Software Engineer • Android Developer • AI Product Builder
Building thoughtful software that preserves context, reduces cognitive load, and helps people turn intentions into action.
I'm Catalino Rodriguez, but you can call me C Rod.
I'm a U.S. Army Combat Veteran turned software engineer who is obsessed with building software people can actually use.
My current focus is PersonalOS — a growing ecosystem of Android-first, offline-first applications that combine local data, AI-assisted intelligence, and thoughtful product design to help people make better everyday decisions.
I am less interested in building another generic chatbot or task manager and more interested in creating software that:
- preserves personal context
- reduces decision fatigue
- restores unfinished intentions
- transforms raw data into useful guidance
- improves through real-world daily use
Every project begins with a genuine problem from my own life. I build the first version, use it, identify what feels wrong, and rapidly iterate until the software becomes genuinely useful.
PersonalOS optimizes for continuity.
PersonalOS is my long-term vision for a connected collection of focused applications that manage life domains the way an operating system manages computer resources.
Each application solves one domain well. Together, they create a broader layer of personal context.
| Product | Domain | Purpose |
|---|---|---|
| 🏈 DynastyOS | Fantasy Football | Dynasty roster, trade, draft, and league intelligence |
| 🎬 SceneOS | Entertainment | Personal viewing library, queue, progress, and decision support |
| 💬 SocialOS | Social Confidence | Conversation practice, daily missions, and reflection |
| 📈 WTOS | Investing | Options trading, portfolio, premium, and risk intelligence |
| 🏋🏽 TrainerOS | Fitness | Planned training, progress, and workout context |
| Travel | Places visited, future destinations, and trip intentions | |
| 🚗 AutoOS | Vehicles | Maintenance history, costs, receipts, and reminders |
| 🏠 HomeOS | Home | Repairs, maintenance, supplies, and household context |
| 🍳 KitchenOS | Food | Ingredient awareness, meal ideas, and kitchen planning |
An executive front office for dynasty fantasy football.
DynastyOS transforms Sleeper league data into understandable roster, competition, trade, draft, and franchise intelligence.
Key capabilities
- Sleeper league and roster synchronization
- Organization-wide roster intelligence
- Player and positional ranking context
- Trade package construction
- Trade fairness and value analysis
- Draft capital tracking
- Franchise transaction and draft history
- League leader comparisons
- Draft War Room recommendations
- Executive player briefs
- Android-first mobile experience
Built with
React TypeScript Capacitor Android SQLite Sleeper API
An offline-first entertainment decision engine.
SceneOS helps people organize what they have watched, remember what they wanted to watch, and choose what to watch next without falling back into endless scrolling.
Key capabilities
- Personal movie and television library
- Intention-driven viewing queue
- TMDB search and metadata
- Per-season television progress
- Streaming availability context
- Continue Watching
- Queue randomization
- Mood-based discovery
- Personal ratings and reflections
- Android home-screen widget
- Local SQLite persistence
Built with
React TypeScript Capacitor Android SQLite TMDB API
An AI-assisted training environment for social confidence.
SocialOS provides low-pressure practice for starting conversations, developing curiosity, reading social cues, and reflecting on real-world interactions.
Key capabilities
- Daily social missions
- Pocket Mode for in-the-moment preparation
- AI conversation simulation
- Scenario and character engines
- Conversation-thread detection
- Reflection and adaptation loop
- Social toolkit
- Dad jokes, conversation starters, and observational prompts
- Local progress tracking
- Provider fallback architecture
Built with
React TypeScript Capacitor Android SQLite Gemini API
A personal options-trading and portfolio intelligence platform.
WTOS organizes positions, premiums, performance, risk, and trading context into a focused decision-support system.
Key capabilities
- Options position tracking
- Premium income analysis
- Covered-call performance
- Portfolio comparison
- Performance calendar
- Position history
- Risk and assignment context
- What-if portfolio analysis
- Backup and restore workflows
- Mobile-first dashboard
Offline first
Local data ownership
SQLite from the foundation
Android-first user experience
AI as intelligence, not decoration
Context over complexity
Real problems over demo projects
Rapid iteration through daily use
Human-centered decision support
Products over feature checklists