gustavo bacellar

Founder & Lead Developer

• Founded and led a software consultancy specializing in mobile and web development for startups and growing businesses.

• Designed and developed scalable React Native applications from concept to production.

• Built full-stack solutions using React, Node.js, TypeScript, Firebase and MongoDB.

• Published and maintained production applications on Apple App Store and Goo

• Contributed to the development of i4H Saúde’s healthcare application as a freelance React Native & Full Stack Developer.

• Developed mobile functionality using React Native, enhancing user experience and engagement.

• Collaborated with the team to implement improvements and support ongoing application development.

As a Senior React Native & Full Stack Developer, I partnered with startups and businesses to design, build and scale production-ready mobile and web applications from the ground up.

Key responsibilities and achievements:

• Built mobile and web applications from scratch, leading the entire development lifecycle from architecture and implementation to production deployment.

• Partnered with early

• Contributed to the development of the TAPPT application as a part-time React Native & Full Stack Developer.
• Developed mobile features using React Native, enhancing user experience and functionality.
• Supported full-stack functionality to ensure seamless integration across the application.
• Collaborated with a dynamic team to evolve the product in alignment with user needs.

• Joined an early-stage startup to build and scale a cross-platform mobile application from concept to production.

• Developed and maintained mobile applications using React Native, delivering new features for both iOS and Android.

• Built full-stack features using React, Node.js, TypeScript and REST APIs, contributing across both frontend and backend.

• Designed and implemented scalable applic

• Developed and maintained large-scale React Native applications with a combined total of nearly 2 million downloads and more than 300,000 monthly active users.

• Led the development of complex features across mobile and backend systems using React Native, TypeScript, Node.js and REST APIs.

• Designed scalable application architecture, improving maintainability, performance and long-term product

• Joined the engineering team to help build a React Native application from the ground up for an early-stage startup.

• Designed and implemented the initial application architecture, establishing scalable patterns for future development.

• Developed core features using React Native and TypeScript, focusing on performance, maintainability and code quality.

• Collaborated with engineers, designer

• Developed and maintained mobile and web applications for a vehicle tracking and security platform serving the Brazilian market.

• Built a React Native application from the ground up, delivering a cross-platform experience for Android and iOS.

• Maintained and enhanced existing React Native applications by fixing bugs, refactoring code and improving overall performance.

• Designed and implemen

• Participated in ZettaLab, a software development training program focused on modern web and mobile technologies.

• Developed a cross-platform mobile application using React Native as part of the program.

• Collaborated with a multidisciplinary team to design and build a web application using Vue.js and Java.

• Applied Agile methodologies, including Scrum, throughout the software development l

Feb 2023

Oct 2020

May 2020