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🌟 CTO/Fullstack Developer with 15+ years of experience | TOP 50 Tech Visionaries in the US by InterCon | ex-mentor for Facebook Development Circle | Delivering High-Quality AI Solutions for Web, Cloud, and Enterprise Applications. 𝗪𝗛𝗬 ME ✅ Experience of building industrial solutions for inspection, maintenance, asset management, asset downtime optimization, etc.; ✅ 6,000+ hours on Upwork and 30,000+ hours in total; ✅ 100% Project Success; ✅ Fluent English; ✅ More over 15 years of development experience, driving scalable product architecture. ✅ I can help you to connect business needs with technologies; 𝗪𝗛𝗔𝗧 I 𝗖𝗔𝗡 𝗗𝗢 𝗙𝗢𝗥 𝗬𝗢𝗨 • AI-powered business applications • AI Product Architect • AI Startup CTO • Fractional CTO • Technical Product Strategy • AI Solution Architecture • Rapid MVP Development with AI • AI-Assisted Software Development • Custom Industrial SaaS products • Inspection & Maintenance platforms • Asset Management systems • Field Service Management software • ERP & CRM integrations • Internal operational platforms • Customer & Vendor portals • Workflow Automation • Business Intelligence dashboards • Enterprise APIs • Cloud-native applications 🌟 Let’s Bring Your Vision to Life! Whether you need a custom web application, a cloud-integrated solution, or robust API services, I’m here to help. Let’s discuss your project and turn your ideas into reality! Industry Expertise: Mining · Oil & Gas · Construction · Manufacturing · Transportation & Logistics · Financial Services · Healthcare · Real Estate · Travel & Hospitality 🔑 HIGHLIGHTED SKILLS Custom Software Development · Enterprise Software Development · SaaS Development · AI-Powered Applications · AI/ML Software Development · AI Agents · AI Automation · LLM Integration · Workflow Automation · Business Process Automation · Inspection & Maintenance Software · Asset Management Software · Field Service Management Software · ERP & CRM Integrations · Web Application Development · Mobile App Development · Cloud Application Development · API Development · Microservices Architecture · Software Architecture · Data Engineering · DevOps · Quality Assurance · Product Discovery · MVP Development · CTO as a Service · Fractional CTO · AI Technical Leadership · CTO for AI & Vibe Coding Projects · Rapid AI Product Development · Dedicated Engineering Teams · Team Augmentation · UI/UX Design

I'm a .NET Developer with 8+ years of experience in backend development, helping businesses create robust, high-performance API as microservices or monoliths ⭐️⭐️⭐️⭐️⭐️ "A highly capable .NET Developer. I was genuinely impressed by his technical expertise and sharp problem-solving skills. He delivered quality work and communicated clearly throughout the project." 🚀 What I Bring to Your Project as a C# Developer .Net Developer: ✅ I have 8 years of hands-on experience in enterprise-level C# Development. ✅ As a .NET Developer, I build secure and high-performing server-side applications using ASP.NET Core, focusing on speed, scalability, and smooth cross-platform integrations. ✅ Being a .NET Developer, I architect solutions with clean code principles, leveraging MVC patterns and layered architecture to deliver scalable systems that are easy to maintain and extend. ✅ As a .NET Developer, I'm skilled in designing and consuming RESTful APIs, allowing your applications to communicate effectively with third-party services and internal microservices. ✅ As a .NET Developer, my expertise in SQL Server, PostgreSQL, MongoDB and Entity Framework helps me develop lightning-fast database queries, optimize storage operations, and enforce data integrity. ✅ A .NET Developer with cloud fluency, I deploy and manage resilient applications using Azure App Services, Functions, and Blob Storage, enhancing performance and availability. ✅ As a .NET Developer Full Stack Developer, I seamlessly integrate UI technologies like Razor Pages, Blazor, and React to build user-friendly and responsive interfaces that elevate user engagement. ✅ As a .NET Developer, I specialize in building powerful desktop apps using Windows Forms and WPF—bringing modern interfaces and business logic to legacy systems. ✅ As a .NET Developer working within Agile teams, I employ CI/CD pipelines, Git workflows, and DevOps methodologies to ensure reliable and streamlined releases. ✅ A .NET Developer who prioritizes performance, I optimize memory usage, reduce lag time, and deliver systems that feel fast, stable, and scalable. ✅ As a .NET Developer, I champion quality with unit testing using xUnit/NUnit and integration testing frameworks to guarantee production-ready releases. 📊 Achievements in Numbers: 🎯 C# Developer for travel SaaS Platform: ✔ 200% decrease of time processing record. ✔ 50% fewer developers errors through proven architecture. ✔ 40% fewer downtimes through smarter exception handling and logging. ✔ 30% faster checkout process, reducing customer drop-off ✔ 70% reduction in manual work, streamlining operations and enhancing productivity. ✔ 5% revenue growth after optimizing data flows. 🎯 C# Developer for cybersecurity startup: ✔ 6 month till MVP. ✔ 1 year till product released with all features. 🎯 C# Developer for an Industrial App Project: ✔ 2x faster operations due to migration to scalable DB. ✔ 3x faster user onboarding due to well-known architecture. 🚀 Why Choose With Me As Your C# Developer/Backend Developer? ✔ 8 years of experience in .Net, RESTful Web services and APIs. ✔ 30+ successfully completed projects across various industries. ✔ 15+ satisfied clients who have seen tangible business growth. ✔ Expert in .Net, Microservice Architecture, EF Core. ✔ .NET developer microservices, dotnet developer monoliths, .Net Developer AI, C# Developer integration. .NET developer needed? 𝗥𝗲𝗮𝗱𝘆 𝘁𝗼 𝘀𝘁𝗮𝗿𝘁❓ 💼🤝👨‍💼 Just 𝗰𝗹𝗶𝗰𝗸 𝘁𝗵𝗲 "𝗠𝗲𝘀𝘀𝗮𝗴𝗲" 𝗯𝘂𝘁𝘁𝗼𝗻 𝗶𝗻 𝘁𝗵𝗲 𝘂𝗽𝗽𝗲𝗿 𝗿𝗶𝗴𝗵𝘁 𝗰𝗼𝗿𝗻𝗲𝗿. Let's Build Something Great Together!

🔵 15+ years developing first-class web, mobile and AI apps that achieve business goals and hit the mark. As an AI developer and web developer, my expertise led my team to work with Fortune 500 companies such as Philip Morris, Coca-Cola, DANONE, McDonald’s (Ukraine), and Kimberly-Clark. I started as a programmer in 2006. Now, I'm CTO at Brights — a software company focused on web, mobile and AI products, with 120 person engineering team who specialize in AI Chatbot systems, advanced AI Integration solutions, AI Saas web and mobile app development. As a deal closer, I also work closely with clients during product strategy and delivery. I support companies through every stage of development backed by experienced AI developer, AI Chatbot, AI API Integration developer — from MVPs to scaling including AI developer | AI Chatbot | AI API Integration Our experience includes API integration, complex API integrations, and enterprise-grade AI API Integration. Within the last 14 years, I have delivered 330+ projects across fintech, insurtech, healthcare, eCommerce, real estate, education, logistics, and more as an AI developer | AI Chatbot | AI API Integration developer. 👩‍💻 Technical stack I cover as an AI developer | AI Chatbot | AI API Integration: Front-end: • Vue.js, React, Angular, Next.js, Redux, react native Back-end: • ASP.NET, PHP, Node.js, GraphQL Mobile: • React Native, iOS, Android, with support from a dedicated Mobile app developer and Flutter developer as well as Mobile game developer Artificial Intelligence tech stack I cover as an AI developer | AI Chatbot | AI API Integration: • Python developer workflows, LangChain, GPT-4o, gpt-3, OpenCV, Hugging Face, RAG, LLM, AI machine learning, and scalable machine learning pipelines Data & Architecture: • PostgreSQL, MongoDB, Redis, Elasticsearch for both mobile app marketing and web • Supported by experienced data scientist and full stack developer teams Integrations: • Analytics, CMS, Swagger, botpress, chatbots, AI API, and automation systems with reliable API integration 🏆 I deliver web and mobile solutions since 2011 and have 15+ years building custom software with 330+ products shipped as an AI developer 🌍 As an AI developer I worked with clients in 30+ countries - SMBs to Fortune 500 ⭐️ 5.0 on Clutch · ISO / IEC 27001 certified 🔁 89% client retention and 36-month average partnership 📈 As an AI developer and AI Chatbot specialist I scaled products to 100M+ users (Headway project) and 50M+ installs (BetterMe project) ⚡️ Handled 2M users/ hour at peak and delivered 10x API performance (Yasno project) as a AI Chatbot | AI API Integration specialist 💰 10x infrastructure cost cut and < 0.1% launch defect rate (Shugaland project) 🤖 AI in production: agents, RAG & computer vision · up to 80% expert-level accuracy delivered as an AI Chatbot | AI API Integration and AI developer 🔗 50+ integrations: Stripe, Twilio, OpenAI, Shopify, HubSpot, Vimeo & more (треба перевірити *) 💼 Trusted by PMI, Suzuki, Avis, Samsung, Mastercard & Microsoft 🔒 Production-grade, secure code your team can maintain 🔗 As an AI API Integration specialist I work with Stripe, Twilio, Google Maps, Vimeo, Okta, HubSpot, GA4, QuickBooks, LiqPay, BankID, Nova Poshta, Plate Recognizer, IMATAG, Mixpanel, and dozens more. If you are looking for AI developer | AI Chatbot | AI API Integration or AI Automation specialist with strong mobile app design experience (Figma mobile app) - drop me a line.

Looking for a backend expert who can build robust web and desktop applications with scalable architecture? I’m a Backend Developer specializing in .NET, C#, Go, and cloud platforms, with 15+ years of experience delivering high-performance solutions. I combine deep technical expertise with practical architecture design, ensuring your projects are reliable, maintainable, and future-ready. - 15+ years of experience in Software Engineering - 4+ years average project duration - I’ve worked across various industries, including Retail, Healthcare, Fintech, and Sports - Created ERP, CRM, POS systems, complex web platforms, and desktop applications. - My experience also covers system architecture, requirements analysis, and deployment pipelines, helping businesses optimize workflows and scale efficiently. - Specialize in full lifecycle development (SDLC) and high-performance solutions with .NET, Go, and React - Design and implement distributed systems, AI-driven applications, cloud-native platforms, - Ensure secure, efficient, and resilient systems, including web portals, APIs, mobile apps, and IoT integrations Core Technologies & Skills: - Languages: C#, TypeScript, Go, C++ - Frameworks: .NET Core, ASP.NET MVC, Tauri, Gin, Avalonia, Blazor - Architecture & Design skills: Solution Architecture Principles, Design Patterns, DevOps and CI/CD Pipelines, Security and Compliance, Integration Architectures, Performance & Scalability Design, Data and Storage Architectures - Databases: Microsoft SQL, PostgreSQL, CosmosDB, Redis, Azure SQL - Front end: React, Next.js, Tailwind - Cloud Services: Azure, AWS, Vercel, Netlify, Supabase - Other: Rust, Docker, PlatformIO, Unity3D, Swift, Augmented Reality, TUI, IoT If you need someone who can turn complex backend requirements into scalable, high-performance applications, I’ll help bring your project to life. Explore my portfolio of projects delivered with my team at MobiDev, helping businesses across North America and Europe achieve their software goals.