Top Tech Jobs & Startup Jobs in NYC, NY

Build and migrate services to a new IaC-driven infrastructure, improve latency, reliability, and observability, enable developer self-service, and write backend code in Go while applying security best practices.

Build the entity service (central configuration plane) and its UI, design and implement a low-latency, reliable pricing system, collaborate with quants/infra/data/backend teams, ensure robust schema evolution and validation, leverage AI responsibly, and prioritize risk-averse, solution-oriented engineering to deliver best-in-market pricing.

Work with leadership on vendor and institutional relationships, financial operations, fundraising logistics, legal and entity coordination, strategic analysis, and quarterly planning. Own vendor contracts, licensing, renewals, financial modeling, investor diligence, and onboarding for institutional partners.

First in-house talent hire owning full-cycle recruiting: scheduling, ATS management, sourcing, candidate experience, recruiter relationships, offer drafting and pre-onboarding, pipeline reporting, and building repeatable recruiting processes.

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.