ppActual Talent is the talent acquisition consultancy that offers Executive Search, RPO and Talent Solutions. /p pAbout the client: /p pA German Sustainable Tech Unicorn that is redefining how global 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 general supply chains. /p pCurrently 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. /p h3The Mission: Impact at Scale /h3 pAs a Senior Backend Enginner 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). /p pKey Responsibilities: /p ul libSystem Architecture: /b Design and optimize scalable full-stack features, focusing on robust backend systems and high-performance frontend interfaces. /li libInfrastructure Innovation: /b Work directly on a custom-built, serverless cloud ecosystem (the Hub). /li libTechnical Leadership: /b Influence the design of core libraries and microservices architecture used worldwide. /li libCollaborative Strategy:



/b Work in high-density agile squads (4-6 people) alongside tech leads to define the product roadmap. /li libQuality Advocacy: /b Drive technical excellence through rigorous code reviews, automated testing, and CI/CD best practices. /li /ul h3Your Profile:e /h3 ul libExperience: /b 6+ years of professional experience in Backend development, specifically within product-based companies (no agencies or consultancies). /li libBackend Mastery: /b Expert-level command of Node.js and TypeScript. /li libArchitecture Mindset: /b Deep understanding of microservices, end-to-end product ownership, and scalable design patterns. /li libCommunication: /b Fluent English (C1). Spanish is a plus but not mandatory for technical collaboration. /li /ul h3What’s in it for you? /h3 ul libUnlimited Growth: /b Join a unicorn at the peak of its global expansion with a direct line to leadership. /li libGood Salary Package /b /li libHybrid Work: /b A balanced model of 3 days in the Madrid office / 2 days remote /li libPremium Benefits: /b €80/month via Thanksben + up to €200/month for transport and meals. /li libHigh-Performance Culture: /b A world-class engineering team where technical decisions are made by developers, for developers. /li /ul /p #J-18808-Ljbffr

📌 Senior Backend Engineer (Node.js/React) – Sustainable Tech Unicorn (Madrid)
🏢 Actual Talent
📍 Madrid