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Roshan Kumar Yadav

@roshankumaryadav

Senior Data Engineer at Molina HealthCare building Azure claims pipelines that process 120M+ records daily and improve data availability by 38%.

United States
Message

At Molina HealthCare, I build and modernize Azure data pipelines for healthcare claims, eligibility, payment integrity, and regulatory reporting. My Bronze, Silver, and Gold Delta Lake pipelines process 120M+ claims and eligibility records daily, improving end-to-end data availability by 38%.

I orchestrated more than 120 production pipelines and improved their reliability with dependency management, retries, checkpoints, and validation gates. I also tuned Spark processing to cut average processing time by 41% and eliminate nearly two hours of daily latency.

At The Hartford, I developed AWS data pipelines for insurance policy, claims, underwriting, and fraud analytics. Migrating legacy batch workflows to AWS Glue reduced nightly runtime by 32%, while event-driven ingestion improved data availability for investigation teams.

Earlier, I worked on financial data pipelines at Citi Bank and backend applications for retail workflows at Walmart. I hold AWS Certified Data Engineer – Associate, Databricks Certified Data Engineer Associate, and Snowflake SnowPro Core certifications.

Experience

Work history, roles, and key accomplishments

MH
Current

Senior Data Engineer

Molina HealthCare

Nov 2024 - Present (1 year 11 months)

Built and modernized Azure-based healthcare data pipelines supporting Medicare/Medicaid claims, payment integrity, member eligibility, provider, HEDIS/Stars, and regulatory reporting. Designed Bronze, Silver, and Gold Delta Lake pipelines processing 120M+ claims and eligibility records daily, improving data availability by 38%.

CB

Data Engineer

Citi Bank

Dec 2020 - May 2022 (1 year 5 months)

Developed and supported ETL workflows for transaction, account, payment, fraud, and regulatory data using Informatica PowerCenter, SQL, Python, GCP, BigQuery, and Dataproc. Built source-to-target mappings from Oracle, SQL Server, DB2, APIs, CSV, JSON, XML, and flat files, processing more than 10M records daily.

WA

Python Developer

Walmart

Sep 2018 - Nov 2020 (2 years 2 months)

Developed backend applications using Python, Django, and Flask to support retail workflows involving product catalog, pricing, inventory, order processing, and customer transactions. Built and maintained REST APIs used by internal applications and e-commerce services, keeping response times below 500 ms for frequently used endpoints.

Education

Degrees, certifications, and relevant coursework

Montclair State University logoMU

Montclair State University

Master's, Data Science

Pursued a Master's degree in Data Science at Montclair State University.

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