Hey, I'm Alexander

+2 years of experience. Software Developer and Programming Enthusiast from Medellin, Colombia. Specialized in web application development.

Work Experience

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Web developer

Talent.com
July 2022 - June 2024

Optimized data management for job-based offers, resulting in a significant improvement in the performance of the extraction scripts. Implemented advanced JavaScript and efficient PHP techniques, reducing the execution time of the code. This not only promoted best practices in development, resulting in a more clean and maintainable code, but also significantly reduced the costs of computation in the cloud.

Projects

One Anime

Next.js
NodeJS
ExpressJS
PostgreSQL

Anime web application created with Next.js (frontend) and Node.js/Express (backend). It uses web scraping to feed a PostgreSQL database in Supabase and image management with Cloudflare R2.

AI Chat

AstroJS
Llama 3
Tailwind CSS

Chatbot that runs on your own computer for private conversations, without using the cloud or external APIs, using a language model based on Llama 3 and using AstroJS.

Users Dashboard

ReactJS
Tanstack
Tailwind CSS
Vitest

User management dashboard in React using native hooks, useContext, Tanstack Query and custom hooks. UI created with Tailwind and animations with ViewTransitions API. Tests implemented with Vitest.

References

Gabriela Acosta
Team manager at Talent.com

Alexander es un programador con habilidades técnicas sólidas, un desempeño impecable y a nivel de resolución de problemas es excelente. además, alexander es una persona íntegra, con valores éticos y morales, responsable y amigable. sin duda alguna lo recomiendo para cualquier equipo de trabajo donde pueda ser valorado y respetado.

About me

My name is John Alexander Calle but my friends call me Alex. I started programming 5 years ago. Since then I have been learning more and more, facing obstacles and overcoming myself.

Some of my strengths include relentless perseverance to overcome difficult moments and continue growing both personally and professionally. One of my achievements that I am proud of is fostering the learning and best practices of development among my colleagues in my last job.

I love facing complex challenges and providing solutions creatively and innovatively . I am always looking to improve my skills, keep you updated with the latest trends and best practices. I stand out for my focus on teamwork , The quality and commitment to the project's objectives. I am constantly challenged , but I also value teamwork. I am a strong believer in collaboration and leveraging collective strengths to solve problems efficiently.