Summary
Overview
Work History
Education
Skills
Project:
Certifications
Timeline
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GUNDRATHI SIRI CHANDANA

GUNDRATHI SIRI CHANDANA

Mahabubnagar

Summary

As a dedicated SQL and Snowflake Developer with 2.6 years of hands-on experience, I specialize in designing, developing, and optimizing data solutions to drive business intelligence and analytics. My expertise lies in writing complex SQL queries, managing ETL processes, and maintaining high-performance data warehouses in Snowflake. I am adept at collaborating with cross-functional teams to translate business requirements into technical solutions, ensuring data accuracy and accessibility.

My commitment to continuous learning and my passion for data-driven insights enable me to deliver robust and scalable database solutions that support strategic decision-making.

Overview

2
2
years of professional experience

Work History

SQL and Snowflake Developer

Infosys
Hyderabad
11.2022 - Current

SQl:
Designed and implemented complex SQL queries and stored procedures,functions,views for ETL processes.
Fine-tuned SQL queries, reducing execution times by up to 40%.
Experienced in writing T-SQL(DDL,DML,DCL) for creating and managing, stored procedures and views.
Proficient in SQL joins (INNER , LEFT RIGHT AND FULL) to combine data from multiple tables based on related columns.

ETL Processes:
Successfully designed and implemented complex ETL (Extract, Transform, Load) workflows using SSIS. Leveraged SSIS's robust data transformation capabilities to integrate data from multiple sources including SQL Server, and flat files, ensuring data accuracy and consistency across the organization and reduced data processing time by 50%.

Leveraged Matillion’s cloud-native ETL capabilities to build scalable and efficient data integration pipelines to transfer data into snowflake . Designed and implemented data workflows to handle large volumes of data, ensuring seamles .


Snowflake:
Led design of a new snowflake -based data warehouse, resulting in 40% improvement in data retrieval times.
Successfully led a team in migrating a large-scale data warehouse to Snowflake, resulting in a 50% reduction in storage costs and improved data accessibility.

Education

B.tech - Computer Science

Vignan's Institute of Management And Technology
HYDERABAD
06-2021

Skills

  • SQL
  • MATILLION
  • SNOWFLAKE
  • SSIS

Project:

  • (Snowflake cloud migration using matillion)-

    - the migration project entailed the transition of data from on-premises SQL Server databases to the snowflake Cloud data platform. This was achieved using the matillion ETL tool, which resulted in a 30% reduction in data transfer time.
    - ETL workflows were established in matillion, utilizing various components to extract data from the SQL Server . The necessary tables were then transformed according to the requirements of the snowflake cloud data warehouses.
    - To maintain data accuracy, consistency and integrity throughout the migration process, comprehensive testing and validation measures were implemented.
    - ETL workflows in matillion were scheduled and automated, ensuring that data processing from source systems to the data warehouses was both timely and accurate.

Certifications

  • Infosys certified snowflake datawarehouse Developer
  • Infosys certified Database and SQL Professional
  • Azure DP-900 Certification Microsoft

Timeline

SQL and Snowflake Developer

Infosys
11.2022 - Current

B.tech - Computer Science

Vignan's Institute of Management And Technology

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GUNDRATHI SIRI CHANDANA