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
Vishakhapatnam01.2012
Bachelor of Science (B.Sc.) -
Govt Degree College
Saluru01.2009
Intermediate: M.P.C -
Vasavi Junior College
Saluru01.2006
S.S.C -
Govt High School
Saluru01.2004
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
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