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Flutter apps built to survive production.

Mobile software engineer since 2018. I led the Flutter rebuild of a security flagship, owned onboarding on a bank’s migration to Flutter, and now keep theme park and hospitality apps fast for millions of users.

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Selected work

  • Universal Orlando Resort

    via Very Good Ventures

    1 of 2 engineers on the internal app · 5M+ downloads on the flagship

    One of two engineers building an internal app for partner merchants, from the initial phase through to distribution. Previously maintained the resort’s flagship app, with 5M+ downloads on Google Play, within a Flutter team of around twelve engineers.

    • Flutter
    • Dart

  • MGM Rewards

    MGM Resorts International · via Superformula

    Hundreds of thousands of production events · Flutter org of ~20

    Maintained and improved the check-in, the most used feature of MGM’s flagship app. Traced an Android out-of-memory bug using Flutter DevTools and Android Profiler, and contributed to a self check-in app for kiosks.

    • Flutter
    • DevTools
    • Performance profiling

  • Ailos+

    Ailos · via Premiersoft

    500K+ downloads on Google Play · sole engineer on onboarding

    Owned account creation and enrollment end to end. Migrated the bank’s flagship app from native to Flutter with the architecture team, and built a custom MethodChannel plugin bridging Flutter to Kotlin and Swift.

    • Flutter
    • Kotlin
    • Swift
    • MethodChannel

  • D-Guard

    Seventh

    Led 4 engineers · shipped at EXPOSEC

    Rebuilt a security monitoring flagship from native to Flutter, from scratch. Set up the Codemagic CI/CD pipeline, shipped internationalization in English, Spanish and Portuguese, and configured per-client flavors. Enterprise customers adopted it.

    • Flutter
    • Kotlin
    • Swift
    • Codemagic
    • i18n

About

I hold a Bachelor’s degree in Computer Science and have spent my career building cross-platform mobile applications. Flutter is my primary framework — I use it to ship apps that stay fast, readable and maintainable as teams and codebases grow.

Most of my work has been on flagship products already in production: a banking app I migrated from native to Flutter, a rewards app for one of the largest hospitality groups in the world, the flagship app of a global theme park operator, and a security monitoring platform sold to enterprise customers. That means the interesting problems are rarely greenfield — they are memory leaks under real load, native bridges that have to not break, and migrations that cannot drop a feature.

I also work comfortably in native Android and iOS, which is usually what makes a Flutter migration survive contact with the existing codebase.

Experience

  1. Very Good Ventures

    Software Engineer

    • One of two engineers responsible for an internal app for partner merchants at Universal Parks, from initial phase to distribution.
    • Maintaining the flagship app of one of the largest theme park operators in the world, within a Flutter team of around twelve engineers.
    • Contributing to Flutter solutions presented in pitches to global-scale clients.

    2026 — Present

  2. MGM Resorts International

    Software Engineer · via Superformula

    • Maintained and improved the check-in, the most used feature of MGM Rewards, MGM’s flagship app, directly impacting the guest experience.
    • Resolved issues across hundreds of thousands of events in production, within a Flutter organization of around twenty engineers spread over multiple teams.
    • Investigated and fixed an Android out-of-memory issue affecting hundreds of users daily, using Flutter DevTools and Android Profiler to guide the solution.
    • Contributed to a self check-in kiosk app serving thousands of users, and supported other developers in refactoring for readability and consistency.

    2024 — 2026

  3. Ailos

    Software Engineer · via Premiersoft

    • Sole engineer responsible for the onboarding experience (account creation and enrollment) of a banking app with 500K+ downloads on Google Play, within a team of ten Flutter developers.
    • Migrated the app from native to Flutter alongside the architecture team.
    • Built a custom MethodChannel plugin bridging Flutter to Kotlin and Swift, making the enrollment flow faster and simpler for the user.

    2023 — 2024

  4. Seventh

    Software Engineer

    • Led a four-engineer team migrating a flagship security monitoring app from native to Flutter, from scratch.
    • Shipped the app at EXPOSEC, the largest security trade fair in Latin America, where enterprise customers adopted it.
    • Set up Codemagic CI/CD, per-client flavors, internationalization (EN, ES, PT-BR) and Firebase push notifications, and managed both store releases.

    2021 — 2023

  5. Grupo R Carvalho

    Mobile & Full-Stack Developer

    • Sole mobile developer, promoted from intern: introduced Flutter to the company, delivering truck tracking, store audit and shopping apps.
    • Built internal tools in Ruby on Rails, React and PHP.

    2019 — 2021

  6. Freelancer

    Software Engineer

    • Built a menu app for a hamburger restaurant and a scheduling app for a barbershop.

    2018 — 2019

Skills

Languages & mobile

  • Dart · Kotlin · Swift
  • JavaScript · SQL
  • Flutter · Android · iOS
  • MethodChannel · custom plugins
  • App Store · Google Play

Architecture

  • Clean Architecture · S.O.L.I.D
  • MVC · MVVM
  • BLoC · Cubit · Provider · MobX
  • Reactive programming · RxDart · Streams
  • Offline first · optimistic state

Data & delivery

  • REST · GraphQL
  • SQL and NoSQL · Firebase · Azure
  • TDD · unit and integration tests
  • CI/CD · Codemagic · Gitflow
  • Performance monitoring · Scrum · Kanban

Writing & certifications

Writing

Certifications

Leandro Forte, Mobile Software Engineer

Let’s talk.

Open to remote roles and contract work with international teams. Based in Brazil, working across US and European time zones.