Hire the Best Appcelerator Titanium Specialists

I'm a full-stack developer with hands-on experience building mobile apps and back-end systems for fintech. At my most recent role, I developed a digital credit app from scratch in Flutter that became one of the company's main channels for customer contracts, while also shipping new and improved back-end flows in PHP (Symfony). Whether you need a mobile app built from the ground up, a solid back-end API, or help improving an existing product, I can help. ∙ Knows Flutter/Dart, PHP (Symfony), Python, SQL, React, and JavaScript ∙ Experience with AWS, PostgreSQL, MongoDB, and MySQL ∙ Background in cybersecurity (AWS Cloud Developer certified; MBA in Cybersecurity in progress) ∙ Fluent in English, native Spanish speaker, plus Portuguese Clear, regular communication is important to me. Let's keep in touch!

I’m a Mobile App Developer with hands-on experience building and publishing production-ready apps for both iOS and Android — from initial development to final App Store and Play Store submission. I specialize in turning ideas or existing web apps into fully functional mobile applications, handling everything end-to-end including authentication, payments, push notifications, and backend integrations. 🚀 What I Do 📱 Build and publish mobile apps (iOS & Android) 🔄 Convert web apps into native apps using Capacitor 🔐 Implement secure authentication (Firebase, Google, Facebook, LINE, Apple, Phone OTP) 💳 Integrate payments (Stripe, 3D Secure, custom flows) 🔔 Set up push notifications using Firebase ☁️ Full Firebase integration (Auth, Firestore, Functions, Storage) 🎬 FFmpeg-based video & audio processing tools 💡 Mobile Development Expertise Capacitor & Cordova (custom plugins, native integrations) Native iOS (Objective-C) & Android (Java) Ionic, Angular, Vue (Quasar) REST API & backend integrations I ensure apps are: ✔ Stable and production-ready ✔ Fully compliant with App Store & Play Store guidelines ✔ Optimized for performance and scalability 🎯 Real Experience Built and published cross-platform apps from scratch Implemented multiple authentication systems across apps Integrated secure payment flows including Stripe Developed FFmpeg-based tools for video/audio processing Delivered apps with real users and production usage 🤝 Why Work With Me Clear communication and fast response Focus on long-term, scalable solutions Experience handling complete app lifecycle (dev → publish → maintain) Reliable delivery with attention to detail If you’re looking for someone who can take your app from idea to live on the App Store/Play Store, I can help you build it the right way.

I am a reliable software developer with over 5 years of development experience, including 2+ years as a freelance developer working with both individual clients, governments and companies. I focus on delivering clean, maintainable codes. Expand my profile for more ⬇️ 🕶️ What I Specialize In: 📱 Mobile Application Development = Android & iOS development using Flutter (primary expertise) = Open to client-required frameworks and architectures 🕸️ Web & Backend Development = Backend systems built with DOTNET / ASPDOTNET Core = API design, data processing, and system integration 💻 Desktop Applications = Cross-platform desktop apps using Flutter or DOTNET or framework requested. ⌚ Embedded Systems = Firmware and device-side development with ESP-IDF or Arduino = Hardware communication and data integration to new or existing app 🎮 Game Development = Published a commercial game using Unity = Familiar with full Unity development workflows (Planning, Developing, Publishing) 🔧 Core Technical Skills = Flutter ⭐ (primary focus) = DOTNET / ASPDOTNET Core (Web, Backend, Desktop, MAUI) = ESP-IDF / Arduino / STM32HAL = Unity, Godot 🤝 Why Clients Choose Me = Clear communication = On-time delivery = Clean, readable, and maintainable code = Comfortable working independently or within existing teams Whether you need a full application from scratch, a working prototype, or help completing or refactoring an existing project, I can step in quickly and deliver reliable results. I’m always open any kinds of projects so don’t hesitate to reach me

Are you looking for a Senior Developer who prioritizes long-term stability over quick hacks? With over 5 years of experience, I specialize in building high-performance Android applications using Jetpack Compose and Kotlin. Whether you are a startup needing an MVP in record time or an enterprise looking to refactor legacy code into Clean Architecture, I can help. What I bring to your project: Architecture First: I use MVVM/MVI with Hilt/Koin to ensure your app is testable and scales as your users grow. Modern UI: 100% Jetpack Compose for fluid, reactive interfaces that users love. Deep Integration: Expert-level handling of Firebase, CameraX, and complex Payment Gateways. Business Focus: I don't just "code"—I help you refine your features for the best user experience. Technologies & Skills: UI/UX & Architecture: ▪ Jetpack Compose, XML ▪ MVVM, MVP, MVI ▪ Dependency Injection (Koin/Hilt) ▪ Clean Architecture Databases & Backend: ▪ Room, SQLite ▪ Firebase (Auth, Firestore, FCM) ▪ MySQL, SQL Server ▪ RESTful APIs, GraphQL, Retrofit Advanced Features: ▪ CameraX, Maps ▪ YouTube API, MediaSession, ExoPlayer ▪ Push Notifications, In-App Ads Project Types: ▪ POS Systems & KDS ▪ Productivity Apps ▪ SDK Integration ▪ Authentication Systems Tools & Workflow: ▪ Git, GitHub ▪ Agile/Scrum ▪ CI/CD I am here to solve problems fast and deliver apps that scale. Let's talk and build something great together!

Senior Mobile Application Developer | Flutter, Android, iOS | SAP, AI & Enterprise Integration I am a Senior Mobile Application Developer with 10+ years of experience delivering production-ready applications across Android Native, iOS, Flutter, and React Native, along with 3 years of experience working with SAP systems. My strongest expertise is in Android (Java & Kotlin), focusing on performance optimization, scalable architecture, and system-level development. I have also delivered multiple Flutter applications, helping teams accelerate development while maintaining high code quality. 🔹 SAP & Enterprise Experience (3 years) Hands-on experience with SAP ABAP (custom reports, data processing, backend logic) Experience working with SAP Fiori / UI5 for enterprise user interfaces Functional knowledge of SAP modules: SD, MM, FI and related business workflows Integration between mobile applications and SAP systems via APIs / OData services Handling enterprise data flows, transactions, and secure system communication 🔹 AI & AI Agent Integration Integrating AI APIs (chatbots, content generation, automation tools) into mobile apps Building AI-powered features such as smart assistants and workflow automation Working with AI agents for task execution and structured responses Managing prompt design, API communication, and response handling I specialize in: 🔸 Building and improving existing mobile applications 🔸 Bug fixing, performance optimization, and feature enhancements 🔸 Clean architecture (MVP, MVVM) for scalability 🔸 Complex integrations (AI systems, SAP, enterprise backends) After several years as a hands-on developer, I became a Team Leader, responsible for architecture decisions, code reviews, and mentoring developers.

Software Engineer with experience in building cross-platform mobile applications using Flutter, Swift and Kotlin. Skilled at migrating legacy systems, improving app performance, and delivering high-quality features to production. Strong collaborator with a track record of releasing apps at scale, optimizing user experience, and adapting quickly to new technologies.