1 to 25 of 52 GraphQL Jobs in London

Sr. Software Engineer

Hiring Organisation
17918
Location
London, United Kingdom
understanding of HTML5, CSS3, and responsive design principles. Experience with Webpack, Module Federation, and other modern javascript build tools and bundlers.Familiarity with RESTful APIs, GraphQL, and integrating front-end applications with backend services. Knowledge of cross-browser compatibility, accessibility standards (WCAG), and web performance optimization.Experience with version control systems (e.g. ...

Full Stack Developer (Fully Remote) - React, Node.js

Hiring Organisation
Sanderson
Location
London Area, United Kingdom
deployment and containerization know-how (Docker, Kubernetes, Azure) SQL/NoSQL database experience (Postgres, MongoDB, Redis) Excellent communication, mentoring, and collaboration skills Bonus: Next.js, GraphQL, Storybook, Figma, accessibility standards, PWA/mobile, AI/ML integration, sports/wellness sector experience ...

Senior Forward Deployed Engineer

Hiring Organisation
Uniphore
Location
London Area, United Kingdom
/Vue) and DevOps experience (Docker, K8s, CI/CD). Expertise in building data pipelines and integrating with enterprise systems (REST, Python, SQL, GraphQL, Webhooks etc). Solid understanding of LLMs, Prompt engineering/tuning, Vector DBs (AstraDB, Pinecone, Weaviate etc), RAG pipelines (LlamaIndex, Haystack) and Agent/Workflow ...

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

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
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 ...

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 ...

Senior Software Engineer – AI / Agentic Systems

Hiring Organisation
MA (Montreal Associates)
Location
City of London, London, United Kingdom
scaling distributed systems or cloud-native platforms (AWS preferred) Experience delivering end-to-end solutions in production environments Technical Skills API development ( REST/GraphQL ) and third-party integrations Strong knowledge of databases (SQL & NoSQL) Experience with event-driven systems/messaging (Kafka, RabbitMQ, SQS, etc.) Solid understanding of system ...

Developer Golang

Hiring Organisation
CBTS
Location
London Area, 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 ...

Head of Software (ML & Web)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
embedded systems integration. Background or interest in scientific/biological domains. Our Tech Stack (Current & Planned) Frontend: React, TypeScript Backend: Node.js, Python, REST & GraphQL APIs Cloud & Infra: AWS (ECS, S3, Lambda), Docker, Cloudformation, Pulumi, CI/CD with GitHub Actions ML/AI: PyTorch, TensorFlow, scikit‐learn, MLflow for experiment ...

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 ...

Global IT GenAI Software Engineer Director - AI & Innovation

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
applications. Along with core Generative AI expertise, you will bring expertise in full backend development in technologies like python, typescript including REST, GraphQL etc. APIs development, core functional logic, performance, and stability of custom-built products. Conceptualize Generative AI custom products at BCG internally & operate as a technical thought partner ...

Principal Engineer

Hiring Organisation
La Fosse Associates Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Node.js/React environment) Solid knowledge of AWS (EKS, Lambda, Aurora RDS) Hands-on experience with Kubernetes in cloud-native environments Proven ability building GraphQL & REST APIs Experience with event-driven architectures (Kafka advantageous) Exposure to CI/CD pipelines (GitHub Actions preferred) Experience with monitoring tools (eg, DataDog) Strong ...

Full Stack Engineer

Hiring Organisation
Total Recruitment Group
Location
West London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
backend expertise in Typescript and Node and front capability in React Proficiency in SQL, Redux, cloud services (AWS or GCP), RESTful API design and GraphQL Strong analytical skills with the ability to design, optimise, and troubleshoot complex UIs Excellent communication and leadership skills; ability to mentor junior team members Other ...

Contract Senior Software Engineer (Java or Python)

Hiring Organisation
SoCode Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 650 - 700 Daily
evaluate AI-generated code for correctness, security, and financial accuracy Desirable, but no essential: Experience with Apache Airflow or similar workflow schedulers REST or GraphQL API design experience Knowledge of fixed income, FX, or derivatives products and associated P&L/risk methodologies ...

Contract Senior Software Engineer (Java or Python)

Hiring Organisation
SoCode Limited
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
evaluate AI-generated code for correctness, security, and financial accuracy Desirable, but no essential: Experience with Apache Airflow or similar workflow schedulers REST or GraphQL API design experience Knowledge of fixed income, FX, or derivatives products and associated P&L/risk methodologies ...

Full Stack Software Engineer (AI-Native) | React / Node.js | Remote

Hiring Organisation
Propel
Location
City of London, London, United Kingdom
output Strong understanding of clean code, architecture, and software fundamentals Interest in building scalable products with real-world impact Nice to Have Python, PostgreSQL, GraphQL, AWS or GCP Side projects, open-source contributions, or startup experience Interest in AI, automation, or enterprise software Location Remote across: United Kingdom No visa ...

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 ...

Software Engineer Middle/Back Office Asset Manager (Contract)

Hiring Organisation
Alexander Ash Consulting Limited
Location
Central London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £700 to £800 per day
Cursor, GitHub Copilot) with significant examples of delivery improvement AWS (S3, Lambda, EC2, Glue), Snowflake, Git, CI/CD, Datadog, MS SQL Server, REST, GraphQL, Airflow (as many as possible) Degree educated or higher in a relevant technical discipline from a leading university This is a £650-700/ ...

Front-End Engineer (React) : Trading : £120-180k plus excellent bonus : London

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
data, or real-time UI updates D3.js, charting libraries, or custom data visualisation Backend languages such as Python, C++, Java, or Go Familiarity with GraphQL, RESTful APIs, or event-driven systems Nice to Have (But Not Required) Exposure to financial markets, trading systems, or time-series data Experience working closely ...

Backend Engineer – C#, .Net, Azure | Payments Financial Services | £600/day outside IR35| Hybrid

Hiring Organisation
VirtueTech Recruitment Group
Location
City of London, London, United Kingdom
.Net, Azure, SQL You will need to have: Expert in the latest versions of .NET Framework and .NET Core (C#) Experience in API (REST, GraphQL) design and development Experience in relational database design and optimization (MSSQL, MySQL, etc.) Experience in the deployment and management of cloud (AWS, Azure, etc.) assets ...

Lead Fullstack Engineer

Hiring Organisation
Immersum
Location
London Area, United Kingdom
frontend framework (React, Vue, Next.js) Experience designing and delivering scalable, cloud-based systems (AWS, Azure or GCP) Strong understanding of API design (REST/GraphQL), databases and system architecture Experience with CI/CD, infrastructure as code (e.g. Terraform) and automated testing Ability to design for non-functional requirements (performance ...

Global IT GenAI Software Engineer Director - AI & Innovation

Hiring Organisation
17918
Location
London, United Kingdom
applications. Along with core Generative AI expertise, you will bring expertise in full backend development in technologies like python, typescript including REST, GraphQL etc. APIs development, core functional logic, performance, and stability of custom-built products. Conceptualize Generative AI custom products at BCG internally & operate as a technical thought partner ...

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 ...

Principal Engineer

Hiring Organisation
Formula
Location
City of London, London, United Kingdom
Infrastructure as Code, and automated testing Embedding AI-powered capabilities into engineering workflows Skills and requirements: TypeScript, Node.js, AWS (EKS, Lambda, Aurora RDS), Kubernetes, GraphQL, Kafka, Terraform, DataDog Salesforce or enterprise CRM experience is a strong advantage Contract details: IR35: Up to £650PD Outside IR35 Contract length: 3 months rolling ...

Python Developer

Hiring Organisation
Digisourced
Location
City of London, London, United Kingdom
Agile framework. Key Requirements: Languages/Frameworks: Python (Django, FastAPI, Flask). AWS Ecosystem: Lambda, S3, RDS, DynamoDB, VPC, Step Functions. API Design: RESTful, GraphQL, AppSync. IaC: Terraform or AWS CDK. CI/CD: GitLab Cloud, GitHub Actions, or AWS CodePipeline. Experience: Typically 10+ years of professional cloud engineering experience. ...