1 to 25 of 32 GraphQL Jobs in London

proficiency in Python, JavaScript/TypeScript, Java, or Go Experience with modern frameworks (React, Node.js, Django, FastAPI) Knowledge of microservices architecture, API design (REST, GraphQL) Experience with containerization (Docker, Kubernetes) and cloud-native development patterns DevOps & SRE Practices Experience implementing CI/CD pipelines and DevOps methodologies Knowledge of infrastructure ...

/day (Outside IR35) Contract Length: 6 Months Golang Developer - Role & Responsibilities Build APIs, services, and backend components using Go. Implement REST, gRPC, GraphQL, or event-driven systems. Write clean, idiomatic, and efficient Go code. Use Go's concurrency primitives (goroutines, channels) effectively. Optimize code for speed, memory efficiency ...

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 ...

proficient applied experience Ability to write testable, clean JavaScript code Proficiency in React framework Familiarity with writing unit tests Understanding of REST APIs and 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 ...

Proficiency and deep understanding of database structures, complex joins, query optimization, and data analysis Experience working with Microservices Experience working with REST, gRPC and GraphQL APIs (consumer and provider) Experience with unit and integration tests Happy in the Clouds. Our Cloud Native platform is hosted in AWS. ...

. ● 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 ...

Backend & Integration Engineering: Design, build, and scale backend services that power POS integrations across ERP, eCom, CRM, inventory, and loyalty platforms Develop REST and GraphQL APIs that are performant, secure, and easy to consume Implement real-time and batch data sync, authentication flows (OAuth, SSO), and secure event pipelines Architecture ...

strong background in relational database theory and excellent knowledge of Relational Databases (SQL Server/MYSQL/Oracle) Experience with communication protocols like GraphQL, GRPC Experience with asynchronous pub-sub message bus architectures such as RabbitMQ Kafka or equivalent Experience with C CLI Experience with Python ...

Looking For Extensive experience in enterprise and solution architecture , ideally within large-scale, regulated environments. Proven track record designing API-centric solutions (REST, SOAP, GraphQL) and implementing event-driven patterns . Strong understanding of integration architectures , microservices , and services-based delivery models . Solid knowledge of Java, .NET ...

DevOps, SRE, or related technical roles, ideally within financial technology environments. Strong technical expertise with Python, Unix, PostgreSQL, and familiarity with Kafka, CockroachDB, FastAPI, GraphQL, Snowflake, Redis, and QuestDB or equivalent technologies. Proven experience designing and implementing monitoring and alerting tools (DataDog, Grafana). Solid experience with AWS Cloud Infrastructure ...

consuming, and interacting with APIs. GitHub Ecosystem : Solid understanding of GitHub Enterprise features, best practices, and strong practical experience with: GitHub APIs (REST and GraphQL) GitHub Apps (building, deploying, managing) GitHub Actions (designing complex workflows, custom actions) GitHub Enterprise, Organization and Repository settings. Operations/Infrastructure Background: Proven experience ...

Event-Driven Systems, to design scalable solutions Collaborate effectively with product teams to gather requirements and constraints for designing appropriate systems Experience working with GraphQL, SQL, RESTful APIs and WebSockets Provide mentorship to other engineers while contributing to defining the technical culture Deep knowledge in one or more blockchain ecosystems ...

impactful solutions that meet the needs of our customers and stakeholders alike. Our Tech Stack The backend of our Zable app is Kotlin, AWS & GraphQL and the frontend is React Native with TypeScript, and NextJS. Across the rest of Lendable we also use PHP 8, Symfony, MySQL, PostgreSQL, RabbitMQ, Docker ...

/Vue ,andmodernfront-endbuildtools(Webpack,Vite,etc.). Experiencebuilding customShopifyapps using Node.js or RubyonRails . Familiaritywith Headless/Hydrogen/StorefrontAPI approaches. Provenexperiencewith ShopifyAPIs,GraphQL,andwebhooks . StrongunderstandingofecommerceprinciplesandUXbestpractices. Experienceleadingprojectsormentoringdevelopers. Excellentcommunicationandcollaborationskills. Mustbe basedintheUK withfullrighttowork. NicetoHave Experiencewith TypeScript . Familiaritywith headlessCMS platforms(e.g.Contentful,Sanity). Knowledgeof CI/CDpipelines andmodernDevOpsworkflows. Previousexperienceinan agencyenvironment ...

digital commerce or online retail environment, ideally supporting larger-scale transactional systems. Deep familiarity with Shopify Plus and its ecosystem, including REST and GraphQL APIs, webhooks, and custom integration development. Strong programming skills in at least one server-side language such as Node.JS, Python, C#, or PHP, with an emphasis ...

digital commerce or online retail environment, ideally supporting larger-scale transactional systems. Deep familiarity with Shopify Plus and its ecosystem, including REST and GraphQL APIs, webhooks, and custom integration development. Strong programming skills in at least one server-side language such as Node.JS, Python, C#, or PHP, with an emphasis ...

with standards such as ISO27001, NIST, and CIS, with experience conducting audits and implementing controls. Solid grasp of Web APIs including SOAP, REST, and GraphQL, and their role in IAM integrations. Excellent communication, organisational, and stakeholder management skills, with the ability to work autonomously on complex projects. Team overview Cyber ...

. Technical proficiency in Observe/Splunk queries, GitHub, SQL/BigQuery, web technologies (HTML, CSS), Protocol, DNS/Domains, SSL provisioning, RESTful APIs, GraphQL, and JSON/XML. Knowledge of Liquid and familiarity with development lifecycles and version control systems (git/Github). Experience with Bugsnag and Observe ...

individual with the ability to maintain, enhance, and deploy changes to our existing quoting application and backend APIs. This role will primarily involve using GraphQL & Go on the backend with some React with TypeScript on the frontend when required. The engineering team at UW is known for its high visibility ...

Qualifications 5–8 years in technical consulting, solutions engineering, or integration-focused project management. Strong command of APIs, webhooks, and data structures (JSON, REST, GraphQL) — able to design and troubleshoot integrations confidently. Even better if you have experience with MCP Servers. Hands-on experience with low-code orchestration tools (Zapier ...

company's approach to distributed data and developer experience. Day-to-day responsibilities include: Designing and implementing backend services in TypeScript using Node.js (REST, GraphQL, workers, event-driven consumers). Building and integrating services that interact with event-sourced or streaming systems. Creating clean, well-structured APIs and internal tools … Tech Stack & Skills Core skills: Expert-level TypeScript experience and strong proficiency with Node.js in production environments. Skilled in designing and implementing REST or GraphQL APIs, background workers, and microservices. Ability to work with SQL or NoSQL databases and understand how to model and query data effectively. Familiarity with distributed ...

TS. A self-critical approach to work quality and a drive to improve codebases and address technical debt. Practical experience integrating RESTful and or GraphQL APIs. Ability to design usable and maintainable API surfaces. Strong communication skills that support clear and effective collaboration across technical levels. Experience using and maintaining ...

TS. A self-critical approach to work quality and a drive to improve codebases and address technical debt. Practical experience integrating RESTful and or GraphQL APIs. Ability to design usable and maintainable API surfaces. Strong communication skills that support clear and effective collaboration across technical levels. Experience using and maintaining ...

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will ...

scalable backend logic (Node.js or equivalent) to support retail data flows, system integrations, and business rules Systems Integration & API Engineering: Integrate with REST and GraphQL APIs across commerce, ERP, payment, and inventory systems Build secure, observable services that handle real-time and asynchronous data exchange Work with mobile-first … React, TypeScript, and modern JavaScript (ES6+) Proficient backend development skills—Node.js preferred, but open to equivalent modern stacks Strong understanding of REST and GraphQL APIs, including authentication, caching, pagination, and error handling Experience designing and building retail or commerce workflows such as checkout, loyalty, or order sync Familiarity with headless ...