Sahil Ratnaparkhi
Summary
Dedicated database developer with hands-on experience in designing, building, and optimizing PostgreSQL and Mysql databases. I excel in schema design, query optimization, and database maintenance. My hands-on skills in PostgreSQL, Mysql, Pentaho Data Integration Tool and Linux combined with a passion for creating scalable database solutions, enable me to enhance application performance.
Overview
2
2
years of professional experience
1
1
Certification
Work History
Database Engineer
Krishagni Solutions
05.2025 - Current
- Automated data analytics and reporting using MySQL and Python, delivering actionable insights on daily customer usage patterns that empowered data-driven business decisions.
- Optimized SQL queries and implemented advanced indexing strategies, resulting in significant performance improvements and reduced query execution time.
- Designed and maintained robust shell scripts to continuously monitor database health, enabling proactive issue detection and ensuring seamless system performance.
- Led end-to-end data migration processes using Pentaho Data Integration (PDI), ensuring accurate and efficient transfer of large datasets across complex systems.
- Configured and managed binary logs to enable point-in-time recovery, facilitate system upgrades, and strengthen overall data reliability and disaster recovery capabilities.
Software Engineer
IQ Innovation Hub LLP
09.2023 - 04.2025
- Developed and optimized scalable relational and NoSQL databases, ensuring high data integrity, reliability, and performance efficiency.
- Designed and implemented complex data models by creating detailed Entity-Relationship Diagrams (ERDs) to support robust database architecture.
- Built and maintained relational database schemas using PostgreSQL, authoring DDL scripts to create and manage schemas, tables, indexes, and constraints.
- Applied advanced indexing and query tuning techniques, significantly improving database performance and reducing query execution times.
- Developed SQL triggers to enforce critical business rules, minimizing manual interventions and reducing data errors.
- Designed high-performance data models in Apache Cassandra to enable fast and efficient read/write operations for large-scale applications.
- Contributed to cloud migration strategies and earned Microsoft Azure AZ-109 certification, strengthening expertise in cloud database management and deployment.
Education
Bachelor Of Engineering - Computer Science
Savitribai Phule Pune University
01.2023
Skills
- Python
- SQL
- NoSQL
- PostgreSQL
- MySQL
- Shell Scripting
- Linux
- Prompt Engineering
- PL/SQL
- Data Migration
- Terminal
- Pentaho Data Integration
Websites
Certification
- Azure Az-900 certification
- NPTEL Programming in RDBMS Certification
Languages
Python
SQL
NoSQL
Timeline
Database Engineer
Krishagni Solutions
05.2025 - Current
Software Engineer
IQ Innovation Hub LLP
09.2023 - 04.2025
Bachelor Of Engineering - Computer Science
Savitribai Phule Pune University
Personal Information
Title: Software Engineer