Saurabh Mahajan
Application Developer @Cognizant
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WORK HISTORY
Application Developer @Cognizant
Toronto, ON, CA
Led the end-user transformation initiative of migrating SQL Server from 2012 to 2019, organization-wide, to ensure compliance with standards and resulted in a cost-saving• Modified and optimized large data systems using SSIS packages to extract, process, and convert data into valuable information.· Implemented automation of manual tasks using Python and Mainframe, resulting in increased efficiency and reduced costs.· Utilized the Pandas framework to develop automation scripts, resulting in significant reduction of manual effort and increase efficiency.• Implemented automation of manual tasks using Python and Mainframe, resulting in increased efficiency and reduced costs.• Used Python libraries Pandas, pyodbc, configparser, argparser to extract, manipulate data and connect with SQL Server• Designed and executed SSIS packages to extract real-time data from Excel/CSV and ingested it into the SQL Server database.• Created scheduled jobs using Mainframe technology.• Handeled large volumes of data using IBM Content Manager OnDemand (CMOD) for managing and archiving • Conducted thorough analysis of applications and performed root cause analysis to troubleshoot issues in PCF hosted Java applications.• Designed and modified SQL stored procedures for optimized data handling.
EDUCATION
Humber College
PGDM
Guru Nanak Dev University
Bachelor of Technology (BTech)
S D Model School
Metric
MGN public school
Non Medical
ABOUT SAURABH MAHAJAN
Experienced Application Support Engineer with 7+ years in managing L2/L3 incidents, troubleshooting complex application and data issues, and ensuring system stability across Linux/Unix and Windows environments. Skilled in writing and optimizing SQL queries, automating support tasks with Python and Shell scripting, and managing code migrations through CI/CD pipelines (GitHub Actions, Jenkins). Adept at applying ITIL-aligned practices, documenting configuration changes, and collaborating with development and business teams to improve application performance and client satisfaction. Recognized for proactive problem-solving, strong communication skills, and ownership of end-to-end support processes.
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