688 frontend developer English-speaking jobs in Île-de-France

Full Stack Web Developer - Python / JavaScript / Django / GraphQL / React / Tailwind Build the digital ... We're seeking 2 Full Stack Web Developers (or 1 Frontend and 1 Backend) to help design and maintain ... Required skills: Python & JavaScript development Backend frameworks: Django, GraphQL, REST Frontend:

You: Are a Frontend developer with at least 5 years of professional experience Are an open-minded, knowledgeable ... As a member of the Frontend team you will: Join a team of 4 experienced Frontend Developers and be a ... Cycloid is an Internal Developer Platform and an internal developer Portal with modules around self-service ... We optimize the developer experience and operational efficiency by accelerating the delivery of a portal ... One goal: to make our internal developer platform and portal the leading platform tool in the world,

Front-End Developer to join the sales team, working on website maintenance, performance, and new platform development using ReactJS, Redux, and NodeJS. Requires 4+ years of web development experience, proficiency in JavaScript frameworks, REST principles, and microservices architecture.

Front-End Developer to join the Core Team working on transversal projects, frameworks, and website maintenance. Develop front-end solutions using ReactJS, Redux, and NodeJS. 5+ years of web development experience required, including expertise in React, TypeScript, and CI/CD. Strong problem-solving abilities and experience with testing tools are essential. Fluent English and excellent communication skills needed.

Cycloid is an Internal Developer Platform and an internal developer Portal with modules around self-service ... You will perform integration testing, validating that the Backend, Frontend, and Infrastructure logic ... robust automation(using Playwright) to secure the codebase.Full-Stack QA: You won't just test the frontend ... customer journey.What You Will DoAs a full member of the Product Team, you will work hand-in-hand with Frontend ... We optimize the developer experience and operational efficiency by accelerating the delivery of a portal

Familiarity with frontend technologies (JavaScript, HTML, CSS) is a plus. ... Our client, a fast-growing company in the fintech sector, is looking for a Ruby Developer to strengthen ... Your Mission: As a Ruby Developer, you will play a key role in designing and building high-performance

improve frontend Developer Experience and help tame and reduce frontend code technical debt organization-wide ... As a frontend "platform" team, they support and empower other teams contributing to common frontend ... libraries and other frontend code, and help spread state-of-the-art workflows and practices. ... They provide core libraries that underpin our entire frontend architecture, write supporting tooling, ... you'll do We are looking for a Senior Software Engineer or Staff Engineer to join our Core Web Frontend

Risk scoring, developer integrations (CI/CD, Git, ticketing), the whole loop. ... Stack Frontend: Svelte + TypeScript, GraphQL client Backend: Node.js, GraphQL (Yoga + Pothos), Prisma ... Experience 5+ years shipping production web apps, strong on both frontend and backend TypeScript fluency

About the Role As Mid-level Full Stack Developer at Interstellar Lab, you will design, build, and scale ... Responsibilities Develop and maintain backend services and APIs in Python (FastAPI)Contribute to frontend ... developmentProficiency in Python (FastAPI) and modern backend frameworksSolid experience with React and frontend

endpoints, millions of findings, complex faceted search, and real-time refresh — without turning the frontend ... from noisy scans — all embedded into the product, with tight UX + reliability requirements.Security & developer ... ramp fast: it\'s learnable in a week if you know React/Vue)Background in security, DevSecOps, or developer ... rigorous but not bureaucratic.Experience5+ years building production web applications, with depth in both frontend

tooling or large‑scale frontend/backend systems Docker experience containerizing builds and CI environments ... performance optimization Broad exposure to multiple programming languages and platforms Experience with developer ... Visual C++) Experience with large Python codebases, ideally with type checking TypeScript experience for developer

Our Stack Frontend: React/Next.js (Typescript) CI/CD: GitHub Actions, Cypress Previous experience in ... About the role As a Senior Software Developer at Zeffy, you’ll play a key role in building and scaling ... As a senior developer, you’ll also help shape our processes and mentor others to maintain Zeffy’s “simple ... Preferred experience (qualifications) We’re looking for someone with at least 4 years of experience as developer

On a daily basis, you will As a Full Stack Developer, you will contribute to the development of DISCOVERY ... Integrate backend logs, metrics, and analytics into frontend dashboards. ... You will work across the entire stack — backend services, data flows, and frontend interfaces — collaborating

will treat "other developers" as your primary customers, focusing on tooling, build speed, and Developer ... ’re looking for:Experience: 6+ years in software development with significant experience in complex Frontend ... technical strategy for decoupling our architecture by architecting automated CI/CD workflows and micro-frontend

will treat "other developers" as your primary customers, focusing on tooling, build speed, and Developer ... ’re looking for:Experience: 6+ years in software development with significant experience in complex Frontend ... technical strategy for decoupling our architecture by architecting automated CI/CD workflows and micro-frontend

and maintainability Preference: Background within the Biomedical/Biotech/Life Sciences space Skills: Frontend ... product discovery, requirements gathering, testing, and iterative improvement Apply best practices for frontend ... experience building and scaling complex, user-facing web applications Build end to end features across the frontend ... preferred) for web APIs and services Web Architecture: Experience designing scalable web systems and frontend–backend

Organized in a Turborepo monorepo with ~40 shared packages for maximum code reuse, fast CI/CD, modern developer ... As the primary interface used by our customers, those are 100% frontend products where performance and ... React Testing Library for confidence in every deployment Qualifications: You have proven experience in frontend

Frontend: Vue.js, Bootstrap. Datastore: Kafka, Elasticsearch, PostgreSQL, MySQL. ... Requirements 5+ years of software engineering experience in frontend (Vue.js, React, Sass, Webpack,

You have 3+ years of experience in developing frontend applications. ... Our technical stack Frontend: Vue, Typescript, Tailwind CSS, Cypress Backend: Elixir, Phoenix, PostgreSQL ... reliable manner; Build robust components; Improve our Design System with our design team; Organize the frontend

Using modern frontend frameworks like React, Next.js, Svelte and Astro, you’ll develop responsive, accessible ... reliability and scalability across our distributed systems Contribute to systems powering AI‑assistants, developer ... multi‑cloud infrastructures Identify areas for improvement and create innovative solutions that enable high developer