Product Engineer

Cristian Ruiz.

I build products end to end, from the backend systems that keep them running to the interfaces people use every day. I care about shipping things that solve real problems and scale with them.

01 Expertise

10+ years of experience: Designing and building scalable backend systems across retail, automotive, and energy sectors
Technical mentorship: Guiding developers through code reviews, pair programming, and architectural decisions
Distributed systems: Microservices, event-driven architectures, and high-availability systems design
Cloud & infrastructure: Kubernetes, CI/CD pipelines, and cloud-native architecture on GCP

02 Experience

Now

Working at MediaMarktSaturn, Europe's leading consumer electronics retailer, building and operating internal platforms that keep business-critical operations running reliably at scale.
Before

Built cloud-native solutions for CARIAD (Volkswagen Group) at Hexad. Designed event-driven architectures, implemented CI/CD pipelines, and established engineering best practices.
Architected automation systems at Effenmark and optimized workflows for their energy management platform.