Backend Developer · Systems Engineering Student · Competitive Programmer

I'm a Colombian full-stack developer with a strong focus on backend systems, currently in my 9th semester of Systems Engineering at Universidad Francisco de Paula Santander (graduating early 2027). I love building scalable APIs, distributed systems, and microservice architectures.

• 🔧 Backend development with Java, TypeScript, Python, and Go
• 🏗️ Microservices, distributed systems, and cloud infrastructure
• 🏆 Competitive programming — Top 8 at XXXIX Maratón Nacional ACIS REDIS 2025
• 👥 Leader of the Competitive Programming branch at SILUX (since 2022)
• 📚 Learning Kubernetes and Terraform next
• 🌐 Open to remote internships / junior backend roles

Languages

Backend

Frontend

Infrastructure & DevOps

Databases

Event-driven microservices · Java · TypeScript · Python · GCP Cloud Run · SSE

AI-powered schedule manager for UFPS students. Recommends elective courses and timetables using a chatbot. Built with 4+ microservices, concurrent service orchestration, in-memory caching, Server-Sent Events, and serverless deployment on GCP Cloud Run.

📦 Repos: Backend · Fetcher · AI Chat · Orchestrator · Frontend

Spring Boot · React · Full-stack · Thesis project

Centralized information system for the Digital Fabrication Lab at UFPS, replacing scattered Google Forms and Excel files. Generates Excel reports and PDF templates. Actively developed as my thesis project.

📦 Repos: API · Frontend

Express · React · RabbitMQ · Docker · Asynchronous microservices

Online judge for competitive programming problems built for a Microservices course. Services communicate asynchronously via RabbitMQ; Docker containers are spun up programmatically to run user submissions in isolation.

📦 Repos: Users · Problems · Runner · Contests · Stats · Frontend

Go · Hexagonal Architecture · Docker · Unit Testing

Authentication and user management microservice in Go, applying Hexagonal Architecture. Focus on clean code, unit testing, and AI-assisted development practices.

React · Express · TypeScript · GCP Cloud Run

Timetable simulator and group explorer for UFPS Systems Engineering students. API docs (Swagger)

📦 Repos: Frontend · Backend

Django · React · Unit testing · Conventional commits

Credit sales automation app. Introduced me to unit testing, proper git workflows, and conventional commits.

• 🥈 Top 8 — XXXIX Maratón Nacional de Programación ACIS REDIS 2025
• 👥 Leader — Competitive Programming branch, SILUX research group (2022–present)
• 📜 Bootcamp Programación Intermedio — TalentoTech Oriente, Sep 2025
• 🔗 Competitive profiles: Codeforces (marles27) · LeetCode

📧 jamarlesf@gmail.com · 📍 San José de Cúcuta, Colombia