Senior iOS & Mobile Developer

Building reliable mobile experiences for fintech and beyond.

Senior iOS developer at Revenu (via Opah IT), with over 5 years of experience delivering production-ready mobile apps using UIKit, SwiftUI, Kotlin, and Kotlin Multiplatform.

Location: Divinópolis, Minas Gerais, Brazil · Industry: Fintech, IT Services, Education

Core technologies
iOS · Swift · SwiftUI · UIKit Kotlin · Kotlin Multiplatform (KMP) Flutter React Native Node.js · React
What I do

End-to-end mobile delivery

I design, implement, and maintain mobile applications that handle real users and real money — with a strong focus on performance, reliability, and user experience.

📱

Native iOS development

Extensive experience building and evolving iOS apps using Swift, SwiftUI, and UIKit. I have taken part in key feature deliveries for card experiences and financial products.

Recent work includes the iOS experience for Revenu and card flows at Stone.

🔁

Kotlin & KMP integration

Hands-on experience integrating Kotlin Multiplatform code into iOS apps, balancing shared business logic with native UI to keep performance and UX at a high level.

Worked with Kotlin Multiplatform in production, focusing on scalability and maintainability.

🤝

Collaboration & mentoring

From teaching programming and robotics to mentoring new engineers on teams, I enjoy helping others grow and keeping collaboration at the center of how we ship software.

Former IT Instructor at CiberCode and collaborator on multiple team projects.

Experience

Professional background

A mix of fintech, consulting, and education, with a consistent focus on mobile development and high-quality delivery.

Senior iOS Developer

Revenu · via Opah IT
2025 – Present · Remote · Brazil
  • Building and maintaining iOS features for Revenu, focusing on performance, usability, and reliability.
  • Using Swift, SwiftUI, UIKit, and Kotlin/KMP to integrate shared modules where it makes sense.

Senior App Developer

act digital
2025 · Brazil
  • Senior position in engineering, contributing to mobile solutions for enterprise clients.
  • Focused on code quality, architecture, and team collaboration in demanding environments.

iOS Developer

Stone
2021 – 2025 · Rio de Janeiro, Brazil
  • Actively contributed to all front-end deliveries related to card experiences, including the migration from V1 to V2 and V3.
  • Developed features mainly for card flows using Kotlin and Swift, integrating shared logic via Kotlin Multiplatform.
  • Worked on UX experiments using Amplitude Experiment to improve user experience based on data.

Flutter Developer

Find Soluções Corporativa Ltda
2020 – 2021 · Divinópolis, Brazil
  • Developed and maintained mobile applications using Flutter, focusing on performance and usability.
  • Performed testing and debugging to ensure quality and reliability of deliveries.

IT Instructor

CiberCode
2019 · Divinópolis, Brazil
  • Created and delivered classes introducing programming and robotics.
  • Taught programming in languages such as Python and C, guiding students through practical projects.
Skills

Technologies & tools

A toolbox focused on mobile development, with experience across fullstack JavaScript and teaching as well.

Swift · SwiftUI · UIKit iOS architecture & patterns Kotlin · Kotlin Multiplatform (KMP) Flutter React Native Node.js · Express React Git & GitHub Amplitude Experiment Agile & cross-functional teams Mentoring & teaching
GitHub

Selected projects

A few repositories that reflect my learning journey and hands-on work with mobile and fullstack technologies.

Nubank Clone – React Native

React Native · UI Clone

A clone of the Nubank app created with React Native, focusing on reproducing the look and feel of a real-world banking experience.

View on GitHub

GoStack Bootcamp Challenges

Node.js · React · React Native

Several repositories from Rocketseat's GoStack bootcamp, including backend APIs, React frontends, and React Native concepts.

Browse GoStack repos

Backend with Node

Node.js · REST APIs

Backend services built with Node.js as part of Rocketseat training, exploring REST APIs, business rules, and integration with frontends.

View on GitHub
Recommendations

What people say

Feedback from people who studied and worked with me, emphasizing technical quality, ownership, and collaboration.

Francisco is a highly dedicated professional with a strong sense of responsibility and ownership. He consistently meets deadlines, cares deeply about the quality of his work, and pays attention to the details that make a real difference. Beyond his technical skills, he brings empathy and a genuine interest in helping colleagues grow.

Fabiana Reis
Colleague in college and on multiple projects

From my first day at Stone, Francisco played a key role in helping me adapt to the new environment. He was always available for pair programming sessions and for digging into complex bugs. His technical skills in Swift and iOS, combined with his supportive attitude, make him an invaluable teammate.

Yago Augusto
iOS Engineer & former colleague at Stone

Let’s build something great together.

If you are looking for someone to help you ship solid mobile products — especially in fintech or complex domains — feel free to reach out. I’m always open to good conversations about iOS, Kotlin Multiplatform, and mobile architecture.

Based in Divinópolis, Minas Gerais, Brazil · Available for remote collaboration.