I will do advanced data cleaning and spreadsheet data entry

Indonesia

I speak English, Indonesian, German, Japanese

Senior Data Engineer

I help growing businesses turn scattered data into reliable insights through practical data engineering, analytics dashboards, and reporting automation. I have built ETL pipelines, maintained dbt mode...
About this Gig

Welcome to my professional SQL and database query service! If you are struggling with messy queries, slow database performance, or need a custom query written from scratch, you are in the right place.


What I Can Do For You:

  • Write Custom SQL Queries: Tailored specifically to your database schema and requirements.
  • Debug & Fix Errors: Troubleshoot broken queries and fix syntax or logical errors.
  • Optimize Performance: Speed up slow-running queries to improve efficiency.


Why Choose Me?

  • Clean, well-commented, and efficient code
  • Fast turnaround time and clear communication
  • Focus on data accuracy and quality validation


Please reach out with your requirements before ordering so we can discuss your project details!


Database type:

Relational database

Platform:

MariaDB

•

MySQL

•

PostgreSQL

•

Redshift

Expertise:

SQL

•

DDL

•

DML

•

Query optimization