Data Analyst - SQL, Python, Tableau

Dilrajsingh Sandhu

Data Analyst

Pune,Maharashtra +919********* **************@*****.***

LinkedIn: https://in.linkedin.com/in/dilrajsingh-sandhu-a67735324 EDUCATION

PG-Diploma in Big Data Analytics

Centre for Development and Advanced Computing (CDAC), Pune KEY PROJECTS

TECHNICAL SKILLS

PROFESSIONAL SUMMARY

AI-Powered Course Recommendation System

Sales Performance & Business Growth Dashboard

Big Data & Tools:

Database & AI / ML:

Data Visualization & BI:

Programming & Analytics:

• Engineered a DeepFM-based recommendation system to provide personalized course suggestions, improving recommendation accuracy by 18% through advanced feature engineering.

• Performed extensive preprocessing and categorical encoding for high-dimensional datasets to ensure model robustness.

• Built scalable training workflows using Python and Scikit-learn, streamlining the transition from data to deployment.

• Optimized data retrieval efficiency by restructuring query logic and implementing efficient indexing strategies.

Python (Pandas, NumPy, Scikit-learn), SQL, Statistical Analysis, Data Cleaning, EDA

Tableau, Power BI, Matplotlib, Seaborn, KPI Reporting, Interactive Dashboards

MySQL, CTE, Window Functions, ETL, Data Warehousing, Machine learning, Deep learning, feature engineering, Neural Networks, Gen AI, RAG Apache Spark, Hadoop, Kafka, MS Excel (VLOOKUP, Pivot), Linux, Shell Scripting, Git, AWS and cloud

Results-driven Data Analyst with hands-on experience in SQL, Python, Tableau, Power BI, and Excel for data analysis, dashboard development, KPI tracking, and business reporting. Skilled in data cleaning, exploratory data analysis (EDA), ETL workflows, and transforming complex raw data into actionable business insights. Experienced in machine learning projects and solving critical business problems using data-driven approaches.

2025 – 2026

• Design and develop interactive Tableau dashboards to monitor regional sales performance and product growth trends.

• Cleaned and transformed 10,000+ sales records using SQL and Python to ensure data integrity for executive reporting.

• Developed automated KPI tracking for revenue and profit margins, reducing manual reporting workload by 40%.

B.tech

Shri Guru Gobind Singhji Institute of Engineering and Technology, Nanded 2021 – 2024

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