Frontend engineer who turns complex ideas into polished, shippable products
5+ years delivering React, Next.js, TypeScript, and React Native products for enterprise applications, startups, and teams that care about maintainable architecture and polished user experience.
About
A senior frontend engineer with product sense and production discipline.
Senior Frontend Engineer with 5+ years of experience building scalable web and mobile products using React, Next.js, React Native, and TypeScript. Proven experience owning frontend architecture, establishing engineering standards, and delivering production applications across startups, enterprise use cases, and distributed teams.
Architecture Ownership
Creates reusable component patterns, project structure standards, and maintainable frontend workflows.
Cross-Team Product Delivery
Works closely with product managers, designers, backend engineers, QA, and stakeholders across distributed teams.
Enterprise-Ready Execution
Builds client-facing and internal platforms with performance, release quality, and long-term scalability in mind.
Technical Skills
Built around the modern JavaScript product stack.
Frontend
Mobile
Backend & APIs
Architecture
Tools
Integrations
Featured Projects
A few things I've built and shipped along the way.
Browse by stack, explore the details, and check out what's live. Some client work stays private. Happy to walk through more on a call.
Webtoon & Novel Platform
Conture ( 쟈근친구들 )
Creator and reader platform with content workflows, virtual currency, settlements, withdrawals, and type-safe backend communication.
- Supported 100+ combined story and episode records
- Built monetization workflows for balances, transactions, settlements, and withdrawals
- Integrated OpenAPI-generated clients for reliable API contracts
Hiking App Mobile & Website
Uobong ( 우오봉 )
Cross-platform hiking product with geofencing, quest completion, achievement tracking, and background location synchronization.
- Implemented Google, Apple, and Kakao OAuth flows
- Managed production releases through EAS Build and OTA updates
- Extended the platform with a web app and admin panel
Event Wallet & Ticketing
CHI App
Mobile app for event wallets, ticket management, and event payments across Android and iOS.
- Built wallet, ticketing, and event payment flows for production release
- Integrated payment functionality, ticket validation, and transaction history
- Coordinated release readiness with QA, backend, and stakeholders
Event Admin Platform
Event CHI Backstage
Revamped legacy admin panel codebase, migrating from JavaScript to TypeScript while modernizing features for event organizers.
- Restructured components, updated dependencies, and removed outdated code for better maintainability
- Implemented real-time dashboard analytics, user management, and event floorplan customization
- Optimized API calls and Redux state management to improve admin panel performance
Smart Lighting Mobile App
SunLike MTE
Android and iOS application for Seoul Semiconductor to manage home lighting systems with hardware communication over Wi-Fi.
- Integrated TCP and UDP connections for hardware communication over Wi-Fi
- Collaborated with hardware engineers to ensure smooth app-to-device communication
- Deployed on Android and iOS with a focus on performance and ease of use
Coffee Shop Mobile App
Caffeine Addicted ( 카페인중독 )
Android and iOS applications for a Korean coffee shop, serving both store and customer ordering interfaces.
- Enabled delivery ordering with Nicepay third-party payment integration
- Incorporated delivery service API for order tracking and delivery management
- Collaborated with cross-functional teams on payment gateway and delivery integrations
Property Tokenization Platform
Forslice
Built and shipped the full marketing website for a Singapore-based real estate tokenization startup using Next.js 15, TypeScript, and Tailwind CSS 4.
- Designed a feature-based frontend architecture to keep pages modular and easy to extend
- Set up site-wide SEO with Open Graph and Twitter cards for discoverability
- Implemented shared layout, navigation, and global state management for a consistent user experience
Yoga Retreat & Wellness Platform
Soulful Goddess
Built the full marketing website for Soulful Goddess, a transformative yoga retreat brand in Mallorca by Vanessa Wolter — from retreat promotion and storytelling to testimonials, sign-up flows, and community engagement.
- Developed responsive pages for retreat listings, vision storytelling, products, FAQs, and private yoga events
- Implemented testimonial showcases, sign-up CTAs, and social integrations for Instagram, WhatsApp, and email
- Delivered multilingual routing, SEO-ready structure, and a warm, immersive UI that reflects the wellness brand
Web3 DApp Platform
Poopooville
DApp platform for buying and selling NFT collections, creating NFT lotteries, and facilitating ERC20 token sales.
- Built NFT marketplace, lottery, and ERC20 token sale workflows
- Integrated Web3 wallet connectivity for secure user transactions
- Delivered polished front-end experiences with Lottie animations
Web3 NFT Platform
Omakasea
Application platform for creating, buying, and selling NFTs on the Ethereum network.
- Built smooth NFT creation and marketplace experiences on Ethereum
- Ensured seamless integration with Ethereum smart contracts for transactions
- Delivered responsive UI with Chakra UI and React Router
Web3 Token Platform
Mooncake
DApp website for buying, selling, and viewing real-time charts of Mooncake tokens on Binance Smart Chain.
- Developed a DeFi decentralized application (dApp) frontend on Binance Smart Chain integrating with existing AMM protocols such as PancakeSwap
- Implemented real-time chart updates for token trading activity
- Implemented token swap functionality using smart contract interactions, with slippage control and transaction handling.
Experience
Where I've Worked, What I've Built, and Who I've Collaborated With.
Availability
Open to remote and onsite collaboration.
Available for Remote & Onsite Opportunities
Interested in frontend development, React Native product work, and contract engagements, whether your team is distributed, hybrid, or in office.
Contact
Let's build something scalable, elegant, and ready for production.
Reach out for full-time, contract, remote, onsite, or hybrid roles, freelance builds, or product engineering collaboration.