Jonah Eastin

SHY (shyapps.com) · Remote

• Architected and shipped a production Flutter/Dart mobile app with Supabase backend, Vertex AI integration, Stripe monetization, and 300+ Edge Functions. Live at shyapps.com.
• Own full product lifecycle: system design, mobile development, cloud deployment, and iteration based on user feedback.
• Cross-platform on iOS, Android, and web.

Self-Directed Projects · Remote

• Built DealerHunt-PRO — vehicle auction and marketplace sourcing platform using Next.js 15, TypeScript, Playwright/patchright scrapers on GitHub Actions, Supabase Realtime, and Gemini AI for automated valuation. 900+ commits.
• Built Zeus — prototype Rust compiler for a custom systems language (.zs → C + native binaries); enforces zero-heap memory, Z3-backed compile-time assertion proving, and side-channel hardening for secret variables.
• Built Life — personal and small-business organization suite built around an issue-tracker structure; Supabase backend.

North Park Auto Center · St. Louis, MO

• Diagnose and restore severely flood-damaged, submerged, and fully unresponsive vehicle electrical systems across GM, Stellantis, BMW, Mercedes-Benz, and Audi platforms — more than 50 full flood-vehicle recoveries, each involving 10 or more modules replaced, programmed, and returned to service.
• Repair control modules at the circuit-board level using UART and BDM bench tools, including chip-level processor transplants and EEPROM read/write recovery on modules other shops write off as unrepairable.
• Maintain paid factory-level OEM subscription accounts (GDS2/SPS2/Techline Connect, wiTECH 2.0, ISTA, XENTRY, ODIS); all programming performed with manufacturer-authorized software rather than aftermarket workarounds.
• Program keys and immobilizer systems using the full Autel Pro suite (IM608); trained independent locksmiths and shops across Missouri and Texas.

Independent Contract Work · MO, TX, AZ, IN

• Contracted by repair facilities and body shops in four states to resolve network communication failures, gateway lockouts, and module programming problems beyond the scope of on-site technicians.
• Perform on-site and bench-level module recovery, programming, and network restoration on vehicles other shops could not fix.

Charter Communications (Spectrum) · St. Louis, MO

• Installed and serviced cable, internet, and network equipment in residential environments.
• Diagnosed and resolved connectivity and hardware faults independently in the field.