Sebastián Varela

Full Stack Developer

I create complete, efficient, and scalable solutions, with accessible and intuitive interfaces.

View CV

about

I am a highly passionate developer who loves creating accessible, optimized, and high-performance user interfaces with a solid structure.

In the past and throughout my journey, I have had the opportunity to learn and work with different environments and technologies such as React, TypeScript, Node.js, Express.js, and Java, which have allowed me to strengthen my skills as a full-stack developer.

I stay at the forefront of new technologies and best practices that emerge, standing out for my desire for growth and willingness to learn new things.

experience

2025 — PRESENTE

Full-Stack Junior Devleoper - Informa Colombia

  1. React
  2. TypeScript
  3. HTML/CSS
  4. React
  5. Java

2023 — PRESENTE

Freelance Developer

I am responsible for developing and maintaining modern web applications using Next.js and React.js as the main technologies. I have implemented complete dynamic websites from scratch that meet the highest standards of performance, accessibility, and optimization, prioritizing the implementation of best practices whenever possible.

  1. JavaScript
  2. TypeScript
  3. HTML/CSS
  4. React
  5. Next.js
  6. Node.js

2021 — 2023

Junior Developer - Talent.com

I was responsible for creating web crawlers that extracted and analyzed the gathered information using pure JavaScript, PHP, and XML. I maintained and created scalable and sustainable algorithms. I made AJAX requests to APIs and JSON files for subsequent extraction.

  1. JavaScript
  2. PHP
  3. XML

2020 — 2021

Full-Stack Junior Developer - Soul IT

I developed and maintained Full Stack web applications built with Spring Boot using REST and SOAP API services. I focused on creating efficient and optimized solutions that provided a good user experience and long-term scalability, using best practices in architecture and performance. I also worked with databases such as PostgreSQL.

  1. JavaScript
  2. HTML/CSS
  3. Java
  4. Spring Boot
  5. jQuery
  6. PostgreSQL

projects

Yesti App

Yesti App

Web application for managing receipts and financial facilitation. In it, you can upload your receipts from various Colombian banks to better manage your financial life.

  1. React
  2. Next.js
  3. TypeScript
  4. Tailwind CSS
  5. shad/cn
Pomodoro App

Pomodoro App

Customizable Pomodoro timer. The main goal of this application is to help you stay focused on any task you need, whether it's work or study.

  1. Next.js
  2. Tailwind CSS