Andres Arango

Sample

Staff Frontend Engineer at Bradesco · CSS, GraphQL

Bradesco
Bogotá, Colombia · COT (UTC-5)
11+ years experience
IESE
English, Spanish
Messaging unavailable

Overview

Staff Frontend Engineer at Bradesco, focused on web frontends. Cut the main bundle by 50% and got LCP under 1.2 seconds. Before that: EY and Natura &Co. Most at home with accessibility and React.

Good reasons to reach out
  • Questions about web frontends
  • Thoughtful intros to people in my field
  • Second opinions on React decisions
Please don't message about
  • Agency or outsourcing pitches
  • Offshore staffing offers
Skills
CSSReactGraphQLaccessibility

Experience

  1. Staff Frontend Engineer
    Sep 2025 - Present
    Bradesco · 1 yr 1 mo · Full-time · Bogotá, Colombia
    • Built the experimentation framework 37 product teams use to ship changes safely.
    • Grew the web team from 5 to 13 engineers.
    • Mentored 6 engineers through their first promotion.
  2. Engineering Manager
    Jul 2023 - Sep 2025
    EY · 2 yr 2 mo · Full-time · Bogotá, Colombia
    • Mentored 8 engineers through their first promotion.
  3. Senior Frontend Engineer
    Aug 2021 - Jul 2023
    Natura &Co · 1 yr 11 mo · Full-time · Bogotá, Colombia
    • Led the move of 190 screens to a shared React component library.
    • Built the experimentation framework 18 product teams use to ship changes safely.
  4. Engineering Manager
    Mar 2019 - Aug 2021
    Kavak · 2 yr 5 mo · Full-time · Bogotá, Colombia
    • Shipped a rewrite that took build times from 34 minutes to under 5.
    • Mentored 8 engineers through their first promotion.
  5. Senior Frontend Engineer
    Dec 2015 - Mar 2019
    Nubank · 3 yr 3 mo · Full-time · Bogotá, Colombia
    • Moved 87% of web traffic off a legacy monolith without a customer-facing incident.

Projects

Open-source CSS toolkit
2022

A small library for web frontends that 418 developers star on GitHub.

References

No references yet.

Education

  1. IESE
    MBA, Business Administration
    2012 - 2014
  2. UNAM
    Licenciatura, Mathematics
    2008 - 2012

Details

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