Narendra K
Data Analyst • Hyderabad, Telangana • n*********@gmail.com • +91*******920
Professional Summary
Results-driven BCA graduate and aspiring Data Analyst with hands-on experience in Python, SQL, Power BI, Power Query and Excel. Built end-to-end analytics solutions — data ingestion, cleaning, transformation, interactive dashboards and a predictive churn model achieving ~80% accuracy. Delivered reusable data cleaning pipelines that reduced data errors by ~95% and automated report refreshes to accelerate time-to-insight. Seeking a Data Analyst role in Bengaluru to contribute analytical skills, dashboarding expertise and process automation to a data-driven team.
Technical Skills
Programming Languages: Python
Frameworks and Libraries: Pandas,NumPy,Matplotlib,scikit-learn
Databases: SQL,MySQL,SQL Server,Window Functions
Testing: Selenium
Data and Analytics: Power BI,Tableau,DAX,Interactive Dashboard Design,Power Query,Excel,Data Cleaning,Data Transformation,Exploratory Data Analysis,Feature Engineering,Model Evaluation
Tools and Methodologies: Python Automation
Skills: Jupyter Notebook
Professional Skills: Problem Solving,Critical Thinking,Attention to Detail,Communication
Work Experience
SkillFied Mentor
Remote
Data Analytics Intern
Feb 2026 – Apr 2026
Tech Stack: Python, Pandas, SQL, MySQL, Excel, Power BI, Power Query
- Cleaned, normalized and pre-processed business datasets using Pandas, Excel and Power Query to prepare reliable inputs for reporting and analysis; implemented validation checks to catch inconsistencies early.
- Authored optimized SQL queries (JOINs, aggregations and window functions) to extract and aggregate data for dashboards and ad-hoc stakeholder requests, improving analyst efficiency.
- Designed and iterated interactive Power BI dashboards with DAX measures, KPI cards and dynamic slicers to visualize sales and operational KPIs and support decision-making.
- Automated recurring ETL tasks and data refreshes using Power Query and Python scripts, reducing manual preparation time and enabling more frequent report updates.
- Performed data validation and discrepancy analysis in Excel and SQL to ensure accuracy of deliverables used in monthly business reviews and management reports.
- Collaborated with mentors and stakeholders to translate business requirements into analytics specifications, documented transformation logic and delivered handover materials for continuity.
Communication INTERNSHIP Data Analytics
Analytics
Projects
Sales Performance Dashboard
Tools Used: Power BI, SQL, DAX, Power Query
- Designed an interactive Power BI dashboard to analyse sales trends, regional performance and customer behaviour across multiple product categories from a 50,000+ row retail dataset.
- Wrote optimized SQL queries using JOINs, CTEs and window functions to extract and aggregate data for visualization and KPI calculations.
- Reduced report generation time by 40% by automating data refresh using Power Query connections and reusable dataflows.
- Implemented 6 dynamic slicers and KPI cards for real-time filtering by region, product category and date range to enable data-driven decisions.
- Created custom DAX measures to calculate year-over-year growth (15% increase) and quarter-on-quarter trends, with conditional formatting for quick insights.
Data Cleaning & Transformation Pipeline
Tools Used: Excel, Power Query, SQL
- Cleaned and restructured three raw datasets (10,000+ rows each) using Excel formulas, Power Query and SQL functions to prepare high-quality analytical inputs.
- Standardised inconsistent date formats, resolved duplicate records and filled missing values using domain logic and SQL window functions.
- Reduced data errors by 95% through systematic transformation steps and created reusable Power Query templates for future imports.
- Identified and resolved 2,450+ duplicate records and 3,800+ missing values using Excel VLOOKUP, conditional formulas and SQL deduplication methods.
- Built comprehensive data cleaning documentation with step-by-step transformation logic and validation checks to support team knowledge transfer.
Education
Vijaynagara Sri Krishnadevaraya University, Ballari
Bachelor of Computer Applications (BCA) • Ballari, Karnataka • Aug 2022 – Jun 2025
Certifications
Data Analytics Mentorship Program — IBM • Aug 2025
Data Analytics Internship Certificate — SkillFied Mentor • Apr 2026
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