Hey, I'm Cristian!

Software developer with 3+ years of experience building web and mobile applications for startups and international companies using Next.js, Node.js, NestJS, and AWS. I specialize in turning complex problems into reliable, maintainable, and high-impact products.

Work Experience

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Software Developer

Levels Health

Nov 2024 - May 2026

Designed, developed, and maintained applications focused on performance and quality, delivering new features and optimizing code to improve system stability. Contributed to an automotive scheduling platform integrated with APIs, automating appointment and work order creation to enhance operational efficiency. Additionally, optimized and debugged a digital health application, reducing issues and improving overall platform performance.

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Software Developer

Nuawi Technologies

Dec 2023 - Sep 2024

Responsible for the components and utilities for the creation and development of web applications. Improved software delivery times by 30%. Implemented unit tests to validate critical functionalities, detect errors early, and maintain high development standards.

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Fullstack Developer

Make It Real

Jun 2023 - Nov 2023

Launched an e-commerce for restaurants in 10 weeks, enabling online reservations, orders, and payments. Migrated a legacy codebase for an animal foundations project to more modern technologies within two weeks and developed new functionalities.

Projects

Levels Health

React Native
Next.js
Tailwind
Zustand
Graphql
AWS
PostgreSQL

Levels is a digital health platform focused on tracking and interpreting health data over time. It combines a web application with native iOS and Android apps, enabling users to monitor trends, follow structured programs, and stay engaged across devices.

Main Street Auto

React
Tailwind
Zustand
Playwright
Express.js
PostgreSQL

MainStreet Auto is a customer-facing web application for scheduling car repairs, exploring shop locations on a map, and tracking service orders. Delivered as a Progressive Web App (PWA), it supports installation, offline capabilities via a service worker, and a seamless experience across mobile and desktop devices.

Emprendegan

Next.js
Sass
Redux
Nest.js
PostgreSQL
TypeORM
Jest

Emprendegan is an application designed to facilitate livestock and agricultural management. Built on a microservices structure with clean architecture and domain-driven design, it becomes a robust solution capable of being implemented independently of the technologies chosen. It integrates with Google's weather API, allowing farmers to take preventive measures ahead of rain and drought periods, also with Almagan, simplifying the acquisition of food, tools, and supplies.

Steel Lab

Next.js
Sass
Redux
Nest.js
MongoDB
AWS

Steel Lab is a software designed to ease the management of all processes in companies that provide quality testing solutions for the steel industry. Built on a serverless microservices architecture and linked to the AWS cloud via Lambda functions, Steel Lab becomes a fast, versatile, and cost-effective solution for automating processes. The software is integrated with the Siggo API and linked with Dropbox SDK, enabling massive uploads and storage of information.

Carwash 360°

Next.js
Redux
Nest.js
MongoDB
PostgreSQL
Prisma
Jest

Autolavado 360° is an ERP designed with a multitenant architecture, aimed at providing solutions for car wash chains in managing the entire operational and administrative scope of each of their registered headquarters. You can manage personnel, supplies, equipments, services, customers, third-party agreements, income history, settlements, parking lots etc. In addition, it allows the creation of electronic invoices for the DIAN, collection accounts for agreements and notifications sending to clients and allies.

Adogta Foundation

React
Redux
Express.js
MongoDB

Adogta is a web application that connects pet foundations with individuals interested in adopting a furry companion. As a user, you can browse pets that foundations have available for adoption. If you find one you like, you can send an adoption request or contribute to their cause by making a donation. As a foundation, you can create and manage pets through a highly intuitive interface.

Rica App

React
Sass
Redux
Express.js
PostgreSQL
Prisma

Rica App is an e-commerce developed with React and Express that allows to place delivery orders from your favorite restaurant and also make reservations. Payments can be made through the Stripe payment gateway. As a restaurant owner, you can efficiently manage your menu, offering functionalities to add, edit, delete, and view products. Finally, as an administrator, you have the capability to manage both customers and restaurants.

About me

I'm a Full Stack Developer focused on building scalable applications using modern JavaScript technologies. Throughout my career, I've worked on products used by thousands of users, developing everything from web and mobile interfaces to APIs, microservices, and cloud infrastructure. My experience includes Stripe payment integrations, event-driven architectures, asynchronous processing, AWS, Docker, and AI-assisted development workflows.

I enjoy solving complex problems, optimizing existing systems, and collaborating with cross-functional teams to deliver high-quality solutions that create real business impact.

I'm currently open to remote opportunities where I can continue growing as a software engineer and contribute to innovative products that make a difference.