Naina Johri
@Naina_Johri
Data Engineer at BluePi
Gurugram, Haryana, India
Data Engineer with 1.6 years of professional experience and 6 months of internship experience in designing and maintaining scalable ETL pipelines and data platforms. Proficient in Python (Pandas, NumPy) and SQL, with hands-on experience in GCP and Snowflake. Strong foundation in object-oriented programming and data structures, with exposure to building analytical dashboards.
Experience
Data Engineer
BluePi
Worked on building ETL pipeline to extract, transform and load data into Google BigQuery (GCP) using GCS as the Bronze layer following Medallion Architecture for a leading Asia-Pacific HR Tech SaaS client. Loaded historical data from GCS to BigQuery by creating and managing tables in the dataset, ensuring proper schema alignment during migration. Performed data quality validation including row count checks, schema validation, and duplicate detection to maintain clean and reliable Silver layer datasets. Executed BigQuery MERGE operations to upsert CDC (Change Data Capture) data, ensuring deduplicated and up-to-date records. Identified missing tables and created them using converted Impala DDLs, ensuring schema completeness for downstream transformations.
Trainee Engineer (Internship)
BluePi
Developed Power BI dashboards by extracting data from Snowflake for an F&B client with 50+ stores. Enabled CXOs and store managers to monitor sales KPIs, top-performing items, and customer satisfaction metrics through interactive reports.
Education
GLA University
Bachelor of Technology
Computer Science