L
leônidas augusto
/ senior full-stack engineer
about
projects (21)
experience
blog
github ↗
linkedin ↗
EN
/
PT
›
categories
ai · llm
3
web3 · trading
6
devtools · cli
2
web apps
9
infra · homelab
1
⟲
+
−
100%
drag
pan
scroll
zoom
/
search
esc
close
leônidas augusto — projects
tradeOS
— Real-time market-context dashboard: tracks 51 assets across 5 timeframes and runs a decision engine (trend, liquidity zones, setup readiness) over live Binance data.
Mr. Knowledge
— Live-audio desktop copilot: captures audio with a Rust pipeline (cpal/ring buffer), transcribes in real time (Deepgram/AssemblyAI) and streams LLM suggestions to a low-latency overlay.
Readest Fork
— Fork of the Readest ebook reader (Tauri + React) with offline inline translation: a self-hosted CTranslate2/NLLB-200 server running on GPU (CUDA), cutting reliance on paid translation APIs.
Books
— Personal platform that processes books (EPUB/Markdown) into structured notes with an LLM and presents them in a Next.js editorial reader, self-hosted on the homelab with automatic deploy.
Signals
— Self-hosted tool that ingests trading signals from private Telegram channels (MTProto), stores them in PostgreSQL and shows them in a Linear-style UI — with a vision pipeline (Claude) that reads price levels straight from chart screenshots.
Jarvis
— Native Android voice assistant (Kotlin/Jetpack Compose) with wake-word that talks to a self-hosted AI agent over WebSocket — transcription (Whisper), LLM reasoning and spoken replies (ElevenLabs).
Rosary
— Mobile-first PWA that guides the Rosary: bead/decade tracking, mysteries, ambient audio and offline support.
Serpa English
— SaaS to sell and deliver English courses: auth, student dashboard, catalog, checkout and customer portal with Stripe, and Supabase persistence with row-level security.
Echoes
— Quantitative research on trading strategies (pairs, momentum, mean reversion) with rigorous methodology — Johansen cointegration, CPCV walk-forward and overfitting tests (DSR/PBO) over Binance data.
NFT Campaign Platform
— Web3 app for creating and interacting with NFT campaigns: wallet integration, listing, reveal/mutation and smart contracts.
Crypto Analytics
— Real-time crypto analytics dashboard with interactive visualizations to follow price behavior, volume and market signals.
AI Analysis Platform
— Platform integrating LLMs to analyze text, images and video, using conversational memory and context retrieval.
Datafleet 2.0
— Web and mobile app for monitoring machines and fleets: telemetry data, geofencing, maintenance alerts and utilization KPIs.
Datafleet
— Admin portal for equipment management: maintenance, operational history, alerts and PDF report generation.
Healthcare Platform
— Healthcare platform connecting patients and physicians, with accessible components and optimized performance (90+ Lighthouse, -40% initial load).
Headless Storefront
— Headless e-commerce storefront in Vue 3/Nuxt 3, with a 20+ component library in Storybook and asset optimization for mobile conversion.
FarmaFácil
— Pharmacy management system: .NET Core and Vue.js apps (monolith + microservices), focused on modularity and scalability of the core systems.
Homelab
— Homelab with Proxmox (VMs + LXC) and Docker services (Home Assistant, Frigate, Pi-hole, *arr…) provisioned with Ansible, plus an operational dashboard (Next.js + React Flow) with topology, status and an AI-agent chat.
Obsidian Vault
— Personal Obsidian knowledge base with Python automation: mirrors a Google Drive library (rclone), generates Markdown inventories and organizes reading orders.
AI Security Map
— AI Security / AI Red Teaming learning map (OWASP LLM Top 10, prompt injection, RAG attacks, agent/MCP security), built as a static Astro site.
Trading Knowledge
— Trading learning map with animated SVG illustrations and interactive charts (lightweight-charts), in Astro — self-hosted with a custom deploy (verified build, health-check and automatic rollback).