Hari Krishnan Email & Phone Number

Bangalore Urban, Karnataka, India

Leveraged a comprehensive skill set in Shell Scripting, PySpark, AWS Cloud, and Snowflake to develop and migrate business-critical data solutions. Key responsibilities included:Cloud Infrastructure & Data Security: Designed secure, scalable data solutions using AWS (RDS, S3, EC2, Glue, Lambda) and Snowflake.Data Migration & Integration: Migrated data warehouses from on-premises (SQL/Informix) to Snowflake, ensuring seamless integration.Python & SQL Development: Created… Show more Leveraged a comprehensive skill set in Shell Scripting, PySpark, AWS Cloud, and Snowflake to develop and migrate business-critical data solutions. Key responsibilities included:Cloud Infrastructure & Data Security: Designed secure, scalable data solutions using AWS (RDS, S3, EC2, Glue, Lambda) and Snowflake.Data Migration & Integration: Migrated data warehouses from on-premises (SQL/Informix) to Snowflake, ensuring seamless integration.Python & SQL Development: Created SQL queries and Python scripts for data cleansing, validation, and reconciliation, ensuring data accuracy.Automation & Process Optimization: Automated manual processes with Shell scripting, boosting efficiency and reducing operational overhead.ETL & Data Warehousing: Developed and supported complex ETL processes, meeting business requirements.Collaboration & Communication: Strong organizational skills, quick learner, and effective communicator, ensuring timely project delivery. Show less

Bangalore Urban, Karnataka, India

Worked on the development and enhancement of the Commercial Data Engine (CDE), a central data lake for Janssen Commercial Pharma, hosting diverse datasets related to sales and marketing. The CDE supports the reporting and analytics needs across various business functions, including Marketing, Advanced Analytics, and Development.Key contributions include:Shell Scripting: Automated data ingestion, transformation, and cleansing processes to streamline workflows and improve data… Show more Worked on the development and enhancement of the Commercial Data Engine (CDE), a central data lake for Janssen Commercial Pharma, hosting diverse datasets related to sales and marketing. The CDE supports the reporting and analytics needs across various business functions, including Marketing, Advanced Analytics, and Development.Key contributions include:Shell Scripting: Automated data ingestion, transformation, and cleansing processes to streamline workflows and improve data reliability.PySpark: Implemented data processing pipelines that efficiently transformed and aggregated large datasets, ensuring they were ready for downstream applications such as Data Science models and Data Visualization tools.AWS Cloud: Leveraged AWS services for scalable data storage and processing, ensuring the solution's adaptability and performance in a cloud environment.Additionally, contributed to the Janssen Learn initiative by enabling senior leaders to extract additional value from training data. Developed a flexible file-driven architecture, allowing for seamless configuration changes and ensuring the project could easily adapt to evolving analytics models. Show less

Postgraduate Degree, Cloud Computing

Cloud Foundations, Cloud infrastructure and services, Fundamentals of Programming, Big Data Management and Analytics, Cloud Security.

B.Tech, Computer Science

Higher Secondary, Computer Science