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 2 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 2 million active users, with a strong focus on performance and scalability.

2M+ Active Users

Scale & Impact

verifiedReact Native Developer Sr.
PadelSys Padel Tournament Platform 1
PadelSys Padel Tournament Platform 2
PadelSys Padel Tournament Platform 3
PadelSys Padel Tournament Platform 4
PadelSys Padel Tournament Platform 5
PHPJavaScriptMySQLBootstrapProduct Owner

PadelSys

Mobile Frontend Developer for PadelSys, a comprehensive padel tournament management and club administration platform used across Paraguay. Working in close collaboration with the product stakeholder, taking on the Product Owner role, for the development of the mobile app: tournament creation, player registration, automatic bracket generation, circuit rankings, online reservations, and analytics.

1K+ Users

National Padel Platform

emoji_eventsMobile & Frontend Developer · Freelance
Continental Banca Empresas Banking App 1
Continental Banca Empresas Banking App 2
Continental Banca Empresas Banking App 3
Continental Banca Empresas Banking App 4
Continental Banca Empresas Banking App 5
React NativeFirebaseUIKit

Continental Banca Empresas

Contributed to the development of Continental Banca Empresas, Banco Continental's corporate banking app, as part of the bank's mobile team. Shipped new features and resolved issues for corporate account management, transfers, salary payments, service payments, and operation authorizations under Scrum methodology.

Banco Continental

National Corporate Banking

account_balanceReact Native Developer
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

Ploutos

Personal Project

Sole Developer

  • smartphoneDesigned and built a cross-platform personal finance app with React Native and Expo SDK 54, running natively on iOS and Android.
  • savingsOffline-first architecture with encrypted SQLite, multi-currency support with live exchange rates, hierarchical categories, statistics with charts.
  • analyticsIntegrated with Firebase Analytics, Crashlytics, and Remote Config. Mobills data import support.
2026 — PRESENT
2024 — PRESENT

Billetera Mango

Current

React Native Developer Sr.

  • architectureDeveloping and maintaining new features for an electronic wallet with over 2 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.

PadelSys

Freelance

Mobile & Frontend Developer

  • sports_tennisMobile Frontend Developer for a padel tournament management platform used across Paraguay, taking on the Product Owner role in close collaboration with the product stakeholder.
  • leaderboardDeveloped tournament creation, player registration, bracket generation, and analytics features.
  • layersTech stack: PHP, JavaScript, jQuery, Bootstrap, Chart.js, MySQL.
2024 — PRESENT
2022 — 2024

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.

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.
2022
2019 — 2021

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.

Ready to build something interesting?

Open to senior mobile development roles and freelance consulting opportunities.

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