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 integral 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 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 (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: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

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).

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