I'm a Senior Mobile Engineer with over 15 years of experience crafting scalable, high-performance apps across finance, healthcare, education, streaming, and more. I’m passionate about clean architecture, automated testing, and delivering measurable business value. I’ve contributed to apps used by millions of users and collaborated with teams around the world, leveraging Flutter, Swift, Kotlin, and MVVM patterns to ship delightful experiences. In leadership and cross-functional roles, I mentor developers, drive AI-assisted development, and advocate for CI/CD, VIPER/Clean Architecture, and robust testing. I enjoy turning complex ideas into solid, maintainable mobile solutions and continuously exploring new technologies to accelerate delivery and impact.…

Aecio Lima Ribeiro

I'm a Senior Mobile Engineer with over 15 years of experience crafting scalable, high-performance apps across finance, healthcare, education, streaming, and more. I’m passionate about clean architecture, automated testing, and delivering measurable business value. I’ve contributed to apps used by millions of users and collaborated with teams around the world, leveraging Flutter, Swift, Kotlin, and MVVM patterns to ship delightful experiences. In leadership and cross-functional roles, I mentor developers, drive AI-assisted development, and advocate for CI/CD, VIPER/Clean Architecture, and robust testing. I enjoy turning complex ideas into solid, maintainable mobile solutions and continuously exploring new technologies to accelerate delivery and impact.…

Available to hire

I’m a Senior Mobile Engineer with over 15 years of experience crafting scalable, high-performance apps across finance, healthcare, education, streaming, and more. I’m passionate about clean architecture, automated testing, and delivering measurable business value. I’ve contributed to apps used by millions of users and collaborated with teams around the world, leveraging Flutter, Swift, Kotlin, and MVVM patterns to ship delightful experiences.

In leadership and cross-functional roles, I mentor developers, drive AI-assisted development, and advocate for CI/CD, VIPER/Clean Architecture, and robust testing. I enjoy turning complex ideas into solid, maintainable mobile solutions and continuously exploring new technologies to accelerate delivery and impact.

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Skills

Experience Level

Dart
Expert
Flutter
Expert
Github
Expert
iOS
Expert
Swift
Expert
Kotlin
Expert
Objective-C
Expert
React Native
Expert
Typescript
Expert
Xamarin
Expert
AWS
Intermediate
Python
Intermediate
UI
Intermediate
App Design
Intermediate
Android
Intermediate
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Language

Portuguese
Fluent
English
Advanced
Spanish; Castilian
Advanced

Work Experience

Sr. Mobile Engineer at Lumenalta
August 1, 2025 - February 1, 2026
Played a key role in one of the world's largest apps (over 1 billion downloads) and developed a streaming app for a famous American personality in record time (1 month), leveraging Generative AI and agents to accelerate delivery while maintaining high quality.
Sr. Mobile Engineer at Globant
September 1, 2023 - August 1, 2025
Worked with clients worldwide, including The Walt Disney Company and the largest theme parks in Saudi Arabia. Mentored 3–5 team members simultaneously, interviewed over 30 Flutter developers, and taught Flutter courses to more than 10 engineers.
Sr. Software Engineer at Itaú Unibanco
March 1, 2020 - August 1, 2023
Tech Lead for over two years. Mentored other developers and created features for credit card apps with 20M+ users using cohort deployments and distribution. Implemented features on a virtual assistant using low-code tools.
Sr Mobile Engineer at Guide Investimentos
July 1, 2018 - February 1, 2020
Created the SuperApp for the brokerage firm, unifying various types of investments. Implemented automated tests with +80% coverage and applied Clean Architecture and VIPER; built CI/CD pipelines.
Full Stack Engineer at Utonomo Solutions
September 1, 2017 - May 1, 2018
Created a SaaS platform for cleaning services using WordPress + WooCommerce and built a mobile app for Android professionals.
Sr Mobile Engineer at Suporte Saude
February 1, 2016 - September 1, 2017
Developed from scratch a personal training assistant iOS app using Swift, CocoaPods, HealthKit, and a proprietary API. Also maintained several company apps using React Native and Xamarin (MAUI).
Mobile Engineer at Titans Group
July 1, 2012 - January 1, 2020
Co-created native Android and iOS utility apps like Dropbox. Built an iOS e-learning app using Swift and Nuance API and an iOS social media app for the soccer player Neymar Jr.
Mobile Engineer at Capitani Solutions
October 1, 2011 - April 1, 2012
Developed mobile web apps for Android and iOS using jQuery Mobile and created two native apps for iOS (Objective-C) and Android (Java).

Education

Assossiate Computer Science at Oswaldo Cruz University
February 3, 2003 - July 29, 2005
Bachelor's Degree in Information Systems at Oswaldo Cruz University
January 11, 2030 - June 12, 2026

Qualifications

Certified Reactive Native Developer
March 4, 2024 - April 22, 2024

Industry Experience

Healthcare, Financial Services, Professional Services, Computers & Electronics, Gaming, Software & Internet, Education, Media & Entertainment
    Projects showcase
    Projects made by myself or built by me for others. The tech used on the projects: Swift Flutter Firebase Supabase PocketBase swift flutter mobileapp ios android…
    Projects Grid

    Projects made by myself or built by me for others. The tech used on the projects:

    • Swift
    • Flutter
    • Firebase
    • Supabase
    • PocketBase
    SmartQR
    Mobile app to manage and generate any type of QR Code and barcode. Easily manage generated QR Codes and barcodes. Quickly scan QR codes and display its information. Scan barcodes and search its price from several sources over the internet. mobileapp ios android flutter…
    Bookster App
    Bookshelf app for book lovers. Featuring +40 million books. The app is a place for everyone willing to read better by managing books and works weather physic or digital version. Its include books from every genre and almost any language. appdevelopment appstores…