101 to 125 of 426 Permanent GraphQL Jobs

AWS Solution Architect

Location
Cambridge, England, United Kingdom
design critiques. Own and maintain technical roadmaps across multiple product domains. Define domain boundaries, bounded contexts, and inter-service communication contracts. Design RESTful, GraphQL, and gRPC APIs with a focus on backward compatibility and versioning. Set patterns for service resilience: circuit breakers, retries, bulkheads, and rate limiting. Establish observability standards ...

Senior Software Engineer

Location
City of Edinburgh, Scotland, United Kingdom
PostgreSQLExperience with CI/CDExperience with some of the following: TypeScript, JavaScript, Java, Go, RustExperience working in an agile development teamExperience with Solidity, DAMLReact, GraphQL, NodeJS, Express, Fastify, Spring Boot, Quarkus HarnessOCP, GCPEthereum, Canton, SolanaExperience working with distributed teams #J-18808-Ljbffr ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
understanding what needs to be built, to getting it into the hands of customers, to making sure it stays running. Our stack: AWS, MongoDB, GraphQL, React, TypeScript, Python, Terraform. We have strong DORA metrics, we pair program, we deliver value in small increments and observe change. The tooling and process ...

Lead Software Engineer - Frontend Engineering - React Native

Location
Greater London, England, United Kingdom
React framework & Building applications usingReact Nativein TypeScript or JavaScript Native application development across Android/iOS inKotlin/Swift Understanding of REST APIsand GraphQL Comfortable working with projects partially or fully usingTypeScript End to end testing applications withDetox/Appium/WebdriverIO/Playwright Extensive experience in modern web development ...

Full-Stack Engineer

Location
Cambridge, England, United Kingdom
Services. Go and Python are highly preferable. Experience in interfacing/designing web services with “Top-Down”/“Schema-First” approach. Having experience in GraphQL is a significant plus. Understanding of common Relational Database (e.g. MySQL). Experience in containerized development, CI/CD, and Kubernetes is a plus. ...

Full Stack Software Engineer

Location
Dundee, Scotland, United Kingdom
services and experiences that power customer engagement at scale. This is an exciting opportunity for a full stack engineer with experience in React, Node.js, GraphQL and modern database technologies who enjoys working across front-end experiences, backend systems and data flows to deliver high-quality products that create measurable business ...

Senior Software Engineer (Growth & Marketing Technology)

Location
Greater London, England, United Kingdom
metrics Our Tech Stack Below you can find a small reflection of our current tech stack: Frontend: React Native (iOS and Android) Typescript GraphQL (Apollo Client) Fastlane SwiftUI (Apple Watch) Maestro E2E tests Backend: Serverless (AWS) Lambdas (NodeJS & Python) AWS AppSync DynamoDB, S3, SQS, SNS, EventBridge, SageMaker Snowflake ...

Software Engineer III - React

Location
Greater London, England, United Kingdom
proficient applied experience Ability to write testable, clean JavaScript code Proficiency in React framework Familiarity with writing unit tests Understanding of REST APIsand GraphQL Ability to work in a dynamic, agile environment within a geographically distributed team Ability to focus on promptly addressing customer needs Excellent written and verbal communication ...

Senior Python Developer

Hiring Organisation
Tech 4
Location
City of London, London, United Kingdom
Employment Type
Permanent
using modern tooling to improve reliability and evolve architecture pragmatically. Strong system design fundamentals across scalability, performance, and distributed systems, including API design (REST, GraphQL). Hands-on experience with observability tooling (Datadog, Grafana, or similar) and a data-informed approach to system health and reliability. Solid SQL and data ...

Senior Frontend Engineer

Hiring Organisation
Hackajob Ltd
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent, Work From Home
React. Any further experience with Next.js/Angular/Vue.js is beneficial Experience with mobile development frameworks like React Native is beneficial. Experience with GraphQL, preferably using Apollo Client with React for efficient data fetching and state management. Experience in Unit Testing with Jest Continuous Integration experience (Docker) A passion ...

Full Stack Lead Engineer - App, Data & AI Engineering

Hiring Organisation
JP Morgan Chase
Location
Glasgow, UK
Employment Type
Full-time
contribute across the length and breadth of a projectProficiency in one or more of the following: Java/Spring Boot, Python/PySpark, GraphQL, or mobile development frameworks, with openness and aptitude to work across others as neededExperience with cloud platforms (preferably AWS) and working knowledge of both relational ...

Senior Software Engineer - Agentic Workflows

Hiring Organisation
Causaly
Location
London, UK
Employment Type
Full-time
expect experience with all of it, but you should be comfortable learning the parts you have not used. Languages: TypeScript, Node.js, PythonBackend: Apollo GraphQL, Zod, fp-ts, FastAPIFrontend: ReactWorkflow & messaging: Restate, Redis Streams, Cloud TasksData: PostgreSQL, Elasticsearch, Redis, MongoDBGenAI: LangGraph, OpenAIObservability: OpenTelemetry, Langfuse, DatadogCloud & infrastructure: Google Cloud, Azure, Kubernetes, Terraform ...

Senior Kotlin/JVM Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
here and if youd like to check our reviews out on Glassdoor you can see these here. Our Tech Stack Backend Kotlin 1.7.20 AWS GraphQL (it would be nice if you were familiar with this but its not a deal breaker) Postgres RabbitMQ Docker Kubernetes Frontend React & React Native, TypeScript ...

Senior Kotlin/JVM Engineer

Location
Westminster, West End, United Kingdom
here and if youd like to check our reviews out on Glassdoor you can see these here. Our Tech Stack Backend Kotlin 1.7.20 AWS GraphQL (it would be nice if you were familiar with this but its not a deal breaker) Postgres RabbitMQ Docker Kubernetes Frontend React & React Native, TypeScript ...

Senior ML Software Developer (Brahma AI - A DNEG Dedicated Unit of Brahma)

Hiring Organisation
DNEG
Location
London, UK
Employment Type
Full-time
tooling and ML integration), C++17 (performance-critical components), TypeScript/JavaScript (web UIs).Web front-end: React (or Vue), modern build tooling, REST/GraphQL clients. Services: FastAPI/Flask, gRPC/containerized on Linux. Build/packaging: CMake; setuptools/pip/poetry; RPM/deb where appropriate. ...

Sr. Software Engineer, Cloud Platform (Hybrid, London)

Location
Greater London, England, United Kingdom
Tech Stack: Cloud Platforms: AWS, GCP Observability: LogScale (Humio), Grafana Infrastructure: Kubernetes, Kafka Programming: Golang (APIs), Python Data: PostgreSQL, Cassandra, OpenSearch Integration: REST, GraphQL, OAuth, JSON What You’ll Do: Design and implement platform features that support marketplace integrations using our Foundry platform Lead technical implementations from concept through deployment ...

Principal Software Engineer

Hiring Organisation
Epicor Software Corporation
Location
Bracknell, Berkshire, UK
Employment Type
Full-time
experienced architects, product managers, UX designers, and AI specialists to solve challenging technical problems with real customer impact. Technology: C#/.NETPythonAzureTypeScript/JavaScriptREST & GraphQL APIsRelational & document databasesGitHub with CI/CD pipelinesLLM APIsAI-assisted development tools#LI-AJ1#LI-HYBRIDAbout Epicor At Epicor, we're truly a team. Join ...

Senior Quality Engineer (mobile)

Location
Greater London, England, United Kingdom
contract testing experience, with a point of view on test data and environment strategy. OUR TECH STACK Mobile: TypeScript, React Native, Expo, EAS, GraphQL, Relay, Jest, React Testing Library, Maestro. Backend: Kotlin, PHP 8 (Symfony), AWS, Postgres, RabbitMQ, Docker, Kubernetes. Tooling and observability: GitHub, GitHub Actions, Jira, Confluence, Datadog, Sentry ...

Senior Mobile Solution Lead (iOS and Android) - London, UK

Location
Greater London, England, United Kingdom
with the ability to advise when native, cross-platform or hybrid strategies are appropriate.Experience designing API-led and cloud-enabled mobile ecosystems, including REST, GraphQL, microservices, event-driven integration and mobile backend services.Deep understanding of mobile security, including OAuth 2.0/OpenID Connect, encryption, certificate pinning, secure storage, threat modelling ...

Senior Application Security Engineer

Hiring Organisation
Cloudsmith
Location
Belfast, UK
Employment Type
Full-time
ownership-driven AI is useful. Deep web and API security knowledge: OWASP Top 10, business logic flaws, authn/authz design, token handling, REST, GraphQL, and multi-tenant access control. Practical threat modeling and vulnerability research experience against real applications, APIs, cloud-native systems, and distributed services. Strong cloud-native ...

Senior Product Engineer (AI & Full Stack)

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
London, United Kingdom
Employment Type
Permanent
Salary
£75,000
backend APIs and services using Node.js and TypeScript . Design secure integrations with third-party platforms and enterprise systems. Build and consume RESTful and GraphQL APIs. Implement authentication and identity solutions using OAuth, OpenID Connect and modern security standards. Work directly with customers during pilot implementations and technical discovery sessions. … Microservices Event-Driven Architecture CI/CD Infrastructure as Code Accessibility (WCAG) Learning technology integrations (LTI, SCORM or xAPI) Technology Stack React TypeScript Node.js GraphQL REST APIs OAuth 2.0 OpenID Connect (OIDC) AWS/Azure Docker Git CI/CD AI-assisted Development Tools (GitHub Copilot, Claude Code, Cursor) Large ...

Full Stack Software Engineer - Typescript, React, Node, Go

Hiring Organisation
Intellectual Capital Resources
Location
Cambridge, Cambridgeshire, UK
Employment Type
Full-time
developing Backend Services. with Node or Go/Python Interfacing/designing web services with "Top-Down"/"Schema-First" approach. Having experience in GraphQL is a significant plus Understanding of common Relational Database (e.g. MySQL) Experience in containerized development, CI/CD, and Kubernetes is a plus A good ...

Software Engineer III - Fullstack Java

Location
Glasgow, Scotland, United Kingdom
software engineering concepts and advanced applied experience Strong hands-on experience with Java Experience with data distribution and consumption using event, Kafka streaming, API (GraphQL and REST), and bulk methods Practical experience in public cloud solutions, AWS, with knowledge of mesh data distribution using Snowflake and Starburst compute engines Hands ...

Principal Engineer

Hiring Organisation
Formula Recruitment Limited
Location
London, UK
Employment Type
Full-time
into everyday engineering workflows~Key Requirements: A strong track record delivering large-scale distributed systems in cloud environmentsDeep knowledge of API design - REST and GraphQL, and substantial hands-on experience with Kafka in a production environmentSolid cloud platform experience, particularly AWS, and comfort with containerised infrastructureProficiency in TypeScript across ...

AI Solutions Architect - up to 120K+Benefits - Hybrid/London

Hiring Organisation
Involved Solutions
Location
London, UK
Employment Type
Full-time
assisted development tools Strong knowledge of cloud AI and ML platforms and associated architecture patterns Experience designing and managing APIs including REST and GraphQL Strong understanding of microservices and serverless architectures Practical experience with DevOps and MLOps practices including CI/CD pipelines Knowledge of security frameworks, identity management ...