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.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
Work Experience
Lead Developer at PennyMac
June 1, 2020 - December 1, 2025Designed 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, 2020Engineered 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, 2016Created 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, 2016Developed 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, 2014Migrated 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, 2011Collaborated 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, 2010Developed 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, 2005Developed and maintained JSP/Servlet-based web pages using HTML/JavaScript.
Education
Masters in Computer Applications at Osmani, India
February 9, 2026 - February 9, 2026Qualifications
Master of Science (MS) in Computer Applications
January 11, 2030 - February 9, 2026AWS Cloud Practitioner Training
January 11, 2030 - February 9, 2026Sun Certified Programmer for the Java 2 Platforms
January 11, 2030 - February 9, 2026AWS Cloud Practitioner Training
January 11, 2030 - February 9, 2026Master of Science (MS) in Computer Applications
January 11, 2030 - February 9, 2026Sun Certified Programmer for the Java 2 Platforms
January 11, 2030 - February 9, 2026AWS Cloud Practitioner Training
January 11, 2030 - February 9, 2026Industry Experience
Software & Internet, Professional Services, Financial Services, Healthcare
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
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