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Fiverr Pro
English
$
USD
I will optimize slow sql server queries, stored procedures and database performance
jeweldotnet
About this gig
Is your application slow because of inefficient SQL Server queries? Are stored procedures taking too long, or is your database struggling under high concurrency? I find and fix the root cause not just add indexes randomly and hope.
With 6+ years of experience as a Software Engineer working with C#, ASP.NET Core, and SQL Server, I've optimized queries and stored procedures for a high-concurrency enterprise ERP system improving database performance by 30% in production.
What I can do for you:
- Analyze and optimize slow SQL Server queries
- Rewrite inefficient stored procedures and views
- Review and fix indexing strategy
- Diagnose high-concurrency / locking / deadlock issues
- Query execution plan analysis
- Database performance audit with clear before/after benchmarks
I work with SQL Server used in ASP.NET Core, ASP.NET MVC, or standalone database projects.
Message me with your query or a description of the slowdown before ordering I'll tell you honestly whether I can help and roughly how long it'll take.
Get to know jeweldotnet
jeweldotnet
ASP NET Core Backend and SQL Database Optimization Expert
- FromBangladesh
- Member sinceDec 2018
Languages
Bengali, English, Hindi, Urdu
I fix, optimize, and develop ASP.NET Core/MVC applications, tune SQL Server queries and stored procedures, and build REST APIs using Entity Framework, Clean Architecture, and SOLID principles. Also experienced in PHP/Laravel for business web apps, CRM, and ERP systems.
I use AI-assisted tools like GitHub Copilot, Cursor, and Claude to deliver faster without compromising quality.
From quick bug fixes to multi-week projects — clear communication, honest timelines, and clean, maintainable code.
Message me before ordering to align on scope.
My Portfolio
FAQ
Do I need to give you database access?
I'll need read access to the relevant tables/queries, or you can share the query/stored procedure text directly along with a sample of the data structure (schema)
Can you work with Azure SQL / cloud-hosted SQL Server?
Yes, I regularly work with both on-premise SQL Server and Azure SQL Database.
What if the slowdown isn't from the query itself?
I'll investigate further — sometimes the issue is connection pooling, blocking/locking, or application-side (like N+1 queries from Entity Framework). I'll let you know if it's outside SQL-level fixes.
Do you provide before/after performance proof?
Yes — for Standard and Premium packages, I include execution time comparisons so you can see the measurable improvement.
