About the role

Role overview

As Senior Accountant at Rythm, you will be at the center of the company’s growing finance function. Working closely with the Head of Finance and founders, you will own key parts of the close, ensure books are accurate and GAAP-aligned, and help design scalable, automated accounting processes.

Responsibilities

Own key components of month-end, quarter-end, and year-end close
- Prepare complex journal entries, account reconciliations, and supporting schedules
Own assigned balance sheet and income statement components
- Perform monthly flux and variance analysis and explain period-over-period drivers
Prepare GAAP-aligned financial statements and monthly reporting packages for founders, board, and investors
Improve accounting processes in the general ledger (GL), including revenue, accounts receivable, accruals, inventory, and COGS
- Run quarterly reconciliation reviews to ensure compliance with company policy and U.S. GAAP
Research and document accounting conclusions in accordance with U.S. GAAP
Redesign and automate routine processes (e.g., journal entries and reconciliations) using AI tools
- Support internal controls and documentation as the company scales
Partner cross-functionally with Operations, Partnerships, Legal, and Product
Support external audit and tax workstreams with the external CPA
Drive special projects from identification through implementation

Requirements

4+ years of progressive accounting experience (ideally a mix of public accounting and high-growth startup/consumer subscription environments)
Strong working knowledge of U.S. GAAP, including research and clear documentation of technical conclusions
Demonstrated ownership of month-end close components (journal entries, reconciliations, flux/variance analysis)
Systems fluency: modern GL platforms and advanced Excel ( SQL is a plus )
Fluency with AI tools and willingness to apply AI daily
Process-improvement mindset and comfort with pace/ambiguity in an early-stage company
CPA or active CPA candidate preferred

Benefits / perks

Competitive base salary and meaningful equity
Flexible remote-first environment
Paid time off and company holidays
401(k)
Monthly Rythm membership (at-home blood testing and personalized health insights)
Healthcare premium fully covered by the business

About Rythm

Rythm is a fast-growing at-home health and wellness company that delivers easy blood testing and runs monthly testing from home. The company processes millions of tests across the U.S. and operates in-house across sample testing and logistics as well as broader functions like code, marketing, and design.