KIRAN KUMAR RALLABANDI
Tampa,FL
Overview
8
8
years of professional experience
1
1
Certification
Work History
GCP Data Engineer
StaffWorxs, Walmart
Tampa, FL
06.2023 - Current
- Optimized the data processing workflows using Dataproc, BigQuery reducing the processing time by 30%
- Built and deployed multiple ETL workflows cleaning wholesaler data acquired from IQVIA using GCP
- Storage,dataproc, BigQuery and composer
- Created Pyspark scripts in AutoML to test the models Efficiency and deployed them to production using
- Composer and oozie
- Designed and Built the ML Model Deployment and Monitoring solutions in Production
- Experience with data validation, Score Model validation, ML training tests, model staleness tests, model performance tests, integration tests, and unit tests
- Exposure to Spark ML algorithms and Pyspark for in-memory computations for larger datasets
- Migrated over 50 ML models from On-prem Hadoop to GCP cloud Prod Environment
- Involved in building Data Models and Dimensional Modeling with 3NF, Star and Snowflake schemas &
- Views for OLAP and Operational data store (ODS) applications
- Implemented Containerization & Orchestration for CI/CD using Docker - images & containers
- Provided weekend on-call support ensuring timely delivery of model scores to business teams
Data Engineer
Amgen Inc
Tampa, FL
07.2022 - 06.2023
- Worked on multiple Master Data Management (MDM), Multichannel Marketing (MCM) and Sales data workflows to streamline the data exported to Redshift from SQL, Excel, CSV file formats
- Developed pipelines for SAP, ADC, Veeva CRM data for healthcare products and customers using databricks, validated data for 120 countries using Amazon S3
- Hands-on experience in setting up workflows using Airflow for over 10 ETL pipelines in Databricks
- Utilized Boto3 to configure outbound file into the data reporting layer using Airflow
- Successfully On-boarded Google Analytics 360 Source system on to Databricks and validated it
Data Science Intern
Technologies LLC
Hartford, CT
06.2021 - 12.2021
- Built ETL pipelines using Pentaho and PostgreSQL standardizing the metrics to be used in PowerBI reports
- Drove data migration initiative to handle client requests better, lowering required manpower by 43% and
- TAT of request handling by 30%; Awarded Most Prominent Newcomer Award by client for business impact
- Involved in building Data Models and Dimensional Modeling with 3NF, Star and Snowflake schemas & Views for OLAP and Operational data store (ODS) applications.
Data Engineer
Tech Mahindra Limited
Hyderabad, IN
11.2015 - 11.2019
- Performed root cause analysis using SQL and Python
- Partnered with cross-functional teams to design and improve the billing accuracy by 27%
- Designed and maintained Microsoft SQL database to enable faster data processing using SSIS
- Created automated Tableau reports for the management based on customer KPIs
- Used Bash Scripts to build analytics pipelines in the cloud and work with data stored across many files
- Implemented and scheduled data engineering workflows using Airflow in Python
- Successfully delivered POC on sales trend using Pyspark on databricks and impactful visualizations
Education
MS - Busineess Analytics
University of Connecticut School of Business
Bachelors in Engineering - undefined
JNTU College of Engineering
Skills
- Technical Skills:
- Python, SQL, Excel, Tableau, Power BI, ETL, Informatica PowerCenter Designer, Pentaho
- Pandas, Airflow, Gitlab,Github, Snowflake, Bigquery, dataproc, GCS, Jenkins, AWS, Azure,Hadoop
Accomplishments
- Certifications: Databricks Certified Data Engineer Associate [Link] , SAFe Certified Practitioner
Certification
- Awards: Awarded Bravo twice at Tech Mahindra for outstanding performance delivered during the years 2017, 2019 Databricks Certified Professional with 6 years of experience proficient in Big Data, Cloud, SQL, Python and Spark EXPERIENCE
Timeline
GCP Data Engineer
StaffWorxs, Walmart
06.2023 - Current
Data Engineer
Amgen Inc
07.2022 - 06.2023
Data Science Intern
Technologies LLC
06.2021 - 12.2021
Data Engineer
Tech Mahindra Limited
11.2015 - 11.2019
MS - Busineess Analytics
University of Connecticut School of Business
Bachelors in Engineering - undefined
JNTU College of Engineering
- Awards: Awarded Bravo twice at Tech Mahindra for outstanding performance delivered during the years 2017, 2019 Databricks Certified Professional with 6 years of experience proficient in Big Data, Cloud, SQL, Python and Spark EXPERIENCE
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