Principal Software Engineer

Digital Waffle

📍 Madrid, Community of Madrid, Spain

full time Computer Occupations Posted February 27, 2026

Job Description


Principal Software Engineer (Java, Spring, AWS) - Robotics & AI

A fast-growing robotics and AI startup is transforming how industrial robots operate within dynamic warehouse environments. The company specialises in advanced logistics automation, building distributed, cloud-native systems where reliability, scalability and performance are mission-critical. With a small, high-calibre team and zero bureaucracy, this is an opportunity to make a direct impact on both product and technical direction.

The Role
This is a true end-to-end ownership position. You will design distributed systems, build robust backend services (80%) and modern frontends (20%), manage cloud infrastructure, and drive engineering quality across the platform. Working closely with the founding team, you'll help translate business strategy into scalable, production-grade technology.

You'll also see your code running on physical robot...