Juan Camilo Zúñiga

Santa Marta, Colombia · Remote

End-to-end delivery of cross-platform products, integrating complex backend logic with polished user-facing apps.

• Mobile athletic training and blog application.
• Industrial recycling scheduling and management platform.
• Enterprise web performance optimization and redesign.
• Hotel reservation MVP and inventory-distribution logistics MVP.

Skills: React Native, Expo, React, Next.js, Angular, Redux, NestJS, Astro, Spring Boot, ASP.NET Core

Barranquilla, Colombia · Remote

Led the development and migration of enterprise fintech and accounting SaaS platforms, from NestJS and ASP.NET Core backends to Next.js and Astro frontends.

• Improved scalability and concurrency of core systems, reducing latency by 17%.
• Led legacy modernization and technical-debt reduction, lifting team productivity by 12%.
• Defined engineering standards and design patterns for consistency across platforms.
• Designed SQL/NoSQL data models and workflows that increased system throughput.
• Acted as technical lead on full-stack initiatives aligned with business goals.

Skills: React, Next.js, Angular, Astro, Tailwind, NestJS, ASP.NET Core, Spring Boot, Docker

SpaceX launch visualizer built with Go and Next.js, hexagonal architecture and 100% infrastructure as code.

https://github.com/cd-janz/efRouting_test

A lean, Lua-based Neovim setup built to free RAM for the services I actually run, without giving up a full-stack workflow.

Training focused on the intersection of system logic and enterprise architecture: clean code, microservices and full-stack integration.