Full-Stack Software Engineer & Open-Source Contributor
Building resilient React Native mobile architectures, high-performance web systems, and real-time telemetry engines.
- Cross-Platform Mobile: React Native, Expo, Onyx reactive stores, offline-first architectures, native layout debugging (iOS / Android).
- Modern Full-Stack Web: Next.js 14 (App Router), TypeScript, Tailwind CSS, WebGL / 3D spatial rendering (Three.js), REST & GraphQL.
- Backend & Systems: Node.js, Python (FastAPI), Redis caching, PostgreSQL, asynchronous queue dispatchers, crypto hashing algorithms.
- Open-Source & Bounties: Active contributor to large-scale multi-platform codebases (Expensify/App, Algora ecosystem), resolving production bugs, UI rendering issues, and workflow state corruptions.
Live real-time space weather observatory & telemetry dashboard.
- Next.js 14, Tailwind CSS, interactive 3D Solar Globe, and automated ingest pipelines for NASA DONKI & NOAA SWPC space telemetry.
- 100% responsive, high-speed modular architecture with zero-latency live updates and internationalized multi-language HUD.
Active contributor to the financial collaboration and chat platform.
- Diagnosing complex state reconciliations, Onyx cache invalidations, and multi-platform React Native rendering edge-cases.
Cryptographic data integrity utility.
- Implemented SHA-3 (Keccak-256) hash calculations, responsive table reporting, and streaming export modules.
Languages: TypeScript, JavaScript (ESNext), Python, SQL, Bash
Frontend: React, React Native, Next.js, Tailwind CSS, Framer Motion, Three.js
State & Data: Onyx, Redux, Zustand, Redis, PostgreSQL
Tooling: Git, GitHub Actions, Docker, Vite, Webpack, Jest, ESLint
Platforms: Vercel, AWS, Linux, Windows Terminal Automation
- Upwork: hire-jesus-barrios
- Contact:
Jesusggiraldo1999@gmail.com