1 to 25 of 114 GraphQL Jobs in London

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 ...

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 ...

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
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 ...

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 ...

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 Corp™
Location
London Area, United Kingdom
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 + ...

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 Corp™
Location
City of London, London, United Kingdom
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 + ...

Chief Technology Officer / Co-Founder (Sweat Equity)

Hiring Organisation
Centre for the Future of Work
Location
Greater London, England, United Kingdom
modern stack) • React.js/Next.js • Vue.js or Svelte (optional) • HTML, CSS, Tailwind, TypeScript Backend • Node.js, Python, or Go • REST APIs and/or GraphQL • Authentication systems (OAuth, JWT) • Database design & management (SQL or NoSQL) AI & Machine Learning Experience with LLMs (OpenAI, Anthropic, Llama, etc.) Knowledge of: Fine-tuning or embedding ...

Python Developers Needed - DV/SC Cleared - Amazing Company

Hiring Organisation
Areti Group | B CorpTM
Location
London, UK
Employment Type
Full-time
Working On: Designing and building scalable backend systems using Python Collaborating on full-stack features with TypeScript and JavaScript Creating and integrating RESTful and GraphQL APIs Working with Docker, Kubernetes, and cloud infrastructure (AWS) Developing within a microservices architecture Solving complex problems in data flow, latency, and scale Contributing ...

🐍 Python Developers Wanted DV/SC Cleared

Hiring Organisation
Areti Group | B Corp™
Location
London Area, United Kingdom
Working On: Designing and building scalable backend systems using Python Collaborating on full-stack features with TypeScript and JavaScript Creating and integrating RESTful and GraphQL APIs Working with Docker, Kubernetes, and cloud infrastructure (AWS) Developing within a microservices architecture Solving complex problems in data flow, latency, and scale Contributing ...

🐍 Python Developers Wanted DV/SC Cleared

Hiring Organisation
Areti Group | B Corp™
Location
City of London, London, United Kingdom
Working On: Designing and building scalable backend systems using Python Collaborating on full-stack features with TypeScript and JavaScript Creating and integrating RESTful and GraphQL APIs Working with Docker, Kubernetes, and cloud infrastructure (AWS) Developing within a microservices architecture Solving complex problems in data flow, latency, and scale Contributing ...

Python Developers Needed - DV/SC Cleared - Amazing Company

Hiring Organisation
Areti Group | B Corp™
Location
City of London, London, United Kingdom
Working On: Designing and building scalable backend systems using Python Collaborating on full-stack features with TypeScript and JavaScript Creating and integrating RESTful and GraphQL APIs Working with Docker, Kubernetes, and cloud infrastructure (AWS) Developing within a microservices architecture Solving complex problems in data flow, latency, and scale Contributing ...

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 | Front End | London

Hiring Organisation
SGI
Location
London, UK
Employment Type
Full-time
week in the office. Highly competitive package + bonus + benefits What You'll Bring Strong experience with React, TypeScript, Redux, Apollo Client, and GraphQL/REST APIs. Experience working in a cloud-native environment (AWS or Azure). Familiarity with data streaming (WebSockets, chunked responses) and front-end performance ...

Software Engineer | Front End | London

Hiring Organisation
SGI
Location
City Of London, England, United Kingdom
week in the office. 💷Highly competitive package + bonus + benefits What You’ll Bring Strong experience with React, TypeScript, Redux, Apollo Client , and GraphQL/REST APIs . Experience working in a cloud-native environment ( AWS or Azure ). Familiarity with data streaming (WebSockets, chunked responses) and front ...

Lead Software Engineer

Hiring Organisation
Loop Recruitment
Location
London Area, United Kingdom
scalability. What You’ll Bring 🔥 Expert-level Python & Front End engineering skills — clean, scalable, production-grade code ⚙️ Strong experience building and designing APIs (REST, GraphQL, or gRPC) 🔧 Hands-on architectural depth — Microservices, distributed systems, event-driven patterns ☁️ Cloud expertise (AWS preferred) — Lambda, ECS, DynamoDB, SQS, SNS, API Gateway 🚀 Proven track ...

Lead Software Engineer

Hiring Organisation
Loop Recruitment
Location
City of London, London, United Kingdom
scalability. What You’ll Bring 🔥 Expert-level Python & Front End engineering skills — clean, scalable, production-grade code ⚙️ Strong experience building and designing APIs (REST, GraphQL, or gRPC) 🔧 Hands-on architectural depth — Microservices, distributed systems, event-driven patterns ☁️ Cloud expertise (AWS preferred) — Lambda, ECS, DynamoDB, SQS, SNS, API Gateway 🚀 Proven track ...

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 ...

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 ...

Principal Software Engineer

Hiring Organisation
SGI
Location
London, UK
Employment Type
Full-time
highly advantageous e.g. Investment banking, trading, asset management, etc. Deep knowledge of React, TypeScript, state management (e.g. Redux or similar), Apollo Client and GraphQL/REST APIs. Experience in cloud-native environments (AWS or Azure), and how front-end and backend services fit together in distributed systems. Strong understanding ...

Principal Software Engineer

Hiring Organisation
SGI
Location
City Of London, England, United Kingdom
highly advantageous e.g. Investment banking, trading, asset management, etc. Deep knowledge of React, TypeScript, state management (e.g. Redux or similar), Apollo Client and GraphQL/REST APIs . Experience in cloud-native environments (AWS or Azure), and how front-end and backend services fit together in distributed systems. Strong understanding ...

Back End Developer

Hiring Organisation
YEO Messaging
Location
City of London, London, United Kingdom
. ● Design, implement, and optimize SQL (PostgreSQL) and NoSQL (MongoDB) databases. ● Utilize Prisma ORM for efficient database interactions. ● Develop and optimize RESTful APIs and GraphQL APIs (Apollo) . ● Implement WebSockets for real-time communication. ● Ensure API security using JWT, OAuth , and other authentication mechanisms. ● Perform unit testing with Jest ...

Back End Developer

Hiring Organisation
YEO Messaging
Location
London Area, United Kingdom
. ● Design, implement, and optimize SQL (PostgreSQL) and NoSQL (MongoDB) databases. ● Utilize Prisma ORM for efficient database interactions. ● Develop and optimize RESTful APIs and GraphQL APIs (Apollo) . ● Implement WebSockets for real-time communication. ● Ensure API security using JWT, OAuth , and other authentication mechanisms. ● Perform unit testing with Jest ...

Full Stack Engineer | C#/.NET & React | London

Hiring Organisation
SGI
Location
City of London, London, United Kingdom
/CD principles and Agile/Scrum development practices. Excellent communication skills and a proactive, solution-focused mindset. Desirable extras: Experience with GraphQL , gRPC , Kafka , or Reactive Extensions (RX) . Exposure to the energy, commodities, or financial services sectors. This is an opportunity to contribute to an ambitious, data-driven ...