I am Aparna Maddireddy, a data-driven professional specializing in SQL, data pipelines, and business intelligence across cloud and on‑premises environments. I design robust data solutions that ensure data accuracy, integrity, and high-performance system responsiveness. I thrive on cross‑functional collaboration, translating complex data challenges into actionable insights, and mentoring teammates on best practices for data quality, automation, and scalable architecture.

Aparna Maddireddy

I am Aparna Maddireddy, a data-driven professional specializing in SQL, data pipelines, and business intelligence across cloud and on‑premises environments. I design robust data solutions that ensure data accuracy, integrity, and high-performance system responsiveness. I thrive on cross‑functional collaboration, translating complex data challenges into actionable insights, and mentoring teammates on best practices for data quality, automation, and scalable architecture.

Available to hire

I am Aparna Maddireddy, a data-driven professional specializing in SQL, data pipelines, and business intelligence across cloud and on‑premises environments. I design robust data solutions that ensure data accuracy, integrity, and high-performance system responsiveness.

I thrive on cross‑functional collaboration, translating complex data challenges into actionable insights, and mentoring teammates on best practices for data quality, automation, and scalable architecture.

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Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
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Work Experience

Lead Developer at PennyMac
June 1, 2020 - December 1, 2025
Designed and maintained robust data pipelines to consolidate disparate data sources into the Reltio MDM platform, establishing 'Golden Records' to ensure a single source of truth. Implemented real-time data processing and complex JSON parsing in Snowflake, improved lead generation data integration for Marketing, automated data validation, and mentored junior engineers. Led migration of legacy SQL Server/SSIS to AWS RDS and managed CI/CD with Git; established production-grade scheduling and RCA-driven improvements.
Sr. SQL/BI Developer at National Veterinary Associates
October 1, 2018 - June 1, 2020
Engineered a Data Vault 2.0-based Enterprise Data Warehouse, built ETL pipelines from ODS and flat files; tuned complex SQL objects to optimize ETL and reporting; conducted data profiling for PIMS integration and automated cleansing for downstream analytics. Delivered SSRS reports for Finance and Revenue metrics; modernized BI stack by migrating legacy ETL and reports to Informatica and MicroStrategy.
BI/Reports Developer at FreedomPop
September 1, 2016 - December 1, 2016
Created a suite of Pentaho BI reports and dashboards, including KPIs and performance trends; built interactive year/month/day drill-down dashboards; expanded pipelines with new measures and dimensions and led end-to-end testing to ensure data accuracy.
Database Developer at Marcus & Millichap
November 1, 2014 - July 1, 2016
Developed and maintained database objects to support the development team; automated SSIS packages for data imports; built self-service Power Queries and SSRS reports to enable rapid, data-driven decision-making; automated maintenance tasks to boost efficiency; performed end-to-end testing and provided production support.
Database Developer at American Legalnet
January 1, 2013 - January 1, 2014
Migrated Prolaw Docketing databases to eDockets using custom SQL scripts; optimized stored procedures with complex joins and temp tables, achieving faster response times; performed backups, security and other DBA tasks.
Data Analyst/Developer at Rentfrow (NAVFAC client)
January 1, 2010 - January 1, 2011
Collaborated with business analysts to analyze mainframe systems; defined data mappings and business rules for migrations; managed Oracle 10g data migration to Maximo CMDB using PL/SQL and SQL Loader.
Systems Analyst/Developer at Countrywide (Bank of America)
January 1, 2005 - January 1, 2010
Developed Java plug-ins for ETL processes; optimized stored procedures with complex joins; designed BizTalk interface for Maximo CMDB data integration; migrated CI data into Maximo; improved performance by reducing page response times.
Programmer at PackageX
January 1, 2004 - January 1, 2005
Developed and maintained JSP/Servlet-based web pages using HTML/JavaScript.

Education

Masters in Computer Applications at Osmani, India
February 9, 2026 - February 9, 2026

Qualifications

Master of Science (MS) in Computer Applications
January 11, 2030 - February 9, 2026
AWS Cloud Practitioner Training
January 11, 2030 - February 9, 2026
Sun Certified Programmer for the Java 2 Platforms
January 11, 2030 - February 9, 2026
AWS Cloud Practitioner Training
January 11, 2030 - February 9, 2026
Master of Science (MS) in Computer Applications
January 11, 2030 - February 9, 2026
Sun Certified Programmer for the Java 2 Platforms
January 11, 2030 - February 9, 2026
AWS Cloud Practitioner Training
January 11, 2030 - February 9, 2026

Industry Experience

Software & Internet, Professional Services, Financial Services, Healthcare

Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
See more