Actual Talent is the talent acquisition consultancy that offers Executive Search, RPO and Talent Solutions.About the client:A German Sustainable Tech Unicorn that is redefining how general corporations handle transparency. Backed by a €130M Series C investment, our client has built a proprietary, serverless cloud infrastructure to ensure human rights and ecological responsibility across global supply chains.Currently in a massive consolidation phase, their Madrid Hub is expanding from 20 to over 100 top-tier engineers in 2026. This is your chance to join a high-growth environment where engineering quality and product ownership are the top priorities.The Mission: Impact at ScaleAs a Senior Full-Stack Engineer you will be an architect of transparency. You will own the end-to-end development of products that help over 2,000 global companies comply with critical ESG regulations (LkSG, CSDDD).Key Responsibilities:System Architecture: Design and optimize scalable full-stack features, focusing on robust backend systems and high-performance frontend interfaces.Infrastructure Innovation:



Work directly on a custom-built, serverless cloud ecosystem (the Hub).Technical Leadership: Influence the design of core libraries and microservices architecture used worldwide.Collaborative Strategy: Work in high-density agile squads (4-6 people) alongside tech leads to define the product roadmap.Quality Advocacy: Drive technical excellence through rigorous code reviews, automated testing, and CI/CD best practices.Your Profile:eExperience: 6+ years of professional experience in Full-Stack development, specifically within product-based companies (no agencies or consultancies).Backend Mastery: Expert-level command of Node.js and TypeScript.Frontend Proficiency: Strong experience with React.js.Architecture Mindset: Deep understanding of microservices, end-to-end product ownership, and scalable design patterns.Communication: Fluent English (C1). Spanish is a plus but not mandatory for technical

📌 Senior Full-Stack Engineer (Madrid)
🏢 Actual Talent
📍 Madrid