Profile

Jonathan Sánchez

Mobile Developer

10+ years building apps for iOS and Android, passionate about creating seamless user experiences and innovative mobile solutions.

Mexico City, MX

Experience

Strategic Sabbatical & Independent Developer

2025 - Present

Self-Employed

  • Launched SecurePass, a security-focused app utilizing AES-256 encryption and Jetpack Compose.
  • Managing the full lifecycle and updates for a portfolio of apps on Google Play and Apple App Store.
  • Advanced specialization in Flutter and Kotlin while conducting a cultural immersion trip across Europe.

Mobile Software Engineer

2022 - 2025

techreo

  • Founding member of the internal mobile team; spearheaded the transition from outsourced apps to a high-performance Flutter solution.
  • Architected a Greenfield multi-country suite for LATAM, building core fintech features like digital wallets and credit flows.
  • Integrated high-profile partnerships (e.g., Walmart, CAME, Idepro) and scaled the mobile team from 2 to a robust engineering unit.

Senior Android Developer

2020 - 2022

CAME Financiera

  • Led the internalization of mobile development, successfully migrating legacy codebases from external agencies to the in-house team.
  • Ensured 100% regulatory compliance through critical system updates and stabilized complex offline synchronization for field operations.
  • Optimized the product lifecycle by maintaining legacy stability while planning strategic migrations to modern platforms.

Software Engineer (.NET & Mobile)

2017 - 2019

PDN Portafolio de Negocios

  • Evolved from Junior to Middle Developer, mastering the .NET ecosystem (ASP.NET, Entity Framework).
  • Developed core backend functionalities and expanded technical expertise into mobile application development.