https://glasberg.dev/I've created and launched the mobile apps for American startups such as Parkside, Kalshi and Pid, for both iOS and Android. I have also lots of experience with web and backend.I'm an engineer from ITA, the top engineering university in Brazil, founded by MIT professors.• Dart/Flutter (Android and iOS)• Native Android Java/Kotlin. iOS Swift• AppStore and Google Play. Approving and launching apps• JavaScript/Typescript. HTML/CSS. jQuery. React.js. Web apps. SPA• Java, Hibernate/JPA, JUnit, Mockito • Python, C++ (past experience)• SQL, MySQL, PostgreSQL, NoSQL• Analytics. A/B testing. Performance monitoring and error tracking• UI/UX. HCI and UX research. Figma. Affinity Photo. Design language. Experience with rtl languages• Amazon Lambda, S3, DynamoDB, IAM, Cognito• Google Firebase, Cloud Firestore, Google Cloud Storage, Cloud Functions, PubSub, BigQuery• REST, GraphQL, gRPC. API design, networking• Clean Code. Testable code. Quality. SOLID. Design Patterns• TDD (Test Driven Development), Unit testing, Integration testing• BDD (Behavior-Driven Development), Technical debt management• Back-end simulation for integration tests• Agile. Kanban. CI/CD. Git, GitHub. Jira• Software architecture. System design • Cryptography. Immutable data structures• Performance optimization, reliability• Debugging and Profiling• Online payments. Fintech. Stock market. Cryptocurrencies• Localization and internationalization• Plugin development for IntelliJ IDE• AI and prompt engineering• Mentoring/Coaching. Remote teams• Technical writing and documentationMy Code • GitHub - https://github.com/marcglasberg • pub.dev 15 packages - https://pub.dev/publishers/glasberg.dev/packages • StackOverflow 28,000+ points - https://stackoverflow.com/users/3411681/marcg?tab=profileOpen Source (See in https://github.com/marcglasberg) Java: • Hibernate Inspections Plugin for IntelliJ • Marcelo's Flutter/Dart Essentials Plugin for IntelliJ Dart and Flutter: • Fast Immutable Collections, BDD Framework, Weak Map, Matrix4 Transform, Async Redux, I18n Extension, Align Positioned, Network to File Image, Image Pixels, Back Button Interceptor, Indexed List View, Animated Size/Fade, Assorted Layout Widgets, ThemedPatents - United States Patent and Trademark Office (USPTO)• US7596530B1 — Cryptography for payments• US7917437B1 — Cost reduction for Internet paymentsMy article on Flutter layout is the de-facto reference published by Google in the official docs: https://flutter.dev/docs/development/ui/layout/constraints