Sushil K.

𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 | 𝟭𝟬𝟬% 𝗝𝗼𝗯 𝗦𝘂𝗰𝗰𝗲𝘀𝘀 | 5,𝟬𝟬𝟬+ 𝗨𝗽𝘄𝗼𝗿𝗸 𝗛𝗼𝘂𝗿𝘀 | $1𝟬𝟬𝗞+ 𝗘𝗮𝗿𝗻𝗲𝗱 | Microsoft Certified Professional I build, modernize, optimize, and support enterprise .NET applications, SaaS platforms, business systems, APIs, integrations, and cloud-based applications, using modern AI-assisted development tools such as Claude and GitHub Copilot to improve development speed, code quality, troubleshooting, and productivity. WHAT I BUILD ──────────────────────── ✦ Enterprise & SaaS Applications — scalable C#/.NET and ASP.NET Core applications, business platforms, workflow systems, multi-tenant applications, dashboards and backend services ✦ Custom Web Applications & Portals — full-stack applications using ASP.NET Core, MVC, Web API, Angular, Blazor, JavaScript and SQL Server ✦ API & Integration Solutions — REST APIs, Web APIs, microservices, third-party integrations, payment/service integrations, data synchronization and system-to-system communication ✦ Cloud-Ready .NET Applications — applications deployed across AWS, Azure and GCP, with Docker containerization, environment configuration and production deployment ✦ Legacy .NET Modernization — modernizing older ASP.NET, .NET Framework, MVC, WinForms and WPF applications into maintainable, scalable and cloud-ready .NET 6/7/8 and ASP.NET Core solutions ✦ Performance & Scalability Engineering — diagnosing slow applications, optimizing C#/.NET code, SQL queries and database operations, resolving bottlenecks, concurrency issues and scalability problems ✦ Production Troubleshooting & Application Support — investigating difficult bugs, application failures, data inconsistencies, integration issues and performance problems in complex existing systems ✦ CI/CD & Deployment Automation — Docker, Git, Jenkins and CI/CD pipelines for automated builds, deployments and reliable releases across development, staging and production environments ✦ ABP Framework & ASP.NET Zero — enterprise applications, multi-tenancy, authentication, authorization, APIs, background jobs and custom business workflows TECH STACK ──────────────────────── + Backend: C# · .NET 8 / .NET 7 / .NET 6 · .NET Core · .NET Framework · ASP.NET Core · ASP.NET MVC · Web API · REST APIs · SOAP · Microservices · Entity Framework Core · Entity Framework · NHibernate · Dapper · LINQ + Frontend: Angular · Blazor · JavaScript · jQuery · HTML · CSS · MVC/Razor + Cloud & DevOps: AWS · Microsoft Azure · Google Cloud Platform (GCP) · Docker · Jenkins · Git · CI/CD · Cloud Deployment · Production Deployment + Databases: SQL Server · MySQL · PostgreSQL · Entity Framework · NHibernate · Dapper · Stored Procedures · Query Optimization · Database Performance Tuning + Architecture & Engineering: Solution Architecture · Enterprise Architecture · SaaS · Multi-Tenancy · Microservices · API Architecture · Performance Optimization · Scalability · Concurrency · Data Consistency · Legacy Modernization + Frameworks & Platforms: ABP Framework · ASP.NET Zero · WPF · WinForms · Office/VSTO · Background Jobs HOW I WORK ──────────────────────── I stay involved from architecture through development, deployment, and production support. I write maintainable, production-ready code, communicate clearly, and focus on solving the underlying problem rather than simply implementing the requested change. When I join an existing project, my first priority is understanding the business workflow, architecture, codebase, database, integrations and deployment environment. From there, I identify the real risks and bottlenecks and work toward practical solutions without unnecessarily disrupting what already works. Depending on what your project needs, I can work as a hands-on Senior .NET Developer, .NET Consultant, Technical Lead, Solution Architect, or long-term development partner. If you have an existing .NET application that needs development, modernization, performance optimization, cloud deployment, production troubleshooting, or ongoing technical ownership, send me the project details. I'll be happy to understand the problem and tell you honestly how I can help.