A German Sustainable Tech Unicorn that is redefining how integral corporations handle transparency.
Backed by a €130 M Series C investment, our client has built a proprietary, serverless cloud infrastructure to ensure human rights and ecological responsibility across global supply chains.
This is your chance to join a high-growth environment where engineering quality and product ownership are the top priorities.
Impact at Scale As 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 (Lk SG, CSDDD).
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).
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:e Experience: 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 Type Script.
Frontend Proficiency: Strong experience with React.Js.
Fluent English (C1).
Spanish is a plus but not mandatory for technical collaboration.
What's in it for you?
Unlimited Growth: Join a unicorn at the peak of its global expansion with a direct line to leadership.
Good Salary Package Hybrid Work: A balanced model of 3 days in the Madrid office / 2 days remote Premium Benefits: €80/month via Thanksben + up to €200/month for transport and meals.
High-Performance Culture:

📌 Senior/Lead Full Stack Engineer (España)
🏢 Actual Talent Spain
📍 España