Controller

About OptiSigns

• Houston-based B2B SaaS powering digital screens for 30,500+ businesses
• Profitable, high-growth, product-led culture—design and engineering are core values

Why this role exists

• Rapid ARR growth, multi-currency revenue, and a German subsidiary add complexity
• Need our first in-house Controller to replace “good-enough” bookkeeping with a scalable finance engine
• Role is 5 days a week in our Houston office—you’ll be the heartbeat of finance on-site

What you’ll do

• Own full U.S. and DE month-, quarter-, and year-end close; deliver GAAP financials, flux analyses, and board decks
• Implement and optimize our finance stack (Xero, Stripe, Ramp, TaxJar, plus any add-ons you recommend)
• Design SOPs, approval workflows, internal controls, and a clean chart of accounts that withstand audit
• Build 13-week cash forecasts, annual budgets, and scenario models (ARR, churn, CAC, headcount)
• Manage U.S. federal/state income tax, franchise tax, sales-tax filings, R&D tax credit studies and filings, 1099s/W-8s, and German VAT; coordinate with external CPAs
• Review and approve vendor payments, payroll, and employee expenses; optimize cash management and yields
• Translate numbers into insights for leadership; partner with teams to hit growth and margin targets

Requirements

What you bring

• 6–10 years progressive accounting experience, including 2+ as Controller or Assistant Controller at a VC-backed tech/SaaS company (30–200 employees)
• CPA required; deep U.S. GAAP knowledge and solid understanding of ASC 606 subscription revenue
• Hands-on expertise with Xero or similar ERP and integrations (Stripe, Ramp, TaxJar, Expensify/Bill Pay, etc.)
• Proven track record building finance processes from scratch and automating routine tasks
• Experience coordinating R&D tax credit studies or working with specialty firms a strong plus
• Advanced Excel/Google Sheets skills (arrays, Power Query, scenario modeling)
• Clear communicator who can explain finance to non-finance teammates
• Authorized to work in the U.S. and able to commute to our Houston HQ daily

Bonus points

• Experience with German accounting (DATEV) and EU compliance
• Managed sales-tax nexus across 10+ states
• Familiarity with SaaS metrics (ARR, NRR, LTV/CAC) and board-level reporting
• Big 4 audit background or IPO readiness work

Benefits

Benefits & perks

• Medical, dental, and vision insurance
• Generous PTO & paid holidays
• 401(k) with match (starting 2025)
• Monthly learning stipend (courses, conferences, books)
• Latest MacBook Pro / preferred dev setup
• Collaborative, product-obsessed culture with direct access to leadership

We review every application personally and respond within a week.
Ready to build the finance backbone of a fast-scaling SaaS company? Apply now and let’s keep our numbers as flawless as our screens.