76 to 100 of 107 GraphQL Jobs in London

broader customer data and identity stack. Strong grasp of client‐side integration nuances: mobile and web SDKs, push notification frameworks, webhooks, and REST or GraphQL APIs, including how they hold up under enterprise scale and multi‐region deployments. German language proficiency. Not required, but useful for DACH market conversations. Experience ...

deliver secure, data-driven solutions in a highly regulated environment. Tech Stack Frontend React TypeScript JavaScript (ES6+) HTML5 CSS3 Backend Exposure Node.js REST APIs GraphQL Nice to Have Next.js AI integrations (OpenAI, Azure AI, or similar) Essential Skills & Experience Strong commercial experience building enterprise-grade frontend applications using React Advanced … understanding of responsive design, modern UI development, HTML5, and CSS3 Experience developing reusable component libraries and scalable frontend architectures Proven experience integrating RESTful APIs, GraphQL services, and third-party platforms Experience with state management solutions such as Redux or Zustand Strong focus on application performance, accessibility, security, and user experience ...

self‐development and learning who keeps up to date with the latest Web/React trends and technologies. Experience with Kubernetes Experience with GraphQL Experience with Node.js Worked with GraphQL APIs Feature flagging/AB testing Appreciation/Exposure to React Native Knowledge of other JavaScript frameworks like Angular ...

platform and seeks engineers who own problems end to end. You'll work on a modern serverless stack with TypeScript, React, AWS, and GraphQL, shipping features that touch millions of patients through a national health system. We value raw horsepower, strong CS fundamentals, and the ability to move between frontend ...

devices. Join a fast‐growing, tech‐driven retail group and shape how millions interact with our ecosystem using React Native or Flutter, REST/GraphQL, and modern deployment #J-18808-Ljbffr ...

advantageous, but we are open to working with individuals with diverse backgrounds. Our frontend is primarily built using Typescript and React, making use of GraphQL APIs for seamless data retrieval. Our applications are deployed and run on Vercel for efficient performance. We welcome candidates who have experience with ...

world of digital entertainment, where cutting-edge tech and fresh ideas shape the technology landscape. London, United Kingdom Posted 11 months ago Tech stack GraphQL Data Science Artificial Intelligence Elasticsearch Node.js JavaScript Job Description Within a broader Data Science function engaged with advanced technologies like artificial intelligence, machine learning, Databricks ...

mobile apps that real users depend on. Strong with React Native or Flutter (native iOS/Android a plus). Experience integrating REST/GraphQL APIs, payments, maps, and real-time features. A feel for mobile UX and an eye for detail. Self-directed, curious, and comfortable owning whole features. ...

deployed cloud web applications, acting as the backbone of our software operations.### Key Responsibilities* Architecting, orchestrating, and meticulously deploying scalable RESTful and GraphQL APIs.* Implementing uncompromising enterprise-grade security, data protection measures, and encryption protocols.* Executing deep-level optimizations on database queries (SQL/NoSQL) to handle massive high-throughput ...

understands how their work contributes to broader team and organisational objectives. Key Responsibilities Design, develop, test, and maintain Back End services and REST/GraphQL APIs using Java/Spring Boot (or equivalent modern Back End stack). Contribute to system architecture and data model design in collaboration with senior … later), with working knowledge of Kotlin/Scala a plus Frameworks: Spring Boot, Spring MVC, Spring Security, Hibernate/JPA APIs: REST, GraphQL, OpenAPI/Swagger Databases: PostgreSQL, Oracle, MongoDB, Elasticsearch Messaging/Streaming: Kafka, RabbitMQ, event-driven architecture Testing: JUnit, Mockito, TDD/BDD, Cucumber Build & CI/ ...

Job Description Responsibilities Customer Delivery Lead: end‐to‐end solution development for multiple high‐stakes customer deployments; manage technical strategy, design quality, and roadmaps for Agentic AI rollouts at enterprise scale. Primary technical point of ...

deploy intelligent agent solutions that solve real business problems. You will collaborate with customers, design end-to-end pipelines, integrate with REST/GraphQL, and help shape AI strategy from concept to production. #J-18808-Ljbffr ...

Success to align plans and showcase value through demos and workshops. Ideal candidates have multi-year software engineering experience, deep API knowledge (REST/GraphQL), and comfort presenting to customers. #J-18808-Ljbffr ...

build scalable demo environments, codify repeatable playbooks, and hand off context to Customer Success. The role requires 5+ years in SaaS pre-sales, strong GraphQL and OAuth2 hands-on experience, and the #J-18808-Ljbffr ...

happy to put something out there when it’s ~70% done. Bonus points Experience in fintech or the payments industry. Familiarity with GraphQL and the Solana blockchain (or other blockchain technologies). An eye for smooth, delightful animations and UI polish. Not ticking every box? That’s totally okay ...

platforms and developer tooling. You’ll mentor a team of 5–7 engineers, drive shared infrastructure, and own production readiness across PHP, Go, and GraphQL services. You will align technical decisions with delivery timelines, quality, and security, while partnering with product, security, and business teams to improve engineering practices ...

experience as a Senior Engineer or multiple years in software engineering roles. Skills Full-Stack Fluency: Deep understanding of JavaScript/TypeScript, Node.js, React, GraphQL, and AWS (EKS, Lambda, RDS). API & Data Mastery: Skilled in building resilient APIs (REST/GraphQL) and managing backend. Responsibilities What you will … doing: Code That Matters: Design, build, and maintain robust full-stack solutions across our platform using TypeScript, AWS, GraphQL, and more. Own the Stack: From frontend to backend to infrastructure, you’ll take full ownership of the code you write. #J-18808-Ljbffr ...

focus on backend logic and APIs Working closely with senior engineers to turn requirements into shipped features Building and maintaining RESTful and/or GraphQL APIs and backend services Helping keep applications performant, secure, and accessible Getting stuck into code reviews as part of a collaborative team What … backend experience Solid experience with Next.js, React, and TypeScript Comfortable across the full stack, with a backend leaning Experience building RESTful and/or GraphQL APIs Understanding of SSR/SSG SQL and/or NoSQL database experience Some cloud exposure (AWS preferred) and Docker Solid grasp of web fundamentals ...

across wider digital transformation and automation initiatives internally. Key Areas: Building and supporting internal applications and integrations Developing secure API-led solutions (REST/GraphQL) Working across Azure PaaS services including Azure Functions & App Services Supporting modern integration approaches including API and event-driven solutions Contributing towards CI/… Supporting ongoing modernisation initiatives across the technology estate Technical Environment: PHP (v8+) Laravel/Symfony/Yii2 Azure PaaS Azure Functions REST APIs/GraphQL JavaScript/HTML/CSS MySQL/PostgreSQL Git/CI/CD Linux (CentOS/RedHat) Azure-native tooling and integrations The Ideal Background ...

We know that people want great value combined with an excellent experience from a bank they can trust, so we launched our digital bank, Chase UK, to revolutionize mobile banking with seamless journeys that our ...

languages and frameworks: JavaScript, React, TypeScript, Python, and GoLang. In addition, they'll also be looking for those with hands-on use in Neo4j, GraphQL, AWS, and Kubernetes. Demonstrating..." ``` #J-18808-Ljbffr ...

reliable pricing calculations and promotions management. Contribute to Kafka-based event-driven architectures for high-volume price publishing and promotional capabilities. Design and evolve GraphQL APIs ensuring consistency, performance, governance, and exceptional developer experience. Build resilient, low-latency solutions using MongoDB, Redis, PostgreSQL, and distributed data architectures. Own complex backend … capabilities that enable multiple teams and products. Strong understanding of distributed systems, event-driven architectures, and asynchronous messaging patterns. Designed API-first platforms with GraphQL and REST-based services. Comfortable working with high-volume transactional systems where reliability, performance, and resilience are critical. Core Competencies Demonstrates expertise in designing ...

multiple channels. Contribute to event-driven architectures using Kafka to support high-volume transactional workflows across Payments, Pricing, and Fulfilment domains. Design and evolve GraphQL and REST APIs, ensuring consistency, performance, scalability, and an excellent developer experience. Build resilient, low-latency solutions using distributed databases, caching technologies, and modern architectural … enable multiple teams and products. Solid understanding of distributed systems, event-driven architectures, and asynchronous messaging patterns. Must have designed API-first platforms with GraphQL and REST-based services. Comfortable working with high-volume transactional systems where reliability, performance, and resilience are critical. Core Competencies Demonstrates expertise in designing ...

TypeScript, alongside knowledge of the full Software Development Life Cycle (SDLC). Remuneration is competitive, ranging between £110K and £120K. A good understanding of GraphQL or Neo4j is a significant advantage. #J-18808-Ljbffr ...

regular 1:1s, own performance and growth conversations, and participate in hiring.### Skills Required* Backend Systems* Web Platform* Data Platform* C#* .NET* SQL* GraphQL* REST APIs* Reporting Systems* AI Systems* Agentic Systems* Technical Leadership* People Management* Distributed Systems* Cloud* Physical Data Centers* Petabyte-scale Data* Machine Learning* Advanced Visualizations* Interactive … data platform of meaningful scale. Experience with C#/.NET and SQL is a strong plus, though not required. Experience designing or building GraphQL and/or REST APIs is a plus. Experience with reporting or scheduled-reporting systems is a plus. Experience building AI or agentic systems ...