LK BHARADWAJA RANGAVAJJULA
Peoria,IL
Summary
Aspiring Data Analyst / Data Scientist actively seeking opportunities to apply strong analytical, technical, and problem-solving skills in a dynamic, data-driven environment. Proficient in SQL, Python, Power BI, Tableau, and Excel, with hands-on experience in backend data validation, machine learning, and real-time support systems. Experienced in executing end-to-end projects involving data preprocessing, modeling, and visualization. Eager to contribute to impactful solutions through data-driven insights and continuous learning.
Overview
1
1
year of professional experience
1
1
Certification
Work History
Data Analyst
Tata Consultancy Services Ltd
12.2021 - 06.2023
- Managed and monitored large-scale banking transaction data and customer records using SQL for backend validation and reporting.
- Wrote and optimized complex SQL queries and stored procedures to enhance database performance and ensure data accuracy.
- Responded to customer and business queries using the Remedy ticketing system, improving resolution time and support efficiency.
- Conducted regular batch job monitoring and system checks to identify anomalies and maintain seamless data operations.
- Analyzed existing SQL scripts and implemented performance improvements for reporting and data extraction workflows.
- Applied basic JavaScript knowledge in JVM server environments for backend process automation and system triggers.
- Collaborated with cross-functional teams to support process improvements, resulting in better data handling and reporting standards.
Education
Master of Science - Data Science and Engineering Analytics
Bradley University
Peoria, IL05.2025
Bachelor of Technology - Civil Engineering
Bapatla Engineering College
Bapatla, AP05.2021
Skills
Programming Languages: Python, SQL, PL/SQL, JavaScript (Basic), VBA
Libraries & Frameworks: NumPy, Pandas, scikit-learn, TensorFlow (Basic)
Machine Learning Models: Linear Regression, Logistic Regression, Decision Trees, Random Forest, K-Means Clustering, Neural Networks (CNN)
Data Visualization Tools: Tableau, Power BI, Microsoft Excel (Advanced), Minitab
Technologies: RapidMiner, Microsoft Access, MyMRP, CPLEX, PyShark
Databases: MongoDB, SQL Server, NoSQL
Version Control: GitHub
Operating Systems: Windows
Certification
- Python for Data Science and AI - From Coursera
- IBM Data Analyst Professional Certificate - From Coursera
- Database Structures and Management with MySQL - From COursera
Timeline
Data Analyst
Tata Consultancy Services Ltd
12.2021 - 06.2023
Master of Science - Data Science and Engineering Analytics
Bradley University
Bachelor of Technology - Civil Engineering
Bapatla Engineering College
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