Md. Saddam Hossain

𝐒𝐞𝐧𝐢𝐨𝐫 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 with 𝟏𝟎+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 building and maintaining scalable web applications using .𝐍𝐄𝐓 technologies. Strong focus on 𝐛𝐚𝐜𝐤𝐞𝐧𝐝 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭, 𝐀𝐏𝐈 𝐝𝐞𝐬𝐢𝐠𝐧, and designing clean, maintainable software architectures with 𝐀𝐒𝐏.𝐍𝐄𝐓 𝐂𝐨𝐫𝐞 and 𝐖𝐞𝐛 𝐀𝐏𝐈𝐬. Experienced in designing robust software solutions, optimizing system performance, and collaborating with cross-functional teams to deliver reliable, production-ready applications. Skilled in building scalable systems with a focus on performance, maintainability, and long-term business value. Currently open to 𝐫𝐞𝐦𝐨𝐭𝐞 𝐟𝐮𝐥𝐥-𝐭𝐢𝐦𝐞 𝐨𝐩𝐩𝐨𝐫𝐭𝐮𝐧𝐢𝐭𝐢𝐞𝐬, contract roles, and freelance projects where I can contribute to building modern .NET and AI-powered applications. 𝐂𝐨𝐫𝐞 𝐒𝐤𝐢𝐥𝐥𝐬 & 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬 & 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬: C#, .NET 8/9/10, ASP.NET Core, ASP.NET MVC, Web API 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 & 𝐃𝐞𝐬𝐢𝐠𝐧 𝐏𝐚𝐭𝐭𝐞𝐫𝐧𝐬 & 𝐏𝐫𝐢𝐧𝐜𝐢𝐩𝐥𝐞𝐬: RESTful APIs, Clean Architecture, Layered Architecture, Vertical Slice Architecture, Domain-Driven Design (DDD), CQRS, Repository Pattern, Mediator Pattern, OOP, SOLID, DRY, KISS, YAGNI & Clean Code 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬 & 𝐎𝐑𝐌: SQL Server, Entity Framework Core, Dapper, LINQ, Stored Procedures 𝐂𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬: Azure, Azure DevOps, GitHub Actions, CI/CD 𝐓𝐞𝐬𝐭𝐢𝐧𝐠: xUnit, Unit Testing, Integration Testing, Architecture Testing(NetArchTest.Rules), Fluent Assertions, Shouldly, NSubstitute 𝐎𝐛𝐬𝐞𝐫𝐯𝐚𝐛𝐢𝐥𝐢𝐭𝐲 & 𝐃𝐨𝐜𝐮𝐦𝐞𝐧𝐭𝐚𝐭𝐢𝐨𝐧: Swagger/OpenAPI, Scalar, API Versioning, Health Checks, Serilog 𝐅𝐫𝐨𝐧𝐭-𝐄𝐧𝐝: Blazor, MudBlazor, Razor Pages, Bootstrap 𝐀𝐈 & 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐭 𝐒𝐲𝐬𝐭𝐞𝐦𝐬: Generative AI, AI Agents, OpenAI Integration, AI Chatbot Development 𝐓𝐨𝐨𝐥𝐬: Visual Studio, SSMS, Postman, Insomnia, Git, Jira, Trello, Slack, Copilot, Claude, Codex. 💬 Let’s Connect If you're looking for a software engineer who builds clean, scalable, and business-focused solutions - or if you're working on backend systems, cloud platforms, or AI-powered applications - I'd be happy to connect and explore potential collaboration opportunities.