João F.
Full-stack Product Engineer

Skills

Node.js

Flutter

Github

Firebase Realtime Database

Javascript

Amazon Aws

Google Cloud

Docker Cloud

João is available for hire

Meet João F.

All Howdy Candidates are vetted for skills and english proficiency.

Bio

Possessing five years of experience in technology with a specialization in full-stack development, the expertise includes agile practices, application security, and continuous integration and delivery (CI/CD). Proficient in microservices architectures and design patterns, the background also involves team leadership. An avid cybersecurity hobbyist, numerous vulnerabilities have been identified and reported in significant systems, such as the Brazilian army enlistment portal and ZAP Imóveis. The technological proficiency spans a wide array of tools and languages, including Flutter, Golang, Vue.js, TypeScript, Nest.js, Bash, Java, Docker, and AWS.

Senior Mobile Engineer
6/1/2022 - Present

Served as the technical leader for a white-label system developed in Flutter, overseeing the project from its conception. Spearheaded the development of a complete, modularized banking solution integrated into a super-app. Directed internal and outsourced teams in feature development and refactored architectural issues within the project. Automated the integration, build, and deployment processes for over nine white-label clients on Google Play and the App Store. Led the development of SDKs for various modules, facilitating technology monetization. Created four native plugins designed to capture device information and ensure data protection.
Software Engineer
9/1/2021 - 4/1/2022

Led the mobile squad for a white-label education system utilized by thousands of users. Contributed to developing the practice test feature, enhancing user engagement through performance-based rewards. Streamlined backend processes by implementing background services with Queue for optimized task processing. Designed and developed key components of the design system extensively used across development squads. Guided team members in addressing and correcting security vulnerabilities, ensuring a secure codebase. Oversaw the code review process for mobile features, maintaining high code quality. Implemented unit and integration tests, significantly boosting test coverage and system reliability.
Software Developer
7/1/2019 - 9/1/2021

Served as a Full Stack Engineer, focusing on mobile document management projects. Proficiency achieved in identifying and correcting critical security flaws, thereby enhancing system security. Developed five offline-first mobile applications using Flutter with advanced background file processing capabilities. Implemented the use of Firebase MachineLearningKit to enhance app functionalities. Spearheaded the creation of a web product for rendering and processing 3D files, successfully generating a new revenue stream. Utilized a variety of tools and frameworks in the role, contributing to advanced mobile and web application development.
Web Developer
1/1/2019 - 7/1/2019

Developed expertise in web development utilizing the CMS WordPress. Engaged in backend development with C#, emphasizing creating robust and efficient server-side logic. Accumulated significant experience in customizing WordPress themes and plugins to enhance website functionality and aesthetics. Demonstrated technical proficiency in integrating various APIs and third-party services with WordPress to extend its capabilities. Applied C# in building and maintaining backend services, ensuring secure and scalable solutions. Enhanced problem-solving and debugging skills through troubleshooting and optimizing code. Utilized version control systems such as Git for collaborative development and code management, contributing to streamlined project workflows and efficient team collaboration.