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yashisingh-ds/README.md

Hi, I'm Yashi Singh!

Data & Research Trainee | Aspiring Data Analyst | Skilled in SQL, Python, Power BI & Data Storytelling

LinkedIn LeetCode Gmail


πŸ‘¨β€πŸ’» About Me

I am a final-year Computer Science Engineering student with a specialization in Data Science. My passion lies in transforming raw data into actionable insights that drive business decisions. I have hands-on experience in the complete data lifecycle, from collection and cleaning to advanced analysis and visualization.

Currently working as a Data & Research Trainee, I conduct market and competitor research, analyze data, and translate findings into clear, actionable insights.

  • 🌱 I’m skilled in SQL, Python, Power BI, and Tableau, and I love building interactive dashboards.
  • πŸ”­ I’m now seeking opportunities as a Data Analyst, Business Intelligence Analyst, or Product Analyst to apply my analytical mindset and problem-solving skills to real-world challenges.
  • ✍ I enjoy sharing my knowledge through my articles on Medium and newsletters on MailerLite.
  • πŸ’¬ Ask me about *Data Storytelling, *Machine Learning, or anything related to data!

πŸ›  My Skills & Technologies

Here are some of the key technologies I work with:

Python
Python
SQL
SQL
Power BI
Power BI
Tableau Machine Learning
Machine Learning
Jupyter
Jupyter
VS Code
VS Code
MS Excel
MS Excel
Google Colab
Google Colab
Git
Git
Data Cleaning
Data Cleaning
Data Modeling
Data Modeling

πŸ“Š My GitHub Stats & Activity


πŸš€ Most Used Languages


πŸš€ My Projects

Here are some of my favorite projects I've worked on:

SQLytics for Retail: SQL-Based Retail Analytics
  • Description: Built a relational database from raw transactional data. Performed extensive data profiling, cleaning, and transformation to ensure data reliability.
  • Key Achievements:
    • Resolved nulls, duplicates, and schema inconsistencies.
    • Conducted SQL-based Exploratory Data Analysis (EDA) to uncover insights on product sales, customer segmentation, and seasonal trends.
  • Tech Stack: SQL, MySQL, Database Design, Data Cleaning, EDA
  • πŸ”— View on GitHub
Covid Vaccine Analysis: Global Pandemic Insights
  • Description: Developed an end-to-end project to analyze global COVID-19 vaccination data.
  • Key Achievements:
    • Performed data preprocessing and cleaning using Python (Pandas, NumPy).
    • Built interactive and dynamic dashboards in Tableau to visualize country-wise vaccine distribution and efficiency trends.
    • Improved data interpretation for stakeholders by 15%.
  • Tech Stack: Python, Pandas, Tableau, Data Visualization, Data Cleaning
  • πŸ”— View on GitHub
Advanced Toxic Comment Analysis: NLP for Content Moderation
  • Description: Developed an NLP model to detect and classify toxic comments from online platforms.
  • Key Achievements:
    • Conducted sentiment scoring and feature engineering on a large text dataset.
    • Trained and evaluated multiple classification models (e.g., Logistic Regression, Naive Bayes), improving detection accuracy by 20% compared to a baseline model.
    • Presented findings through clear visualizations and technical documentation.
  • Tech Stack: Python, Scikit-learn, NLTK, Pandas, Machine Learning, NLP
  • πŸ”— View on GitHub

πŸ’Ό Professional Experience

Backend Developer Intern @ Techmate (Ghaziabad, UP)
May 2024 - July 2024

  • Wrote and optimized SQL queries to extract business data and manage tables in MySQL.
  • Performed critical data entry and documentation tasks, ensuring structured and clean records.
  • Assisted in exploratory data analysis of business datasets to identify key patterns.
  • Documented workflows and presented data-driven insights to stakeholders, improving clarity by 20%.

Data and Research Trainee @ EZ
Oct 2025 - Present

  • Conducted market, consumer, and competitor research to identify business trends and insights.
  • Analyzed data to support strategic decisions and product improvements.
  • Created clear reports and dashboards to present findings to teams.
  • Kept track of market trends and tools to stay updated with industry changes.

πŸŽ“ Education & Certifications

  • Bachelor of Technology in Computer Science & Engineering (Data Science)
    • Sharda University, Greater Noida, U.P. (Expected 2026)
View My Certifications
  • Database Programming with SQL – Oracle Academy (Sept 2024)
  • Data Preprocessing – Great Learning (Aug 2024)
  • Machine Learning – Simplilearn (June 2024)
  • Power BI for Beginners – Infosys Springboard (May 2025)

🌱 Community & Leadership

  • Placement Coordinator: Organized career events and coordinated with recruiters to facilitate placement drives.
  • Event Moderator: Led technical discussions and presentations, enhancing public speaking and stakeholder engagement.
  • Content Creator (Medium & MailerLite): Authored articles and newsletters on machine learning, data analytics, and data-driven marketing.

πŸ“« Let's Connect!

I'm always open to connecting with like-minded professionals and discussing new opportunities. Feel free to reach out!

LinkedIn GitHub Gmail LeetCode

Feel free to check out my projects and contribute!

Pinned Loading

  1. -SQLytics-for-Retail-SQL-Analytics- -SQLytics-for-Retail-SQL-Analytics- Public

    SQL-driven retail sales analysis project showcasing data cleaning, EDA, and business insights on customer trends, seasonal demand, and revenue optimization.

  2. Global_Business_Performance_Analysis-Power-BI- Global_Business_Performance_Analysis-Power-BI- Public

    Executive Power BI dashboard analyzing revenue, profit, and regional return rates using simulated data. Leveraged Power Query and DAX to uncover trends in customer behavior, product performance, an…

  3. Covid-19-Vaccine-Analysis Covid-19-Vaccine-Analysis Public

    Analysis of COVID-19 vaccine distribution trends in India and worldwide using Python for data analysis and Tableau for visualization.

  4. Advanced-Toxic-Comment-Classifier Advanced-Toxic-Comment-Classifier Public

    An advanced machine learning project for real-time toxic comment classification, leveraging CNNs and a Kaggle dataset to achieve 95.31% accuracy. Includes preprocessing, feature extraction, and det…

    Jupyter Notebook