I am Rodrigo Flávio (@Rodrigoue9), a Full-Stack & Web3 Software Engineer specializing in high-reliability TypeScript, React/Next.js, Node.js, Rust/Soroban (Stellar), and distributed systems. I actively ship production features, smart-contract integrations, and automated test suites across open-source ecosystems (GrantFox, Stellar Wave, Drips Wave, SaaS OSS).
- 🌟 Stellar & Web3 Engineering: Non-custodial Soroban escrow integrations,
@stellar/stellar-sdk,@stellar/freighter-api, SEP-1/SEP-7/SEP-10 flows, OAuth wallet linking, and deterministic on-chain verification. - ⚡ Full-Stack & Architecture: Next.js App Router (SSR, Satori OG cards, row-level access control), Prisma/PostgreSQL, REST/GraphQL APIs, BFS graph validation, and zero-flakiness Vitest/Playwright suites.
- 🔗 GrantFox Profile: contribute.grantfox.xyz/public/profile/Rodrigoue9
| Project / Ecosystem | Pull Request | Engineering Scope & Impact | Status |
|---|---|---|---|
| Astrea Payouts (Stellar Soroban) | #214 | GitHub OAuth Wallet Linking & Builder Profile (#200) — Signed state cookies, repo ownership verification (checkRepoOwnership), Prisma schema, and SSR public participation profile |
✅ Merged |
| Astrea Payouts (Stellar Soroban) | #213 | On-Chain Payout TxHashLink Verification (#211) — Explorer transaction proof links for released prizes on public event pages + Vitest suite |
✅ Merged |
| Bitcoindefi / OpenAO (GrantFox) | #218 | World-Builder NPC Placement & Map Persistence API (#8) — Full placement, movement, and atomic persistence engine with unit tests |
✅ Merged |
| OpenStatus (Monitoring SaaS) | #2631 | Configurable CHECKER_URL & Self-Hosted Error Diagnostics (#2573) — Environment validation and resilient healthcheck error handling |
✅ Merged |
| OpenStatus (Monitoring SaaS) | #2590 | Subscribers Data Table Filtering Fix (#2538) — Removed restrictive default active status filter in dashboard |
✅ Merged |
| Documenso (Open-Source DocuSign) | #3262 | Lingui i18n Pluralization in Command Menu (#3207) — Localized plural forms for search results and item counters |
✅ Merged |
| Documenso (Open-Source DocuSign) | #3260 | Bulk Download Limit Pluralization (#3209) — Internationalized alert messages and regression checks |
✅ Merged |
- Astrea Payouts #224 (
#203) — Dynamic 1200×630 Satori OpenGraph cards, zero-dep SVG QR generator, and A4 print payout receipt. - Astrea Payouts #251 (
#64) — Public event page (U03) with row-level field exposure guard, on-chain commitment badge, React Bits Border Glow prize cards, and payout history. - Bitcoindefi / OpenAO #111 & #379 (
#10) — Extended asset palette validation schemas & BFS map exit connectivity checker with atomic rollback.\n- OpenStatus #2588 & Documenso #3275 — Subscriber email verification flows & transactional email template layout improvements.
Available for scoped engineering, Web3/Stellar integrations, full-stack architecture, and open-source bounties:

