Tax Specialist - Subject Matter Expert (US Taxes)

About Us

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.

About the Role

We're hiring a Tax Specialist - Subject Matter Expert (US Taxes) 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.

What You'll Do

• 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

What We're Looking For

• 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

Bonus Points

• 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

Why Join Us?

• Shape the tax intelligence layer of a platform used by hundreds of practitioners today