1 to 25 of 203 GraphQL Jobs in London

Node Developer

Hiring Organisation
Solirius Consulting
Location
London, United Kingdom
Salary
£ 80 K
error handling.Ability to write clean, efficient, and scalable code.Familiarity with CI/CD pipelines and DevOps practices is a plus.Experience with TypeScript.Familiarity with GraphQL or other modern data-fetching technologies.Experience in integrating message brokers (e.g., RabbitMQ, Kafka).Familiarity with cloud platforms like AWS, Azure, or Google Cloud.Knowledge of microservices architecture ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
APIs) 4+ years of production experience with modern Web stacks (TypeScript, React, Node.js, or Python/FastAPI). Strong API design experience (REST, GraphQL, gRPC, WebSocket) and relational/non-relational database design (PostgreSQL, SQLite). Systems & Mobile Architecture (Android ART) Proficiency in Kotlin or Java on native Android environments ...

FullStack Solution Architect (Exp in RFP/RFI) - London, UK - Fulltime - Hybrid

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
cloud platforms (AWS/Azure/GCP) and Familiarity with DevOps practices, CI/CD, containers (Docker/Kubernetes). Knowledge of APIs, microservices, GraphQL, and integration patterns. Good to have mobile architecture expertise (native iOS/Android, Flutter, React Native) Experience using AI-assisted development tools (e.g. GitHub Copilot ...

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

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 Fullstack Developer — Java or Kotlin, React and TypeScript

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
software engineering context.* Event-driven architecture and messaging or streaming technologies.* Experience with frameworks such as Spring Boot, Quarkus, Micronaut or Ktor.* GraphQL or comparable API technologies.* Cloud platforms such as AWS, Azure or GCP.* Containerisation and orchestration using Docker and Kubernetes.* NoSQL, caching or distributed data technologies.* Experience choosing ...

Senior Fullstack Developer — Java or Kotlin, React and TypeScript

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
software engineering context. Event-driven architecture and messaging or streaming technologies. Experience with frameworks such as Spring Boot, Quarkus, Micronaut or Ktor. GraphQL or comparable API technologies. Cloud platforms such as AWS, Azure or GCP. Containerisation and orchestration using Docker and Kubernetes. NoSQL, caching or distributed data technologies. Experience choosing ...

Principal Software Engineer

Hiring Organisation
Collinson Group
Location
London, United Kingdom
Salary
£ 80 K
most critical pillars in our Engineering organisation, our API platform, driving innovation across synchronous and asynchronous services built with REST, GraphQL, Kafka, and cloud-native technologies.You’ll work hands-on with modern engineering tools and practices, partnering with talented squads to solve complex distributed systems challenges at scale. From ...

Engineer C# (Full Stack)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
skills (SQL).* Excellent problem-solving, communication, and collaboration skills.Desired* Experience with microservices and event-driven architectures.* Experience with AI assisted design and coding.* GraphQL, and WebSockets.* Knowledge of observability tools (e.g., OpenTelemetry, Grafana).* Familiarity with Infrastructure as Code (Terraform).* Understanding of financial markets or trading systems.* Contribution ...

Senior Wordpress Developer

Hiring Organisation
Alban Recruitment Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £50,000 per annum
more of the following would be highly advantageous: React Node .js Python Laravel TypeScript Docker Linux server administration Cloud hosting platforms Headless WordPress GraphQL FastAPI or Express .js SQL optimisation AI and Emerging Technologies We’re looking for developers who are enthusiastic about the future of AI-assisted software development. ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Full Stack Engineer. 5+ years of relevant experience in coding in Typescript/JavaScript, using Node.js to architect and create REST and/or GraphQL APIs. Preferred experience working with eCommerce systems and platforms. Strong technical experience in modern front-end Typescript/JavaScript libraries and frameworks such as React.js. ...

Principal Technology Architect - LLMs, agentic coding systems, intelligent IDEs, AI

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
workflows where permitted; govern enterprise knowledge ingestion. Architecture & Integration Distributed systems, microservices, cloud‐native (Azure/AWS/GCP); secure API design (REST/GraphQL). MLOps & AIOps: CI/CD for AI, model lifecycle (eval, versioning, rollout/rollback), guardrails, telemetry, drift monitoring, prompt safety. DevSec & Responsible AI: Privacy ...

Forward Deployed Team Lead

Hiring Organisation
C3 IoT
Location
London, United Kingdom
Salary
£ 80 K
comfortable in both exec-level conversations and deep technical design sessions.Familiarity with enterprise data environments: cloud data warehouses (Snowflake, Databricks, BigQuery, Redshift), REST/GraphQL APIs, and common ERP or CRM platforms.Comfort with modern deployment practices: CI/CD, containerization (Docker/Kubernetes), cloud-native services, and infrastructure-as-code ...

Senior Forward Deployed Engineer

Hiring Organisation
Uniphore
Location
London, United Kingdom
Salary
£ 100 K
/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 ...

Principal Software Engineer - Java - Global Technology Asset Management

Hiring Organisation
JP Morgan Chase
Location
London, United Kingdom
Salary
£ 100 K
server-side languages and frameworks (e.g. Java/SpringBoot)Experience building solutions on at least one Cloud platform (e.g. AWS) using integration technologies (e.g. GraphQL, REST etc..) and NoSQL/SQL database technologies (e.g. PostgreSQL, TigerGraph etc..)Solid understanding of agile methodologies such as CI/CD, Applicant Resiliency ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
using AI effectively as part of the software development lifecycle. Highly Desirable Skills React Native Next.js Google Cloud Platform (GCP) Kubernetes Design Systems Storybook GraphQL Micro Frontends Performance optimisation and Core Web Vitals Accessibility (WCAG) Observability platforms and frontend monitoring Everyone is Welcome At Nando’s, everyone is welcome. Inspired ...

Senior Forward Deployed ML Engineer, Agents

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
500ms latency, natural conversation flow, turn detection, and interruption handling in real-time systems Integrate agents directly into customer codebases via REST/GraphQL/WebSocket APIs and custom SDKs (Python, TypeScript) Act as trusted technical advisor to customers, shaping AI strategy and guiding roadmap decisions from concept to production ...

Forward Deployed Solution Engineer - Applied AI FDE

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
design and implement AI‐native software in production environments Engineering depth: Strength in backend (Python, Node.js, Java), frontend (React, Angular), APIs (REST/GraphQL) LLM tooling: Familiarity with LangChain, Semantic Kernel, prompt chaining, vector search, and context management Performance & observability: Skilled in debugging distributed systems, tuning for latency, and implementing ...

Senior Software Engineer (Back End)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
metrics, tracing, logging) for distributed systems.* Experience with CI/CD pipelines, containerisation (Docker), and orchestration (Kubernetes/EKS).* Experience designing APIs (REST, GraphQL).* Knowledge of distributed messaging and caching technologies (e.g., Solace, Redis, or similar).* Understanding of FIX protocol and FIX message handling.* Hands-on experience ...

Forward Deployed Solution Engineer – Applied AI FDE

Hiring Organisation
ServiceNow
Location
London, United Kingdom
Salary
£ 80 K
design and implement AI-native software in production environments Engineering depth: Strength in backend (Python, Node.js, Java), frontend (React, Angular), APIs (REST/GraphQL) LLM tooling: Familiarity with LangChain, Semantic Kernel, prompt chaining, vector search, and context management Performance & observability: Skilled in debugging distributed systems, tuning for latency, and implementing ...

Senior Forward Deployed Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, 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 Staff Forward Deployed Engineer

Hiring Organisation
Uniphore
Location
London, United Kingdom
Salary
£ 100 K
deploying AI/ML or data-intensive applications in production Strong full-stack skills: Python, Node.js/Go, React/Vue, SQL, REST/GraphQL DevOps proficiency: Docker, Kubernetes, CI/CD, and major cloud platforms Expertise in LLMs, Prompt Engineering, Vector DBs, RAG pipelines, and Agentic orchestration frameworks Agentic ...

Senior Fullstack Developer

Hiring Organisation
Version 1
Location
London, United Kingdom
Salary
£ 80 K
design, build, and support of scalable and secure full-stack web applications using FastAPI. Experience in Unit Testing with Jest Experience with GraphQL with React for efficient data fetching and state management is preferred. Consume and integrate RESTful APIs to efficiently connect frontend applications with backend services. Work with business ...

Senior Software Engineer London, Greater London, England, United Kingdom

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
testing, while actively considering operational concerns such as observability, logging, and alerting throughout the development lifecycle Experience designing quality APIs such as REST, gRPC, GraphQL, and OpenAPI, and integrating with 3rd party APIs API security knowledge across OAuth2, SAML, JWT, and related standards Strong grounding in software engineering best practices ...

Senior Software Engineer (Back End)

Hiring Organisation
Liquidnet
Location
London, United Kingdom
Salary
£ 100 K
metrics, tracing, logging) for distributed systems. Experience with CI/CD pipelines, containerisation (Docker), and orchestration (Kubernetes/EKS). Experience designing APIs (REST, GraphQL). Knowledge of distributed messaging and caching technologies (e.g., Solace, Redis, or similar). Understanding of FIX protocol and FIX message handling. Hands-on experience ...

Software Developer | Market Making Technology

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
anticipate future challenges, ensuring operational effectiveness. * Skills and Experience: * * Essential: * Experience in C# .NET. Experience in at least one of JavaScript, Typescript, React, NodeJS, GraphQL, Docker. Experience of NoSQL or RDMS databases. Knowledge of modern CI/CD and DevOps practices. Experience working with AWS cloud services (e.g. ECS/ ...