Matias Medina

UX/UI React Engineer

Open to Work

Hello! I'm a frontend engineer with 5+ years of experience in React and team leadership skills. I create intuitive and efficient UI, with a focus on continuous improvement and team collaboration.

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Summary of my

Professional Experience

Matias Medina FloQast frontend engineering work screenshot

Frontend Engineer • FloQast (via FullStack Labs)

November 2024 – January 2026

Built and scaled React components for a micro-frontend architecture, supporting 3,000+ Enterprise clients (e.g., Zoom, Snowflake).
Integrated AI agents (Cursor, Claude Code) with custom context engineering and workflows to ship production features ~2.5x faster, automating test generation end-to-end.
Expanded the Flo-UI design system with 25+ reusable React components using Compound Components and Custom Hooks patterns in Storybook, eliminating regression incidents across 14 consuming squads.

React

TypeScript

Microfrontends

Nx

Storybook

Jest

Cursor

Claude Code

Matias Medina Kandui.cl dark theme main trading view

Matias Medina Kandui.cl light theme main trading view

React Team Leader • Kandui.cl

August 2022 – September 2023

Led the frontend team of 5 engineers at a FinTech startup, architecting the technical roadmap to build investment web apps from scratch.
Mentored junior engineers and enforced strict code reviews, improving team delivery speed.

Next.js

React

TypeScript

Redux

Git

HTML5

CSS3

Figma

styled-components

Django

Matias Medina Kandui.cl dark theme KYC form view

Matias Medina Kandui.cl light theme KYC form view

React Engineer • Kandui.cl

January 2020 – July 2022

Developed accessible (a11y) KYC onboarding forms with React and TypeScript, increasing completion rates from 56% up to ~97%.
Refactored 80+ legacy class-based React components to function components and Custom Hooks, resolving critical rendering bottlenecks.

React

TypeScript

Redux

Git

Figma

HTML5

CSS3

styled-components

Some of my favorite

Technologies

JavaScript library for building UI

React

A widely-adopted library maintained by Meta. It makes creating interactive UIs straightforward, efficiently updating and rendering just the right components when data changes.