I'm Jay Kye
Full-Stack Software Engineer
Built platforms serving 7K+ users | React, Next.js, Node.js
That's what happens when curiosity meets execution.
Springboard bootcamp graduate with Harvard CS50 certificate, passionate about building scalable web applications that solve real-world problems. Recently developed a social platform serving thousands of users and published a mobile puzzle game reaching #183 App Store ranking.
Currently seeking entry-level opportunities to collaborate with experienced teams while contributing fresh perspectives and strong problem-solving abilities.
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Technical Stacks
Frontend
Backend
Database
Cloud & DevOps
Game Development
AI-Assisted Development
Computer Science Fundamentals
Projects
A showcase of my recent development projects and technical implementations.
BKRS.io - Social Platform for Crypto Community
Full-Stack Developer • Oct 2024 - Present
Developed and deployed full-stack social platform serving 7,000+ users with 63k+ feeds and 656k+ interactions. Built from concept to production with focus on Korean crypto community needs.
🌐 International Recruiter Access
Username
demouser
Password
Demouser1!
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- Core Development
- • Implemented intelligent content ranking using exponential decay algorithm for optimal user engagement
- • Built comprehensive social features: user following, feed interactions, commenting system, and real-time updates
- • Achieved 99.9% uptime through optimized database queries and effective caching strategies
- Technical Architecture
- • Frontend: Developed responsive UI using Next.js, React, and Material-UI with TypeScript
- • Backend: Built scalable Node.js APIs with MongoDB for user management and social features
- • Infrastructure: Deployed on AWS (S3, CloudFront, Elastic Beanstalk) with Vercel CDN integration
- Key Learning Outcomes
- • Full-stack development lifecycle from planning to production deployment
- • Performance optimization and scalability considerations for user-facing applications
- • User experience design and community engagement analytics
- • Modern development workflows and cloud infrastructure management
MoBlock2 - Mobile Block Puzzle Game
Game Developer (Personal Project)
Self-directed mobile puzzle game project showcasing cross-platform development skills and rapid learning ability. Published on both iOS and Android, reaching #183 in Korean App Store Puzzle category.
- Project Outcomes
- • Published cross-platform mobile game achieving #183 ranking in Korean App Store Puzzle category
- • Successfully deployed to both Google Play Store and Apple App Store within development timeline
- • Gained 600+ downloads demonstrating market validation and user engagement
- Technical Development
- • Self-taught Unity Engine and C# from scratch, demonstrating rapid technology adoption
- • Implemented complex game mechanics: strategic gameplay, progression systems, and achievement tracking
- • Built dual leaderboard system with weekly UTC-based scoring and 251-level achievement progression
- • Optimized mobile performance ensuring smooth gameplay across various device specifications
- Learning & Growth
- • Applied software engineering principles from web development to game development domain
- • Created maintainable, scalable code architecture supporting future feature enhancements
- • Gained experience with mobile app deployment processes and platform requirements
- • Developed cross-disciplinary skills bridging web and game development technologies
Crypto Faucet - Blockchain Learning Platform
Full-Stack Developer (Personal Project)
Developed educational blockchain faucet enabling users to experience Web3 technology risk-free. Built to help newcomers understand blockchain fundamentals through hands-on interaction with testnet environments.
- Web3 Development
- • Integrated MoTe Blockchain network with Bitcoin-compatible address system
- • Implemented transaction signing and broadcasting using Bitcoin-JS library
- • Connected to Electrum server for real-time blockchain communication and status updates
- User Experience Design
- • Created beginner-friendly interface with step-by-step blockchain interaction guides
- • Implemented claim tracking system using localStorage with UUID-based user identification
- • Built comprehensive educational content and safety disclaimers for new users
- Technical Implementation
- • Developed mobile-responsive design using CSS Modules for maintainable styling
- • Integrated blockchain explorer links for transaction verification and transparency
- • Configured environment-based settings for secure key management and server communication
- Key Learning Outcomes
- • Gained practical experience with blockchain development and Web3 integration
- • Understanding of cryptocurrency wallet functionality and transaction processes
- • Experience with real-time data fetching and state management in blockchain applications
- • Applied user experience principles to complex technical concepts
External Collaborations
Professional collaboration experiences with external companies and development teams.
Technical Contributor (Contract)
Mobickers - BTCMobick Blockchain
Invited by CTO to integrate real-time Korean Won currency conversion into a forked BTCMobick blockchain mempool explorer, successfully localizing the platform for the Korean market.
- Key Contributions
- • Developed real-time USD-KRW exchange rate API integration
- • Refactored AngularJS components for improved performance
- • Implemented seamless frontend-backend integration
- Impact & Results
- • Successfully localized international blockchain platform
- • Enhanced accessibility for Korean market users
- • Delivered on schedule under strict code quality standards