Work
Systems I have built and run, ordered by what matters to a technical reader rather than by date.
Polymarket market making
LiveAn automated market maker quoting index, commodity and event markets, priced from its own models rather than from the venue's midpoint.
- +$39,866Net result
- $4.95MNotional
- 2,924Markets
- Python
- asyncio
- IBKR TWS API
- WebSocket
- +4
Balobrador ordering and payments
LiveA full-stack ordering system for a cheesecake shop near Madrid: catalogue, cart, pickup scheduling and Stripe card checkout, with every price set on the server rather than in the browser.
- Oct 2025Live since
- StripeCard payments
- Stripe
- Astro
- React
- TypeScript
- +4
Options payoff visualiser
LiveSixteen option structures with payoff diagrams that recompute as you move a single variable. Built to sharpen my own intuition for how strike, premium and the underlying's price shape a position at expiry.
- 16Structures
- EN · ESInterface
- Next.js
- React
- TypeScript
- Tailwind
Market scanner and content pipeline
LiveAgents that watch prediction markets continuously for pricing anomalies, plus an unattended pipeline that turns a written script into a finished narrated video without a person touching the timeline.
- 24/7Coverage
- 0Manual steps
- Python
- Astro
- ElevenLabs
- Whisper
- +2
Seasonality and relative-performance dashboard
Hosted demoA research dashboard over 47 assets running seasonal-trend decomposition with configurable significance thresholds, plus multi-asset relative-performance comparison. Updates daily.
- 47Assets
- DailyRefresh
- Python
- Streamlit
- statsmodels
- Plotly
- +1
Other production sites
I have also designed, built and shipped production sites for other Madrid businesses, solo and end to end. One is public:
- Dra. Lucía OlmosMedical practice — Astro, Tailwind, Cloudflare Pages
Three further sites are not linked at the client's preference.