ppstrongActual Talent /strong is the talent acquisition consultancy that offers Executive Search, RPO and Talent Solutions. /ppstrongAbout the client: /strong /ppA strongGerman Sustainable Tech Unicorn /strong that is redefining how global corporations handle transparency. Backed by a strong€130M Series C /strong investment, our client has built a proprietary, serverless cloud infrastructure to ensure human rights and ecological responsibility across global supply chains. /ppCurrently 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. /ph3strongThe Mission: Impact at Scale /strong /h3pAs 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). /ppstrongKey Responsibilities: /strong /pullipstrongSystem Architecture: /strong Design and optimize scalable full-stack features, focusing on robust backend systems and high-performance frontend interfaces. /p /lilipstrongInfrastructure Innovation: /strong Work directly on a custom-built, serverless cloud ecosystem (the Hub). /p /lilipstrongTechnical Leadership: /strong Influence the design of core libraries and microservices architecture used worldwide. /p /lilipstrongCollaborative Strategy: /strong Work in high-density agile squads (4-6 people)



alongside tech leads to define the product roadmap. /p /lilipstrongQuality Advocacy: /strong Drive technical excellence through rigorous code reviews, automated testing, and CI/CD best practices. /p /li /ulh3strongYour Profile:e /strong /h3ullipstrongExperience: /strong 6+ years of professional experience in Full-Stack development, specifically within strongproduct-based companies /strong (no agencies or consultancies). /p /lilipstrongBackend Mastery: /strong Expert-level command of strongNode.js /strong and strongTypeScript /strong. /p /lilipstrongFrontend Proficiency: /strong Strong experience with strongReact.js /strong. /p /lilipstrongArchitecture Mindset: /strong Deep understanding of microservices, end-to-end product ownership, and scalable design patterns. /p /lilipstrongCommunication: /strong Fluent English (C1). Spanish is a plus but not mandatory for technical collaboration. /p /li /ulh3strongWhat’s in it for you? /strong /h3ullipstrongUnlimited Growth: /strong Join a unicorn at the peak of its general expansion with a direct line to leadership. /p /lilipstrongGood Salary Package /strong /p /lilipstrongHybrid Work: /strong A balanced model of strong3 days in the Madrid office / 2 days remote /strong /p /lilipstrongPremium Benefits: /strong €80/month via Thanksben + up to €200/month for transport and meals. /p /lilipstrongHigh-Performance Culture: /strong A world-class engineering team where technical decisions are made by developers, for developers. /p /li /ul /p #J-18808-Ljbffr

📌 Senior Full-Stack Engineer (Node.js/React) - Hybrid, ESG Impact (Madrid)
🏢 Actual Talent
📍 Madrid