Neeraj Kumar

Neeraj Kumar

Software Developer | Data Analyst | Skilled in Java, Python, MS SQL Server & Power BI
India
Hindi, English

About Me

Enthusiastic and detail-oriented Software Developer & Data Analyst with a strong foundation in Java, Python, SQL, and Power BI. Possesses hands-on experience in data analytics, data science, machine learning, and AI, bac…

Experience

Data science intern

Cognifyz Technologies
Jan 2025 - Feb 2025 · 1 month

Analyzed 9,552+ restaurant records, identifying key factors affecting customer preferences, ratings, and business performance.
Optimized data preprocessing with Excel, SQL, and Pandas, improving statistical analysis and reducing processing time by 30% while maintaining high data accuracy.
Developed machine learning models using supervised learning, achieving 85% accuracy in predicting restaurant ratings and delivering actionable insights on pricing, location optimization, and customer behavior.

Data science intern

Cognifyz Technologies
Jan 2025 - Feb 2025 · 1 month

Analyzed 9,552+ restaurant records, identifying key factors affecting customer preferences, ratings, and business performance., Optimized data preprocessing with Excel, SQL, and Pandas, improving statistical analysis and reducing processing time by 30% while maintaining high data accuracy., Developed machine learning models using supervised learning, achieving 85% accuracy in predicting restaurant ratings and delivering actionable insights on pricing, location optimization, and customer behavior.

Skills

Programming Languages: Java, Python Database Management: SQL Data Analytics & Visualization: Power BI Machine Learning & AI: Scikit-learn, Data Science Techniques Software Development: Problem-Solving, Backend Development Tools & Technologies: Folium, Power BI, Data Processing Java Python AWS S3 AWS EC2 AWS RDS SQL Server Joins CTE Window Functions Query Optimization Stored Procedure Index Pandas NumPy Matplotlib Scikit-learn Power BI DAX Data Modeling Power Query Dashboard Creation Handling Missing Values Outliers Standardization Statistical Analysis Data Visualization Git GitHub HTML CSS JavaScript JSON Machine Learning MS SQL Server SQL Alchemy Excel Supervised Learning
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