Cristian Duarte
Software Developer
Summary
Software developer with experience across the whole delivery cycle: API design, data modeling, real-time processing, user interfaces and the infrastructure they run on. Has taken projects from initial architecture through to production, including deployment, monitoring and maintenance. Works mostly with Go and TypeScript and favors simple, maintainable solutions over added complexity.
Experience
Technical Support Intern
SONDA · Bogotá, Colombia (On-site) · Apr 2026 - Oct 2026
- Handled and resolved users' hardware and software incidents, managing tickets within service-level times.
- Diagnosed faults and documented solutions, working with technical teams at different support levels.
Software Developer
Papyrus · United States (Remote) · Jan 2025 - Jul 2026
- Designed and built full-stack architectures end to end, from Go/Fiber APIs and real-time data processing to React, Remix, and Next.js interfaces.
- Modeled and optimized data layers across MongoDB, PostgreSQL, and Redis, and owned deployments on Dockerized Linux VPS environments behind Nginx and Cloudflare.
- Integrated Stripe for subscription billing, instrumented monitoring and error tracking with Sentry, and drove delivery through Git and Jira in an agile workflow.
Projects
Cuadremos (In progress)
A REST API for splitting shared expenses and settling up, held to production standards from the first commit.
Technologies: Java, Spring Boot, PostgreSQL, Flyway, JWT, GitHub Actions
Neighborhood
A mobile community app built with Expo and React Native to connect neighbors, share local updates, and coordinate safer neighborhoods.
Technologies: Expo, React Native, TypeScript, Mobile, Google Play, Android
Skills
- Languages: Go, TypeScript, JavaScript, Java, SQL
- Backend: Go Fiber, Spring Boot, REST APIs, Real-time data processing, JWT authentication, Stripe
- Frontend: React, Next.js, Remix, React Native, Expo
- Databases: PostgreSQL, MongoDB, Redis
- Infrastructure: Docker, Linux, Nginx, Cloudflare, GitHub Actions, Sentry
- Tools: Git, Jira
Education
Associate's Degree in Software Analysis and Development
SENA · Jun 2024 - Apr 2026