Développeur(se) Fullstack Nextjs (orienté Front)

Accountabilities:: Design and develop rich, responsive, and intuitive interfaces for SaaS products, including components, pages, interactions, and complex application states. Focus strongly on user experience, UI quality, responsiveness, and perceived front-end performance. Develop and maintain application-side back-end functionality within Next.js when required, including Server Actions, API Routes, data access, authentication, and third-party integrations. Handle more complex business logic when needed, including credit management, job pooling, API timeouts, asynchronous processes, and other application workflows. Use AI throughout the development lifecycle, including product and technical design, coding, testing, debugging, documentation, and iteration. Deliver complete, tested, production-ready features within agreed timelines while maintaining a strong focus on user and business outcomes. Understand the purpose behind each feature, including user needs, product objectives, and expected business impact. Contribute to product roadmaps and proactively suggest technical or product tradeoffs that can accelerate delivery without compromising meaningful quality. Identify opportunities for improvement beyond assigned tasks and contribute ideas that can strengthen the product and user experience. Collaborate effectively with product and technical stakeholders in a fully remote environment. Adapt to different SaaS products and priorities as business needs evolve, bringing your expertise to the product where it can have the greatest impact. Contribute to technical discussions, development practices, and continuous improvement across the broader engineering organization. Requirements: 5–10 years of professional experience in full-stack software development, with a strong front-end focus. Solid professional experience working in SaaS environments, ideally within a startup, venture studio, product studio, or similarly fast-paced organization. Strong command of React and Next.js, including component architecture, state management, rendering strategies, performance optimization, and modern front-end development practices. Strong TypeScript skills and practical experience with Tailwind CSS and shadcn. Excellent attention to UI and UX details, with the ability to quickly identify and resolve visual, interaction, and usability issues. Comfortable working with application back-end functionality integrated into Next.js, including Server Actions, API Routes, authentication, data access, and third-party integrations. Ability to reason through more complex business logic and technical challenges when application requirements become less straightforward. Good understanding of modern meta-frameworks, with Next.js expertise particularly valuable; familiarity with technologies such as TanStack Start or Nuxt is an advantage. Strong experience using AI as a core development tool, including coding agents, code generation, AI-assisted testing, debugging, and code review. Ability to use AI effectively to increase development speed while remaining accountable for the quality, correctness, and usability of the final product. Strong product and business mindset, with an understanding that engineering decisions should ultimately serve users and measurable product outcomes. Ability to make pragmatic tradeoffs between perfection and speed, knowing when a solution is sufficiently robust to ship. Curiosity and a habit of understanding the "why" behind a requirement before deciding how to implement it. High degree of autonomy and adaptability, particularly when joining or switching between different products. Strong ownership and willingness to contribute beyond pure task execution. Excellent remote communication and collaboration skills. Fluent French is required as the primary working language. English proficiency at B2 level or above is required, as English is the secondary working language and is assessed during the recruitment process. Benefits: Permanent employment or long-term freelance engagement, depending on your preferred arrangement. Fully remote working model across Europe. High degree of autonomy and flexibility in how and where you work. Flexible working hours designed to support a healthy work-life balance. Option to work remotely from another time zone for up to one month, providing additional flexibility for travel or extended stays abroad. AI-first development culture with access to tools, resources, and freedom to use modern AI-assisted development workflows. Opportunity to contribute to multiple SaaS products rather than being limited to a single long-term project. Modern and consistent technology stack across products, including Next.js, TypeScript, Tailwind, and shadcn. Strong focus on ambitious front-end development, user experience, and product performance. Visible impact, with delivered features reaching real users and contributing to measurable product results. Small, collaborative product teams with direct support from an experienced Lead Developer. Opportunities for continuous learning, professional development, and technical growth. Fast-growing environment offering opportunities to take on increasing responsibility and influence. Culture centered around ownership, continuous learning, innovation, impact, and high standards.