I am Luis del Rio Francos, a backend engineer with 14+ years of experience building scalable systems from scratch. I specialize in Go and Python, cloud-native architecture, and delivering robust platforms and efficient data pipelines. I have a proven track record leading cross-functional teams, modernizing legacy systems, and delivering mission-critical applications in energy technology and educational tech. I’m passionate about architecture, security, and enabling fast, reliable deployments in cloud environments.

Luis del Rio Francos

I am Luis del Rio Francos, a backend engineer with 14+ years of experience building scalable systems from scratch. I specialize in Go and Python, cloud-native architecture, and delivering robust platforms and efficient data pipelines. I have a proven track record leading cross-functional teams, modernizing legacy systems, and delivering mission-critical applications in energy technology and educational tech. I’m passionate about architecture, security, and enabling fast, reliable deployments in cloud environments.

Available to hire

I am Luis del Rio Francos, a backend engineer with 14+ years of experience building scalable systems from scratch. I specialize in Go and Python, cloud-native architecture, and delivering robust platforms and efficient data pipelines.

I have a proven track record leading cross-functional teams, modernizing legacy systems, and delivering mission-critical applications in energy technology and educational tech. I’m passionate about architecture, security, and enabling fast, reliable deployments in cloud environments.

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Experience Level

Expert
Expert

Language

Spanish; Castilian
Fluent
English
Fluent
German
Beginner

Work Experience

Co-Founder & CTO at MW-scale Battery Storage (Energy Tech startup)
November 20, 2021 - Present
Built a real-time control system for MW-scale battery storage and automated energy trading. Architected a secure hybrid infrastructure using Go/Python microservices on GCP with WireGuard VPN to industrial networks. Developed a complete platform and achieved regulatory certification (FRR) in the Netherlands.
Lead Backend Developer at Lupe Toys (AI / Lupe Toys)
April 1, 2019 - August 31, 2021
Led backend team (4 engineers) in an Agile environment, migrating a Django monolith to microservices on Kubernetes. Owned infrastructure with Terraform and CircleCI, and supported data team with ETL pipelines.
Lead Backend Developer at AI / Lupe Toys
September 1, 2016 - March 1, 2019
Built a full-stack IoT platform for educational smart toys; pivoted to an ML-based creative asset platform using clustering algorithms.
Senior Backend Developer / Team Lead at FinTech / Back Office Tools (Consulting)
November 1, 2015 - August 31, 2016
In charge of back-office tool maintenance for a PHP/Zend monolith fintech credit management system. Modernized the system with Node.js microservices for banking integrations.

Education

Add your educational history here.

Qualifications

FRR Regulatory Certification (Netherlands)
January 11, 2030 - February 26, 2026

Industry Experience

Energy & Utilities, Education, Software & Internet, Professional Services, Manufacturing