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Mauricio Medrano
From Mexico 10:14 PM (GMT-06:00)
$11/hr or $18,000/yr

Active 59 minutes ago


Member since Sep 2026

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Front-end developer

Front-end Engineer
Available for hire
Years of experience
3+ years
Experience level
Mid-level
Available for
Full-time, Part-time, Contract

I started learning from a mentor who taught me everything I needed to. After about 3 years of full-time studying and working on personal projects, I got a job at Pennymac where I learned what it means to work on a big app with interconnected moving parts. But it was in my second job where I got to have much more agency over the fundamentals of a big app, and I got to work on all kinds of projects.

What makes me unique as a programmer is my love for optimization, simplification, automation, and efficiency, along with my experience working on component libraries and monorepos.

Employment History

UX Developer at Colomo.io 2024 - 2026
- Co-led the end-to-end refactoring of the whole app utilizing a variety of new technologies that vastly increased performance and accelerated development compared to the old app. As a result, accelerating the development roadmap by a full quarter. - Engineered a custom CLI tool utilizing Commander to synchronize Tailwind CSS configurations across various micro-frontends, eliminating styling inconsistencies. - Developed and maintained a robust custom component library using Shadcn, ensuring scalable and cohesive UI components. - Established foundational frontend architecture for a large-scale codebase spanning multiple repositories and custom libraries (parent routing repo, 3 micro frontends, component library, SDK library, and types library).
Software Developer at Pennymac 2023 - 2024
- Contributed to a complex React monorepo project, emphasizing web accessibility, thorough testing, and scalable architecture. - Implemented End-to-End (E2E) testing pipelines utilizing Cucumber, Jasmine, and WebDriver to ensure application reliability. - Built shared components for the internal corporate UI library, prioritizing design consistency, developer efficiency, and strict accessibility standards. - Spearheaded an initiative to audit and remove obsolete dependencies, significantly streamlining the codebase and reducing technical debt.

Education

B.A in Business Administration at Universidad de Especialidades (UNE) 2023 - 2025
JavaScript Algorithms and Data Structures at freeCodeCamp 2022 - 2022
Mechatronics at College of Scientific and Technological Studies of the State of Jalisco 2018 - 2021