Tax Domain Expert

Marble Technology Inc.•Toronto, ON

About The Position

Marble is building an AI-powered tax assistant and preparation platform that transforms how accounting firms and their clients handle taxes. We're targeting the pain points of mid-to-large size accounting firms with intelligent tools designed to streamline complex tax workflows. We're early stage, highly collaborative, and deeply focused on solving real, high-impact problems for our customers. We're hiring a Tax Specialist – Subject Matter Expert to shape Marble's product and ensure its AI intelligence aligns with the needs of tax professionals. You will leverage your deep tax expertise to influence how our platform reasons, researches, and advises — bringing real-world firm experience directly into the product. This role sits at the intersection of tax expertise, product thinking, and AI quality. You'll work closely with Product and Engineering to define what 'good' looks like for tax intelligence, identify gaps and risk areas, and help build a platform practitioners can trust for critical, high-stakes work. If you have strong opinions about how tax software should work and are excited by the idea of shaping AI-powered tools at an early-stage company, you'll be a great fit.

Requirements

Credentialed tax professional: CPA, Tax Attorney (JD/LLM), or Enrolled Agent
5+ years of experience in public accounting, law, or complex tax advisory roles
Deep technical knowledge in one or more areas: individual, business, partnership, SALT, international, or procedural tax
Hands-on experience using multiple tax compliance and/or research platforms (e.g., ProSystem fx, UltraTax, Lacerte, Drake, CCH Axcess, GoSystem, etc.)
Strong, well-formed opinions on how tax software and firm workflows can be improved
Able to explain complex tax concepts clearly and precisely
Comfortable giving direct feedback and collaborating across disciplines
Motivated by impact and scale rather than billable hours

Nice To Haves

Experience writing technical tax content or internal firm guidance
Exposure to tax research platforms or tax technology tools
Interest in AI, data, or knowledge systems — no engineering background required
Curious about technology and excited by the idea of shaping AI-powered tools

Responsibilities

Partner closely with Product Managers to deeply understand practitioner workflows, pain points, and decision-making processes
Bring strong, informed viewpoints on how tax software should work based on real-world firm experience
Translate practitioner needs and frustrations into clear product requirements and priorities
Ensure Marble's product reflects how tax professionals actually reason, research, and advise
Work hand-in-hand with Engineers to improve response quality, accuracy, and tax reasoning
Review AI outputs for technical correctness, nuance, and practitioner usability
Design and maintain evaluation frameworks to test tax accuracy, completeness, and reliability
Define standards that ensure practitioners can trust Marble for critical, high-stakes work
Identify gaps, edge cases, and risk areas in tax intelligence and help close them
Monitor and analyze new tax law, regulations, guidance, and court cases
Write clear, in-depth analyses and practical guidance for practitioners
Ensure this analysis is integrated directly into Marble's product experience
Leverage hands-on experience with multiple tax compliance and workflow tools to influence better system design
Help Marble rethink how firms operate, reducing friction, increasing confidence, and improving efficiency
Influence long-term product and intelligence strategy from a tax perspective