Summary
Overview
Work History
Education
Skills
Certification
Tools
Timeline
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Vishal Maheshuni

Thane

Summary

Adept ETL Developer with a proven track record at Techspawn Solutions, Having 3+ years of experience specializing in large-scale data processing and ETL package development using Informatica Powercenter. Demonstrates expertise in data warehousing, SQL database management, and Python programming. Known for innovative solutions in data integration and a keen ability to enhance performance and efficiency.

Overview

3
3
years of professional experience
1
1
Certification

Work History

ETL Developer

Techspawn Solutions
Pune
05.2021 - 06.2024
  • Experience in dealing with large-scale data processing solutions.
  • Developed ETL packages to extract, transform, and load data from multiple sources into a data warehouse.
  • I have extensively worked in developing ETL programs for supporting data extraction, transformations, and loading using the Informatica PowerCenter tool (10.5.1v).
  • Developed ETL mappings and transformations using Informatica PowerCenter.
  • Used various transformations, like Filter, Router, Expression, Aggregator, lookup, and Joiner, etc.
  • Good understanding of data warehouse concepts, Star Schema, and Snowflake Schema.
  • Having good knowledge of Python and proficiency in writing complex SQL queries, as well as working with various relational databases like Oracle and SQL Server.
  • Having good experience with the AWS (S3, EC2, Lambda, Glue) ecosystem.
  • Experience in developing Unix shell scripts for scheduling Informatica jobs.

Data Science Intern

The Naik Foundation
10.2021 - 11.2021
  • Built machine learning models and tuned them with Python and Scikit-learn.
  • Created linkage between various data within business intelligence software to enable predictive modeling and analysis.
  • Performed data exploration on House Price Prediction. Here, I used the basic ML models for predicting the price of the houses.

Education

Bachelor of Science - Computer Science

Birla College of Science, Commerce And Arts
Kalyan
06-2018

Skills

  • Data warehousing
  • ETL Development
  • SQL and Database Management
  • Data modeling
  • Data Integration
  • Data Mapping and Transformation
  • Data validation
  • Performance tuning and monitoring
  • Programming Languages (Python)
  • Data Visualization Tools (Tableau, Power BI)

Certification

  • Data Science Specialization at Internshala Trainings (Apr 2022 - Jul 2022)
  • Python Certification from Future Edubridge
  • Data Engineering with Google Cloud Professional (GCP) Certification issued by Coursera.
  • Mastering Tableau Data Visualization certification at Internshala.
  • Snowflake Masterclass Certification at Udemy.

Tools

Operating systems: Windows, Linux

RDBMS: Oracle 11g, My SQL,PL SQL, DB2, MS SQL Server 2000/2005/2008

ETL Tools: Informatica Power Center

Cloud: GCP, AWS

Reporting Tool: Jira

Timeline

Data Science Intern

The Naik Foundation
10.2021 - 11.2021

ETL Developer

Techspawn Solutions
05.2021 - 06.2024

Bachelor of Science - Computer Science

Birla College of Science, Commerce And Arts

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Vishal Maheshuni