Senior Assistant Controller — Fintech, GAAP & SOX Expert

Polymarket; New York, Northern (NY, KY); Hybrid; USD 275,000 - 295,000; Full time

Benefits offered by this job

Competitive salary + equity

Unlimited PTO

Health, Vision, Dental coverage

Job summary

Polymarket, the world’s leading prediction market platform, seeks an Assistant Controller to own US GAAP reporting across entities and strengthen the SOX control environment. You will oversee complex financials for a high-volume platform with crypto settlements and regulatory obligations, reporting to the Controller.

Ideal candidates have CPA, 8–15 years in fintech or regulated financial services, and hands-on ASC 606/805/350-60 knowledge.

Qualifications

• Active CPA license is required.
• 8–15 years of progressive accounting experience in banking/fintech/regulatory financial services.
• Experience with high transaction volume environments incl. crypto settlements and fiat integrations.
• Demonstrated GAAP expertise across ASC 606, ASC 805, ASC 350-60, applied independently.

Responsibilities

• Own monthly, quarterly, and annual close under US GAAP, including consolidated financials and statutory filings.
• Maintain and expand SOX controls as product lines grow in the US.
• Apply complex GAAP standards across ASC 606/805/350-60 and document conclusions clearly.
• Collaborate with legal/compliance for US regulatory filings (CFTC, etc.).
• Scope and implement accounting system improvements and workflows.
• Mentor junior staff and ensure high-quality, scalable processes.

Skills

CPA license

Big 4 experience

GAAP expertise

Excel proficiency

SQL skills

Leadership

Communication

Education

Bachelor's in Accounting or Finance

Tools

SQL

Excel

Job description

Polymarket, the world’s leading prediction market platform, seeks an Assistant Controller to own US GAAP reporting across entities and strengthen the SOX control environment. You will oversee complex financials for a high-volume platform with crypto settlements and regulatory obligations, reporting to the Controller.

Ideal candidates have CPA, 8–15 years in fintech or regulated financial services, and hands-on ASC 606/805/350-60 knowledge.