BTCFi
Bitcoin collateral becomes BtcUSD, then moves into lending, DeFi, vaults, Native BTC, developer, and partner products.
- Product
- BTC-backed stablecoin
- Evolution
- EVM → Native BTC
- Current
- Partner platform
Frontend LeadRead case study
Jayden Kim · Senior Frontend Engineer
I build clear frontends for complex products.
I’ve been building production frontends since 2017 and Web3 products since 2018. I lead BTCFi, DeFi, and cross-chain work from architecture through reliable operation.
Open to full-time and contract opportunities
Remote collaboration available now · Planning Vancouver relocation in early 2027
At a glance
What I do, in one view.
Frontend since 2017. Web3 since 2018. Deepest focus: Bitcoin collateral → BtcUSD → DeFi, vaults, and partner products.
- Primary focus
- BTCFi
- Issue BtcUSD against BTC
- Use it in vaults and DeFi
- Build for users, partners, and developers
- Core experience
- Financial products
- Lending and DEX
- Cross-chain flows
- Wallets and SDKs
- Recent builds
- Mulle · Tiny Volley
- Cross-chain investment MVP
- Realtime WebRTC game
- Track record
- Frontend since 2017
- Web3 since 2018
01 · Selected work
Selected work
Start with BTCFi: Bitcoin collateral → BtcUSD → DeFi, vaults, and partner products. BiFi and Everdex show the production foundation behind it.
BiFi
A lending product family that grew from a single-chain app into cross-chain lending, leveraged positions, analytics, and years of production operation.
Frontend Lead · Primary Frontend OwnerRead case study
Everdex
A multichain DEX where I led frontend improvements across swaps, bridge routes, liquidity, pools, and LP rewards.
Frontend LeadRead case study
Recent builds
Two smaller builds: a cross-chain investment MVP and a realtime browser game.
Mulle
A testnet investment MVP that lets a verified GIWA account request an external-chain position, track settlement, and claim shares without holding native gas.
Live testnet MVP · Jul 2026Read case study
Tiny Volley
A playable browser volleyball game with local multiplayer, AI, mobile controls, and peer-to-peer online rooms.
Live independent build · 2026Read case study
02 · Experience & Selected recognition
Built in production.
Long-term product ownership, plus focused experiments with new infrastructure.
Current role
Jun 2018 — Present
PiLab Technology / Bifrost
Frontend Engineer · Frontend Lead across key products
Leading architecture and delivery across production BTCFi, DeFi, DEX, cross-chain, bridge, and shared SDK products.
- Frontend
- Since 2017
- Web3
- Since 2018
03 · Contact me
Let’s build trust.
I’m available for remote collaboration now and planning to relocate to Vancouver in early 2027. Email is the fastest way to reach me.
Remote collaboration available now · Planning Vancouver relocation in early 2027
IEC Working Holiday POE Letter issued. Open work permit pending entry and border approval.