Also known as LkSvn 🐿️ — a Brazilian web developer with 15+ years of experience building websites, web applications, REST APIs, and SaaS platforms.
I like turning real needs into useful software, from local-first personal tools to reusable developer workflows. My current work combines TypeScript, React, Node.js, data modeling, automation, and AI-assisted development. 🤖
- 🛠️ Building practical tools around personal finance, career data, and game-market analysis
- 📚 Deepening my work with TypeScript, React, software architecture, and local-first applications
- 🚀 Open to full-time and freelance opportunities
📈 Flip Lab
A local Path of Exile market-analysis dashboard built with TypeScript, React, Vite, Node.js, and SQLite. It combines live economy data with local stash history to rank opportunities, track wealth, compare snapshots, and surface market signals.
A privacy-friendly, local-first personal-finance system for Obsidian, with recurring transactions, installments, dashboards, Bases, and QuickAdd workflows.
A portable, file-based protocol and set of AI skills for maintaining fact-checked career data and generating resumes without mixing evidence, personal projects, and professional experience.
A TypeScript and Next.js learning project for modeling companies and job opportunities with PostgreSQL, Prisma, repository contracts, runtime validation, and automated tests. It is currently paused while I focus on other projects, but remains an important architecture lab I intend to revisit.
- Modern Web Development
- SaaS Platforms
- Software Architecture
- REST APIs
- Developer Experience
- 🤖 AI Integrations
I enjoy building software that solves real problems.
I believe the best way to learn new technologies is by building real projects, understanding architectural decisions and continuously improving previous solutions.
Technologies change. Good engineering principles endure.
📖 Learning by building since 2009.
