Andrés Felipe Jaimes Sánchez | Senior Frontend Developer & UI/UX Specialist

const Aboutme

const skills

"Frontend & UI Architecture": ["React.js","Next.js","TypeScript","JavaScript","HTML","CSS","Tailwind CSS","Material-UI","Sass","GSAP","Three.js"],

"Backend, Data & Cloud": ["Supabase","PostgreSQL","Node.js","SQL Server","ASP.NET","C#"],

"Design Systems": ["Design Tokens","Component Libraries","Style Guides","Design Patterns"],

"AI & Productivity": ["Cursor","OpenCode","Ollama","Prompt Engineering"],

"Tools, SEO & Performance": ["Google Search Console","Google Analytics","Web Performance Optimization","CI/CD","Git","GitHub"],

"Others": ["Motion Design","SEO Analysis","UI/UX Design","Responsive Web Design","Testing","Scrum Master"]

let career

April 2023January 2026

UX/UI Senior Developer

BairesDev

Improved development-team efficiency by ~20% through reusable design systems and AI-assisted refactoring workflows (Cursor, OpenCode). Architected the design system and UI for Akoya's internal ecosystem — application inventory tools and AI agent interfaces — and upgraded authentication and service-connection UIs for usability and performance. Stack centered on React, TypeScript, and component-driven UI architecture.

React
TypeScript
Design Systems
Cursor
OpenCode
UI Architecture

July 2021April 2023

Front End Senior Developer

HUGE INC.

Engineered high-profile experiences with React, TypeScript, Next.js, and GSAP. Built the NBA 75th-anniversary portal, live player showcases, and high-traffic social forms. Tech Lead for Xfinity (NBC) HTML/React/GSAP/Three.js minigames on iPads across 150+ US stores. Delivered Stellantis launch portals, an automated React-to-Vanilla JS/HTML/CSS pipeline for Google Ads, and AbbVie's design-system migration from WordPress to React with new component libraries and dashboards.

React
TypeScript
Next.js
GSAP
Three.js
HTML/CSS
Vanilla JS

April 2016July 2021

Front End Senior Developer & SEO Analyst

FINCARAIZ.COM.CO

Led the strategic migration from ASP.NET/C# to React/Next.js, improving performance and wiring SEO with mobile deep links. Implemented dynamic keyword systems with Google Analytics and Search Console — ~50% organic traffic growth and 200%+ platform efficiency. Trained developers and analysts at partner portals (Mercadolibre Chile, Fotocasa Spain) on React architectures and SEO best practices.

React
Next.js
ASP.NET
C#
SEO
Google Analytics
Search Console

February 2015February 2016

Systems Engineer

ISMOCOL S.A

Developed an ASP.NET/SQL Server control system for pipeline logistics, inventory, and purchase orders. Automated internal processes including a mass-mailing module for payroll and communications. Redesigned the corporate portal using a Material Design-based architecture.

ASP.NET
SQL Server
C#
Material Design

April 2013December 2014

Web Developer

BUCARAMANGA CITY HALL

Engineered a stratification certificate generation system that reduced related administrative costs by 100%. Built inventory systems including a homeless population census and a recovery database for public official records lost in a 1990s fire. Developed and maintained online government applications with ASP.NET, C#, and SQL Server.