Design and implement a shared core layer across platforms, contribute to architecture decisions, collaborate with other engineers, and improve system performance and reliability.

Provide executive support to the CEO and Leadership Team, manage office administration and vendors, support accounts including bank reconciliations, assist HR with onboarding/offboarding and records, coordinate international travel and internal events, and maintain confidential, organized, and collaborative operations.

Design and implement a shared Rust core used across desktop, mobile, and backend. Drive architecture decisions around CRDTs and distributed systems, integrate Rust components with frontend/mobile/backend teams, and improve performance, reliability, and maintainability.