SELECTED WORK
Built to make a difference.
01 / Ride-hailing & delivery platformProductionUNLA LA
A production mobility platform coordinating riders, drivers and operations teams from booking request to completed ride.
02 / Education, LMS & school publishingProductionByteLift
A Rails and Expo education platform connecting robotics curriculum, classroom management, digital books, assessments, and student progress.
03 / Passenger ticketing & cargo logisticsLive · Ongoing developmentBus Bay
A bus ticketing and cargo platform connecting passengers, terminal teams and conductors through booking, payments, QR tickets and package handoffs.GitHub Contributions
View on GitHub1,996 contributions in the last 12 months · Updated Sep 16, 2026, 6:25 PM
Experience
From architecture
to production.
I lead systems through planning, implementation, deployment and long-term improvement—while staying close to the code.
Discuss an opportunitySoftware Development Consultant
ByteLift Education
Building web, mobile and AI-powered education products.
Chief Technology Officer
UNLA LA Corporation
Leading mobility, booking and operations platforms from architecture to deployment.
Senior Software Engineer
SkinStation
Developing booking, commerce, membership and enterprise integration workflows.
Full-Stack Software Engineer
Consulting & client systems
Delivering healthcare, education, ERP, logistics, finance and operations software.
Technical focus
Product engineering
Ruby on Rails · React · Next.js · React Native · Expo · Kotlin
Data & real-time
PostgreSQL · MySQL · Redis · Sidekiq · WebSockets · AnyCable
AI systems
RAG · pgvector · Whisper · Ollama · LLM integrations
Infrastructure
AWS · DigitalOcean · Docker · Nginx · Cloudflare · CI/CD
Contact
Let's build something great.
Open to senior engineering opportunities and meaningful collaborations. Tell me what you're working on and I'll get back to you.
rorens05@gmail.com