Grigor A.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Need a senior mobile developer to build, improve, or rescue your application? I help startups and product teams deliver stable, polished iOS and Flutter apps—from architecture and feature development to third-party integrations, performance optimization, and production release. I have 8+ years of mobile development experience, specializing in: • Cross-platform development with Flutter and Dart • Native iOS development with Swift and Objective-C • Augmented reality with ARKit and SceneKit • Firebase, REST APIs, authentication, maps, and analytics • App modernization, debugging, and performance optimization • Clean, scalable architecture for long-term development AI-Enabled Development I use modern AI development tools—including Claude, Cursor, ChatGPT, MCP servers, and reusable AI skills—to accelerate research, prototyping, debugging, code review, testing, and documentation. Every AI-assisted output is reviewed and validated to maintain code quality, security, and reliability. My recent project experience includes Spark.work, GOLoop, OLoop, TradeCloud, ARtoon, SharkClean, CoinStats, and FlickPlay. I have contributed to products across HR technology, fintech, augmented reality, smart-home technology, social media, and business platforms. I was invited to WWDC24 and WWDC26 at Apple Park. Why clients work with me: • Strong iOS and Flutter expertise • Modern AI-assisted development workflow • Product-focused approach—not just writing code • Clean and maintainable implementation • Clear progress updates and dependable delivery • Experience with new products and established applications If you need help developing a mobile product, integrating modern AI capabilities, adding features, solving technical problems, or improving an existing application, send me a short description of your project.