I will optimize your slow sql queries for better performance

Indonesia

I speak Indonesian, English

PostgreSQL Expert, Query Optimization, Data Warehouse Engineer

I am a Senior Data Engineer with 7+ years of experience specializing in PostgreSQL performance optimization, query tuning, and data warehouse development. I have helped optimize slow queries from min...
About this Gig

Are your SQL queries running slow and affecting your application performance?

I will help you optimize your PostgreSQL database and SQL queries to significantly improve performance, reduce execution time, and enhance overall system efficiency.

With strong experience in query optimization and database performance tuning, I will analyze your SQL queries, identify bottlenecks, and apply best practices such as indexing, query rewriting, and execution plan optimization.

What I can do for you:

  • Optimize slow PostgreSQL SQL queries
  • Analyze query execution plans (EXPLAIN ANALYZE)
  • Improve database performance and reduce load time
  • Rewrite inefficient queries for better performance
  • Add proper indexing strategies
  • Fix performance bottlenecks in joins and subqueries

What you will get:

  • Faster query execution (minutes or seconds to milliseconds improvement where possible)
  • Clean and optimized SQL queries
  • Performance improvement recommendations
  • Source code of optimized queries

If your database is slow or your queries are not performing well, I can help you fix it quickly and efficiently.

Feel free to contact me before placing an order.

Expertise:

Big data

Data manipulation

Data validation

ETL

Technology:

Python

SQL

Snowflake

Pentaho

Oracle

Other

My Portfolio