Principal Software Engineer (Fully Remote)

Digital Waffle

📍 Madrid, Area Metropolitana (comarca), Spain

Full-time Other-General Posted March 03, 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 high-throughput palletising and advanced logistics automation, building distributed, cloud-native systems where reliability, scalability and performance are mission-critical. You will design distributed systems, build robust backend services (80%) and modern frontends (20%), manage cloud infrastructure, and drive engineering quality across the platform. Expect roughly 50% on-site collaboration to work closely with both software and hardware systems.

Build and deploy backend services using Java (Spring)

Develop RESTful APIs and web frontends with Angular

Containerisation using Docker

Automation via Bash scripting

AWS deployment and CI/CD best practices

Manage SQL and NoSQL databases, ensuring reliability and performance <...