1 to 25 of 84 GraphQL Jobs in London

Senior Product Engineer - AI, Data, Cloud (Innovation Labs)

Hiring Organisation
Serve Legal
Location
London, UK
Employment Type
Full-time
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 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 ...

Technical Lead - Head of Engineering - 2 Days Peterborough or London

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 ...

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 ...

Engineer Neo4j Aura (Cloud Graph Database)

Hiring Organisation
UNITECH
Location
City of London, London, United Kingdom
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 ...

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 ...

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 ...

AI Director

Hiring Organisation
Global University Systems
Location
South London, UK
Employment Type
Full-time
vector databases and retrieval pipelines (e.g., Azure AI Search, Pinecone) and guardrails for GenAI. Background in enterprise architecture and integration patterns (event-driven, REST, GraphQL). Relevant certifications such as Agile/Scrum (PSM/CSM), Azure AI Engineer/DP-100, PMI-ACP/SAFe, or security/privacy ...

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/ ...

Senior Software Engineer

Hiring Organisation
Burns Sheehan
Location
Greater London, England, United Kingdom
culture, encouraging peer to peer feedback and evolving healthy, curious and humble teams. Tech Stack: Python, Javascript/Typescript, React/React Native, AWS, GraphQL, Snowflake, Airflow, DDD. This is an incredible opportunity for a Senior Software Engineer to join a unique company as they embark on a period ...

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 ...

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 ...

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 ...

Back end Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
features. 6 month contract uk wide hybrid Core skills Java, Spring Boot, Spring Data/JPA (Hibernate), PostgreSQL. Eventing: Kafka; RESTful APIs (GraphQL a plus). Security: OAuth2/OIDC, secrets management, secure coding. CI/CD and containerisation: Docker; deploy to AWS and/or PCF on-prem. Responsibilities ...

Lead Software Engineer

Hiring Organisation
Durlston Partners
Location
London, UK
Employment Type
Full-time
SCSS Strong understanding of e-commerce fundamentals, including checkout flows, product pages, and conversion optimisation Experience with the Shopify ecosystem, APIs (REST/GraphQL), metafields, and third-party integrations Experience migrating from a custom tech stack to Shopify Performance-focused mindset, with attention to site speed and Core Web Vitals ...

Senior Full Stack Developer | C# & React | Greenfield Trading Platform | London, Hybrid | Up to £120k + Bonus, Benefits

Hiring Organisation
VirtueTech Recruitment Group
Location
Greater London, England, United Kingdom
designing and building scalable, event-driven architectures . React experience is a plus , particularly for building modern user interfaces. Proficiency in SQL , with GraphQL and Redux being beneficial. Experience in software development best practices, performance optimization, and debugging . Strong analytical skills for solving complex technical challenges. Excellent communication ...

Head of Mobile Engineering & Architecture - React & AWS

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £900 per day + Outside IR35
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 ...

Head of Mobile Engineering & Architecture - React & AWS

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £900 per day
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 ...

Chief Technology Officer

Hiring Organisation
Future find
Location
South London, UK
Employment Type
Full-time
investor conversations Manage technical/dev responsibility for any contractor arrangements in place. Technical Requirements Backend & APIs Strong experience designing REST and/or GraphQL APIs for production SaaS platforms Advanced proficiency in Python (FastAPI) and/or Node.js (TypeScript/NestJS) Deep understanding of multi-tenant system design, permissions ...

Senior IAM Developer (One Identity)

Hiring Organisation
Sky
Location
Wembley, Middlesex, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
with standards such as ISO27001, NIST, and CIS, with experience conducting audits and implementing controls. Solid grasp of Web APIs including SOAP, REST, and GraphQL, and their role in IAM integrations. Excellent communication, organisational, and stakeholder management skills, with the ability to work autonomously on complex projects. Team overview Cyber ...

Senior IAM Developer (One Identity)

Hiring Organisation
Sky
Location
Beckenham, Kent, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
with standards such as ISO27001, NIST, and CIS, with experience conducting audits and implementing controls. Solid grasp of Web APIs including SOAP, REST, and GraphQL, and their role in IAM integrations. Excellent communication, organisational, and stakeholder management skills, with the ability to work autonomously on complex projects. Team overview Cyber ...