Summary
Overview
Work History
Education
Skills
Timeline
Generic

Gowtam Kumar

Hyderabad

Summary

Around 11 Years of Total IT experience Around 5 Years of Oracle PLSQL Developer experience Around 3 Years of Azure and Pyspark Data Engineering experience Around 3 years of Data Analyst experience

Overview

12
12
years of professional experience

Work History

Clinical Software Private Limited(Officially Known as Signanthealth)
Hyderabad
02.2023 - Current
  • Collaborated with customers and product manager to prioritize and validate requirements.
  • Coordinated weekly estimation meetings, providing high-level estimates for backlog items.
  • Developed scalable ETL pipelines utilizing ADF, Delta Lake, and Databricks technologies.
  • Implemented Bronze-Silver-Gold architecture with schema evolution using Delta Tables.
  • Established data governance policies ensuring regulatory compliance and data privacy.
  • Integrated Unity Catalog to secure access to data assets across Databricks workspaces.
  • Automated data quality checks and error handling processes to enhance dataset integrity.
  • Optimized financial data ingestion pipelines, achieving 40% reduction in execution time.

Senior Data Engineer

Signant Health
Hyderabad
09.2022 - 02.2023
  • Worked with customers and product manager to prioritize and validate requirements.
  • Completed plans for long term goals using Microsoft Project.
  • Coordinated the work efforts of 8 person team for various projects. Helped team complete tasks successfully and on-time and resolved obstacles encountered by team members.
  • Coordinated and participated in weekly estimation meetings to provide high-level estimates (Story Points) for backlog items.
  • Working on DB Team Lead Activities.
  • Built and deployed PySpark data quality checks for standardized curated layer validation.
  • Delivered business-critical reporting data in Delta format to Azure Synapse for downstream use.
  • Conducted ADF activity-level logging integrated with Log Analytics and Azure Monitor.
  • Participated in establishing data governance workflows, including masking, classification, and lineage with Unity Catalog and Purview.
  • Reduced batch processing duration by 30% through optimization of Spark cores, partitions, and I/O operations.
  • Implemented CDC logic using Delta MERGE strategy while managing schema drift scenarios.

Senior Software Lead

Persistent Systems Limited
Hyderabad
09.2021 - 06.2022
  • Collaborated with customers and product manager to prioritize and validate requirements.
  • Coordinated efforts of 8-person team, ensuring timely completion of tasks and resolution of obstacles encountered.
  • Participated in weekly estimation meetings to provide high-level estimates for backlog items using Story Points.
  • Created PL/SQL scripts for data extraction from operational database into flat text files using UTL_FILE package.
  • Developed indexes on tables to enhance database retrieval performance.
  • Utilized Bulk Collections to minimize context switching between SQL and PL/SQL engines for improved performance.
  • Partitioned fact tables and materialized views to optimize database efficiency.
  • Employed advanced PL/SQL features such as Records, Tables, and Dynamic SQL for enhanced functionality.

Senior PLSQL Developer (Health Care Domain)

Capgemini India Private Limited
Hyderabad
10.2018 - 09.2021
  • Coordinated with the front-end design team to provide them with the necessary stored procedures and packages and the necessary insight into the data.
  • Work with the DW Development team to implement data strategies, build data flows and develop conceptual data models.
  • Work with the development team to implement data strategies, build data flows and develop data models.
  • Work with development, application and other data architects to provide an overall solution approach.
  • Provides technical assistance and mentoring to staff for developing conceptual and logical database designs and the physical database.
  • Wrote Unix Shell Scripts to process the files on daily basis like renaming the file, extracting date from the file, unzipping the files and loading them into the base tables.
  • Involved in the continuous enhancements and fixing of production problems.
  • Generated server-side PL/SQL scripts for data manipulation and validation and materialized views for remote instances.
  • Developed PL/SQL triggers and master tables for automatic creation of primary keys.
  • Created PL/SQL stored procedures, functions and packages for moving the data from staging area to data mart.
  • Created scripts to create new tables, views, queries for new enhancement in the application using TOAD.
  • Created indexes on the tables for faster retrieval of the data to enhance database performance.
  • Involved in data loading using PL/SQL and SQL
  • Loader calling UNIX scripts to download and manipulate files.
  • Extensively involved in using hints to direct the optimizer to choose an optimum query execution plan.
  • Used Bulk Collections for better performance and easy retrieval of data, by reducing context switching between SQL and PL/SQL engines.
  • Creation of database objects like tables, views, materialized views, procedures and packages using oracle tools like Toad, PL/SQL Developer and SQL
  • Plus.
  • Partitioned the fact tables and materialized views to enhance the performance.
  • Extensively used bulk collection in PL/SQL objects for improving the performing.
  • Created records, tables, collections (nested tables and arrays) for improving Query performance by reducing context switching.
  • Used Pragma Autonomous Transaction to avoid mutating problem in database trigger.
  • Extensively used the advanced features of PL/SQL like Records, Tables, Object types and Dynamic SQL.
  • Handled errors using Exception Handling extensively for the ease of debugging and displaying the error messages in the application.
  • Extensively involved in using Performance Tuning.

PLSQL Developer(Core Banking Domain)

3i-Infotech Private Limited
Hyderabad
09.2016 - 10.2018
  • Developed Advance PL/SQL packages, procedures, triggers, functions, Indexes and Collections to implement business logic using SQL Navigator.
  • Generated server-side PL/SQL scripts for data manipulation and validation and materialized views for remote instances.
  • Involved in creating UNIX shell Scripting. Defragmentation of tables, partitioning, compressing and indexes for improved performance and efficiency.
  • Involved in table redesigning with implementation of Partitions Table and Partition Indexes to make Database Faster and easier to maintain.
  • Worked on SQL
  • Loader to load data from flat files obtained from various facilities every day.
  • Used standard packages like UTL_FILE, DMBS_SQL, and PL/SQL Collections and used BULK Binding involved in writing database procedures, functions and packages for Front End Module.
  • Used principles of Normalization to improve the performance.
  • Involved in ETL code using PL/SQL in order to meet requirements for Extract, transformation, cleansing and loading of data from source to target data structures.
  • Involved in the continuous enhancements and fixing of production problems.
  • Designed, implemented and tuned interfaces and batch jobs using PL/SQL.
  • Extensively involved in using hints to direct the optimizer to choose an optimum query execution plan.

Data Analyst (Clinical Trials Domain)

Clinical Software Private Limited(Officially Known as Signanthealth)
Hyderabad
07.2013 - 08.2016
  • Analyzed clinical data related to patients, physicians, prescriptions, hospitals, campaigns, insurance, and claims.
  • Used SQL to extract and transform datasets for patient diagnosis tracking and physician mapping.
  • Generated Excel-based dashboards and pivot reports for pharmaceutical forecasting and campaign analytics.
  • Cleaned and validated raw files using Excel (VLOOKUP, conditional formatting, IF/COUNTIF, and pivot tables).
  • Provided input to BI and marketing teams to track user conversion and business performance metrics.
  • Collaborated with data engineers and QA teams to ensure accuracy of reporting layer inputs.

Education

Master of Computer Applications -

Vignan Institute of Information Technology
Vishakhapatnam
01.2012

Bachelor of Science (B.Sc.) -

Govt Degree College
Saluru
01.2009

Intermediate: M.P.C -

Vasavi Junior College
Saluru
01.2006

S.S.C -

Govt High School
Saluru
01.2004

Skills

  • Oracle SQL/PLSQL
  • Azure Data Factory
  • Pyspark
  • Azure Data Bricks
  • Unix Shell Scripting
  • Query Optimization
  • ETL/ELT
  • Data modelling
  • Data base design
  • Building Migration Pipelines
  • Hive

Timeline

Clinical Software Private Limited(Officially Known as Signanthealth)
02.2023 - Current

Senior Data Engineer

Signant Health
09.2022 - 02.2023

Senior Software Lead

Persistent Systems Limited
09.2021 - 06.2022

Senior PLSQL Developer (Health Care Domain)

Capgemini India Private Limited
10.2018 - 09.2021

PLSQL Developer(Core Banking Domain)

3i-Infotech Private Limited
09.2016 - 10.2018

Data Analyst (Clinical Trials Domain)

Clinical Software Private Limited(Officially Known as Signanthealth)
07.2013 - 08.2016

Master of Computer Applications -

Vignan Institute of Information Technology

Bachelor of Science (B.Sc.) -

Govt Degree College

Intermediate: M.P.C -

Vasavi Junior College

S.S.C -

Govt High School
Gowtam Kumar