Jobs at Ostium

Lead and build Ostium's accounting function: own monthly/quarterly consolidated close, reconcile onchain activity to US GAAP financials, value NAV and positions, manage crypto treasury and wallets, build reconciliation and control infrastructure, drive audit readiness and tax coordination, and run corporate accounting (AP, payroll, equity/token accounting).

Lead end-to-end user acquisition and channel discovery for an onchain trading platform. Run zero-to-one growth experiments across paid, SEO, creators/influencers, lifecycle email, referral/affiliate, and regional channels. Build funnel analytics, optimize CAC/LTV, own lifecycle journeys, and scale validated channels into repeatable programs while hiring and mentoring a growth team.