Fintech & Blockchain Director

**About the role** Lead the overall architecture design, technical iteration and full-stack delivery of blockchain underlying infrastructure, digital asset security systems and core fund trading systems for Hong Kong virtual asset businesses, maintaining financial-grade high concurrency, high availability and zero major security incidents. **Key responsibilities** - Analyze underlying protocols of mainstream public chains, implement standardized multi-chain adaptation and technical integration, and build a unified, stable and scalable multi-chain technical architecture to support business expansion. - Independently drive the self-development and optimization of financial-grade digital wallet architecture, and build a full-link asset risk control & security system covering asset custody, transaction verification, fund reconciliation and abnormal risk early warning. - Optimize underlying system performance, high-concurrency governance and cross-language architecture integration, troubleshoot core and complex underlying faults, and continuously enhance system stability and security defense capabilities. - Manage the R&D of core fund and security systems, formulate technical specifications and security standards in compliance with Hong Kong SFC virtual asset regulations, and ensure long-term compliant operation of platforms. - Lead the technical team to deliver large-scale distributed financial system projects, balance technological innovation, system stability and risk control, and support the upgrade of business to global top-tier level. **About you** - 20+ years of solid experience in underlying R&D and architecture design of large complex systems. - Experience in both industrial high-reliability real-time control system R&D and long-term fintech & blockchain underlying infrastructure development. - Proven senior management experience in core system R&D for top-tier global virtual asset trading platforms. - Mature experience in building high-security and high-availability financial-grade fund and trading systems. - Familiar with Hong Kong fintech and virtual asset industry ecology, local regulatory requirements and technical risk control standards.