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Nirja Gupta

MCA student · Data Engineering & Full Stack Software Developer

Bhubaneswar, India

@nirja_gupta

0 followers

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About

Computer Applications graduate student with experience in full-stack software development and data engineering. Works on cloud data pipelines, ETL/ELT workflows, validation, debugging, and delivery of analytics-ready datasets.

Experience

  • Full Stack Software Developer
    Tata Consultancy Services · Bhubaneswar, India
    Jan 2026 – Present

    Contributed to OSS, Copyright, Admin, and Version Management modules through feature enhancements, frontend/backend validations, debugging, and defect resolution involving business rules and application workflows. Analyzed issues, identified root causes, implemented and validated fixes across development and test environments, collaborating with developers and module owners for requirement clarification, code-flow analysis, defect investigation, and solution implementation using Git/GitLab.

  • Data Engineering Trainee
    Revature · Chennai, India
    Oct 2025 – Dec 2025

    Designed and built end-to-end ELT pipelines on Snowflake using Python, SQL, PySpark, Snowpipe, Snowpark, and dbt, implementing SCD Type-2 modeling and incremental processing with Streams & Tasks for scalable data workflows. Engineered cloud-based data solutions integrating AWS S3 and Snowflake, optimizing data ingestion, transformation, and orchestration with validation, monitoring, and performance tuning to ensure reliable, analytics-ready datasets.

Education

Skills

3 to 6 months 3 to 6 months A few months of practice with it.
SQL Python PySpark Data Modeling Data Warehousing ETL/ELT pipelines Workflow Orchestration Data Quality Validation
<3 months <3 months Just getting started - under three months. This is also what shows when a level has not been set.
C CSS HTML Java React Scala Snowpark Snowpipe Streamlit Google BigQuery Distributed Data Processing

Tools / apps / platforms

6 to 12 months 6 to 12 months Most of a year behind them.
Git GitLab
3 to 6 months 3 to 6 months A few months of practice with it.
dbt AWS S3 Snowflake
<3 months <3 months Just getting started - under three months. This is also what shows when a level has not been set.
MySQL GitHub VS Code MySQL Workbench Oracle Database Google Cloud Platform Amazon Web Services AWS

Projects

  • Healthcare Provider Analytics ↗
    Python, Google BigQuery, Streamlit, MySQL, REST APIs, Git

    Developed a scalable data pipeline integrating CMS and Synthea healthcare datasets, performing data cleaning, transformation, and aggregation using Python for analytics-ready processing. Designed data warehouse schemas and analytical data marts in Google BigQuery and built Streamlit dashboards, implementing data validation, workflow automation, and version control via Git for reliable data delivery.

  • Retail Sales Analytics
    Snowflake, Snowpipe, Snowpark, PySpark, dbt, AWS S3, SQL

    Designed and deployed an end-to-end cloud-native ELT pipeline on Snowflake using Bronze–Silver–Gold architecture, integrating AWS S3 for automated ingestion via Snowpipe with optimized Parquet storage and scalable data warehousing. Built and orchestrated scalable data pipelines using PySpark, Snowpark, and dbt with SCD Type-2 modeling and incremental processing via Streams & Tasks, ensuring reliability through data validation, dbt testing, and fault-tolerant error handling.

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