Selected work, written up in detail.
A few of the systems I've built and run in production. Clients are anonymized; the engineering is real. For something you can click, see the demos.
A low-latency game network product, end to end
A full commercial product that routes game traffic through optimized, encrypted relays to cut ping, jitter and packet loss. It runs on a Rust engine at the system level, with a desktop app, licensing, billing, a customer portal and CI-deployed servers.
- Game trafficOnly the chosen game's packets, picked by a per-game filter
- Rust engineCaptures and tunnels the packets on the player’s PC
- Relay fleetEncrypted relays near the game server
- Game serverReplies come back the same way, unnoticed by the game
- Desktop app with live ping, jitter and loss
- Licensing, billing and a customer portal
- Relays deployed automatically from CI
A pricing and channel engine for a rental operator
An operations platform for a short-term rental business listing hundreds of units across five booking channels. It covers tiered dynamic pricing, a pricing calendar, controlled rate pushes through the channel manager, booking sync, role-based access and a full audit trail.
- Tiers and calendarEach day gets a demand tier, with holidays per city
- Pricing engineBuilding, category and tier rates, with cascading overrides
- Preview and pushChanges are reviewed, then pushed in two phases
- Channel managerAirbnb, Booking.com, Agoda, Expedia and VRBO
- Bookings sync back every 10 minutes and by webhook
- Role-based access
- Audit log with revert
Utility bills collected and reconciled automatically
A production platform that collects utility bills from 13 providers through portal scraping, emailed PDFs and uploads. It extracts and reconciles the amounts, writes them into the finance team's monthly workbook, and generates owner earnings reports with an approval step.
- CollectProvider portals, emailed PDFs and uploads
- ExtractAccount, period, amount and usage read from each bill
- ReconcileMatched to the right unit; mismatches flagged
- ReportWritten back to finance sheets and owner reports
- One plugin per utility provider
- Ops dashboard for every run
- Scheduled worker with retries
Want something like this?
You'll get a reply within 1 business hour, from me, with questions or a first plan and price.