Hire the Best Kotlin Developers
in Kazakhstan

AVAILABLE TODAY [05.06.2026] "A true tech visionary. We grew revenue +300% thanks to his architecture and execution." Alex Johnson, FinTech venture. Message me "START" for a free 30-minute consultation - I will map out your tech stack, roadmap, and MVP definition Want a product that scales as fast as FxPro (15M+ users)? I build high-performance mobile apps and web solutions where architecture meets business growth. From native-level KMP apps to AI-driven video analysis, I build assets that increase revenue. Why partner with me: - Mobile mastery: Flutter, KMP (Kotlin Multiplatform), Swift, Kotlin. - Scalable Web: React, Next.js, Node.js, .NET Core. - AI & Data: Python, PyTorch, YOLO (Computer Vision), IoT Telemetry. - Cloud & Security: AWS, Docker, PCI-DSS compliance, PassKey encryption. Key impact projects: 📌 FxPro - Elite Trading Platform (15M+ downloads). Architected native mobile apps and high-load backend. Won multiple international awards. 📌 Volga Surf Camp - KMP App. Increased service usage by 2-4x and reduced admin workload by 3x. Expert use of Kotlin Multiplatform. 📌 PPE Detection System - AI/Computer Vision. Neural network for real-time safety monitoring on construction sites using YOLO and PyTorch. 📌 Grineo - FinTech Wallet. Launched secure MVP in 3 months (50% faster than average) with PassKey encryption. I take max 3 clients for VIP focus - message me "START" and let's get your project into shape!

I help clients build, fix, and ship Flutter, iOS, and Android apps. Strong in existing codebases, bug fixing, architecture improvements, API integration, performance optimization, and release preparation. I step into ongoing projects quickly, identify weak points, and move apps toward a stable production release. What I can help with: * Flutter development for iOS and Android * Native iOS development with Swift / SwiftUI * Native Android development with Kotlin / Java * Bug fixing, refactoring, and performance optimization * Backend, Firebase, and REST API integration * App Store / Google Play release support I work on marketplaces, e-commerce, social apps, messaging, education products, delivery apps, and real-time mobile features. I can also help with AI-powered mobile features and computer vision workflows, including backend-connected processing pipelines, OpenCV-based image handling, YOLO-style object detection, and practical AI integrations inside mobile products. Tech stack: Flutter, Dart, Swift, SwiftUI, Objective-C, Kotlin, Java, Firebase, Firestore, REST APIs, WebRTC, OpenCV, YOLO, AI integrations, Clean Architecture, MVVM, MVP, SOLID I focus on stable code, clear communication, and reliable delivery.

Android Developer with 5+ years of experience in building, improving, and maintaining mobile applications. I specialize in Kotlin and modern Android development, including Jetpack Compose, XML, Coroutines, Room, Retrofit, Ktor, Dagger, Koin, Clean Architecture, MVVM, MVI, and MVP. I have experience with multi-module architecture, local data storage, REST API integrations, background services, CI/CD with GitHub Actions, Google Play publishing, debugging, refactoring, and performance improvements. I also have strong Android reverse engineering experience, including JADX, Smali, Frida, LSPosed, Charles Proxy, SSL pinning bypass, APK analysis, and modification. My goal is to deliver clean, stable, and maintainable solutions that are easy to scale and support.

Hello! Looking to transform your idea into a cutting-edge mobile, web, or game experience? 💡 I'm pleased to offer a 𝐅𝐑𝐄𝐄 𝟒𝟎-𝐦𝐢𝐧𝐮𝐭𝐞 𝐭𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐜𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐭𝐢𝐨𝐧 to understand your vision and outline the ideal strategy for your project. With over 10 years of experience in mobile, web, and game development, I bring a versatile skill set to deliver reliable, high-quality solutions tailored to your needs. 🔹𝐆𝐚𝐦𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & 𝐃𝐞𝐬𝐢𝐠𝐧: -Unity: C# for engaging gameplay and interactive elements. -UI/UX: Figma, Photoshop for intuitive, user-friendly designs. 🔹 𝐌𝐨𝐛𝐢𝐥𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: -Android: Kotlin, Java for robust, scalable apps. -iOS: Swift for seamless, high-performance iOS experiences. 🔹 𝐖𝐞𝐛 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: -Frontend: JavaScript, TypeScript, Vue.js for responsive, engaging interfaces. -Backend: Python, Django for secure, scalable server-side solutions. I am dedicated to quality, clear communication, and delivering results that exceed expectations. Let’s make your project a success together!

2001-2006, BSc of Engineering from Satbayev University. I’m a professional software developer & researcher, former competitive programmer

Need a Scalable Architecture or Custom AI Integration? I help startups and enterprises build robust, production-ready digital products that scale, automate workflows, and cut operations costs. As the CTO and Lead Architect at 23devs (Top-Rated Plus agency, 100% JSS, 250+ projects), I provide more than just clean code — I deliver technical strategy, AI-driven innovation, and a vetted team ready to execute. 🚀 WHAT I BRING TO YOUR PROJECT — ARCHITECTURE FIRST: I design high-load, maintainable systems from scratch (Node.js, PHP, Cloud Infrastructure). - AI & AUTOMATION STRATEGY: I integrate OpenAI, Azure, Gemini, and Claude to build Smart AI Agents, custom OCR data extraction, and streamline workflows using n8n and Make. — MOBILE EXCELLENCE: High-performance apps for iOS & Android utilizing Flutter, Swift, Kotlin and Kotlin Multiplatform (KMP). — BUSINESS SYSTEMS: Deep expertise in CRM, Bitrix / Bitrix24, and custom ERP systems. 🔹 CORE TECHNICAL EXPERTISE: - BACKEND & CLOUD: Node.js, PHP (Laravel, CakePHP, WordPress, CodeIgniter), Firebase, Supabase. - FRONTEND: Expert-level Angular, Vue.js, TypeScript. - DATABASES: PostgreSQL, MySQL, MongoDB. — MOBILE: Swift, Kotlin, Flutter, and Kotlin Multiplatform (KMP), Objective-C, Java. - AI & INTEGRATIONS: OpenAI API, LangChain, n8n, Make, Custom REST/GraphQL APIs. 👥 THE POWER OF A TEAM, THE FOCUS OF AN EXPERT When you hire me, you get my personal architectural oversight and CTO-level strategy. Need to scale? We can transition from a solo expert to a dedicated team (UI/UX, QA, DevOps) within days, backed by our Top-Rated Plus agency resources. Let’s turn your vision into a scalable reality. Click "Invite" to schedule a brief 10-minute discovery call.