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msweta02/README.md

Hi, I'm Mary Sweta Kerketta ๐Ÿ‘‹

Data Engineer | Analytics Engineer ๐Ÿ“ Boston, MA ยท ๐Ÿ”— LinkedIn ยท ๐Ÿ“Š Tableau Public

Data engineer with 10+ years building scalable data pipelines and enterprise data platforms in financial services. I migrated an enterprise FX data warehouse from on-prem Hadoop to AWS, re-platformed orchestration to Apache Airflow, and cut a core reporting pipeline from 8 hours to ~3. Snowflake (SnowPro) and Airflow certified. Currently sharpening analytics engineering skills (dbt, Snowflake, Tableau) through hands-on projects while completing my MPS in Informatics at Northeastern.


๐Ÿš€ Featured Projects

Project Description Tech Stack
de-throughline Follow one record through an Airflow DAG and see what each task did to it โ€” a lineage/observability plugin with an in-process FastAPI UI and replay isolation, tested via CI across Python 3.11โ€“3.13. Python Apache Airflow 3.1 (Astro Runtime) DuckDB FastAPI Jinja2 Docker pytest ruff GitHub Actions
ae-cfpb-complaint-benchmarking End-to-end dbt/Snowflake ELT pipeline on 16.9M CFPB records, delivered as a size-neutral Tableau dashboard benchmarking 10 major U.S. banks. Snowflake dbt Tableau Python
da-wid-datathon Analyzed UN FAOSTAT data to assess Indonesia's wheat import dependence and evaluate MOCAF as a domestic alternative, delivering data-driven recommendations across 48 figures. Python pandas NumPy Matplotlib seaborn PyArrow openpyxl Jupyter
viz-superstore-profitability Traced a ~20% discount threshold driving negative margins in a $2.3M business and published an interactive Tableau dashboard with targeted fixes. Python pandas NumPy Tableau

๐Ÿ› ๏ธ Skills

Languages: Python SQL PL/SQL Shell Scripting Java R

Data Engineering & ELT: dbt ETL/ELT Development Data Modeling Data Warehousing Pipeline Development Batch & Streaming Pipelines Data Quality & Validation Data Migration

Cloud & Warehousing: AWS (S3, EKS, EMR, Glue, Athena, Redshift, CloudWatch, ECR, Secrets Manager) Snowflake Data Lake Architecture Cloud-Native Development

Big Data: Apache Spark Hadoop/HDFS Hive Kafka RabbitMQ

Orchestration & Automation: Apache Airflow Control-M Workflow Automation Job Scheduling

DevOps & CI/CD: Docker Kubernetes Terraform Jenkins Git Bitbucket Linux

Databases: Oracle SQL Server MySQL PostgreSQL

BI & Ways of Working: Tableau REST API Development Agile/Scrum Jira Code Reviews Stakeholder Collaboration


๐Ÿ“œ Certifications

  • AWS Certified Cloud Practitioner
  • SnowPro Associate: Platform Certification
  • Astronomer Certification for Apache Airflow 3 Fundamentals

๐Ÿ“ซ Let's connect

Open to Data Engineering / Analytics Engineering roles. Reach me on LinkedIn or via email.

Pinned Loading

  1. de-throughline de-throughline Public

    Follow one record through an Airflow DAG and see what each task did to it.

    Python

  2. ae-cfpb-complaint-benchmarking ae-cfpb-complaint-benchmarking Public

    End-to-end dbt/Snowflake ELT pipeline on 16.9M CFPB records, delivered as a size-neutral Tableau dashboard benchmarking 10 major U.S. banks.

    Jupyter Notebook 1

  3. da-wid-datathon da-wid-datathon Public

    Analyzed UN FAOSTAT data in Python to assess Indonesiaโ€™s wheat import dependence and evaluate MOCAF as a domestic alternative, delivering data-driven recommendations.

    Jupyter Notebook

  4. viz-superstore-profitability viz-superstore-profitability Public

    Traced a ~20% discount threshold driving negative margins in a $2.3M business and published an interactive Tableau dashboard with targeted fixes.

    Jupyter Notebook 1