Victor Y.

Senior .NET & Full-Stack Engineer (8 yrs) building logistics, manufacturing, edtech, supply chain, and marketplace platforms, with hands-on experience adding AI features (Claude API) and using AI-assisted development Since the start of my career, I’ve delivered 80+ projects across logistics, transportation, warehousing, inventory, automotive, supply chai, edtech and marketplace domains. I work with founders, product teams, and enterprises, helping companies cut development costs by up to 50% while delivering stable, production-ready software. 👨‍💻 My skills include: • Working with .NET frameworks from the very first contact: .NET, .NET Core, Node.js, NestJS, ASP.NET, ASP.NET Core, ASP.NET MVC, C#, Entity Framework, API • Full-stack development: .NET C#, ASP.NET , React, Next.js, Angular, HTML, CSS, TypeScript, Tailwind, Javascript • For databases I usually use MySQL, SQL Server, PostgreSQL, Redis, MongoDB • Cloud and deployment(DevOps) experience in : AWS, Azure, Microsoft Azure, CI/CD pipelines, Docker, Kubernetes, CI/CD. • Real time notifications and messaging: SignalR, WebSocket • Architecture & Scalability: Monolithic Architecture, Microservices, Event-Driven Systems • Security & Authentication on JWT, OAuth 2.0, Role-Based Access Control • Integrations: Payment Gateways, CRM/ERP Systems, Third-Party APIs, GPS & Tracking Services • AI-assisted development : Claude Code, Cursor, Codex, ChatGPT • AI features in your product, such as automated pricing, smart search, and document processing, built into .NET backends 🤖 AI integration: Anthropic Claude API, AI-driven pricing and valuation, smart automation inside .NET backends, AI-assisted development (Claude Code, Cursor, Codex, ChatGPT) 🔍 Key Project Highlights: Transportation Management System Using .NET Framework, ASP.NET, ASP.NET MVC, React, SQL Server, Web API, SignalR, JWT, Azure developed a transportation management system supporting shipment lifecycle management, dispatch planning, vehicle allocation, driver assignments, route optimization, administrative and operational dashboards and real-time shipment tracking. Maintained Travelport Universal API integrations using C# / .NET Inventory Platform/ERP Spent years as a Lead .NET full stack developer building a comprehensive inventory ERP system for supply chain management. Real-time inventory tracking, automated order intake, stock replenishment, and delivery coordination modules with microservice integrations, Web APIs, and cloud-based infrastructure. Tech stack I used: .NET, ASP.NET Core, C#, React, Next.js, TypeScript, SQL Server, Entity Framework, and RESTful APIs. Marketplace for Car Auctions (Automotive marketplace) Built from scratch multi-tenant automotive SaaS with integration with Rapid Car Check API and Anthropic Claude AI API (calculates the purchase offer based on car details and condition) . I used a .NET-based backend with microservice architecture and SQL database integration. Integrated Anthropic Claude AI to automatically calculate purchase offers from vehicle details and condition, replacing manual valuation and speeding up dealer decisions. Key features: dealer management, vehicle listings, bidding workflows, subscriptions, payment processing, and vehicle verification services developed with ASP.NET Core, React+ Next.js, Entity Framework, RabbitMQ, and SQL Server and TypeScript. Custom tracking and monitoring App IOS/Android As a Team Lead contributed to a real-time tracking platform for monitoring field operations, assets, and vehicle movements with live GPS tracking, geolocation, task management, photo uploads, and operational reporting. Built scalable APIs, integrated Google Maps and GPS providers, implemented push notifications and offline synchronization. Tech: ASP.NET Core, Web API, React, React Native, TypeScript, SignalR, SQL Server, Azure, Google Maps API. CRM Reviewed the architecture of a multi-role CRM for a printing business. Using .NET Core, improved the system performance by 30% through database query tuning and backend refactoring. Using .NET Core, ASP.NET Core, C# developed new modules for order processing and invoicing. Key things to consider: 📎 8+ years as a web and app developer and .NET software engineer 📎 110+ clients worldwide (US, UK, EU, Middle East, Australia) 📎 50% cost reduction through AI-assisted coding (Claude Code, Codex, Cursor and Chat GPT) and proven frameworks 📎 Delivered 70+ Web platforms, SaaS products, and Mobile apps 📎 Strong focus on architecture, clarity, and long-term maintainability If you’re looking for a full-stack .NET developer, a reliable .NET engineer or someone who can grow into a long-term technical partner – I’m ready to help, click the green INVITE button, and let’s give it a try.