1 to 25 of 102 GraphQL Jobs in London

Senior Product Engineer remote

Hiring Organisation
Serve Legal
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
Frameworks (langchain, langgraph, Google ADK) AI enabled code tooling: Cursor, Windsurf, GitHub copilot AI powered platform development: Lovable, Replit, Bolt APIs & Microservices: RESTful APIs, GraphQL, microservice architectures Cloud & DevOps: AWS, Azure, or GCP; Docker; CI/CD pipelines Data Integration: Products integrating ML/AI models, databases, BI tools ...

Senior Software Engineer (TypeScript / Node.js / PHP / AWS)

Hiring Organisation
AgeChecked
Location
London Area, United Kingdom
React, Vue, or similar). Build and integrate cryptographic export and data protection components ensuring compliance with relevant standards. Develop and optimise RESTful and GraphQL APIs consumed by web and mobile applications. Design efficient data models and queries for MySQL (Aurora) and DynamoDB. Implement secure authentication and authorisation mechanisms (e.g. ...

Founding Senior Full-Stack Engineer

Hiring Organisation
Barrington James
Location
City of London, London, United Kingdom
Solid backend experience with one or more languages/frameworks (e.g., Node.js, Python, Go, Java, Ruby). Experience designing and implementing RESTful APIs or GraphQL services. Strong understanding of databases (SQL and/or NoSQL) and data modeling. Comfortable working with cloud platforms (AWS, GCP, Azure) and CI/ ...

Head of Software Engineering - 2 Days London City/3 Remote

Hiring Organisation
ZENZO DIGITAL LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Bootstrap, Tailwind), state management (Redux, Context API) Front-end testing (Jest, React Testing Library, Cypress) Backend C#, ASP.NET Core/.NET 6+ RESTful and GraphQL APIs Entity Framework Core, LINQ Authentication & authorisation (OAuth2, JWT, Azure AD) Secure coding and API versioning Data & Integration SQL Server, Azure SQL, Cosmos ...

Platform Engineer - Internal Developer Platform

Hiring Organisation
BP Energy
Location
Sunbury-On-Thames, London, United Kingdom
Employment Type
Work From Home
building internal platforms, IDPs(Internal Developer Platform), or self-service developer tooling. Experience of working in a monorepo. Knowledge of service communication patterns (REST, GraphQL, gRPC, messaging). Experience in secure, regulated environments (e.g., SoX, audit requirements). Exposure to policy-as-code tools (e.g., OPA, Kyverno, Cedar). Familiarity ...

Full-Stack Engineer - 6-month contract - Immediate Start

Hiring Organisation
The ECA International Group
Location
London, United Kingdom
Employment Type
Contract, Work From Home
with React, Tailwind CSS, Node.js, and TypeScript . Solid understanding of microservices and modular architecture . APIs, Data & Integrations Strong experience with RESTful and GraphQL APIs . Hands-on experience with middleware and orchestration tools such as Tachyon, Temporal, or similar platforms. Experience with data ingestion, pipeline management, and distributed ...

Software Engineer (Backend, AI Systems)

Hiring Organisation
Locai Labs
Location
London Area, United Kingdom
working on backend systems, APIs, or AI-related products Proficiency in Python and JavaScript/TypeScript (Node.js) Strong understanding of backend architectures, REST/GraphQL APIs, and data modelling Experience with containerisation (Docker) and cloud platforms ( GCP , AWS , or similar) Familiarity with LLM or AI APIs Exposure to agentic frameworks ...

Lead Software Engineer

Hiring Organisation
JPMorganChase
Location
London, UK
applications using React Native in TypeScript or JavaScript Native application development across Android/iOS in Kotlin/Swift Understanding of REST APIs and GraphQL Comfortable working with projects partially or fully using TypeScript Using latest React features such as Suspense and Hooks End to end testing applications with Detox ...

Forward Deployed ML Engineer, Agents

Hiring Organisation
AION
Location
London, UK
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, Frontend

Hiring Organisation
Travelex
Location
City of London, London, United Kingdom
applications Demonstrated fluency with TypeScript, React and frameworks such as NextJS Familiarity with state management libraries (Zustand, Redux, MobX etc.) Experience working with GraphQL/REST APIs Knowledge of the web platform, including HTML, CSS and Browser APIs Experience with the testing pyramid and tools such as Vitest, Jest, Playwright ...

Neo4j Aura (Cloud Graph Database) Engineer

Hiring Organisation
Unitech Consultancy Services Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
models using Neo4j AuraDB (Professional/Enterprise) Build and optimise Cypher queries for performance and scalability Integrate Neo4j Aura with cloud-native applications (REST, GraphQL, event-driven systems) Manage data ingestion pipelines (Kafka, Spark, ETL tools, APIs) Monitor, tune, and troubleshoot Neo4j Aura performance and availability Implement security, access control ...

Head of Software Development

Hiring Organisation
Avanti
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £120,000 per annum
teams Experience working in technical, multidisciplinary environments Clear communicator with strong stakeholder management skills Technology Environment Frontend: React, TypeScript Backend: Node.js, Python, REST and GraphQL APIs Cloud and Infrastructure: AWS, Docker, CI/CD Data and ML: Python-based data and ML tooling Working Pattern Hybrid working model Typically ...

Senior Mobile Engineer

Hiring Organisation
AdvisoryAI
Location
City of London, London, United Kingdom
frameworks (SwiftUI, Jetpack Compose) Architecture : MVVM/MVI, Clean Architecture, Reactive patterns (Combine, Coroutines/Flow) Networking : REST APIs, WebSocket for real-time features, GraphQL consideration Local Storage : Core Data/SQLite, Room Database, secure keychain/keystore AI Integration : Real-time transcription, LLM-powered document generation, offline ML models ...

Senior Golang/Java Security Engineer

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
Authentication Linux at the terminal, including scripting and automation (e.g. shell, Python) Some other highly valued skills may include: Experience with CI/CD GraphQL Familiarity with authentication systems (e.g. OAUTH, SAML, Kerberos) OpenShift/Kubernetes and Docker Please feel free to contact myself – Daisy Nguyen at Gibbs Consulting/ ...

Lead Software Engineer (Python)

Hiring Organisation
Circuit Mind
Location
London Area, 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 ...

Artificial Intelligence Architect

Hiring Organisation
Experis UK
Location
London Area, United Kingdom
Partner with data teams to design secure data ingestion, curation, and governance in Azure Data Lake/Fabric . Architect API layers (REST/GraphQL), microservices, and event-driven patterns for AI-enabled apps (including Microsoft 365/Graph integrations where relevant). Security, Compliance & Responsible AI Implement Azure security ...

Full-Stack Software Developer

Hiring Organisation
Greenpixie
Location
City Of Westminster, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
rough designs using UI frameworks such as shadcn and Tailwind UI. Experience building web applications with React and NextJS. Strong understanding of APIs (REST, GraphQL) and how to build and consume them, using Python in FastAPI, Flask or similar framework Experience using Claude Code and/or Cursor to build ...

Application Security Engineer

Hiring Organisation
Atrium Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £550 to £650 per day
Authentication Linux at the terminal, including scripting and automation (e.g. shell, Python) Some other highly valued skills may include: Experience with CI/CD GraphQL Familiarity with authentication systems (e.g. OAUTH, SAML, Kerberos) OpenShift/Kubernetes and Docker Please feel free to contact myself Daisy Nguyen at Gibbs Consulting/ ...

AppSec Engineer / Application Security Engineer

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £650 per day
Authentication Linux at the terminal, including scripting and automation (e.g. shell, Python) Some other highly valued skills may include: Experience with CI/CD GraphQL Familiarity with authentication systems (e.g. OAUTH, SAML, Kerberos) OpenShift/Kubernetes and Docker Please feel free to contact myself – Daisy Nguyen at Gibbs Consulting/ ...

.Net Developer (Fully Remote)

Hiring Organisation
DMS Computer Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £65,000 per annum
strong background in relational database theory and excellent knowledge of Relational Databases (SQL Server/MYSQL/Oracle) Experience with communication protocols like GraphQL, GRPC Experience with asynchronous pub-sub message bus architectures such as RabbitMQ Kafka or equivalent Experience with C CLI Experience with Python ...

Site Reliability Engineer

Hiring Organisation
Global Fintech
Location
City of London, London, United Kingdom
DevOps, SRE, or related technical roles, ideally within financial technology environments. Strong technical expertise with Python, Unix, PostgreSQL, and familiarity with Kafka, CockroachDB, FastAPI, GraphQL, Snowflake, Redis, and QuestDB or equivalent technologies. Proven experience designing and implementing monitoring and alerting tools (DataDog, Grafana). Solid experience with AWS Cloud Infrastructure ...

Software Engineer

Hiring Organisation
Foodsteps
Location
London, UK
artefacts created in Figma. You are proficient in automated front-end testing. You have some experience building software applications in Python, developing APIs, using GraphQL and REST, and back end business logic when required. You will be motivated by working in a small team in a dynamic environment where every ...

Lead Software Engineer, React Native

Hiring Organisation
Travelex
Location
City of London, London, United Kingdom
patterns. Proven track record of shipping complex mobile applications to production Comfortable mentoring peers and supporting technical decision-making. Solid understanding of API integration (GraphQL and/or REST). Strong communication skills — able to work effectively with engineers, product managers, and designers. Experience with native modules and bridging ...

Principal Engineer (Solutions Architect) - (Frontend & Mobile)

Hiring Organisation
Hargreaves Lansdown
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
stateless, SPA and others Advanced knowledge of React and React Native Eco system and AWS technology stack. Strong API/integration experience: REST/GraphQL, auth flows, contract design and resilience patterns Well versed in latest CI/CD practises and tools, deployment methodologies and experienced in tools to enforce ...

Shopify Developer

Hiring Organisation
Halian Technology Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
/Vue ,andmodernfront-endbuildtools(Webpack,Vite,etc.). Experiencebuilding customShopifyapps using Node.js or RubyonRails . Familiaritywith Headless/Hydrogen/StorefrontAPI approaches. Provenexperiencewith ShopifyAPIs,GraphQL,andwebhooks . StrongunderstandingofecommerceprinciplesandUXbestpractices. Experienceleadingprojectsormentoringdevelopers. Excellentcommunicationandcollaborationskills. Mustbe basedintheUK withfullrighttowork. NicetoHave Experiencewith TypeScript . Familiaritywith headlessCMS platforms(e.g.Contentful,Sanity). Knowledgeof CI/CDpipelines andmodernDevOpsworkflows. Previousexperienceinan agencyenvironment ...