Hafiz M.

Senior Software Engineer with 8+ years of experience building, modernizing, and supporting production-grade applications using C#/.NET, ASP.NET Core, Angular, React, Azure, and AWS. ✅ 8+ years of C#/.NET experience ✅ Enterprise SaaS, web applications, APIs, and cloud systems ✅ System design, architecture, modernization, and integrations ✅ AI integration, automation, and intelligent workflows ✅ Experience across LegalTech, GRC, healthcare, ERP, payments, and enterprise software ABOUT ME I help businesses build new software, modernize existing applications, solve production issues, and improve systems that have grown complex over time. My experience covers the full software development lifecycle — from requirements and architecture to backend APIs, frontend applications, databases, cloud deployment, integrations, debugging, performance optimization, and production support. I work heavily with C#/.NET and have built enterprise applications using ASP.NET Core, Web API, Angular, React, SQL Server, PostgreSQL, Azure, and AWS. I also work with AI when it provides real business value. This includes integrating OpenAI, Claude, Azure OpenAI, AI assistants, tool calling, RAG, document generation, business-data access, and workflow automation into existing applications. PRODUCTION & ARCHITECTURE EXPERIENCE I regularly work on: • New SaaS and enterprise application development • Existing application modernization • API design and third-party integrations • Performance and database optimization • Production debugging and reliability improvements • Multi-tenant SaaS architecture • Background jobs and asynchronous processing • Authentication, authorization, and user permissions • Cloud deployments and DevOps • Legacy .NET application upgrades • AI integration into existing products INDUSTRY EXPERIENCE I have worked on complex software products across: • LegalTech and case-management systems • GRC, audit, risk, privacy, and compliance platforms • Healthcare and medical applications • ERP and business-management systems • Payments and FinTech integrations • E-commerce and order-management platforms • Recruitment and workflow automation • Enterprise SaaS applications TECH STACK Backend: C#, .NET, ASP.NET Core, Web API, Entity Framework, Dapper Frontend: Angular, React, TypeScript, JavaScript Databases: SQL Server, PostgreSQL, MongoDB, Redis Cloud: Azure, AWS, Docker, GitHub Actions, Azure DevOps AI: OpenAI, Claude, Azure OpenAI, AI Agents, Tool Calling, RAG Architecture: SaaS, Microservices, Modular Monolith, Event-Driven Systems, Multi-Tenant Applications I focus on building software that is maintainable, scalable, reliable in production, and aligned with the actual business problem.