Jhonny aranajhonny

Hi, I'm Jhonny 👋

Senior Software Engineer with 7+ years building production systems, AI agent runtimes, and real-time infrastructure.

📍 Colombia, Venezuela | 🎓 B.S. Computer Engineering

Languages & Core: Rust TypeScript Python Node.js React WASM
AI / LLM Infra: Agentic Workflows (MCP) RAG Vector DBs
Backend & Cloud: PostgreSQL MySQL Redis Docker WebSocket IoT Telemetry

Membrane | Senior AI R&D Engineer (2019–2020, 2023–2026)
- Co-architected an AI Web IDE for autonomous LLM code execution in cloud sandboxes.
- Built custom virtual filesystems with diff tracking, conflict resolution, and deep VS Code extensions.
- Designed real-time WebSocket sync and optimized npm dependency/cache resolution subsystems.
s2tindustriales.com | Senior Engineer (2026–Present)
- Architected an end-to-end IoT thermal monitoring platform processing encrypted real-time telemetry via WebSockets, Redis, and MySQL.
Wai.lat | AI Engineer (2026)
- Engineered a multi-tenant WhatsApp AI SaaS featuring RAG context engines, prompt stacking, anti-hallucination guardrails, and human handoff protocols.
Alphas Remote Team | Lead Frontend Engineer (2020–2022)
- Led frontend architecture for enterprise-grade applications, including port monitoring dashboards and executive legal tools.

Vlk MCP Server: Memory-as-action engine for AI agents backed by SQLite WAL.
BPE Tokenizer (Rust + Python): High-performance Byte Pair Encoding tokenizer using PyO3 with custom domain vocabulary injection.
Zero-Hallucination RAG: Precise transcript search and ingestion system built on 900+ Lex Fridman episodes.

Currently open for Contract & Freelance opportunities in Rust, WASM, AI/LLM Infra, IoT, and DevTools.