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Senior Mobile Developer specialized in Flutter, with strong experience building scalable, high-performance applications for Android and iOS. I’ve worked on production apps used by thousands to millions of users, including e-commerce platforms, mobility apps, and consumer products. My focus is on clean architecture (BLoC), performance optimization, and delivering smooth, reliable user experiences. I have hands-on experience with complex features such as checkout flows, real-time data handling, offline-first strategies, and AI-powered functionalities. I also contribute to architecture decisions, ensuring codebases are maintainable and ready to scale. I use modern tools like Cursor and Claude to accelerate development, improve code quality, and make better technical decisions. If you’re looking for a developer who combines strong technical skills with product thinking and reliability, I’d be happy to help.…Senior Mobile Developer specialized in Flutter, with strong experience building scalable, high-performance applications for Android and iOS. I’ve worked on production apps used by thousands to millions of users, including e-commerce platforms, mobility apps, and consumer products. My focus is on clean architecture (BLoC), performance optimization, and delivering smooth, reliable user experiences. I have hands-on experience with complex features such as checkout flows, real-time data handling, offline-first strategies, and AI-powered functionalities. I also contribute to architecture decisions, ensuring codebases are maintainable and ready to scale. I use modern tools like Cursor and Claude to accelerate development, improve code quality, and make better technical decisions. If you’re looking for a developer who combines strong technical skills with product thinking and reliability, I’d be happy to help.

Adam Lamoglia Rammensee

App Developer, Full Stack Developer, Front-End Developer, +4

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Senior Mobile Developer specialized in Flutter, with strong experience building scalable, high-performance applications for Android and iOS. I’ve worked on production apps used by thousands to millions of users, including e-commerce platforms, mobility apps, and consumer products. My focus is on clean architecture (BLoC), performance optimization, and delivering smooth, reliable user experiences. I have hands-on experience with complex features such as checkout flows, real-time data handling, offline-first strategies, and AI-powered functionalities. I also contribute to architecture decisions, ensuring codebases are maintainable and ready to scale. I use modern tools like Cursor and Claude to accelerate development, improve code quality, and make better technical decisions. If you’re looking for a developer who combines strong technical skills with product thinking and reliability, I’d be happy to help.…Senior Mobile Developer specialized in Flutter, with strong experience building scalable, high-performance applications for Android and iOS. I’ve worked on production apps used by thousands to millions of users, including e-commerce platforms, mobility apps, and consumer products. My focus is on clean architecture (BLoC), performance optimization, and delivering smooth, reliable user experiences. I have hands-on experience with complex features such as checkout flows, real-time data handling, offline-first strategies, and AI-powered functionalities. I also contribute to architecture decisions, ensuring codebases are maintainable and ready to scale. I use modern tools like Cursor and Claude to accelerate development, improve code quality, and make better technical decisions. If you’re looking for a developer who combines strong technical skills with product thinking and reliability, I’d be happy to help.

Available to hire

Senior Mobile Developer specialized in Flutter, with strong experience building scalable, high-performance applications for Android and iOS.

I’ve worked on production apps used by thousands to millions of users, including e-commerce platforms, mobility apps, and consumer products. My focus is on clean architecture (BLoC), performance optimization, and delivering smooth, reliable user experiences.

I have hands-on experience with complex features such as checkout flows, real-time data handling, offline-first strategies, and AI-powered functionalities. I also contribute to architecture decisions, ensuring codebases are maintainable and ready to scale.

I use modern tools like Cursor and Claude to accelerate development, improve code quality, and make better technical decisions.

If you’re looking for a developer who combines strong technical skills with product thinking and reliability, I’d be happy to help.

Skills

Experience Level

Expert

Expert

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Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

German

Intermediate

Work Experience

Senior Flutter Developer at Independent / Freelance

March 20, 2024 - May 20, 2025

Developed the complete rewrite of the Machine Passenger App, a white-label platform for urban mobility companies similar to Uber; improved performance and UX; designed and implemented the app's design system; added features including address and payment selection, ride tracking; created PHP-based API endpoints; integrated Crashlytics, Analytics, and Cloud Messaging; employed Flutter, Dart, Firebase, REST/GraphQL, and related tech.

Lead Mobile Developer at Blu Studios

May 20, 2021 - March 20, 2024

Led the mobile front-end development for Ergo Express App; built a robust system to manage logistics for employee trips; contributed to UI/UX design, architecture decisions, and delivering smooth cross-platform experiences; mentored teammates; implemented features including trip dashboards, travel management, and admin tools.

Senior Flutter Developer at Blu Studios

November 20, 2025 - April 20, 2026

Re-architected the Ergo Express App using modern architecture patterns and best practices; led migration of legacy data to a Flutter-based persistence layer; implemented advanced features including audio recording with wave visualization, phrase management, and spaced repetition learning logic; integrated REST APIs and GraphQL, added background processing and synchronization; set up error tracking (Sentry) and analytics, and improved performance and UX.

Flutter Developer at Ergo Express / Ergo Express App

August 20, 2019 - May 20, 2021

Developed Ergo Express App, a robust system to manage logistics for remote and distributed employee trips; built in Flutter; created features for trip planning, logistics, and admin tools; ensured smooth integration with backend services and enhanced user experience.

Front-End Developer at Ergo Express

July 20, 2019 - November 20, 2019

Led the front-end development of Ergo Express App, delivering a robust UI and practical components for logistics management; collaborated across teams to ensure cohesive user experience and performance.

Senior Mobile Developer at Gaudium

March 20, 2024 - May 20, 2025

Developed the complete rewrite of the Machine Passenger App, a white-label platform for urban mobility, built with Flutter. Implemented Clean Architecture using Flutter and BLoC, ensured scalable, high-performance mobile apps, wrote maintainable code, and integrated REST APIs. Led architectural decisions and collaborated with cross-functional teams to deliver robust mobile solutions.

Senior Flutter Developer at Lingophant

July 20, 2019 - November 20, 2019

Led front-end development of Ergo Express App, a robust logistics platform for managing employee trips; built dashboards, location verification, and real-time trip monitoring; collaborated with backend to ensure data integrity and a smooth user experience.

Senior Flutter Developer at Ergo Tech

August 20, 2019 - May 20, 2021

Developed Ergo+ App, a mobile solution for delivery drivers, focusing on scalable architecture, real-time ride tracking, and cohesive UI; implemented core features, integrated Firebase and REST endpoints; improved code quality and maintainability.

Senior Flutter Developer at Liceu ENEM App

July 20, 2019 - November 20, 2019

Led front-end development of a mobile education app for ENEM exam preparation; built content delivery, user progress tracking, and offline support; improved performance and accessibility across platforms.

Full-Stack Developer at Ergo Tech

August 20, 2019 - May 20, 2021

Developed Ergo+App, a remote training and distributed course platform for delivery drivers. Built scalable mobile experiences with Dart/Flutter and native Android/iOS, and implemented backend services (Spring Boot, Kotlin, C/C++, PHP, R, Java) with REST APIs. Integrated cloud services, real‑time data flows, error tracking, and analytics to support offline use and robust performance.

Senior Flutter Developer

March 20, 2024 - May 20, 2025

Contributed to multiple Flutter projects with a focus on clean architecture, high performance, and cross‑platform quality. Implemented feature sets including habit-tracking and gamified experiences; migrated legacy components; established CI/CD workflows and error monitoring (Sentry) for robust delivery.

Senior Flutter Developer

November 20, 2025 - April 20, 2026

Re-architected the entire app using Clean Architecture and BLoC, migrated legacy data from native SQLite/Core Data to a Flutter-based persistence layer, implemented audio recording with waveform visualization, phrase management, and spaced-repetition learning. Integrated REST APIs and push notifications; set up production-ready infra with analytics and error tracking; collaborated across cross-functional teams.

Senior Flutter Developer

July 20, 2016 - July 20, 2018

Early Flutter adopter, led the migration from React Native to Flutter, built core features and performance optimizations; created reusable UI components; collaborated with product and QA to ensure robust deliverables.