Purniemaa Prakash

About Purniemaa Prakash

Data Engineer at IBM with 14+ years of experience building, modernizing, and managing enterprise-scale data warehouse and analytics solutions across multiple industries.I specialize in data engineering, ETL pipeline development, and cloud-based data platforms, with strong hands-on experience in big data processing, analytics, data modeling, performance tuning, and optimization. I am certified in Oracle, AWS, and SQL, and bring deep expertise in Snowflake, Oracle, PL/SQL, and SQL.In my current role, I work closely with customers to:Analyze business and technical requirementsDesign and implement robust data modelsDevelop, optimize, and manage Snowflake pipelinesMigrate data from Oracle and Teradata to SnowflakeTroubleshoot and resolve production-critical issuesI have successfully migrated hundreds of Teradata stored procedures to Snowflake using JavaScript and built automated frameworks to clone terabyte-scale data from Teradata to Snowflake, significantly improving performance, scalability, and operational efficiency.I have also contributed to the delivery and production support of the BVE application for BNP Paribas, enabling reliable data visualization and reporting for business stakeholders.I am passionate about helping organizations transform data into meaningful insights that drive business value. A detail-oriented professional, I value collaboration, ownership, and continuous learning, and I actively stay updated with modern data technologies to stay ahead in this constantly evolving field.Open to connecting with professionals interested in data engineering, cloud analytics, and large-scale data transformation initiatives.

Experience

1. Data Engineer

   IBM

   Jun 2022 — Present · Chennai, IN

   Requirement analysis/Gather the requirements from the customer and define the objects of the Database. Participated in architectural design and definition. Defined the conceptual, logical and physical data model. Developed Snow pipelines to load the daily streaming data. Use advanced SQL queries both at the Oracle and Snowflake environment(SnowSQL). Deployed the scripts schema wise in snowflake. Loaded the required data in snowflake. Migration of structured data from Oracle to Snowflake using PY and SnowSQL. Troubleshooting of related technical issues. Created job scheduling using IICS. Working as a Data Modeler which includes building/maintaining the Conceptual, Logical and Physical model. Direct interaction with the client/Client Data Modeler to modify/maintain the change request (CR) and build the meta data queries and deploy them to the required Database.

Education

• St.Joseph's Coll of Eng.Old Mahaballipuram Road,Chennai.

  Bachelor’s Degree, Computer Science and engineering

  2004 — 2008

• Shristi Matriculation Higher Sec.School,Vellore

  High School, Maths-Biology

  2003 — 2004

• Great Lakes Institute of Management

  Postgraduate Degree, Cloud Computing

• Vellore Institute of Technology

  Master’s Degree, Computer Science

  2009 — 2011