring Organisation
Hunter Bond
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 95,000 Annual
amazing opportunity! The following skills/experience is essential: Strong React Native development background Demonstrable experience delivering applications in both iOS and Android GraphQL and Restful APIs Solid understanding of the full mobile development life cycle Good communication skills Salary: Up to £95,000 + bonus + package Location: London ...

Staff Design Engineer, UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
design system and the design and implementation of features for hundreds of users with iterative user feedback. Technical Stack TypeScript (frontend & backend), React, GraphQL, Node.js, Postgres, and Redis. Minimum proficiency in TypeScript, React, and CSS is required; backend proficiency is a plus. Benefits Competitive salary and equity. 10‐year exercise ...

Generative AI Director

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
pipelines using DAG frameworks, including custom operator development and pipeline optimization. Architect and implement high‐throughput, low‐latency microservices with gRPC, REST, and GraphQL, including protocol buffer schema design, streaming endpoints, and load balancing. Apply hands‐on experience with parameter‐efficient fine‐tuning (LoRA, QLoRA, IA3), model quantization (INT8, FP16 ...

Full Stack Engineer (TypeScript)

Hiring Organisation
Spencer Rose Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
applications. What You'll Be Doing Building full stack applications using TypeScript across Front End and Back End services Developing and enhancing APIs using GraphQL and REST Working with NoSQL databases to support scalable applications Building and maintaining cloud-native services within AWS Contributing to technical discussions and solution design … improvement of engineering practices and processes Technology stack core requirements Commercial experience with TypeScript Experience building applications across Front End and Back End environments GraphQL NoSQL databases (DynamoDB experience is beneficial but not essential) AWS or similar cloud platform experience REST APIs Microservices architecture Automated testing practices Git Desirable Experience ...

Solutions Architect - Digital Platforms

Hiring Organisation
Cadence Resourcing Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£85,000
seeking someone with experience delivering modern digital platforms, cloud-native architectures (Azure), API-led integrations and Adobe Experience Manager environments. Knowledge of headless architectures, GraphQL and digital customer journeys is highly desirable. If you're passionate about driving exceptional digital experiences and influencing strategic technology decisions, we'd love ...