Backend Developer · System Optimization · API Architecture
Designing and building reliable backend systems with clean architecture,
secure APIs, and databases that scale — using the right tool for the right problem.
const keylor = {
name: "Keylor David Barrantes Montero",
role: "Backend Developer & System Optimization",
focus: ["Backend Development", "System Optimization", "Software Architecture"],
learning: ["Cloud Infrastructure", "Distributed Systems", "API Design"],
funFact: "I once fixed a bug by reading the docs. Still don't know how that happened 📖",
};Building reliable backend systems and clean, efficient software — one commit at a time.
Languages
Frontend
Backend & Runtime
Databases
Testing
Tools
- 🎓 Pursuing a degree in Computer Engineering, focused on backend systems and software architecture
- 🔭 Building full-stack applications using React, Node.js, .NET and PostgreSQL
- 🧪 Practicing test-driven development with Jest and documenting APIs with Swagger
- 📐 Deepening expertise in system design, database optimization, and secure API development
- 🤝 Open to internships, junior roles, and collaborative open-source projects