Bhuvnesh K.
.NET Web Application Maintenance, Issue Resolution & Upgrades
I help businesses manage, maintain, enhance, and modernize existing .NET web applications. I work comfortably with established codebases, understand existing business logic, fix issues, implement new features, and improve application performance without disrupting existing functionality. With 8+ years of experience across Microsoft technologies, I can support both short-term fixes and ongoing development of existing applications. 💼 What I Can Help You With ✅ Manage and update existing .NET web applications ✅ New feature development and enhancements ✅ Bug fixing and issue resolution ✅ Code maintenance and refactoring ✅ ASP.NET / ASP.NET Core development ✅ C# backend development ✅ REST API development and integration ✅ SQL Server database development and optimization ✅ Third-party API and system integrations ✅ Performance and functionality improvements ✅ Legacy .NET application modernization ✅ Ongoing application maintenance and support ⚙️ Technology Stack C# | .NET | ASP.NET | ASP.NET Core | Web API | REST APIs | SQL Server | Entity Framework | JavaScript | TypeScript | React | Azure ⭐ Why Work With Me ✔ Experience working with existing production applications and codebases ✔ Strong understanding of Microsoft/.NET development ✔ Ability to understand existing architecture before making changes ✔ Clean, maintainable and scalable code ✔ Focus on fixing issues without breaking existing functionality ✔ Reliable communication and structured development ✔ Suitable for both one-time enhancements and long-term maintenance If you have an existing .NET application that needs updates, bug fixes, new functionality, API integration, or ongoing maintenance, I can help you understand the current system and implement the required changes efficiently. 📩 Send me an invitation with your application details, and I’ll review the requirements and suggest the right approach.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $11k
Billed in all: $55,931$56k
$11k in the last 6 months
Across 2 contracts
Earnings, last 30 days
Skill rankings: Top 4% in Application
Ranked by MRR among everyone on Upwork with the skill.
- #5ASP.NET Ajax106 freelancers · 🇮🇳 #3Top 5%🇮🇳#3 of 46
- #8Application217 freelancers · 🇮🇳 #3Top 4%🇮🇳#3 of 64
- #59Bug Fix1,157 freelancers · 🇮🇳 #11Top 5%🇮🇳#11 of 264
- #120Entity Framework1,047 freelancers · 🇮🇳 #47Top 11%🇮🇳#47 of 340
- #125ASP.NET Web API1,447 freelancers · 🇮🇳 #46Top 9%🇮🇳#46 of 534
- #225ASP.NET Core2,272 freelancers · 🇮🇳 #83Top 10%🇮🇳#83 of 807
- #244ASP.NET2,819 freelancers · 🇮🇳 #92Top 9%🇮🇳#92 of 1,066
- #283.NET Framework2,944 freelancers · 🇮🇳 #76Top 10%🇮🇳#76 of 835