Browse categories
Explore
Fiverr Pro
English
$
USD
I will write sql queries and optimize database performance
Senior Software Engineer Full Stack dot NET Developer
I’m a Full Stack Software Developer with 10+ years of professional experience building business applications, APIs, databases, and web solutions.
My core expertise includes C#, ASP.NET Core, Web API,...
About this Gig
Are you looking for high-performance SQL queries, a clean database schema, or expert query optimization?
As a Senior Software Engineer with 10+ years of enterprise experience, I design scalable, secure, and fully optimized relational databases tailored to your application requirements.
What I Can Do for You:
- Database Design & ERD: Normalized relational schemas (1NF to 3NF/BCNF) with structured ER diagrams.
- Stored Procedures & Functions: Custom stored procedures, triggers, views, and complex aggregations.
- Performance Tuning & Indexing: Execution plan analysis, query tuning, and index optimization for maximum speed.
- Data Migration & Seeding: Seamless data import/export (CSV, Excel, JSON) and realistic test data generation.
- Bug Fixing & Scripting: Diagnosing relational constraints, syntax errors, and query bottlenecks.
Supported Technologies:
- MS SQL Server / T-SQL
- MySQL & PostgreSQL
- SQLite
Why Work With Me?
- 10+ years of proven industry expertise
- Clean, production-grade, and documented code
- Fast delivery with reliable post-delivery support
Please send a quick message with your requirements before placing an order to discuss the best approach!
Database type:
Centralized database
•
Relational database
Platform:
MS SQL
•
MySQL
•
PL/SQL
•
SQL Server
Expertise:
Design
•
ERD
•
SQL
•
Query optimization
FAQ
When are you available?
I am always here to assist you.
Reviews
3 reviews for this Gig
| (3) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
Sort By
Most relevant
S samsonukeredi
Nigeria
Ongoing collaborationvery good delivery as usual.
$50
Price
Helpful?S samsonukeredi
Nigeria
Ongoing collaborationshe is very good with what she does will always use again
$50
Price
Helpful?S samsonukeredi
Nigeria
Ongoing collaborationshe is very good and will work with her again, understands perfectly what to do.
$50
Price
Helpful?
Reviews
3 reviews for this Gig
| (3) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
Sort By
Most relevant
S samsonukeredi
Nigeria
Ongoing collaborationvery good delivery as usual.
$50
Price
Helpful?S samsonukeredi
Nigeria
Ongoing collaborationshe is very good with what she does will always use again
$50
Price
Helpful?S samsonukeredi
Nigeria
Ongoing collaborationshe is very good and will work with her again, understands perfectly what to do.
$50
Price
Helpful?
