Assistant Controller: FinTech GAAP, SOX & CFTC

Phaxis; New York (NY); On-site; USD 120,000 - 180,000; Full time

Job summary

Phaxis is assisting a fast-growing, regulated financial services client in New York. The Assistant Controller will own US GAAP close for multiple entities, strengthen SOX controls, and lead technical accounting on ASC 606, ASC 805, and ASC 350-60.

Reporting to the Controller, you will partner with legal and compliance on regulatory filings (including CFTC), mentor junior staff, and drive scalable accounting infrastructure to support a high-volume fintech environment.

Qualifications

• Active CPA license required.
• 8-15 years of progressive accounting experience in banking, fintech, or regulated financial services.
• Hands-on experience in high transaction volume environments, including crypto on-ramps and crypto settlements.
• Experience with SOX compliance and US regulatory filings (CFTC).
• Strong Excel skills; ability to explain complex GAAP positions to non‑accountants.
• Big 4 experience strongly preferred.
• Experience with accounting system implementations is a plus.
• SQL skills are a plus.
• Prior startup experience building accounting infrastructure is a plus.

Responsibilities

• Own the monthly, quarterly, and annual close process end to end under US GAAP for multiple entities.
• Maintain and expand the SOX control environment and address control gaps.
• Apply ASC 606, ASC 805, and ASC 350-60 in complex areas independently.
• Prepare and document technical accounting conclusions for internal and external audiences.
• Partner with the Controller, legal, and compliance on US regulatory filings including CFTC.
• Scope and implement accounting system improvements and scalable workflows.
• Collaborate with product, legal, and business teams on new product launches and M&A activity.
• Manage and mentor junior accounting staff.

Skills

CPA license

Excel proficiency

GAAP knowledge

SQL skills

Education

Bachelor's degree in Accounting or Finance

Job description

Phaxis is assisting a fast-growing, regulated financial services client in New York. The Assistant Controller will own US GAAP close for multiple entities, strengthen SOX controls, and lead technical accounting on ASC 606, ASC 805, and ASC 350-60.

Reporting to the Controller, you will partner with legal and compliance on regulatory filings (including CFTC), mentor junior staff, and drive scalable accounting infrastructure to support a high-volume fintech environment.