Marcos Baker

• Built an AI transcription pipeline integrating speech-to-text APIs to power real-time meeting transcription in a Flutter mobile app
• Architected the app's state layer with Riverpod and Firebase, enabling reactive UI updates and full offline-first capability
• Reduced cold-start time and bundle size through lazy loading and code-splitting, improving perceived performance on lower-end devices
• S

End-to-end mobile and web development for international and Brazilian clients, with a focus on AI features, app store releases, and long-term reliability.

• Calculadora do Pecuarista — Built a Flutter mobile app + PHP backend from scratch to solve farm-management gaps; reached 12,000+ users in the first week through fully organic adoption.
• Manejo Bov — Optimized a React Native app powered by a

International SaaS platform for event management and digital fan experiences, serving European event organizers.

• Developed front-end features and REST APIs for a multi-tenant SaaS used by event organizers across European markets
• Built back-end services integrating payment and ticketing providers, handling high-volume concurrent transactions during live events
• Improved page-load performance

Brazilian travel and expense management platform — one of Brazil's fastest-growing B2B fintechs.

• Delivered 10+ new features to a production Flutter app used daily by thousands of corporate travelers
• Applied MobX, GetIt, and GetX for scalable state management across a large multi-module Flutter codebase
• Reduced active bug backlog by ~30% through systematic refactoring and targeted debugging

Flutter developer who enhances the Itsy app by creating exciting new features and fixing bugs

International startup for short-form video streaming and social media (Series A).

• Enhanced core video-feed and social features; contributed to a 20%+ improvement in user retention metrics
• Migrated legacy setState architecture to Riverpod-based reactive patterns across the codebase
• Worked in a multinational fully-remote team across 3 continents, communicating entirely in English
• Participat

As a Mobile Team Leader, I specialize in app development using the Flutter framework, with over 10 apps available on both the App Store and Google Play. We use Git, Github, GetIt, Bloc, Cubit, Xcode and flavors, and leverage these technologies to deliver high-quality mobile applications that are tailored to meet the unique needs of my clients.

In my role, I oversee the entire development process,

Brazilian tech consultancy delivering custom mobile solutions for enterprise clients.

• Led end-to-end development of 10+ Flutter apps, from client requirements to App Store and Google Play releases
• Managed full project lifecycles independently, including architecture decisions, client communication, and delivery
• Standardized builds with Flutter flavors and CI/CD pipelines, cutting average re

Experience in software development, automation, and maintenance using Java, PrimeFaces, and MySQL. Documentation for systems development and use agile methodologies to work collaboratively with teams to deliver high-quality products.

Activities in a tech laboratory, developing electronic sensors for various applications to solve and optimize activities in the agroindustrial, industry and civil construction areas. Development of prototypes using Solid Works for 3D printing, improving the development of sensors. 3D printing in ABS, PLA, and flexible filament. There is also the maintenance of electronic boards using soldering sta

Activities in a tech laboratory, developing electronic sensors for various applications to solve and optimize activities in the agroindustrial, industry and civil construction areas. Development of prototypes using Solid Works for 3D printing, improving the development of sensors. 3D printing in ABS, PLA, and flexible filament. There is also the maintenance of electronic boards using soldering sta

Worked as Administrative Assistant at Promed Assistência Médica.

Worked as Estagiário at CEFET.

The Fast MBA - Business goes through the entire life cycle of an organization and addresses in an integrated manner several disciplines related to business management.

Knowledge areas: Business Model Canvas, Value Proposition Canvas, Minimun Viable Product, Lean Startup, Project Model Canvas, Digital Marketing, Business Plan, Startup Pitch, Strategic Planning and Operational Management.