This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Full Stack Engineer based in Spain.
This is a high-impact engineering role focused on building across the full spectrum of a fast-evolving decentralized technology ecosystem. You will contribute to both user-facing applications and the core infrastructure that powers them, working at the intersection of product engineering, developer tooling, and platform systems. The environment is highly technical, fast-paced, and innovation-driven, where shipping quickly and iterating intelligently are key. You will be involved in everything from prototyping new ideas to scaling production-grade systems used by developers and end users alike. The role blends autonomy with deep technical ownership, allowing you to shape both what gets built and how it evolves. You will collaborate closely with cross-functional teams including DevRel, Product, and Business teams to ensure what you build is impactful, usable, and aligned with ecosystem growth.



This is an opportunity to work on cutting-edge infrastructure with significant scale, performance, and ambition.
Accountabilities:

Design and deliver end-to-end full stack products, including consumer applications, developer tools, and internal platform systems
Build and maintain high-performance backend services and APIs supporting large-scale decentralized applications
Develop developer-facing tools such as SDKs, CLIs, libraries, and starter kits to improve ecosystem adoption and usability
Create internal tooling and infrastructure that improves engineering velocity and system reliability
Own features across their full lifecycle, from rapid prototyping through production deployment and ongoing optimization
Collaborate with cross-functional teams including DevRel, Marketing, and Business Development to align technical outputs with go-to-market needs
Identify gaps in the ecosystem and proactively design and impleme

📌 Full Stack Engineer (Madrid)
🏢 Jobgether
📍 Madrid