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iamjunlee/README.md

Hi there 👋 I'm Jun

I'm a software developer building Loqu, a social language exchange app powered by AI and real human connections.
I care about building scalable, maintainable, and debug-friendly systems that stay efficient as they grow.

🛠️ What I’m building

  • 🗣️ Loqu — a multilingual language exchange platform where users practice speaking and writing with each other, powered by AI correction and push-based habit loops
  • 💡 Built with:
    • **Expo + React ** for true cross-platform support
    • AWS Amplify for a fully serverless backend
    • S3 + AWS Lambda image processing for optimized media delivery
    • Firebase & RevenueCat for analytics and subscription management
    • i18n & multi-region support for a truly global audience

📈 What I've done so far

  • 🧪 Built a custom A/B testing system to measure user behavior and retention
  • 🌍 Implemented real-time push notification infrastructure with localization in 10+ languages
  • 📦 Shipped an automated image optimization pipeline using AWS Lambda
  • 💬 Designed and deployed scalable chat & thread-based feed features using AWS GraphQL
  • 💸 Launched with subscription model and full App Store / Play Store compliance

💬 Ask me about

  • Building for scale with serverless (AWS amplify)
  • Multilingual app design and localization strategies
  • Mobile + Web code sharing using Expo + React

🤔 What I’m curious about

  • Recommendation system
  • System Design

🚀 Fun fact

Before Loqu, I bootstrapped and scaled a profitable private gym business—turning underused resources into predictable revenue. I love spotting inefficiencies in systems and turning them into opportunities.


📫 Let’s connect: LinkedIn | Twitter | loqu.landing-page

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  1. iamjunlee iamjunlee Public

    My personal repository