Carlos Henrique User

Worked as Software Engineer at GRUPO SBF.

Founded in 2011, Dafiti is the largest fashion and lifestyle e-commerce platform in Latin America. The company offers a wide variety of products including shoes, clothing, and accessories, and operates in several countries across the region.

Main contributions:

- Implemented the Deeplinks feature, which increased the number of users on the App by 20%, following the App First methodology. The imp

Main contributions:

- Automated CI/CD for Android/iOS app publishing, reducing manual time from 15 to 5 minutes using Fastlane.

- Creation of a reference architecture for mobile flutter development teams to follow. Previously, teams did not have a defined architecture to follow, which resulted in code without standards and difficult to understand. In 3 months, the code was refactored using Clean

Main contributions:

- Created the whole Flutter App from scratch

- Gathered 1,000+ feedbacks from customers and service providers across 3 cities to improve system features.

- Led MVP development using dart language, creating customer and service provider apps, achieving 50 subscribers within the first month.

- Publishing and automation of publishing in stores. Despite the team being small, ma

Leading European digital bank with more than 8 million customers across 24 markets. Headquartered in Berlin, it offers fully mobile banking solutions and has raised over $1.8 billion in funding. Recognized as one of Europe’s most valuable fintechs, N26 has consistently ranked among the top neobanks in customer satisfaction and innovation.

Main contributions:

- I wrote load tests to prove the nee

Launched in 2018, Facily is a social commerce platform that allows users to buy products in groups at reduced prices. It became Latin America's first social commerce unicorn, valued at over USD 1 billion in December 2021.

Main contributions:

- Developed Pickup Point features, reducing order entry time by 70% using Flutter and Dart, QR code integration.

- Development of a new architecture to rep

Founded in 2018, UZZO Pay was Brazil’s first multi-currency digital account, enabling transactions in BRL, points, and Bitcoin.

Main contributions:

- Implement a culture of software quality within the newly formed team. We defined an architectural standard on day 1 (MVVM) and what the team's agreements would be regarding the code and PR reviews. This enabled much greater agility in deliveries si

Main contributions:

- Develop and design the application architecture with Dart and Flutter
- Write tests to improve the useful life of the project
- Define what technologies would be used
- Help in the development of new features for the product until they are put into code and production
- Define the git flow to be followed and standardize code versioning

A tech company developing solutions for eSports clubs to increase fan engagement. Based in São Paulo, the company focuses on connecting fans and clubs through digital platforms.

Main contributions:
- General app maintenance
- Construction of new features that enabled the growth and success of the product

Main contributions:
- ERP delivery

Main contributions:
- Creation of a system for monitoring the careers of former students
- Various banner animations to be used in AD's
- Digital birthday card that uses IBM (Watson) AI to deliver a personalized audio congratulation to each customer

Mar 2025 · Expired Mar 2026

Jun 2024

Aug 2024

Aug 2024

Jul 2024

Jul 2021