I will do sql database optimization, queries and etl pipelines

Ukraine

I speak Ukrainian, English

SQL Developer Data Integration Specialist

Hi! I’m Ihor, a Data Analyst and SQL Developer with strong expertise in designing, optimizing, and automating database workflows. What I specialize in: • Writing complex SQL queries & optimizing slow...
About this Gig

Need clean, well-structured database management or data analysis? I'm here to help.

I specialize in building, optimizing, and querying databases, as well as transforming raw data into actionable insights using SQL and Python.

What I offer:

  • SQL Queries & Database Management: PostgreSQL, MySQL, SQLite, and custom relational schemas.
  • Complex Data Extraction: JOINs, Subqueries, Aggregations, Window Functions, and CTEs.
  • Data Processing & Cleaning: Pandas, NumPy, and Python scripts for data manipulation.
  • Data Pipeline Setup: Connecting data tools and managing data workflows.
  • Pine Script Development: Custom TradingView indicators and basic automation scripts.

Why work with me?

  • Clean & Efficient Code: Optimized queries written with performance and readability in mind.
  • Clear Communication: Regular updates and transparent process.
  • Accuracy & Detail: Thorough validation of all data outputs.

Feel free to contact me before placing an order to discuss your exact project details!

Database type:

Centralized database

Distributed database

Platform:

BigQuery

MySQL

PostgreSQL

Redshift

SQLite

SQL Server

Expertise:

Data warehouse

ERD

Normalization

SQL

Performance