1 to 25 of 55 GraphQL Jobs in London

modern frameworks (Spring, .NET, Django, FastAPI, Rails, Express/NestJS, Laravel, React, Vue, Next.js, Angular or equivalent) Solid grounding in REST and/or GraphQL API design Working knowledge of relational and NoSQL databases—query design, indexing, schema modelling Familiarity with containerisation (Docker) and orchestration concepts (Kubernetes basics) Cloud platform ...

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 ...

attribution, settlement, confirmations and regulatory reporting. Expert understanding of integration architecture in high-performance trading environments including messaging (JMS, MQ, Kafka), API design (REST, GraphQL, gRPC), event-driven patterns, ETL/ELT, real-time market data connectivity and STP workflows. Strong data architecture expertise, including canonical data models, data mesh ...

while gaining exposure to cutting-edge AWS architecture and engineering best practices. Key Skills: TypeScript React, Redux, React Query HTML5, CSS3, Tailwind REST APIs, GraphQL, WebSockets AWS (Lambda, Fargate, API Gateway, AppSync) Terraform, CI/CD, Containerisation SQL & NoSQL databases Git and automated testing Experience Required: Commercial experience ...

with DevOps tools such as Terraform, Jenkins, and GitHub Actions. Proficiency in modern Spring, Spring Boot, as well as Kubernetes and Docker. Experience in GraphQL - Knowledge of the latest (and anticipated) Java features. Experience leading incident response and implementing preventative measures. Knowledgeable in best practices for production support and adept ...

important). Solid understanding of backend fundamentals: concurrency, data modelling, transactions, reliability, and observability. Experience designing and consuming APIs (REST/gRPC/GraphQL) and integrating with other services and data stores. Strong testing mindset and familiarity with CI/CD workflows. Clear communication skills and a collaborative approach ...

modern technologies to design and implement scalable, secure, and high-performing cloud-native solutions. API Development and Integration: Design and build secure RESTful and GraphQL APIs, ensuring seamless integration with core banking systems (e.g., Mambu) and external services like Open Banking platforms. Data Engineering and Analytics: Work closely with data ...

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 ...

development practices, with a focus on performance optimisation, scalability, and application stability. SQL - Proven experience writing and optimising SQL queries within production environments. GraphQL, tRPC and REST APIs - Solid understanding of API design principles and experience working with multiple communication patterns between applications, services, and microservices. Company UK's market ...

development practices, with a focus on performance optimisation, scalability, and application stability. SQL - Proven experience writing and optimising SQL queries within production environments. GraphQL, tRPC and REST APIs - Solid understanding of API design principles and experience working with multiple communication patterns between applications, services, and microservices. Company UK's market ...

Spring Boot 3+. Commit to testing, including writing and maintaining unit tests, using mocking frameworks and applying test-driven development. Build REST and GraphQL APIs. Work with cloud platforms, preferably AWS. Use RDBMS and ORM frameworks in practice. Apply OOP fundamentals and event-driven architecture. Appreciate the importance of Continuous ...

leadership role managing a product security or AppSec team. Deep understanding of modern application security: OWASP Top 10, API security (REST, gRPC, GraphQL), microservices security, container security, and secure coding practices. Proven experience building and running a security champions programme in an agile engineering organisation. Hands‐on experience with SAST ...

security: designing, integrating, and securing API connections between AI platforms and business applications (e.g., CRM, ERP, data warehouses), with knowledge of protocols (REST, GraphQL) and authentication mechanisms (OAuth 2.0, API keys). Data and network architecture acumen – ability to discuss and propose solutions around data governance, network segmentation, and enterprise ...

middleware. Headless CMS Experience : Experience integrating with headless CMS platforms such as Directus, Contentful, Strapi, Sanity or similar. API Integration : Confidence working with GraphQL and/or RESTful APIs. Quality Focus : A strong testing discipline, including unit, integration and end-to-end testing. Leadership & Mentoring : Experience leading or mentoring other ...

access a customer’s BigQuery instance in order to create a materialized view. What You’ll Need Technical Expertise Comfortable working with APIs (REST, GraphQL). Able to interpret API documentation, authenticate requests, issue API calls, and process/store resulting payloads. Familiarity with tools like Postman for API testing ...

Stack We share our tech stack with the caveat that we don’t require previous experience in it: TypeScript (frontend & backend), Node.js, React, Apollo GraphQL, Postgres, Redis. We use Datadog and Sentry on 100% cloud-based (AWS) infra. We take developer experience and reliability seriously: all engineers are on call ...

build modern, scalable web applications, with some backend/API work. Tech & Skills JavaScript/TypeScript, React/Angular/Vue Node.js, REST/GraphQL APIs HTML, CSS, responsive & accessible design Testing (Jest/Cypress), CI/CD, Git Experience integrating APIs (AI exposure a bonus) Responsibilities Build high-quality ...

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 ...

proficiency in Python and SQL. Experience with graph query languages such as SPARQL and Cypher. Hands-on experience with graph databases and frameworks (Neo4j, GraphQL, RDF, or similar). Experience working with cloud platforms such as AWS and/or Azure. Strong data modelling, analytical, and problem-solving skills. Excellent ...

also considered Serverless and edge infrastructure AI workload deployment and optimisation CI/CD pipelines and Infrastructure as Code Additional Technical Experience REST and GraphQL APIs Microservices and MACH architectures CMS, DXPs and MarTech ecosystems QUALITIES AND CHARACTERISTICS Must come from a strong engineering or development background with deep frontend ...

with React Experience working in an agile scrum development model University degree (Bachelor or Master) in Computer Science or Maths Desirable Skills: Experience in GraphQL or gRPC Experience in Reactive Extensions (RX) Previous experience in the commodities or finance industry (hedge fund, investment banking, private banking, fintech ...

backend or full‐stack engineering experience, with strong TypeScript/JavaScript and Node.js skills. Experience designing versioned APIs (REST/OpenAPI and/or GraphQL with schema governance). Experience working in platform or infrastructure engineering roles — comfortable with work whose primary customer is other engineers. Ability to navigate ambiguity ...

Senior Fullstack Developer l React Native l Typescript l AWS serverless l end to end features l GraphQL l £550 per day l Outside IR35 l three days a week in London l 6 months We're hiring a Senior Fullstack Developer to join a high-performing team shipping fast ...

Sales, or similar role at a high‐growth SaaS company, with experience supporting enterprise‐scale deals. Strong hands‐on experience with OAuth2 and GraphQL, data migrations, and product integrations. Excellent communication skills—able to present complex technical concepts clearly to both engineers and executives. Experience with GitHub and git; Linear ...

comprehensive help articles. The team is based across London, Lisbon and Prague. Skills : React.js, Next.js, Unit testing, Agile, Typescript, Jenkins, Concource CI, TDD, Node.js, GraphQL, Microsoft Playwirght All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able ...