We are looking for a Senior Software Engineer to join our early team and help build the core platform of a startup transforming Audit 4.0 and control management for companies. Who are we? At Byld, we don’t just build businesses—we create game-changing ventures in collaboration with leading corporations. Since 2017, we’ve been designing, validating, and launching new companies, blending the best of the entrepreneurial and corporate worlds to develop scalable businesses with real impact. Our latest venture, Ermine , was born from this vision. Built alongside Erhardt, Ermine is a cutting-edge SaaS platform that simplifies and enhances Risk Management, Audit Management, ESG Management, Quality Management, and Regulation & Standards. It centralizes everything in one place, automating evidence collection, ensuring traceability, and increasing operational efficiency—all while saving time, resources, and costs. Many companies still struggle with manual processes, scattered information, and compliance challenges. Ermine eliminates these pain points by automating evidence collection,
ensuring traceability, and increasing efficiency—all while saving time and resources. ? Join us in revolutionizing risk and control management for SMEs. About the Role We are looking for a Senior Software Engineer (Full Stack) to play a key role in the evolution of Ermine’s platform. You will work on core architectural decisions, build end-to-end product features, and help shape how the platform scales in terms of performance, data volume, and complexity. You’ll collaborate closely with Product, founders, and other engineers, balancing speed with robustness in a real production environment. You will work across backend and frontend, with a strong focus on Java/Spring microservices and Angular, contributing to the next major version of Ermine and laying solid foundations for future growth. Start Date 01/03/2026 Contract Duration Permanent Responsibilities As Senior Software Engineer , you will: De
📌 Senior Software Engineer (Madrid)
🏢 Byld
📍 Madrid