Accountant

Accountant
Lisboa
Lisboa, Lisboa, Portugal

Company Description
Smartax is building an AI-powered assistant that helps expats and
- employed professionals in Portugal prepare and submit their annual IRS tax returns quickly and correctly — without replacing accountants, but by encoding tax logic into clear,
- friendly workflows. We work closely with tax professionals to translate real Portuguese tax practice into a digital product. Role Description
We are looking for an IRS Accountant (Portugal) to work with us on a contract basis in a remote setup. This role is not about servicing end clients
-
- day. Instead, you will help us validate tax logic, rules, and edge cases used inside Smartax, ensuring that what users prepare in the product matches real IRS (Modelo 3) requirements. You will:review and validate tax calculation logic and assumptionshelp map
- world tax scenarios to IRS annexes (A, B, J, etc. )verify that generated outputs are compliant with current Portuguese tax rulesflag ambiguities, exceptions, and risky casescollaborate with the product team to explain why something is done a certain way — not just how
Occasionally, you may review anonymized example cases or drafts to ensure correctness and consistency. Qualifications
Required
Solid practical experience with Portuguese IRS (Modelo 3) declarations
Strong understanding of tax filing, annex structure, and compliance rules
High attention to detail and ability to spot inconsistencies
Ability to explain tax logic clearly to
- accountants
Comfortable working independently in a remote, async environment
Nice to have
Experience with expats, freelancers, or foreign income
Prior involvement in tax software, calculators, or automation
Familiarity with reviewing formulas, spreadsheets, or
- based systems
CPA / Contabilista Certificado (preferred, not mandatory)