About
Experience
// UJET.cx · Google CCAI Platformcurrent
Senior Fullstack Software Engineer
Tech Lead
Jul 2023 — Present
- .-Tech lead for a 12-engineer call team on UJET / Google's AI-first CCaaS platform
- .-Voice call features: MS Teams call integration, extension phone number services, virtual agent callback system
- .-Web-based SDK service development for chat
// NPX TeraArk
Fullstack Software Engineer
Feb 2022 — Jul 2023
- .-Built the TeraArk corporate website frontend and shipped multiple blockchain-integrated services
- .-NFT projects: webtoon-based raffle PoC, on-chain personal identity, ownership & price tracking
- .-Smart contract development with wallet integration across NFT services
// Samsung SDS · Blockchain Center Platform Team
Software Engineer
Mar 2016 — Apr 2022
- .-Core backend developer (2016–2021), then research engineer (2021–2022) on Nexledger Universal, Samsung SDS's enterprise blockchain solution
- .-Built consensus algorithm (NCA), blockchain node, multi-language SDKs (Java, iOS Swift), and core service APIs (Java/Spring)
- .-PoCs: BankSign co-verification (Korea Federation of Banks), zk-proof integration with QEDIT, DELIVER logistics platform, payment disbursement smart contracts
- .-Designed initial BaaS containerization and cloud deployment; holds 2 blockchain patents
Education
// Korea Advanced Institute of Science and Technology (KAIST)
B.S. Industrial & Systems Engineering + Management Science
Sep 2008 — May 2016
- .-Double major combining engineering systems and business management
- .-Coursework: Data Structures, Operations Research, Financial Management, Business Process Management
Languages
Coming soon.