Hi there! 👋

🚀 Senior Mobile Developer | Lead Engineer | CTO 🔗 GitHub • dev.to • Pub.dev • Medium • LinkedIn

💡 About Me

Results-driven mobile developer with extensive experience in Flutter, native mobile development, blockchain, and AI-powered solutions. Passionate about clean architecture, automation, and high-performance applications. Experienced in Solana, Rust, Firebase, AI-driven applications, and CI/CD automation, with a strong focus on security and efficiency. Active open-source contributor and advocate for best coding practices.

🔧 Tech Stack & Skills

• Mobile Development: Flutter, React Native, Android (Java/Kotlin), iOS (Swift)
• AI & ML: LLM integration, Prompt Engineering, AI-powered automation
• Blockchain: Solana, Rust, Everscale, Smart Contracts
• Databases: PostgreSQL, MySQL, SQLite, Cloud Firestore, Riak
• Backend: Serverpod, Firebase Functions, Node.js, Rust
• DevOps & CI/CD: GitHub Actions, Docker, Automation fanatic
• Testing: Unit Testing, Integration Testing, Code Coverage

📌 Open Source Projects

🦆 mcp-rubber-duck

An MCP server bridge that queries multiple AI language models simultaneously with conversation context, caching, and intelligent failover. Connected LLMs can use MCP tools directly without polluting the host LLM context.

🤖 vibotron

An AI system prompt optimization pipeline that systematically tests and improves AI prompts through automated evaluation and iteration.

🚀 the_logger (Pub.dev)

A powerful and flexible logging solution for Flutter with advanced customization.

🔐 the_storage (Pub.dev)

A secure and fast storage solution based on SQLite with AES encryption.

🗣️ the_speech_to_text_button (Demo)

A ready-to-use speech-to-text button for Flutter apps.

✍️ Articles & Blog Posts

MCP Rubber Duck series on dev.to:

• 📜 Stop Paying Twice for AI — Turn Your CLI Agents Into Rubber Ducks
• 📜 Stop Launching Chrome to Fetch a JSON File — Give Your Ducks a Fast Lane
• 📜 Stop Feeding DOM Snapshots to Claude — Use a Rubber Duck Instead
• 📜 🦆 Stop Copy-Pasting Between AI Tabs — Use MCP Rubber Duck Instead

More on Medium:

• 📜 MCP Rubber Duck: When One AI Brain Isn't Enough
• 📜 From Zero to Game: Full-Stack Solana Development
• 📜 TheLogger: A Powerful Logging Solution for Flutter
• 📜 Code Coverage in Dart/Flutter: Why It Matters and How to Automate It

💼 Work Experience

• Senior Mobile Developer | Sweat Economy (April 2025 - Present)
  • Mobile app development, AI integration, cryptocurrency platform
• Lead Mobile Developer | We Are Mobile First (2024 - April 2025)
  • AI-driven mobile apps, backend development, prompt engineering
• CTO | DevArtel (2022 - Present)
  • Mobile & backend development, competition shooting system
• Lead Mobile Developer | Callgear (2023 - 2024)
  • SIP softphone with chats, checklists, corporate contact lists
• Lead Mobile Developer | Broxus (2022 - 2023)
  • Crypto wallet, secure storage, Flutter-Rust bridge

🎯 Let's Connect!

I'm always open to discussing open-source projects, collaborations, and new opportunities. Feel free to reach out!

📧 drapolyuk@gmail.com 💼 LinkedIn