Sailahari Peddakotla
Marlboro,New Jersey
Summary
Analytical Systems Engineer with hands-on experience in the development, implementation, and support of data-driven solutions. I possess expertise in Databricks, PySpark, Python, SQL, and Azure Cloud, enabling me to effectively analyze complex data sets and drive insights that inform strategic decision-making.
Overview
3
3
years of professional experience
Work History
Graduate Assistant
Wichita State University
Wichita, Kansas
02.2023 - 05.2024
- Developed comprehensive reports and dynamic dashboards using Power BI and Excel, focusing on daily departmental activities. This enhancement contributed to improved event management and operational efficiency.
- Utilized DAX for complex measures, calculated columns, and tables, enhancing data analysis capabilities.
- Used Power Query to clean, transform, and load data from multiple sources, including SQL databases and Excel files.
- Proficient in SQL with optimization skills for data extraction, manipulation, and joining from various sources.
Data Engineer
Tata Consultancy Service
Bangalore, Karnataka
07.2021 - 07.2022
- Developed and optimized scalable ETL pipelines using Azure Databricks and PySpark, transforming raw data into actionable insights, which led to a 30% improvement in data processing efficiency.
- Developed custom data transformation logic using User Defined Functions (UDFs) in PySpark to handle complex requirements efficiently.
- Created SQL queries in accordance with business needs, utilizing joins, subqueries, and analytical functions as necessary.
- Automated the Repartition functionality into the data pipeline, resulting in enhanced performance, reduced cluster utilization, and saved computation cost.
- Collaborated with cross-functional teams to establish best practices for unit testing and code reviews, fostering a culture of quality and reliability in data engineering.
Education
Master of Science - Computer Science
Wichita State University
Wichita, KS05-2024
Bachelor of Science - Information Technology
Malla Reddy College of Engineering
Hyderabad07-2021
Skills
- Programming Languages: Python (Libraries: Pandas, NumPy, Seaborn, Scikit-learn, Matplotlib, TensorFlow, PyTorch, PySpark),SQL,c#
- Databases: MySQL, PostgreSQL, SQL server
- Cloud Platforms: AWS(S3, Athena), Azure( Blob, ADF)
- Tools and Technologies: Power BI, MS Excel, Spark, Git, JIRA, Databricks, Visual Studio
Projects
- Developed a Computer-Aided Detection (CAD) system using the YOLO algorithm to accurately identify masses in mammograms, addressing challenges posed by large volumes of images and complex cases. Utilized Python, along with libraries such as NumPy, Pandas, Matplotlib, and Scikit-learn for data manipulation, analysis, and visualization.
Timeline
Graduate Assistant
Wichita State University
02.2023 - 05.2024
Data Engineer
Tata Consultancy Service
07.2021 - 07.2022
Master of Science - Computer Science
Wichita State University
Bachelor of Science - Information Technology
Malla Reddy College of Engineering
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