About Ledger We’re a team of experts pushing the limits of what’s possible, united by our common goal to unlock true freedom through digital ownership, making technology accessible for all. We believe in a world where users, creators and enterprises manage their value with ownership and freedom. Our curiosity drives us to innovate, empowering individuals on a global scale. We believe change is constant and our team moves forward as one, with a culture of problem-solving where every employee is empowered and supported to challenge tradition and create solutions. Our mission is simple: to make self-custody accessible and give people the keys to their own financial futures. If you want to make a true impact, we want you to join us at Ledger.   At Ledger, we’re proud to be the global platform for digital assets and Web3, with over 20% of the world’s crypto assets secured through our Ledger devices. With our headquarters in Paris, and offices in Vierzon, Grenoble, Montpellier, London, Portland, Geneva, Zurich and Central Singapore, we have a team of around 600 professionals developing a variety of products and services to enable individuals and companies to securely buy, store, swap, grow and manage crypto assets – including the Ledger hardware wallets line with more than 7.5 millions units already sold in 200 countries. THE MISSION: We're looking for a sharp, structured operator to own payroll and HR operations end-to-end on a fixed-term basis — someone equally comfortable navigating compliance deadlines and redesigning a process from scratch. You'll sit at the core of our People function, touching everything from monthly payroll to international mobility and employer-of-record partnerships. Key responsibilities include : * Payroll & compliance End-to-end management of monthly payroll runs, variable elements, and statutory filings (DSN). You'll make sure nothing slips — and spot issues before they become problems. * Immigration & international mobility Managing employee visa applications, work permits, and international hires — working to strict legal deadlines across multiple jurisdictions. * Employer of Record (EOR) management Structuring and overseeing EOR arrangements where we don't have a local entity — contract setup, local payroll coordination, and third-party provider management. * Apprenticeships, internships & OPCO Administering apprenticeship contracts and internship agreements — pay scales, OPCO relations, funding, amendments, and liaison with partner institutions. * Equity & mandatory reporting Tax and declarative aspects of employee shareholding (free shares, stock options), plus mandatory reporting including INSEE surveys and BDESE contributions. * Employee lifecycle & process improvement Owning HR processes from onboarding to offboarding — and continuously improving them. You won't just maintain the system; you'll help evolve it. WHAT WE’RE LOOKING FOR : * Payroll expertise (French payroll) * DSN and statutory filings * Immigration case management * EOR and international operations * OPCO and apprenticeship frameworks * Equity administration (AGA / stock options) * Process design mindset * Rigorous and deadline-driven * At least 5 years of experience in an HR Ops team, in a fast-pace environment