Controller

OUR MISSION

Reflection is a research lab making intelligence open and accessible for everyone to use, customize, and build on. We build open models that let anyone control their intelligence and help shape the future of AI. Our mission: make intelligence open and accessible to all.

ROLE OVERVIEW

As Controller, you’ll build the accounting function from the ground up. You own the close, technical accounting, financial reporting, and the internal controls that make all of it trustworthy. You’ll navigate complex deal structures across sovereign and enterprise contracts, manage the external audit relationship, and oversee equity accounting as our programs scale. You’ll own tax compliance and strategy, partner with legal and finance on entity structure, and build the accounting and tax teams beneath you. This role reports to the VP of Finance.

WHAT YOU'LL DO

- Own the month-end and quarter-end close — accuracy, timeliness, and improving both

- Lead all technical accounting determinations: revenue recognition, equity, leases, and novel deal structures

- Own global tax strategy, planning, and compliance — federal, state, and international

- Manage the external audit relationship end-to-end; own the audit timeline and deliverables

- Build and maintain internal controls and financial reporting infrastructure

- Partner with legal on entity structure and transfer pricing

- Oversee AP, AR, payroll, and treasury operations

- Build the accounting and tax teams beneath you

WHAT WE'RE LOOKING FOR

- 7-10+ years of relevant finance and accounting experience

- CPA required; Big 4 background strongly preferred

- Deep technical accounting expertise — ASC 606, ASC 718, ASC 842, ASC 360 and the judgment to handle what's not in the textbook

- Experience owning a close process and an audit at a high-growth technology company

- Demonstrated ability to build an accounting function from scratch, including team, systems, and processes

- Comfortable na...