1 to 25 of 47 GraphQL Jobs in London

Sr. Software Engineer

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

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 ...

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 ...

Specialised Engineer HCL Commerce

Hiring Organisation
Vallum Associates Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
releases, rollbacks, and platform improvements Essential Skills & Experience Strong hands-on experience with HCL Commerce/IBM WebSphere Commerce architecture Proficiency in Java, J2EE, GraphQL, and RESTful APIs Experience with Spring/Spring Boot backend development Strong knowledge of relational databases, particularly Oracle Experience with tools such as Eclipse ...

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
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 ...

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 ...

Contract Senior Software Engineer (Java or Python)

Hiring Organisation
SoCode Recruitment
Location
City of London, London, United Kingdom
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 ...

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/ ...

UK | Data Engineer ECO L3

Hiring Organisation
Brookwood Recruitment Ltd
Location
London Area, United Kingdom
Lambda Aurora RDS PostgreSQL EKS ECR STS Route 53 VPC Additional Technologies Kubernetes GitHub/Jenkins CI/CD Prometheus & Grafana ELK Stack Apollo GraphQL TypeScript Security & Monitoring AWS Config AWS Macie AWS GuardDuty AWS Security Hub Amazon CloudWatch Amazon CloudTrail Please apply should you meet the requirements. ...

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

Hiring Organisation
Hunter Bond
Location
London, UK
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 ...

Software Engineer (Full-Stack) - React/ TypeScript/ AWS/ Node - HR Platform - Remote with once a month meetups in London - £75,000

Hiring Organisation
La Fosse
Location
Central London / West End, London, United Kingdom
across your team Promoting our work to the wider technology industry — giving great exposure to you and your craft Tech stack React · TypeScript · Node.js · GraphQL · MySQL · Vite/Vitest · AWS · GitHub Actions · Terraform · Serverless functions · Monorepo architectures · NPM Production experience with some or all of the above is ideal What ...

Senior Data Engineer

Hiring Organisation
Tiro Partners Limited
Location
City of London, Greater London, UK
with Dagster or similar orchestration platforms. Familiarity with CI/CD pipelines and tools such as GitHub Actions. Knowledge of REST and/or GraphQL APIs. Experience working in Linux environments. Familiarity with Docker and Kubernetes. Understanding of Test-Driven Development (TDD), PyTest, and software design patterns. ...

Lead Fullstack Engineer

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

Principal Engineer

Hiring Organisation
Formula
Location
London Area, 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 ...

Engineering Manager

Hiring Organisation
Formula
Location
City of London, London, United Kingdom
years of experience in engineering leadership or a closely related technical role. Hands-on experience with a modern, cloud-native tech stack: Go, gRPC, GraphQL, Postgres, Kafka, Docker & Kubernetes. Experience with CI/CD tooling (GitHub Actions, ArgoCD), Terraform, and cloud infrastructure. Strong ability to set team goals, drive prioritisation ...

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 ...

Staff Platform Engineer

Hiring Organisation
Natcap
Location
City of London, London, United Kingdom
comfortable operating in a modern cloud-native engineering environment. Our current stack includes: AWS as our primary cloud platform. Python and JavaScript applications. GraphQL APIs. PostgreSQL on RDS. CI/CD with GitHub Actions. Data processing pipelines using Argo Workflows and Metaflow. Event-driven patterns using SQS. Infrastructure as Code ...

IT Integration Developer

Hiring Organisation
Profectus Recruitment
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum, Inc benefits
Services including Logic Apps, Azure Functions and API Management • Create event driven integration patterns and data flows between multiple systems • Work with REST and GraphQL APIs alongside modern authentication technologies including OAuth2, OpenID Connect and SAML • Ensure secure by design principles are embedded throughout all integration architecture • Produce and maintain ...

Product Engineer

Hiring Organisation
WireMock
Location
City Of London, England, United Kingdom
particular. Experience managing cloud infrastructure via configuration-as-code. Front end development experience - HTML, CSS and Javascript. Experience with gRPC, GraphQL or websockets development. Please only direct candidates, no recruiters. ...