Jeferson B.

Mobile Engineer - Android

Senior Android Developer
1/1/2022 - Present

Played a pivotal role in the development of a banking application, contributing specifically to the implementation and enhancement of security layers. Focused on mitigating vulnerabilities and addressing potential threats. Utilized industry-standard security protocols and encryption methodologies to ensure the robust protection of sensitive user data. Collaborated closely with cross-functional teams, leveraging expertise in application security audits and automated testing tools to identify and rectify security flaws. Employed secure coding practices and conducted regular security reviews to maintain compliance with regulatory standards.

Android Engineer
6/1/2021 - Present

Led the development of a comprehensive digital bank project, collaborating with a distributed team to deliver a robust financial platform. Developed expertise in frameworks such as Angular, React, and Node.js, and utilized tools such as Docker and Kubernetes for streamlined deployment and orchestration. Ensured the backend infrastructure was solid by leveraging microservices architecture, implemented through Spring Boot and integrated with APIs. Managed data persistence using PostgreSQL and MongoDB for high-efficiency handling of relational and non-relational data. Emphasized secure coding practices by integrating OAuth2 and JWT for authentication and authorization mechanisms. Maintained version control and facilitated smooth collaboration using Git and Jenkins for continuous integration and delivery. These efforts culminated in the successful creation of a secure, scalable, and efficient digital banking solution.

Android Developer
6/2/2020 - 3/2/2021

Led the development of a secure communication application focused on calls and messages, while spearheading the Android team. Developed expertise in Java and Kotlin for Android app development, implementing secure communication protocols and encryption standards. Utilized Android SDK and Android Studio for app creation and optimization. Demonstrated leadership in coordinating team efforts, conducting code reviews, and ensuring adherence to best practices. Employed tools such as Git for version control and Jira for project management. Leveraged testing frameworks like JUnit and Espresso to maintain high code quality and performance.

Mobile Developer
5/2/2018 - 6/2/2020

Developed an application tailored for conducting lease inspections, transfers, and real estate construction. Utilized Android Jetpack libraries extensively while implementing Kotlin Coroutines to enhance application performance and simplify asynchronous programming tasks.

Mobile Developer
8/2/2017 - 5/2/2018

Worked on several notable projects, including a vehicle tracking application for both Android and iOS platforms, an entry inspection application designed for rental purposes on Android, a health survey application tailored for Android devices, and a museum exhibition application developed for iOS. Developed and refined technical expertise in mobile application development, utilizing frameworks and tools such as Android Studio, Xcode, Swift, Kotlin, and React Native. Emphasized user-focused design and functionality, ensuring robust and scalable solutions across various industries. Demonstrated proficiency in integrating APIs, managing backend services, and maintaining version control using Git and GitHub.

Developer
1/2/2017 - 8/2/2017

Developed proficiency in creating plugins for 3ds Max using Python and MaxScript. Gained extensive experience in managing and maintaining a render farm utilizing Python and Java.

Computer Science at Federal Institute of Santa Catarina - Videira Campus
2013 - 2017

Computer Technician at Federal Institute of Santa Catarina - Videira Campus
2010 - 2012