1 to 25 of 33 GraphQL Jobs in London

Senior Back End Developer

Hiring Organisation
KodeLab
Location
London Area, United Kingdom
Nest.js, Express.js, or FastAPI . Database Mastery – Strong SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis) expertise. API Development & Security – Experience in building RESTful & GraphQL APIs , JWT authentication, OAuth, and cryptographic security. Scalability & Optimization Skills – Ability to optimize database queries, caching strategies, and event-driven architectures (Kafka, RabbitMQ) . Cloud & DevOps ...

Senior Java Engineer (AWS, REST, SOAP) - Hybrid - Sussex

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £700 per day
engineering organisation. Key Responsibilities Design, develop, and maintain high-quality Java applications using Spring Boot. Build and optimise RESTful APIs and contribute to GraphQL service development. Develop cloud-native solutions using AWS services such as Lambda, API Gateway, DynamoDB, ECS, S3, and others. Contribute to microservices architecture, event-driven systems ...

Senior Full Stack Engineer

Hiring Organisation
Trust In SODA
Location
City of London, London, United Kingdom
backend. What You Bring to the Table React Node/TypeScript/JavaScript Cloud: AWS, Azure, or GCP. APIs: API design and integration (REST & GraphQL). AI Tooling: Confident using AI-boosted environments to ensure quality (Claude or similar). The Cherry on Top If you’ve dabbled in Infrastructure ...

Lead Developer AI

Hiring Organisation
Datatech Analytics
Location
London, United Kingdom
Employment Type
Permanent
Tech environment - Not set in Stone Frontend: React, Next.js, TypeScript (or similar) Backend: Node.js (Express, NestJS) or Python (FastAPI, Django) (or similar) APIs: REST, GraphQL (or similar) Databases: PostgreSQL, MongoDB (or similar) AI/Data: Experience integrating AI/ML features via APIs (e.g. OpenAI, Anthropic or similar) Exposure ...

Full Stack Technical Lead II Index Modernisation UK

Hiring Organisation
Robert Walters
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
GitHub), with exposure to modern Front End frameworks such as React or Angular Experience designing and consuming API-driven systems (REST and/or GraphQL) Proven ability to lead technical design, define coding standards, and perform high-quality code reviews Strong track record of translating business requirements into clear technical ...

Developer Golang

Hiring Organisation
CBTS
Location
City of London, London, 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 ...

Back End Engineer

Hiring Organisation
Zuma Labs
Location
Greater London, England, United Kingdom
without prior trading/finance experience. Experience with writing unit and integration tests and maintaining CI/CD pipelines. Preferred Qualifications & Experience Experience with GraphQL or REST API development. Knowledge of asynchronous programming, message queues, or real-time streaming architectures. Familiarity with cloud platforms (AWS, GCP, Azure) and container orchestration ...

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 ...

Senior Software Engineer

Hiring Organisation
Burns Sheehan
Location
City of London, London, United Kingdom
week in London 🌍 Perks: Remote working, £1k annual flexible benefit, 30 days "work from abroad" p/a 🛠 Tech Stack: Python, FastAPI, gRPC, GraphQL, AWS (EKS), Microservices The Mission 🎯 This scale-up is transforming the insurance landscape through real-time data and telematics. By leveraging smart technology, they reward safe ...

Senior Full Stack Software Engineer

Hiring Organisation
Octopus Energy Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
product and engineering team building the systems that power our ability to revolutionize the electric car leasing industry. Our tech stack is Python with GraphQL, React with , PostgreSQL and noSQL databases, running on AWS. What you'll do... Work within a dedicated cross-functional team on key products ...

Senior Frontend Developer

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
London Area, United Kingdom
optimisation, SEO principles, and rendering approaches (SSR/SSG) Experience building static sites and working within headless architectures Comfortable working with APIs (REST/GraphQL) and Headless CMS platforms Proficient with TailwindCSS or similar styling approaches Familiar with modern tooling, Git workflows, and component-driven development Exposure to AI-assisted ...

Staff Engineer

Hiring Organisation
Inara
Location
City of London, London, United Kingdom
video) What they’re looking for: Strong Staff/Principal level engineering experience Deep expertise across but not limited too: JavaScript, React.js, Node.js, TypeScript, GraphQL, AWS, Docker, CI/CD Experience working in startup/scale-up environments Comfortable operating with ambiguity and pace Able to challenge founders, shape direction ...

Frontend Engineer

Hiring Organisation
Zuma Labs
Location
Greater London, England, United Kingdom
supporting infrastructure: git, microservices, containers, etc. Comfortable working with numbers and data, with or without prior trading/finance experience. Preferred Qualifications & Experience GraphQL/Apollo Client. Experience building Single Page Applications (SPAs). Reactive mobile UI development experience. Experience with Material UI or similar component libraries. Familiarity with WebSockets ...

Engineering Manager

Hiring Organisation
Hirewell
Location
City of London, London, United Kingdom
projects simultaneously. "Even Better" If You Have... Experience with CI/CD with an emphasis on a well-maintained testing pyramid. Experience with Federated GraphQL , Kafka , or other event-driven architectures. Experience with Protobuf and gRPC for defining service interfaces and efficiently serializing structured data. Experience with NoSQL data stores ...

React Native developer

Hiring Organisation
IBU CONSULTING LTD
Location
London, United Kingdom
Employment Type
Permanent
Query Apollo Client Testing Jest React Native Testing Library strong requirement many test files UI Styled Components 6, Reanimated, Gesture Handler, Lottie, Skia APIs GraphQL with codegen, REST with React Query Thirdparty Sentry, NewRelic, Optimizely, Braze, Auth0, Contentful Agile Work Experience ...

Backend Engineer (Lead & Senior)

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
London Area, United Kingdom
105k | Lead - up to 125k Location : East/Central London (x4 days per week onsite) Tech stack includes : NodeJS, TypeScript, React, PostgreSQL, GraphQL, AWS, GitHub Actions, Pulumi. Current team size : x2 Engineers (plan is to grow to 4 in total) We're working with a profitable Tech4Good startup company, their ...

Kotlin Engineer

Hiring Organisation
Ncounter
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £100,000 per annum
/11) with a desire to transition • 7+ years working across JVM-based backend development • Strong experience with Spring Boot and building RESTful or GraphQL services • Solid understanding of relational databases such as PostgreSQL or MySQL • Experience working within BDD or TDD environments, alongside CI/CD tooling such ...

Software Engineer | Greenfield Energy Trading - Front Office | London Hybrid | Up to £130k + Bonus

Hiring Organisation
VirtueTech Recruitment Group
Location
City of London, London, United Kingdom
benefits (depending on experience) 📍Located in London City, St Paul's, with 3 days per week from the office 🧑Node.js (and C# potentially), Typescript, GraphQL, React.js (bonus) Responsibilities of the Backend Developer: Designing, coding, and testing all components of modern web applications. Contribute to the overall architecture and design ...

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 ...

Data Engineer

Hiring Organisation
Method Resourcing
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £525 per day
ensure smooth knowledge transfer Must-Have Skills Strong Terraform Deep AWS serverless experience Python for production workloads Solid DynamoDB knowledge Nice to Have GraphQL/AppSync Node.js or Python API background Cognito or similar auth experience Contract Details 3 months contract with the view of going permanent thereafter once ...

Engineering Manager - 12 Month FTC

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, London, United Kingdom
Employment Type
Temporary
Salary
£70,000
Technical skills Youre an experienced Fullstack developer with exceptional proficiency in PHP-based CMSes, such as Drupal, and Frontend technologies, including React/Next.js, GraphQL and Storybook You are comfortable working with both monolithic and decoupled architectures You are familiar with the component based approach to build and deliver projects ...

Full Stack NextJS Developer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £110,000 per annum
genuinely influence both the technical direction and engineering culture. Responsibilities: Building production-grade applications using Next.js, React & TypeScript Designing and developing APIs (REST/GraphQL) Working across the full stack – frontend, backend, and cloud Owning features end-to-end (design build deploy) Contributing to architecture and best practices Collaborating closely … Strong Next.js/React/TypeScript background Experience building scalable web applications Solid understanding of SSR, SSG & frontend performance API development experience (REST or GraphQL) Cloud exposure (AWS preferred) + Docker Strong fundamentals (HTTP, DNS, etc.) Experience Leading Software Engineering teams Bonus points for: Go or C# backend experience Microservices ...

Full Stack NextJS Developer

Hiring Organisation
Intec Select Limited
Location
London, UK
genuinely influence both the technical direction and engineering culture.Responsibilities: Building production-grade applications using Next.js, React & TypeScript Designing and developing APIs (REST/GraphQL) Working across the full stack – frontend, backend, and cloud Owning features end-to-end (design build deploy) Contributing to architecture and best practices Collaborating closely with … xehkeey js/React/TypeScript background Experience building scalable web applications Solid understanding of SSR, SSG & frontend performance API development experience (REST or GraphQL) Cloud exposure (AWS preferred) + Docker Strong fundamentals ( DNS, etc.) Experience Leading Software Engineering teams Bonus points for: Go or C# backend experience Microservices/ ...

Full Stack Engineer /Software Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£60.00 - £80.00 per hour
The Opportunity Our client is recruiting for a high-impact Frontend Specialist to join the Fintech & Compliance division of a global leader in the travel-commerce and e-commerce space. In this role, you aren ...

Full Stack Engineer /Software Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£60 - £80/hour Negotiable
The Opportunity Our client is recruiting for a high-impact Frontend Specialist to join the Fintech & Compliance division of a global leader in the travel-commerce and e-commerce space. In this role, you aren ...