1 to 25 of 33 GraphQL Jobs in London

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 ...

Senior Forward Deployed Engineer

Hiring Organisation
Uniphore
Location
London Area, 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 Staff Forward Deployed Engineer

Hiring Organisation
Uniphore
Location
City of London, London, United Kingdom
deploying AI/ML or data-intensive applications in production Strong full-stack skills: Python, Node.js/Go, React/Vue, SQL, REST/GraphQL DevOps proficiency: Docker, Kubernetes, CI/CD, and major cloud platforms Expertise in LLMs, Prompt Engineering, Vector DBs, RAG pipelines, and Agentic orchestration frameworks Agentic ...

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/ ...

Specialised Engineer – HCL Commerce

Hiring Organisation
Vallum Associates
Location
London Area, United Kingdom
releases, rollbacks, and platform improvements Essential Skills & Experience Strong hands-on experience with HCL Commerce/IBM WebSphere Commerce architecture Proficiency in Java, J2EE, GraphQL, and RESTful APIs Experience with Spring/Spring Boot backend development Strong knowledge of relational databases, particularly Oracle Experience with tools such as Eclipse ...

Developer Golang

Hiring Organisation
CBTS
Location
London Area, United Kingdom
Behavior Driven Development (BDD) and Waterfall) Knowledge of any or all of the following technologies is desired: Kafka, Postgres, Golang, Git, gRPC, Docker, GraphQL Experienced in continuous integration (CI), continuous deployment (CD) and continuous testing (CT), including tools such as Jenkins, Rally and/or JIRA and version control such ...

Software Engineer

Hiring Organisation
Chumley
Location
City of London, London, United Kingdom
Strong proficiency with React , modern JavaScript/TypeScript, and Vite or equivalent tooling. Back-end experience (e.g. Node.js or similar) with RESTful or GraphQL APIs. Experience integrating or working with Salesforce (APIs, webhooks, or data pipelines). Good understanding of application architecture, performance, and security. Comfort working in a small ...

Lead Software Engineer (Python)

Hiring Organisation
Circuit Mind
Location
City of London, London, United Kingdom
models. Learn, use, and improve best practices and processes for high-quality software development. Our technology stack includes Python 3.11, PostgreSQL, Django, mypy, GraphQL, Docker, Redis, Typescript, React. Qualifications We’re only considering exceptional candidates, with the following pre-requisites: 5+ years of professional software development experience. 2+ years ...

Lead Engineer

Hiring Organisation
Formula
Location
City of London, London, United Kingdom
deep, hands-on experience is essential (topic design, consumer groups, schema registry, Kafka Streams or similar) TypeScript, Node.js AWS (EKS, Lambda, Aurora RDS), Kubernetes GraphQL, Terraform, DataDog Salesforce or enterprise CRM experience is a strong advantage Contract details: IR35: Outside IR35 Rate: Up to £700 per day Contract length ...

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 ...

Software Engineer Middle/Back Office Asset Manager (Contract)

Hiring Organisation
Alexander Ash Consulting Limited
Location
Central London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £700 to £800 per day
Cursor, GitHub Copilot) with significant examples of delivery improvement AWS (S3, Lambda, EC2, Glue), Snowflake, Git, CI/CD, Datadog, MS SQL Server, REST, GraphQL, Airflow (as many as possible) Degree educated or higher in a relevant technical discipline from a leading university This is a £650-700/ ...

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 ...

Senior C# / React Developer - Energy Trading - London

Hiring Organisation
Options Group
Location
London Area, United Kingdom
with React Experience working in an agile scrum development model University degree (Bachelor or Master) in Computer Science or Maths Desirable Skills: Experience in GraphQL or gRPC Experience in Reactive Extensions (RX) Previous experience in the commodities or finance industry (hedge fund, investment banking, private banking, fintech ...

Senior Backend Engineer

Hiring Organisation
Deep Medical
Location
Greater London, England, United Kingdom
TypeScript. Experience designing and operating distributed systems at scale. Strong understanding of databases, data modelling and system design. Experience building and maintaining APIs (REST, GraphQL and/or gRPC). Experience with AWS. Experience taking technical ownership of systems and driving projects from design through to production. Experience with Docker ...

Senior Backend Engineer

Hiring Organisation
WireMock
Location
City Of London, England, United Kingdom
particular. Experience managing cloud infrastructure via configuration-as-code. Front end development experience - HTML, CSS and Javascript. Experience with gRPC, GraphQL or websockets development. Please only direct candidates, no recruiters. ...

IT Integration Developer

Hiring Organisation
Profectus Recruitment
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum, Inc benefits
Services including Logic Apps, Azure Functions and API Management • Create event driven integration patterns and data flows between multiple systems • Work with REST and GraphQL APIs alongside modern authentication technologies including OAuth2, OpenID Connect and SAML • Ensure secure by design principles are embedded throughout all integration architecture • Produce and maintain ...

Senior Front-End Engineer- React Native, TypeScript, Mobile

Hiring Organisation
Gravitas Recruitment Group Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Central London. * Experienced building production mobile apps in fast paced environments * Strong in React Native & TypeScript, shipping crossplatform apps * Experience with REST/GraphQL APIs and push notifications (APNs, FCM) * Familiar with mobile CI/CD (App Store Connect, Google Play) * Good understanding of mobile security (biometrics, secure storage, data ...

Senior IAM Developer

Hiring Organisation
Fruition Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Workspace. Expertise in Legacy and modern authentication protocols. Strong understanding of Identity Lifecycle Management and Access Control frameworks. Experience working with REST, SOAP and GraphQL APIs. Excellent knowledge of Cyber Security standards and frameworks, including ISO 27001, NIST and CIS. Strong communication, stakeholder management and organisational skills. Ability to work ...

Integration Engineer

Hiring Organisation
Intec Select
Location
London Area, United Kingdom
hands-on experience developing integrations between enterprise platforms such as Microsoft Dynamics 365, WMS, TMS, or other business-critical systems. Experience with REST APIs, GraphQL, SOAP services, messaging technologies, and file-based integrations. Strong knowledge of Azure Integration Services including Service Bus, Logic Apps, Event Grid, and API Management. Experience ...

Product Engineer

Hiring Organisation
Metris Energy
Location
London, England, United Kingdom
right questions, and making reasonable bets. Bonus Experience with IoT/telemetry, energy data, or time-series workloads Familiarity with event-driven architectures, GraphQL, Airflow, or Python Personal interest in energy, climate tech, or automation Track record of owning complex systems end-to-end 5+ years of experience This role ...

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 ...

Integration Architect

Hiring Organisation
INTEC SELECT LIMITED
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
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 ...

Senior Software Developer

Hiring Organisation
Tenth Revolution Group
Location
London Area, United Kingdom
e.g. agent orchestration libraries and LLM-based tooling) Vector databases (e.g. Pinecone, Milvus, Weaviate or similar) LLM orchestration and tool-calling pipelines REST and GraphQL API design Key Focus Areas Designing systems that leverage reasoning loops within large language models Building self-correcting and adaptive AI architectures Implementing prompt engineering ...

Shopify Developer

Hiring Organisation
Charle Agency - Shopify Plus Partner Agency
Location
Greater London, England, United Kingdom
Javascript/Web Components Tailwind (or familiarity with CSS frameworks) HTML (with best practices and accessibility in mind) Webpack/Vite REST/GraphQL APIs Shopify CLI Git Shopify Functions Checkout Extensibility Bonus Experience: Shopify App Development How to Apply: Interested? Great! Send a brief covering letter (email) along with ...

Dirtea Shopify Engineer

Hiring Organisation
Launch Lab
Location
Hammersmith, England, United Kingdom
Shopify Developer in a DTC/eCommerce environment Strong expertise in Shopify Liquid and Online Store 2.0 Experience with Shopify APIs (REST/GraphQL) and third-party integrations Solid front-end skills (HTML, CSS, JavaScript) Track record of improving performance, UX, and conversion Experience with subscription platforms (Recharge, Skio, etc. ...