23 of 23 DemandTrendPermanent GraphQL Jobs in London

Work on both frontend (React) and backend (Node.js, Go) components Improve DevOps practices, CI/CD pipelines, and cloud infrastructure (AWS) Contribute to intuitive user interfaces and robust APIs (GraphQL, REST, gRPC) Help drive integration with LLMs and hybrid AI systems Participate in architecture discussions, code reviews, and agile ceremonies What We’re Looking For: Strong experience in full-stack More ❯

and maintaining cloud-native SaaS platforms. Hands-on with component libraries, monorepo tools (e.g., Nx, Turborepo), and state management (MobX, Zustand, Redux, or React Query). Familiar with REST, GraphQL, and real-time data streaming (e.g., WebSockets, SSE). Experience building for multi-tenant, micro-frontend architectures (preferred). Nice to Have Familiarity with accessibility standards (WCAG 2.1) and implementation More ❯

and management. Strong expertise in Kong API Gateway, IBM DataPower, and IBM CloudPak for Integration. Hands-on experience with API design, development, and lifecycle management. Proficiency in RESTful and GraphQL API design and development. Experience with containerization (Docker, Kubernetes) and cloud platforms (AWS, Azure, GCP). Strong knowledge of API security standards, including OAuth, OpenID Connect, and API Gateway security. More ❯

security, usability and reliability SQL - Strong experience with SQL based databasing Commercial experience with the use of DevOps toolsets for CI/CD automation Unit Testing Commercial experience with GraphQL and gRPC Expert in RESTful principles including JWT , JSON , Integration, yaml language and Open API Specification Standard. Strong experience in OAuth2 implementations using identity/SSO tools Knowledge of virtualised More ❯

need to know how to integrate modern AI capabilities into productions Essential: At least 4yrs backend development experience Solid Node.js expertise Strong understanding of scalable backend design, REST/GraphQL APIs, and event-driven systems Experience using LLM APIs (OpenAI, Anthropic etc.) or open-source models (Langchain, LLamaIndex, Haystack etc.) Able to work with AWS, Docker, and CI/CD More ❯

pipelines with GitHub and GitHub Actions Strong understanding of SQL database management Computer Science or related degree Bonus Points For: Experience with Snowflake cloud data warehousing API development using GraphQL Soft Skills: Team player who thrives in a collaborative environment Strong problem-solving skills and ability to meet tight deadlines Effective communicator and adaptable to new tech Why Join Us More ❯

queries. Understanding of CI/CD pipelines and tools such as GitLab CI/CD, Jenkins, or CircleCI. Nice-to-Haves Experience in API design and development using REST, GraphQL, or SOAP. Experience with Progressive Web Applications. More ❯

Committed to accessibility standards and inclusive design. Desirable Skills: Familiarity with tools like Postman , Charles/Proxyman , Bitrise , or GitLab CI . Awareness or exposure to iOS development (Swift), GraphQL, microservices, or cloud platforms (AWS, GCP, Azure). Understanding of modern front-end technologies like React/Redux or experience in backend services (Java/Kotlin). Passion for UX More ❯

patterns: MVVM, VIPER, or Clean Architecture. Familiarity with dependency injection tools like Resolver, Swinject, or Needle. Experience working with CoreData, SPM, CocoaPods, and third-party SDKs. Integrate with RESTful & GraphQL APIs and backend services efficiently and securely Experience developing modular SDKs or reusable components. Deep understanding of iOS performance tools, debugging techniques, and testing frameworks (XCTest, XCUI). Experience with More ❯

and continuously seek improvement. Key Responsibilities: Solution Design: Lead the architecture of CRM solutions aligned to business goals and company standards. System Integration: Design integrations with external APIs, REST, GraphQL, and messaging systems to enable near real-time updates. Data Architecture: Provide CRM data modelling, management, and migration strategies for local/global rollouts. 3rd Party Integration: Evaluate and recommend More ❯

operational and non-functional requirements (such as resilience, performance and observability) and how solutions are implemented and tested. Desirable skills/experience you may have Bitrise/Gitlab CI GraphQL Backend for Frontend (BFF) patterns Microservice Architectures Experience of cloud infrastructure such as GCP or AWS. Understanding of mobile security threats and experience of automated security testing. Additional Information: The More ❯

a direct impact on improving customer experience and internal support processes. We’re looking for someone with: UI development or support experience Exposure to at least two of: ReactJS, GraphQL, AngularJS, AJAX, CSS, Mobile app development Ability to read/debug JavaScript and use browser developer tools Scripting with JavaScript, Python, Bash or Shell Understanding of MySQL or Oracle Strong More ❯

a direct impact on improving customer experience and internal support processes. We’re looking for someone with: UI development or support experience Exposure to at least two of: ReactJS, GraphQL, AngularJS, AJAX, CSS, Mobile app development Ability to read/debug JavaScript and use browser developer tools Scripting with JavaScript, Python, Bash or Shell Understanding of MySQL or Oracle Strong More ❯

methodologies and frameworks (Scrum). - Proven analytical thinking and problem-solving skills. - Basic knowledge of eCommerce platforms (Magento 2, BigCommerce, Salesforce, Shopware, Shopify) and APIs (SOAP/REST/GraphQL). - Proficiency in MS Excel and web analytics tools (Google Analytics). - Excellent English communication skills. This role is ideal for those looking to make a significant impact within a More ❯

methodologies and frameworks (Scrum). - Proven analytical thinking and problem-solving skills. - Basic knowledge of eCommerce platforms (Magento 2, BigCommerce, Salesforce, Shopware, Shopify) and APIs (SOAP/REST/GraphQL). - Proficiency in MS Excel and web analytics tools (Google Analytics). - Excellent English communication skills. This role is ideal for those looking to make a significant impact within a More ❯

consumer iOS Apps that both delight and entertain A solid understanding of releasing apps to the App Store Experience working in service-based environments with API's (REST/GraphQL) Good understanding of mobile design systems and component libraries Added bonuses (or the cherries on top!) Experience with geolocation and mapping technologies Automated pipelines/deployment systems Container platforms such More ❯

knowledge: Strong familiarity with data warehouses/lakehouses (Snowflake, Databricks, BigQuery), orchestration tools (Airflow, Prefect), streaming (Kafka, Flink), and transformation (dbt). Technical proficiency: Solid understanding of REST/GraphQL APIs, SDK development, authentication/authorization standards (OAuth, SSO), and best practices in developer experience. Customer empathy: Strong customer empathy for data engineers, architects, and technical buyers. Communication and collaboration More ❯

Write clean, tested code following established patterns and contribute to our 40+ microservice ecosystem with proper code reviews and mentorship Learning & growth : Actively learn our full technology stack - from GraphQL APIs and gRPC services to mobile apps, with support from the team Code quality : Follow code quality standards, participate in code reviews, and learn best practices for writing maintainable software … and development, so you will have opportunity to get to grips with new technologies. Backend & Microservices Go - Primary language for our 40+ microservices gRPC & Protocol Buffers - Inter-service communication GraphQL - Client-facing API gateway MySQL, PostgreSQL, Redis - Data storage and caching Google Cloud Pub/Sub - Event-driven architecture Frontend & Mobile TypeScript - Primary frontend language React & Next.js - Web applications React … Native & Expo - Mobile applications CSS, CSS-in-JS - Styling GraphQL Codegen - Type-safe API integration Artificial Intelligence OpenAI & Gemini - We use OpenAI models to ease our internal teams workflows, as well as automating some time intensive manual tasks. We're looking to bring AI to the forefront of our operational workflows. Infrastructure & DevOps Kubernetes - Container orchestration Docker - Containerisation Terraform - Infrastructure More ❯

Are you passionate about building great products? We're looking for mid-level and senior Backend Software Engineers to join our team. If you're enthusiastic, resourceful, and eager to work with Python and AWS , we'd love to hear More ❯

frog - Senior Full Stack Engineer - London Reference Code: 179952-en_GBContract Type: PermanentProfessional Communities: Creative & Design Why Join frog Since June 2021, frog is part of Capgemini Invent. frog partners with customer-centric enterprises to drive sustainable growth, by building More ❯

You'll lead the migration from a legacy monolith to a modern microfrontend and Backend-for-Frontend (BFF) ecosystem, leveraging React, Next.js, TypeScript, and advanced communication protocols such as GraphQL and gRPC. What You'll Own Lead the design and implementation of scalable, performant, and maintainable frontend architectures that support diverse driver journeys and complex policy workflows. Drive innovation by … of architecting scalable frontend systems and migrating legacy codebases to modern frameworks. Deep understanding of accessibility standards (WCAG) and a passion for building inclusive user experiences. Experience working with GraphQL and gRPC APIs in production environments. Exceptional leadership and communication skills, comfortable mentoring engineers and influencing cross-functional teams. Strong advocate for engineering best practices, test-driven development, and continuous More ❯

Role This is a hands-on React Native role, focused purely on mobile development (no web components). You'll be responsible for integrating two Python APIs (REST and GraphQL), optimising app performance, and contributing to new AI-centric features. The set-up is collaborative: pair programming, code reviews, and pragmatic engineering in a small, lean team. Key Responsibilities Build … and optimise React Native applications. Integrate with Python APIs (REST and GraphQL). Drive performance improvements: bundles, memory, startup, animations, offline. Participate in PR reviews and pair programming. Contribute to AI features (chatbots, scraping, retrieval systems). Manage store releases, updates, and monitoring. What's Needed 2-3+ years' commercial React Native experience. Strong skills in TypeScript, navigation, and … state management (Redux, Zustand, or React Query). Experience with performance profiling and optimisation in React Native Comfortable integrating REST and GraphQL APIs. Exposure to CI/CD, app store releases, and OTA updates (e.g. CodePush). Nice-to-haves: Native modules (Swift/Kotlin), app security, crash/analytics tools, or experience with chatbots/RAG systems. Package & Set More ❯

built entirely in Kotlin with Jetpack Compose from day one, so there's no legacy Java or XML code to maintain. We use modern libraries and architecture, including Apollo GraphQL for networking, Room for local storage, and Slack's Circuit framework to structure our Compose-driven UI. We've built our own Solana Kotlin library in-house to interface directly … share your work early and you're 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 Jetpack Compose animations and UI polish. Proven skills in Android performance optimization, especially with Jetpack Compose. More ❯