Professional History

Experience

Over 6 years building high-impact mobile and web products across finance, healthcare, and sports. From banking apps with 450K users to a fintech wallet with over 1 million.

Published Projects

Impact-Driven Engineering

Ploutos Personal Finance App 1
Ploutos Personal Finance App 2
Ploutos Personal Finance App 3
Ploutos Personal Finance App 4
Ploutos Personal Finance App 5
Ploutos Personal Finance App 6
React NativeExpoSQLiteFirebase

Ploutos

Sole developer of a cross-platform personal finance app built with React Native and Expo SDK 54, running natively on iOS and Android. Offline-first architecture using encrypted SQLite, multi-currency support with live exchange rates, hierarchical categories, statistics with charts, and Mobills data import. Integrated with Firebase Analytics, Crashlytics, and Remote Config.

React Native

End-to-End Solo Build

monitoringSole Developer
Billetera Mango Fintech App 1
Billetera Mango Fintech App 2
Billetera Mango Fintech App 3
Billetera Mango Fintech App 4
Billetera Mango Fintech App 5
Billetera Mango Fintech App 6
React NativeUIKitKotlin

Billetera Mango

React Native developer for one of Paraguay's most used fintech apps. Developing and maintaining high-quality features for an electronic wallet with over 1 million active users, with a strong focus on performance and scalability.

1M+ Active Users

Scale & Impact

verifiedReact Native Developer Sr.
Conti Móvil Banking App 1
Conti Móvil Banking App 2
Conti Móvil Banking App 3
Conti Móvil Banking App 4
Conti Móvil Banking App 5
Conti Móvil Banking App 6
Conti Móvil Banking App 7
React NativeFirebaseUIKit

Conti Móvil: Banco Continental

Contributed to the development of Conti Móvil, Paraguay's leading mobile banking app, and Continental Banca Empresas for corporate clients. Shipped new features and resolved front-end issues under Scrum methodology.

500K+ Users

National Banking Scale

architectureReact Native Developer

Career History

Timeline

Billetera Mango

Current

React Native Developer Sr.

  • architectureDeveloping and maintaining new features for an electronic wallet with over 1 million active users.
  • speedCollaborating within a Scrum team to deliver high-quality UX with a focus on performance and scalability.
  • groupsWorking with React Native, UIKit, Kotlin, TypeScript, Swift, Redux, OneSignal, Sentry, and Rive.
2024 — PRESENT
2024 — PRESENT

PadelSys

Freelance

Sole Developer

  • sports_tennisBuilt a padel tournament management platform used across Paraguay.
  • leaderboardDeveloped tournament creation, player registration, bracket generation, and analytics features.
  • layersTech stack: PHP, JavaScript, jQuery, Bootstrap, Chart.js, MySQL.

Banco Continental SAECA

2 Years

React Native Developer

  • verified_userContributed to Conti Móvil, Paraguay's mobile banking app with 450,000+ users.
  • starDeveloped features for Continental Banca Empresas, the bank's corporate client app.
  • monitoringShipped front-end improvements and bug fixes under Agile/Scrum methodology.
2022 — 2024
2022

Arco SA

4 Months

Full Stack Developer

  • rocket_launchManaged and enhanced the core web system of a radiology clinic.
  • databaseBuilt modules for patient management, billing, and role-based access control.
  • layersTech stack: Laravel, Vue.js, Express.js, HTML5, MySQL, PHP.

Sercicronos

2 Years

Junior Developer

  • directions_runDeveloped and maintained a marathon and running event management platform.
  • timerBuilt features for event registration, timing systems, and results publishing.
  • layersTech stack: HTML5, CSS3, JavaScript, PHP, MySQL.
2019 — 2021

Ready to build something interesting?

Open to senior mobile development roles and freelance consulting opportunities.

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