Head of Tax

About ARQ ARQ is one of the fastest-growing fintechs in the world. Our mission is to redefine how people interact with money across borders, building the infrastructure to move value seamlessly. We're still early in our journey, which means every person who joins shapes the future of our product, culture, and growth. If you're excited by big challenges, global impact, and the chance to grow fast with a world-class team, ARQ is the place to do it.

The Role In the role of Head of Tax, you will serve as both strategic safeguard and functional architect. Rather than simply overseeing filings, you will architect international tax frameworks that dictate how capital moves across borders, including the US and Latin America. Partnering with Product and Engineering teams, you will embed automated tax calculation and withholding engines into our ecosystem. Managing complex operational scale, you will allow ARQ to expand rapidly while staying fully compliant with evolving tax regulations and transfer pricing rules.

What you'll be doing

• Tax strategy and governance

• Define and own the group’s global tax strategy, aligned with business goals, risk appetite and expansion plans.

• Build and maintain a tax risk management and governance framework, including policies, controls, approval thresholds and documented positions.

• Report regularly on tax matters, exposures and planning opportunities to the CFO, executive team, Board and Audit Committee.

• Monitor legislative and regulatory changes in every jurisdiction where the group operates and assess their impact.

• Corporate income tax and compliance

• Oversee timely, accurate corporate income tax filings and payments for every entity, whether done in-house or through external advisors.

• Manage the global tax compliance calendar and make sure no deadlines are missed in any jurisdiction.

• Oversee estimated and advance tax payments, withholding tax obligations and tax refund claims.

• Maintain an up-to-date entity register with each entity’s tax registrations, residency status and filing obligations.

• International tax and transfer pricing

• Design, document and maintain the group’s transfer pricing policy for intercompany services, IP, financing and cost-sharing arrangements.

• Prepare or oversee Master File, Local Files and Country-by-Country Reporting where required.

• Manage permanent establishment risk, tax residency and substance requirements for each entity.

• Apply double tax treaties, minimize withholding tax leakage and manage foreign tax credits.Review intercompany agreements, cash repatriation, dividend flows and cross-border financing so they are tax-efficient.

• Indirect taxes

• Oversee VAT/GST and other indirect tax compliance, such as Brazil’s PIS/COFINS/ISS, Argentina’s IIBB and Mexico’s IVA, wherever applicable.

• Define how indirect taxes apply to the group’s products and services, including financial services exemptions, digital services and cross-border supplies.

• Monitor and implement major indirect tax reforms

• Make sure e-invoicing and digital reporting requirements are met in every jurisdiction.

• Financial reporting and accounting

• Own the tax provision process (current and deferred taxes) under IFRS and/or US GAAP and local GAAPs.

• Prepare tax disclosures for consolidated and statutory financial statements.

• Work with Finance and external auditors on tax balances and audit queries.

• Manage the group’s effective tax rate and forecast tax expense and cash taxes for budgeting.

• Regulatory and fintech-specific tax obligations

• Ensure compliance with financial-account information reporting regimes

• Oversee withholding and reporting obligations on customer transactions, interest, FX gains and payments processed for customers.

• Manage transaction taxes and tax obligations that apply to payment and banking activities in each country, such as Argentina’s tax on bank debits and credits.

• Support regulatory license applications and audits where tax compliance is assessed.

• Team and advisor management

• Build, lead and develop the tax team (in-house and regional tax managers).

• Select, manage and evaluate external tax advisors and service providers in each jurisdiction, and control their fees and the quality of their work.

• Train non-tax teams (Finance, Product, Sales, Legal) on relevant tax matters.

What you'll need

• Background in a Big 4 tax advisory practice focused on financial entities, combined with in-house leadership at a scale fintech or neobank

• Deep knowledge of Latin American tax structures and regulations, and international double-taxation treaties

• Solid background addressing split-payment mechanics, cross-border value flows, and digital transaction withholdings

• Ability to convert complex legal tax requirements into actionable technical logic for engineering execution

• Experience structuring cross-bordering tax strategies for high-growth tech firms approaching public transitions

Nice-to-haves

• Advanced degree in Tax Law, Accounting, or a related field

• Familiarity with tax treatment for multi-currency products and digital assets

Benefits

• Competitive salary

• Sign-on stock options bonus, so you become part of the success of the company

• Discretionary performance bonus (stock options)

• Paid annual leave

• Private health insurance

• Latest technology to work with

• Strong team that will help you improve your skills