Gabriel Palmyro
Software Engineer and Entrepreneur
Flutter specialist with expertise in mobile development. Currently at XP Inc., focused on building investment applications. Computer Engineering graduate passionate about creating efficient solutions.
Featured Projects
A selection of my recent work across mobile and web platforms.
ToAquiRS
Platform to help locate rescued animals in shelters after the floods in Rio Grande do Sul. Created as a social impact project to reunite pets with their owners during a natural disaster.
Treino Fácil
Personal project fitness app that allows users to organize, create, and share workout routines. Features include 150+ exercises with images and videos, ready-to-use workout plans, and personalized exercise tracking.
Own Quest
Interactive platform for creating and playing gamified storylines. Built with React (TypeScript) frontend and NestJS backend, using MySQL. Deployed backend on Amazon EC2 and frontend on Vercel.
Omni Saúde
Healthcare app built with Flutter that helps users find medications, schedule deliveries, and manage prescriptions. Integrated payment systems and real-time features.
Professional Experience
My journey through the tech industry, building impactful solutions.
Senior Software Engineer
GSD
Austin, USA
- Architected and developed a neighborhood-focused e-commerce app from scratch in 2 months using Flutter, Bloc, Injectable, and Dio Interceptors
- Integrated Stripe payment system, handling all logic for credit card and various payment types
- Implemented an automated CI/CD pipeline with Codemagic, ensuring seamless deployment to both Google Play and App Store
- Reduced manual deployment efforts by 70% through automation and streamlined processes
Software Engineer II
XP Inc.
São Paulo, Brazil
- Led the redesign and development of the Home Investments section, enhancing engagement for 1M+ users
- Optimized user experience with animations and performance improvements in asset lists and charts
- Maintained and optimized a large-scale monorepo architecture for 7 brands, ensuring code reusability
- Utilized Cubit & Bloc for state management and GetIt and Injectable for dependency injection
- Created the Account Balance Hub for reading and writing asset data with SSE for real-time events
- Wrote E2E automations using Python and Robot, reducing manual testing time by 50%
- Implemented Firebase tools including Crashlytics, DebugView, Feature Flags, and DynamicLinks
- Led migration of features from Kotlin to Flutter, primarily in client portfolio components
Mid-Level Flutter Developer
Omni Pharmacare
Brazil
- Developed and scaled a health-tech startup app from MVP to 50,000+ active users
- Implemented Clean Architecture and Design Patterns to ensure maintainable, scalable code
- Created comprehensive Unit Testing and Integration Testing suites for quality assurance
- Utilized GetX for state management and routing throughout the application
- Built a CI/CD pipeline using Codemagic for efficient distribution to Production and Staging
- Impacted the way more than 50,000 Brazilians purchase medication through the platform
Mid-Level Flutter Developer
WBC Sistemas
Brazil
- Orchestrated the Mobile Team, successfully publishing 7 Flutter apps with different flavors
- Improved user experience by redesigning and reworking existing app interfaces with Flutter
- Developed web applications using Next.js, demonstrating versatility across platforms
- Ensured seamless operation and maintenance of all published applications
Junior Flutter Developer
WBC Sistemas
Brazil
- Applied Agile Methodologies, Kanban, and ClickUp to efficiently deliver high-quality Flutter applications
- Published apps on both Apple Store and Google Play, managing the entire deployment process
- Implemented SOLID principles to ensure scalable and maintainable codebases
- Utilized Provider for state management and dependency injection across applications
Personal Project - Flutter Developer
Treino Fácil
Brazil
- Created a complete Flutter fitness app from concept to publication on app stores
- Implemented Provider and ChangeNotifier for Dependency Injection and State Management
- Achieved a 40%+ user retention rate over 6 months through engaging UX and reliable performance
- Integrated Firebase services including Storage, Firestore, Notifications, and Remote Config
- Established CI/CD with Codemagic for fast, automated deployment to Firebase App Distribution
Technical Skills
My expertise across various technologies and frameworks.
Mobile Development
Web Development
Backend & DevOps
Tools & Others
About Me
I'm a Flutter specialist with extensive experience in mobile development. Currently working as a Software Engineer at XP Inc., where I focus on building high-performance investment applications. I'm a Computer Engineering graduate from the Federal Institute of São Paulo, passionate about creating efficient and scalable solutions that deliver exceptional user experiences.
Recommendations
What colleagues and clients say about working with me.
I relied on Gabriel for all technical decisions. He's an incredible colleague, always committed and highly skilled.
Felipe Bufelli
Software Engineer
Excellent professional!
Pedro Henrique Ton Pauletti
Cloud Solution Architect @ Microsoft
Very dedicated, always delivering exceptional results.
João Vitor Ribeiro da Luz
Full-Stack Developer
Very professional and always collaborative with the team.
Isadora Muiños Lopes
Executive Director
Get In Touch
Have a project in mind or want to discuss opportunities? Let's connect!
Contact Information
Feel free to reach out through any of these channels.
Send a Message
I'll get back to you as soon as possible.