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jlin1599/README.md

πŸ‘‹ Hi there, I'm Jackie Lin!

πŸš€ Aspiring Software Engineer | CS @ CUNY Hunter College (’27)
πŸŽ“ Dean’s List | GPA: 3.5 | Software Engineering Fellow @ CUNY Tech Prep
πŸ’‘ Passionate about building impactful products through full-stack development and AI tools
πŸ” Exploring projects in health tech, CRM automation, and small business solutions


πŸ’Ό Experience

🧠 Software Engineer Intern @ The Difference App (June 2025 – Present)

  • Rebuilt admin login system using Node.js, Express.js, and MySQL to resolve access issues and support 1,500+ user records
  • Secured login flow by fixing React token handling and backend auth logic, blocking 100% of unauthorized access
  • Boosted backend scalability with MySQL connection pooling, handling 10Γ— more concurrent requests at peak load

🏘️ Software Developer Intern @ Evergreen Investments (Mar – May 2025)

  • Automated property-to-lead matching with Deluge and Zoho CRM
  • Deployed a custom JavaScript widget that boosted ticketing efficiency by 40%

πŸ’‡ Freelance Web Developer (May – June 2025)

  • Built a React + Tailwind CSS portfolio for a local barber, increasing bookings by 20%
  • Improved Google discoverability and enabled online booking, raising monthly revenue by $1,000+

πŸ’» Tech Stack

Programming Languages: JavaScript, TypeScript, Python, C++, HTML/CSS, SQL

Libraries & Frameworks: React, Next.js, Node.js, Express.js, Tailwind CSS, Vitest

Developer Tools: Git/GitHub, Bash/CLI, Vercel, Supabase, AWS, Localstack, Postman, Firebase

Databases: MySQL, PostgreSQL, DynamoDB


πŸš€ Projects

  • Built an AI behavior coach using OpenCV, MediaPipe, and OpenAI with 90% detection accuracy
  • 1st place winner; presented to Meta, Google, and Amazon at CUNY Pitchfest
  • AI health assistant using OpenAI + Firebase, with personalized symptom analysis and nearby care search
  • Used by 75% of testers; achieved 99% precision and improved user confidence
  • React-based booking site for local business; increased client bookings and added $1,000+ monthly revenue
  • Created fully responsive UI with modern design, improving business visibility

πŸ”Ή DraftSmart

  • NBA fantasy draft tool using React + Node.js + Express.js + Tank01 API + OpenAI API
  • Enables stat comparisons and draft planning using real-time data

πŸ“š Currently Learning

  • Advanced React and Express best practices
  • SQL optimization and system design
  • Technical interviewing prep

πŸ“¬ Connect with Me


✨ Always excited to learn, build, and make a difference through tech.

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