Top Front End Developer Jobs in France

Develop user interfaces for a tactical Command and Control system, focusing on real-time data visualization, video streaming, and mission planning tools while ensuring optimal performance and user experience.

Design and build high-performance, responsive web applications that visualize 3D/LiDAR spatial data, streaming events, and multi-tenant telemetry. Implement modular real-time chatbot and rich-text messaging components exposing AI agent steps. Optimize rendering and state handling under heavy live-data traffic. Provide technical mentorship to incoming frontend interns and drive generative UI workflows and rapid prototyping.

As a Staff Engineer, you will lead frontend technical strategy, optimize web performance, mentor engineers, and drive cross-team initiatives in the Healthcare Access stream.

Design, develop, and maintain React/TypeScript frontend components; collaborate with product managers, designers, and engineers; ensure accessibility, performance, testing and documentation; participate in code reviews and evolve frontend architecture.

Serve as a senior Java full-stack engineer building and maintaining backend services for blockchain applications, integrate APIs with React/Vue frontends, design scalable enterprise blockchain solutions, troubleshoot complex backend issues, and collaborate with cross-functional teams to apply best practices.

The role involves building creative tools for content editing, enhancing features with PixiJS and WebGL, and improving collaboration workflows.

Join Dragonfly's talent network as a Senior Frontend Engineer. Connect with global portfolio companies in the crypto ecosystem.

Join the frontend team to build and improve HarfangLab's cybersecurity platform. Integrate new features, ensure scalable readable code, drive quality improvements, propose technical enhancements, and collaborate with UX, backend, agent, AI, and DevOps teams using an agile process (TypeScript, Vue 3, Sass).

Lead front-end technical initiatives for Messaging & Ads: mentor engineers, drive architecture and coding standards, build scalable TypeScript/React web apps, optimize GraphQL data interactions, manage deployments with Kubernetes and Jenkins, conduct code reviews, and collaborate with CRM and Ads teams to improve engagement and monetization.

Build and optimize a high-performance web photo editor using React, TypeScript, and Next.js. Implement responsive interfaces for heavy in-browser image processing, contribute to frontend architecture (Canvas, WebAssembly, multithreading), and ensure top-tier performance and code quality.

Build and ship full-stack features for North, develop autonomous agents that access sensitive enterprise data, productionize state-of-the-art models, write minimal, secure low-resource code, and collaborate with researchers to deploy performant RAG/agentic applications while prioritizing security and user experience.

As a frontend engineer at Dust, you'll create engaging user interfaces, collaborate with designers, and work on backend tasks using TypeScript and Next.js. Responsibilities include leading frontend projects, ensuring code quality, and building scalable systems.

Design and implement high-performance, data-rich frontend features using React and TypeScript. Co-own frontend architecture, component design, and state management. Collaborate with product, design, and backend teams to improve data visualization and user diagnostics. Ship production code quickly, leverage AI tools to accelerate development, and mentor engineers while promoting frontend best practices and testing.

Frontend-focused product engineer building high-quality SaaS user experiences. Work in cross-functional squads to own UI, interaction patterns, performance, accessibility, prototyping, instrumentation, and feature rollouts. Primary frontend work with openness to backend or mobile tasks, using AI-assisted coding and agile practices.

Design and implement complex customer-facing frontend features using TypeScript and React. Provide technical leadership, mentor junior engineers, drive frontend architecture and best practices, improve performance and accessibility, partner with product/design, integrate with backend APIs, and manage technical debt and scalability.

Build and maintain user-facing features and interfaces for Restream web services. Design and implement UI and business logic, collaborate with product designers and engineers, perform code reviews, improve reliability and scalability, and evaluate emerging technologies.

Own frontend implementation for enterprise Magento/Adobe Commerce storefronts using Hyva and modern frontend technologies. Build responsive, pixel-perfect UIs from Figma, optimize performance and accessibility, integrate with REST/GraphQL, and collaborate with backend engineers and designers from estimation through deployment.

Lead development of Magento 2 storefronts (custom themes, Hyva, headless/PWA), drive frontend architecture and best practices, optimize performance and accessibility, integrate with REST/GraphQL APIs, mentor engineers, and collaborate with backend, DevOps, and design teams.

The Senior Software Engineer will design and maintain a Web and Mobile Design System using React and React Native, drive convergence between platforms, ensure accessibility, mentor team members, and improve developer experience through tooling and automation.

Build and maintain high-performance, production-grade UIs using React and TypeScript. Collaborate with backend engineers and product managers to design APIs, implement AI-driven features, and develop advanced, real-time data visualizations while contributing to the internal design system and optimizing performance.

As a Front-End Web Developer, you'll create responsive web applications, collaborate with design and development teams, and optimize user interfaces for a large user base.

The Cloud Frontend Engineer at Signaloid will implement new front-end features, enhance testing infrastructure, and improve platform performance, collaborating with engineering and design teams.

Develop and maintain responsive web applications, collaborating with cross-functional teams to optimize user experience and implement Web3 technologies.

Design and maintain frontend applications for Dailymotion Studio, using React and TypeScript, while tackling complex challenges and ensuring quality code practices.

As a Front End Web Developer, you'll create and maintain web applications for the CAE product suite, collaborate with engineers, and ensure code quality in an Agile environment.