Ahmedabad, GujaratPortfolio — 2026

HetrajsinhChauhan

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Ahmedabad, GujaratData Science & Full-Stack Developer

Hetrajsinh Chauhan

B.Sc. Data Science student building full-stack products and data-driven trading systems — from React dashboards to backtested signal engines.

Python✦Java✦JavaScript✦PHP✦C✦C++✦SQL✦HTML✦CSS✦Bootstrap✦React.js✦Node.js✦Express.js✦MongoDB✦MySQL✦Hadoop (Basics)✦Pandas✦NumPy✦Matplotlib✦Scikit-learn✦Data Cleaning & Preprocessing✦Exploratory Data Analysis (EDA)✦Descriptive Statistics✦Data Visualization✦Microsoft Excel – Data Cleaning✦Sorting✦Filtering✦Formulas✦Pivot Tables✦Charts✦Git✦GitHub✦VS Code✦Jupyter Notebook✦Postman✦Ubuntu (Linux)✦

Full-stack development meets data analysis.

Portrait of Hetrajsinh Chauhan
Hetrajsinh ChauhanAhmedabad, Gujarat

B.Sc. Data Science student with hands-on experience in full-stack development (React.js, Node.js, MongoDB) and data analysis using Python, SQL, and Excel. Built real-world projects including a SaaS gym management system, stock market analysis tools, and custom trading indicators.

Currently
Data Science & Full-Stack Developer
Co-Founder
Vasundhara Technologies
Building
Ciper Eye — ML Stock Market Indicator
Based in
Ahmedabad, Gujarat
Track record

Builtreal-worldprojectsincludingaSaaSgymmanagementsystem,stockmarketanalysistools,andcustomtradingindicators.

Projects built end to end.

01
  • React.js
  • Express.js
  • Node.js
  • MongoDB
Team of 2

GymOS

Gym Management SaaS

  • Built a full-stack gym management system with role-based authentication for Admin, Receptionist, and Members.

  • Developed role-specific dashboards covering membership management, attendance tracking, and reporting.

  • Designed REST APIs and MongoDB schemas for members, plans, and payments.

02
  • Python
  • Pandas
  • Matplotlib

Stock Market Analysis Dashboard

Automated equity analysis

  • Built a dashboard that automatically analyzes selected stocks and generates a detailed summary of available data and key metrics.

  • Implemented technical analysis logic to evaluate trend direction and indicate a stock's potential next move.

  • Visualized price performance and indicators using Python data-visualization libraries.

03In progress
  • TradingView Pine Script
  • Python

Trading Indicator & Signal Engine

Multi-factor confluence scoring

  • Engineered a rule-based trading indicator combining trend detection, support/resistance zones, and momentum analysis into a multi-factor confluence scoring engine.

  • Backtested signal logic across multiple timeframes, achieving ~70% signal accuracy on historical data.

  • Currently building an automated execution pipeline with Python and broker APIs (in progress).

04
  • React.js
  • JavaScript
  • MongoDB
Team of 2

Cafe Management System

Menu, orders and billing

  • Built a React-based cafe management system with a MongoDB backend, covering menu display, order handling, and billing.

Reading the market with rules, not hunches.

Confluence modelIllustrative — not live market data
SignalTrendSupportResistance

The full toolkit.

Education & certifications.

  1. B.Sc. Data Science (3rd Year)

    2024 – 2027

    JG University, Ahmedabad

    SGPA: 7.2 (Sem 4)

  2. HSC (Class XII)

    2024

    S.D. Vyas School

    60 %

  3. SSC (Class X)

    2022

    S.D. Vyas School

    61 %