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Sahasra Sai Tarun Mandiga

@sahasrasaitarunmandi

Data Analyst at Rabobank automating SQL and Python data validation workflows that cut manual resolution time by 40%.

At Rabobank, I analyze financial transactions and automate data validation workflows with SQL and Python. My work reduced manual data-quality issue resolution time by 40% and recurring discrepancies by 30%.

Previously, I extracted and validated business records at PricewaterhouseCoopers (PwC), and worked with annotated data frames as a Student Intern (Deep Learning & Computer Vision) at Honeywell. At Singhal Steel & Power Pvt. Ltd., I consolidated production and sales records and developed Power BI dashboards; I also hold Microsoft Azure and AWS certifications.

Experience

Work history, roles, and key accomplishments

Current

Data Analyst

Current

Rabobank

Mar 2024 - Present (2 years 6 months)

Analyzed over 100,000 daily financial transactions using advanced SQL to ensure data quality assurance and accuracy verification. Conducted document reviews adhering to data privacy and PII management protocols, and automated data transformation workflows using SQL and Python.

SQL Python Data Quality Assurance Data accuracy validation Anomaly Detection Data Privacy PII Data Profiling Data Validation Data Reconciliation Technical Documentation Git Data Governance

Technology Consultant

PricewaterhouseCoopers (PwC)

Jan 2023 - Aug 2023 (7 months)

Extracted and validated over 75,000 daily business records using advanced SQL to ensure data accuracy and completeness. Investigated data quality issues through document review and profiling, and automated ETL data-quality checks with Python.

SQL Python Data Quality Assurance Data Accuracy Data Completeness Data Privacy PII ETL Regression Testing Data Profiling Anomaly Detection

Student Intern (Deep Learning & Computer Vision)

Honeywell

Nov 2020 - May 2021 (6 months)

Developed Python scripts and technical documentation to review and analyze over 10,000 annotated data frames, ensuring data quality assurance. Investigated data anomalies through root cause analysis and applied data privacy protocols using AWS Lambda and Redis caching.

Python Data Quality Assurance Document Review Root Cause Analysis AWS Lambda Redis Data Privacy Data Security

Junior Data Analyst

Singhal Steel & Power Pvt. Ltd.

Oct 2019 - Nov 2020 (1 year 1 month)

Consolidated over 3 million production and sales records through SQL development and data extraction, applying data cleansing. Developed Power BI dashboards and automated data transformation workflows with Python.