1 to 25 of 58 GraphQL Jobs in London

Senior Web Developer

Hiring Organisation
Next Match AI
Location
London, UK
Employment Type
Full-time
implementation of complex front-end and full-stack features Architect and develop reusable components and a clear front-end structure Integrate with REST or GraphQL APIs and work with databases where needed Improve performance, security, and reliability across the platform Participate in code reviews and help define coding standards ...

Senior Software Engineer

Hiring Organisation
Build Circle
Location
London Area, United Kingdom
tooling and technology we are currently using: * .NET Core 3.1, Node.js, Python, Java/Kotlin * Kubernetes, Terraform, infrastructure-as-code * Typescript, React, Node, GraphQL, Apollo * AWS: Lambda, ECS, CloudFront, API Gateway, DynamoDB, Aurora, S3, SQS, SNS, Kinesis * Azure, Functions * Prometheus, Grafana, Cloudwatch for monitoring * "Elasticsearch, Logstash, Kibana" for logging * Azure ...

Senior Software Engineer

Hiring Organisation
Build Circle
Location
City of London, London, United Kingdom
tooling and technology we are currently using: * .NET Core 3.1, Node.js, Python, Java/Kotlin * Kubernetes, Terraform, infrastructure-as-code * Typescript, React, Node, GraphQL, Apollo * AWS: Lambda, ECS, CloudFront, API Gateway, DynamoDB, Aurora, S3, SQS, SNS, Kinesis * Azure, Functions * Prometheus, Grafana, Cloudwatch for monitoring * "Elasticsearch, Logstash, Kibana" for logging * Azure ...

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 ...

Senior Full Stack Software Developer

Hiring Organisation
Engineered Arts
Location
City of London, London, United Kingdom
writing unit-tested, maintainable, and scalable code. Understanding of CI/CD pipelines. Knowledge of database systems such as PostgreSQL and MySQL; interaction via GraphQL . Desirable: Experience building products with Large Language Models (LLMs) and integrating them into production environments. Experience developing in C++ and/or Rust Experience ...

Senior Full Stack Software Developer

Hiring Organisation
Engineered Arts
Location
London Area, United Kingdom
writing unit-tested, maintainable, and scalable code. Understanding of CI/CD pipelines. Knowledge of database systems such as PostgreSQL and MySQL; interaction via GraphQL . Desirable: Experience building products with Large Language Models (LLMs) and integrating them into production environments. Experience developing in C++ and/or Rust Experience ...

Mid-Level Full Stack Engineer | Audio Intelligence IoT Scale-up | Well Funded - Tech-for-good | TypeScript/Next.js/Node.js | £50K - £65K + Equity | Hybrid 3 Days LDN with Work From Anywhere Benefits

Hiring Organisation
Owen Thomas | Pending B CorpTM
Location
London, UK
Employment Type
Full-time
Stack TypeScript Next.js Node.js GCP AWS (ML) CI/CD with GitHub actions and workflows SQL (PostgreSQL, MySQL) NoSQL (MongoDB, Firestore, Redis) RESTful APIs - GraphQL Requirements for Mid-Level Full Stack Engineer | Audio Intelligence IoT Scale-up | Well Funded - Tech-for-good | TypeScript/Next.js/Node.js | £50K - £65K + ...

Staff React Engineer (TypeScript + AI Experience)

Hiring Organisation
Wizeline
Location
City of London, London, United Kingdom
management patterns (Redux, Zustand, or Recoil). Proficiency with testing frameworks (Jest, React Testing Library, Cypress) and performance profiling tools. Experience integrating RESTful and GraphQL APIs . Bachelor’s degree in Computer Science, Software Engineering, or related field. Advanced English level , both written and verbal. Excellent communication, leadership, and mentoring ...

Staff React Engineer (TypeScript + AI Experience)

Hiring Organisation
Wizeline
Location
London Area, United Kingdom
management patterns (Redux, Zustand, or Recoil). Proficiency with testing frameworks (Jest, React Testing Library, Cypress) and performance profiling tools. Experience integrating RESTful and GraphQL APIs . Bachelor’s degree in Computer Science, Software Engineering, or related field. Advanced English level , both written and verbal. Excellent communication, leadership, and mentoring ...

Software Engineer (Backend, AI Systems)

Hiring Organisation
Locai Labs
Location
City of London, London, 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 ...

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 ...

Frontend Developer

Hiring Organisation
Block MB
Location
Greater London, England, United Kingdom
bring Strong commercial experience with JavaScript (ES6+), Vue.js and modern front‐end tooling (Vite/Webpack, npm, Git). Confident with REST/GraphQL, browser performance and responsive UI. Passion for clean, maintainable code and good testing habits. Nice to have: TypeScript, Nuxt, Node.js, Storybook, CI/CD, Docker, Figma ...

Software Engineer II - Frontend Focus | 70-80k £ yearly + bonuses

Hiring Organisation
itMatch
Location
London, UK
Employment Type
Full-time
engineers release code to production every few days and we have a daily release cycle. Our web stack includes: Java, React, TypeScript, GraphQL, Kubernetes, SQL and NoSQL databases, and runs on AWS. You don't need to have experience with everything listed but you do need to be hungry ...

Software Engineer II - Frontend Focus | 70-80k £ yearly + bonuses

Hiring Organisation
itMatch
Location
South London, UK
Employment Type
Full-time
engineers release code to production every few days and we have a daily release cycle. Our web stack includes: Java, React, TypeScript, GraphQL, Kubernetes, SQL and NoSQL databases, and runs on AWS. You don't need to have experience with everything listed but you do need to be hungry ...

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 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 ...

Senior Software Engineer

Hiring Organisation
Tuza
Location
Greater London, England, United Kingdom
Continuously improve our engineering approach by actively engaging in retrospectives and contributing ideas to elevate the team. The Stack Our stack includes React, TypeScript, GraphQL, REST, Express, Relay, Prisma, Redis, Postgres, AWS and Styled Components. We like to experiment with different technologies and libraries, particularly when building proof of concepts. ...

Senior Customer Success Engineer

Hiring Organisation
Veracode
Location
London, UK
Employment Type
Full-time
/CD (AWS, Azure DevOps, GitHub, Jenkins, etc.) Experience writing scripts with Python, Postman, etc. to automate tasks via security tool APIs (REST & GraphQL) Familiarity with how .NET, Java, JavaScript programs are compiled and packaged. Hands-on experience with application security solutions (Veracode, Synopsys, Checkmarx, Snyk, etc.) and cloud security ...

Senior Customer Success Engineer

Hiring Organisation
Veracode
Location
South London, UK
Employment Type
Full-time
/CD (AWS, Azure DevOps, GitHub, Jenkins, etc.) Experience writing scripts with Python, Postman, etc. to automate tasks via security tool APIs (REST & GraphQL) Familiarity with how .NET, Java, JavaScript programs are compiled and packaged. Hands-on experience with application security solutions (Veracode, Synopsys, Checkmarx, Snyk, etc.) and cloud security ...

.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 ...

Senior Architect - API

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £110,000 per annum
Looking For Extensive experience in enterprise and solution architecture , ideally within large-scale, regulated environments. Proven track record designing API-centric solutions (REST, SOAP, GraphQL) and implementing event-driven patterns . Strong understanding of integration architectures , microservices , and services-based delivery models . Solid knowledge of Java, .NET ...

Site Reliability Engineer

Hiring Organisation
Global Fintech
Location
London Area, 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 ...

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 ...

Hybrid Senior QA Engineer

Hiring Organisation
Veridox
Location
London, UK
Employment Type
Full-time
Playwright with TypeScript/JavaScript. You must have experience building frameworks, not just running existing scripts. API Testing Mastery: Strong experience testing RESTful (or GraphQL) APIs. You don't just check for a 200 OK status; you validate the JSON payload structure, data types, and logic. The "Hybrid" Mindset: Demonstrated ...

Hybrid Senior QA Engineer

Hiring Organisation
Veridox
Location
South London, UK
Employment Type
Full-time
Playwright with TypeScript/JavaScript. You must have experience building frameworks, not just running existing scripts. API Testing Mastery: Strong experience testing RESTful (or GraphQL) APIs. You don't just check for a 200 OK status; you validate the JSON payload structure, data types, and logic. The "Hybrid" Mindset: Demonstrated ...