Polymarket is the world's largest prediction market platform. We enable individuals to express views on real-world events by trading on outcomes across politics, economics, sports, culture, and current affairs. Built as a peer-to-peer marketplace with no centralized "house," Polymarket aggregates diverse opinions into transparent, market-based probabilities that reflect collective expectations about the future.
We're growing fast: both in volume ($21B traded in 2025) and in adoption as an alternative news source. Our ambition is to become a ubiquitous beacon of truth in global media, powered by fast, reliable, and deeply technical market infrastructure.
We're looking for a Senior Accountant to join our finance team. Reporting to the Controller, you'll be responsible for delivering timely, accurate financial reporting while building the systems, controls, and processes needed to scale with our growth. We operate at the intersection of innovation, scale, and disciplined financial execution and this role sits at the center of it all.
Own the monthly, quarterly, and annual close processes under US GAAP, ensuring accuracy and timeliness
Perform account reconciliations, journal entries, accruals, and balance sheet reviews in close partnership with business stakeholders
Prepare payments and payment reconciliations, and stay organized around contract management and deliverables
Support financial reporting, external audits, and internal controls
Maintain general ledger integrity and drive process improvements and system enhancements across ERP and automation tooling
Collaborate on strategic projects spanning new monetization models, international expansion, product launches, and M&A support
Active CPA license (required)
26 years of progressive accounting experience at technology or high-growth internet companies; high transaction volume experience is a strong plus
Experience spanning both early-stage startups and public companies
Strong breadth of GAAP expertise and the ability to communicate accounting concepts clearly to non-finance stakeholders
2+ years of Big 4 experience strongly preferred
Bachelor's degree in Accounting or Finance
Comfort with and curiosity about modern finance systems crypto, Ramp, Brex, ERP, and automation tooling
Excel fluency; SQL skills are a plus (we're happy to teach)
The ideal candidate is meticulous, thrives in fast-moving and ambiguous environments, communicates with clarity, and brings a proactive, process-oriented mindset to everything they do.
Competitive salary & equity
Unlimited PTO
Full Health, Vision, & Dental coverage
401k match
Hardware setup new MacBook Pro, big display, & accessories
Senior Accountant • New York, NY, United States
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