handling, session management, data masking, and audit logging. Translate UX/UI designs into modular, reusable components aligned with enterprise design systems. Integrate front-end applications with REST/GraphQL APIs, WebSockets, and backend services. Collaborate closely with AI engineers, backend developers, and cloud architects to deliver end-to-end solutions. Ensure compliance with cybersecurity and data privacy standards through … in greenfield or innovation lab settings. Experience developing interactive UIs, dashboards, chat interfaces, and data visualisations for AI-powered tools. Skilled in integrating front-end applications with APIs (REST, GraphQL, WebSockets) and backend services. Deep understanding of front-end security practises (e.g., OWASP, CSP, input sanitization, role-based access). Familiarity with secure API design, token management, and data privacy More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Pontoon
handling, session management, data masking, and audit logging. Translate UX/UI designs into modular, reusable components aligned with enterprise design systems. Integrate front-end applications with REST/GraphQL APIs, WebSockets, and backend services. Collaborate closely with AI engineers, backend developers, and cloud architects to deliver end-to-end solutions. Ensure compliance with cybersecurity and data privacy standards through … in greenfield or innovation lab settings. Experience developing interactive UIs, dashboards, chat interfaces, and data visualisations for AI-powered tools. Skilled in integrating front-end applications with APIs (REST, GraphQL, WebSockets) and backend services. Deep understanding of front-end security practises (e.g., OWASP, CSP, input sanitization, role-based access). Familiarity with secure API design, token management, and data privacy More ❯
brands and our server-driven UI experience layer Collaborate with multiple engineering teams to enable co-development, reuse, and problem-solving Develop and test standard software applications using React, GraphQL, and related technologies Participate in code reviews to assess overall code quality and flexibility Apply software design principles, data structures, design patterns, and computer science fundamentals to write clean, maintainable … Bachelor's or Master's degree in a technical or related field, or equivalent professional experience Professional full-stack web development experience Proficient in React, TypeScript, Node.js, and Apollo GraphQL Passionate about building and refining high-performance web apps Familiar with associated technologies within the broader SDLC ecosystem (e.g., CI/CD, Git, GitHub Actions) Eager to learn and work More ❯
product team, contributing to wider engineering and business initiatives that help us further scale our products as we continue to grow. Our tech stack Mobile Typescript, React Native, Expo, GraphQL, Relay, Jest, React Testing Library, Maestro Web Typescript, React, NextJS, Redux Toolkit, SCSS Modules, React Testing Library, Cypress, Turborepo Backend/Infrastructure PHP 8 (Symfony), Kotlin, MySQL, RabbitMQ, AWS, Docker … worked on, products that have scaled from zero users to tens or hundreds of thousands (or more), and can apply what you learnt in new contexts You've used GraphQL in a production environment You've built and launched new products and grown the audience You have in-depth experience of mobile performance best practices and debugging You've employed More ❯
source of truth for patient data, in 4 weeks, picking up a large set of new technologies on the way (ground up built from low-level services like Appsync, GraphQL, not Twilio). Dennis built a lightning fast cloud document library for clinics in a few days, with If high growth delta and joining an elite scrappy crew is your … for patients. Our stack is currently entirely in JS/TS: Angular + Capacitor + Electron, React (internal tools), Amplitude (analytics), a fully serverless backend in AWS (Cognito, Appsync GraphQL, Lambda, DynamoDB). We have good functional & unit test coverage and CI/CD. Our stack is in a great place already: highly scalable, cost effective, good test coverage, easily 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 ❯
growth potential. They're looking for a number of bright, engaging software engineers familiar with or interested in working with their tech stack. Tech stack: Python (FastAPI, Starlette) gRPC GraphQL PostgreSQL DynamoDB AWS EKS CI/CD pipelines What you'll be doing: Contributing to the design and development of scalable backend systems Working across rotating product squads with full … backend engineering experience (ideally Python, but open to other languages) Experience in microservices or modern service architecture Excellent communication skills and willingness to take initiative Nice to have: FastAPI, GraphQL, gRPC Experience with AWS and CI/CD tooling This is a great opportunity to join a profitable, product-focused company with ambitions to scale in 2025. You'll be More ❯
foundation for general-purpose documents (text, spreadsheets, diagrams) and their calculated state Integrate decentralized storage & encryption layers (IPFS, E2E encryption, attachments) Shape developer-facing schema tooling, builder-pattern APIs, GraphQL directives, and codegen interfaces Prototype lightweight AI/autocomplete/codegen features that augment the authoring experience Own end-to-end services, from infrastructure to backend APIs and light frontend … systems experience, ideally at early-stage or high-autonomy teams, bringing deep expertise in Typescript, Node.js, plus most Javascript frameworks and libraries. A healthy obsession with clean APIs, especially GraphQL, type-safe schema design, and developer experience Strong grasp of distributed systems, real-time data sync, or CRDT/OT algorithms Fluency in a systems language (Rust, Go, or similar More ❯
source of truth for patient data, in 4 weeks, picking up a large set of new technologies on the way (ground up built from low-level services like Appsync, GraphQL, not Twilio). Dennis built a lightning fast cloud document library for clinics in a few days, with If high growth delta and joining an elite scrappy crew is your … for patients. Our stack is currently entirely in JS/TS: Angular + Capacitor + Electron, React (internal tools), Amplitude (analytics), a fully serverless backend in AWS (Cognito, Appsync GraphQL, Lambda, DynamoDB). We have good functional & unit test coverage and CI/CD. Our stack is in a great place already: highly scalable, cost effective, good test coverage, easily More ❯
About PointFive PointFive enables Continuous Cloud Cost Efficiency through Deeper Detection and Collaborative Remediation, enhanced by our DeepWaste detection engine. Join us in making the world of cloud optimization more efficient and actionable! Role Overview We're looking for a More ❯
powers our marketing and analytics. This is a mission-critical role interfacing with Product, Marketing, and Creative teams. Our frontend is built with a modern stack including React, Next.js, GraphQL, and deployed via Vercel. With minimal legacy constraints, we're able to move quickly and maintain a high bar for performance and quality. This is an office based role, located … Euston London. We operate Monday to Friday, 9am to 6pm. WHAT YOU'LL WORK ON: Development of the customer-facing onboarding journey. Working with a tech-stack including:React,GraphQL,Typescript,Vercel Setting up and driving regular experimentation, advocating for A/B testing and data-driven decision making Continuous management of Meta Pixels, Google Ads Tags, and Google Tag … Act as a technical advocate for marketing to ensure full measurability and tracking fidelity. WHAT WE'RE LOOKING FOR: 5+ years in software engineering roles Strong experience in React, GraphQL, and TypeScript Familiarity with Vercel, Next.js, and modern CI/CD workflows Deep understanding of building customer-facing journeys (onboarding, checkout) Ability to communicate complex technical concepts to non-technical More ❯
days will be focusing on getting to know our HackerOnies. You will join your new squad and be onboarded - get to learn the technology stack (Ruby on Rails + GraphQL + ReactJS + many more). Within 60 days, you will have committed a bunch of code to our repositories and will start developing a knack for being a fast … 5+ years of experience in full-stack software engineering, especially within a SAAS environment, preferably with experience in Ruby on Rails, ReactJS and TypeScript, generative AI, ElasticSearch/OpenSearch, GraphQL Practical experience with GenAI and running LLM models in production Proven experience leading and delivering cross-functional projects from start to finish Strong track record of individual contributions to business More ❯
EC1V 9NR What you will be doing Language - Design, build, and maintain efficient, reusable, and reliable Ruby/Elixir code Polyglot - All our services are built-in Ruby, Elixir, GraphQL federation or Typescript, depending on which language best suits the solution Messaging - For communication, we use Kafka for events and gRPC or JSON for synchronous calls. Kubernetes - All our services … architecture and best practices Culture - Contribute to a healthy engineering culture of feedback and growth What we are looking for Technologies - Strong understanding of languages such as Elixir, Ruby, GraphQL or TypeScript Distributed Systems - You understand how to build, deploy and maintain a globally distributed system. Event-driven architecture - Knowledge of event-driven systems and tools/protocols like Kafka More ❯
Play a pivotal role in revolutionising fibre networking, not only within London but extending beyond. You will be joining a Sunday Times Best Place to Work in the UK, which is on a mission to build a fibre network that More ❯
design is a plus. Proven experience with React. Experience in CDN and edge caching. Specific experience with CloudFlare is a plus!. Understanding of accessibility and SEO. Familiarity with GraphQL and GraphQL libraries such as Relay or Apollo (or be willing to learn). About DICE DICE is based throughout Europe, North America, Australia and India, and is rapidly growing More ❯
Shopify APIs. Key Responsibilities Maintain and enhance a Laravel 9/10/11-based web application with PHP 8.x. Build and manage Shopify integrations via Admin REST and GraphQL APIs. Manage OAuth 2.0 flow for app installation, token generation, and secure Shopify API calls. Maintain role-based access control usingspatie/laravel-permission. Implement and monitor scheduled background tasks … and secure data compliance are enforced. Required Skills 3+ years of experience in full stack web development with Laravel and PHP 8.x. Proven experience with Shopify API integration (REST & GraphQL). Strong understanding of OAuth 2.0 authentication flows. Experience working with role-based access systems and multi-user logic. Familiarity with AWS infrastructure (EC2, RDS, S3), Linux/Ubuntu server More ❯
needed Ability to make senior level contributions in TypeScript React Node PostgreSQL Bonus points for experience in high velocity and technically challenging roles Our tech stack Frontend React Typescript GraphQL (Apollo Client) Playwright Jest Storybook + Chromatic Mantine GCP (Cloud Run) Backend Typescript PostgreSQL GraphQL Yoga Jest Auth0 GCP (Cloud Run, Cloud SQL, Cloud Storage + more) All the other More ❯
willing to bring innovative ideas to the table. Key Responsibilities Utilising a variety of markup languages to develop pixel-perfect, responsive web pages. Working with React/Next.js/GraphQL to build decoupled sites that pull content from a headless WordPress CMS. Ensuring web development is optimised for smartphones. Optimising web pages for maximum speed and scalability. Create documentation outlining … Taking the lead of front-end aspects of projects where necessary. Assisting more junior members of the front-end development team. Key Requirements Experience using React/NextJS/GraphQL to create headless WordPress websites. A minimum of 2 years experience in using PHP to render WordPress websites. Experience with custom post types, Gutenberg and the Advanced Custom Fields plugin. More ❯
a seasoned Principal Product Manager to lead a critical part of our domains in our CMS product: Graph . The Graph team owns our Optimizely Graph product, built on GraphQL, enabling performant and composable content delivery and search across the Optimizely suite. We are looking for a technical, detail-oriented product leader who thrives in complex systems, understands the developer … and implementer persona deeply, and has experience with front-end frameworks, GraphQL, and search. This role is central to how Optimizely CMS is adopted and extended by customers and partners across the globe. Job Responsibilities Product Development: Lead the end-to-end product lifecycle from ideation through to launch. Prioritize features and enhancements based on user feedback, market trends, and … the needs of both internal and external stakeholders. Create and maintain roadmaps, write Product Requirements Documents (PRDs), and set a predictable cadence for delivery. Strategy & Vision: Drive forward our GraphQL-based content delivery and search infrastructure. Understand content modeling, query performance, and integration challenges in composable architectures. Develop a clear and compelling vision for the future of search, content delivery 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 ❯