Commonwealth of Massachusetts - Department of Revenue, Chelsea, MA (September 2024 - Present)
Data Analyst II
• Performed entity matching on tax data by orchestrating workflows leveraging AWS Glue, Lambda, S3, Athena, fuzzy logic matching, and cosine similarity, improving pattern matching effectiveness by 25%
• Leveraged AWS SageMaker tool to design, train, and deploy various machine learning models to predict audit scores and generate audit leads, reducing manual effort for the auditors by 70%
• Optimized advanced SQL operations to extract tax data from the AWS Data Lake, increasing performance by 20%
• Devised Tableau dashboards to assess net collections by tax type and uncover revenue trends across fiscal years
Northeastern University, Boston, MA (September 2023 - April 2024)
Data Mining Course Assistant
• Utilized various supervised machine learning and deep learning models, and advanced SQL queries to identify key patterns in research data, resulting in 20% upsurge in formulating and adopting data-driven strategies
• Implemented A/B testing methodologies to assess the effectiveness of the algorithms on optimizing research data analysis, leading to a 15% increase in accuracy and robustness
• Crafted Power BI dashboards with DAX queries, analyzing student performance metrics, driving actionable insights, and contributing to a 25% improvement in overall performance
Takeda Pharmaceuticals, Lexington, MA (May 2023 - August 2023)
Data Analyst Intern
• Orchestrated HR survey analysis on over 22,000 responses, identifying crucial trends in talent dynamics, and delivering implementable solutions through Power BI dashboards
• Conducted EDA using Python to reveal key insights, yielding a 15% increase in employee satisfaction scores
• Harnessed Natural Language Processing techniques like topic modeling and sentiment analysis to perform text mining, driving a 20% surge in employee engagement
• Applied regression analysis as well as hypothesis testing such as t-tests, ANOVA and Tukey's HSD to analyze high-performing employee data, leading to a 10% reduction in employee turnover rates
Wipro Limited, Hyderabad, India (November 2020 - March 2022)
Data Engineer
• Developed robust data pipelines utilizing AWS Glue, PySpark, advanced SQL queries and Snowflake for efficient data ingestion via ETL, resulting in a remarkable 25% reduced processing time
• Constructed Tableau dashboards to unveil actionable insights, driving a 15% uplift in stakeholder decision-making
• Migrated 30 applications to AWS Cloud infrastructure using Docker and Jenkins, enabling AWS CloudWatch monitoring and AWS Lambda error handling, resulting in 20% improved scalability and system reliability
• Established Kubernetes clusters for distributed processing of large data, boosting data handling efficiency by 30%