Controller

Job Description Job Description 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.