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Jeferson Boesing

@jefersonboesing

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Experienced Android Engineer specializing in mobile application development.

Brazil

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What I'm looking for

I seek a role that fosters innovation and collaboration, focusing on mobile app development and user experience.

I'm Jeferson, an Android Engineer with over 7 years of experience in designing, developing, and optimizing mobile applications across various industries, including finance and secure communication. My expertise lies in Kotlin, Jetpack Compose, and modern Android development practices. I am passionate about applying clean architecture patterns and optimizing app performance to ensure a seamless user experience.

Throughout my career, I've led and collaborated with teams to implement innovative solutions that enhance app security and performance. My recent projects include developing a digital banking app with advanced security features and a product recommendation app that significantly increased user engagement. I thrive in environments that challenge me to explore new technologies and deliver high-quality applications.

Experience

Work history, roles, and key accomplishments

Current

Senior Android Engineer

Current

GO.K

Jan 2022 - Present (3 years 4 months)

Led the development and maintenance of security features for the Digio digital banking app, enhancing user authentication and transaction security. Implemented biometric authentication and improved the CI/CD pipeline, contributing to a more secure user experience.

Android Kotlin Retrofit Git CI CD Unit Testing Security SSL

Current

Mobile App Developer

Current

Personal Projects

Jun 2021 - Present (3 years 11 months)

Developed PicProgress, a cross-platform mobile app for tracking personal progress through photos. Utilized Kotlin Multiplatform for shared logic and implemented Clean Architecture for scalability.

Kotlin Multiplatform Android iOS Swift SwiftUI Jetpack Compose App Development Cross Platform Development

Senior Android Engineer

KOBE

Aug 2021 - Jun 2022 (10 months)

Contributed to the Agibank app by developing loan simulation and contract flows using Jetpack Compose, enhancing user experience and code maintainability. Collaborated with cross-functional teams to ensure design consistency.

Android Kotlin Jetpack Compose Retrofit Git UI Design Code Review Agile User Experience

Android Engineer

Communication Security Group

Jun 2020 - Mar 2021 (9 months)

Enhanced a secure communication app by integrating encrypted communication libraries and optimizing message delivery. Refactored legacy code to Kotlin, improving maintainability and performance.

Android Kotlin Java Git Encryption Unit Testing API Integration Refactoring

Android Engineer

TukEmperial

Mar 2021 - Jun 2021 (3 months)

Developed a product recommendation app for a YouTube channel, implementing real-time data synchronization with Firestore and user interaction features, significantly increasing user engagement.

Android Kotlin Firestore Git XML Layouts User Engagement Firebase App Development

Android Engineer

Rede Vistorias

Jun 2018 - Jun 2021 (3 years)

Developed a home inspection app with offline capabilities and customizable PDF reports. Improved productivity by enabling offline inspections and integrating Google Maps for location display.

Android Kotlin Java Git Google Maps App Development

Android Engineer

NKey

Sep 2017 - Jun 2018 (9 months)

Managed multiple Android projects, including a home inspection app and a vehicle tracking app. Refactored legacy code and contributed to cross-platform development using React Native.

Android Kotlin Java iOS React Native Git Project Management Refactoring Cross Platform Development

Software Engineer

Decora

Jan 2017 - Sep 2017 (8 months)

Developed tools to optimize the 3D modeling process for online retailers, improving designer efficiency and reducing costs through automation and local preview capabilities.

Python Automation Workflow Optimization 3D Modeling Project Management Software Development

Education

Degrees, certifications, and relevant coursework

Instituto Federal Catarinense - Campus Videira

Bachelor’s Degree, Computer Science

2013 - 2017

Bachelor’s Degree in Computer Science, focusing on software development, algorithms, and systems analysis. The program provided a strong foundation in programming languages and software engineering principles.

Instituto Federal Catarinense - Campus Videira

Associate Degree, Information Technology

2010 - 2012

Associate Degree in IT, covering essential topics in information technology, including networking, database management, and programming. This degree prepared students for entry-level positions in the IT field.