Asunción, Paraguay · open to remote
iOS Developer · Swift, fintech & mobile security
I build and ship iOS apps in Swift. For the last three years that has meant a banking app that thousands of people use every month, and on the side, my own apps on the App Store.
Two apps I can talk about in depth: one I build at work for a bank, and one I made entirely on my own.
Personal project · 2026
A music trivia game for iPhone and iPad. You see a recreated album cover and pick the right album before the time runs out. I designed, built and published it on my own.
Screenshots are from the public App Store listing. The code belongs to the bank, so I describe the work instead of showing it.
Professional work · Roshka · 2023 – present
The retail and corporate banking app of Bancop, used by more than 5,000 customers every month for transfers, bill payments, QR payments, credits and account management. I've been developing and maintaining the iOS app since 2023.
Entrust IdentityGuard soft token with Face ID / Touch ID for login and transaction signing. SSL pinning with TrustKit, tokens in the Keychain, device fraud checks with Kount.
SPI instant transfers, QR payments, Click to Pay and multi-signature approval for corporate users.
Signing and TestFlight / App Store releases automated with Fastlane and Jenkins: from about two hours of manual work to fifteen minutes.
I've been doing mobile development for six years. I started in games at Roshka Studios, where I was the lead developer on a title that passed 20 million downloads. That's where I learned to care about performance on cheap phones, about monetization, and about code that a team can keep extending for years.
In 2023 I moved to native iOS on a production banking app. Since then my work has been authentication, payments and security, and slowly moving a large UIKit codebase toward MVVM, async/await and SwiftUI. I like owning a feature all the way to the App Store, and I build my own apps on the side because I enjoy the whole process.
I studied Computer Engineering at Universidad del Cono Sur de las Américas in Asunción (graduated December 2025). I speak Spanish natively and English at a C1 level.
What I use day to day.
From 2021 to 2024 I was a Senior Unity Developer at Roshka Studios. My main title was Hole and Fill, published by Homa Games, where I was the lead developer: performance work for low-end devices, ads mediation and in-app purchases, and modular gameplay systems.
I'm open to iOS roles, remote or in Asunción. Write me a message here or reach me directly.
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