Senior Accountant

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Website Mozilla

Senior Accountant

Organization: MZLA Technologies Corporation (Thunderbird)
Location: Remote – United States (Eastern/Central time zones preferred)
Type: Full-time

About Thunderbird

MZLA Technologies Corporation (MZLA), a wholly-owned subsidiary of the Mozilla Foundation, is the home of Thunderbird—a global, free, and open-source email and productivity app with more than 20 years of history. Funded by a passionate user base that contributed $10M in 2024, Thunderbird is expanding its product offerings while remaining independent of big tech. With a team of 50+ staff across seven countries, MZLA maintains a culture rooted in openness, collaboration, and resilience, delivering impactful solutions for a worldwide community.

The Opportunity

As Thunderbird prepares to launch a global subscription service, we are significantly expanding our financial operations, especially around revenue tracking, indirect tax compliance, and multi-jurisdictional reporting. We are seeking a Senior Accountant to lead core accounting processes, enhance financial systems, and support scaling into a global environment.

This high-impact role requires both hands-on accounting skills and the ability to build scalable structures. Reporting to the Managing Director of Operations, you will collaborate closely with our Finance & Accounting Specialist and play a key role in shaping the organization’s finance function.

Key Responsibilities

General Accounting & Financial Operations

  • Lead monthly and year-end close processes, including journal entries, reconciliations, and reporting.

  • Manage accounts payable, reimbursements, and credit card expense reviews for accuracy and compliance.

  • Oversee relationships with outsourced accounting providers.

  • Prepare monthly financial statements and provide insights to support leadership decisions.

Revenue & Tax Compliance

  • Ensure accurate accounting for revenue from global donation and subscription platforms (Stripe, PayPal, Paddle, Google Play).

  • Monitor and support compliance with global indirect tax requirements (U.S. sales tax, VAT, GST).

  • Coordinate tax registrations, filings, and remittances across jurisdictions in collaboration with external advisors.

  • Stay current on regulations impacting digital services and international operations.

Process Improvement & Scaling

  • Strengthen internal financial controls, policies, and procedures.

  • Support financial system integrations and enhancements.

  • Collaborate on budgeting, forecasting, and reporting improvements.

  • Assist with audit readiness, tax filings, and compliance initiatives.

Qualifications

Required

  • 8+ years of progressive accounting experience, preferably in consumer-facing, international companies (SaaS, mobile apps, or digital platforms).

  • Strong knowledge of U.S. GAAP and compliance requirements.

  • Experience with revenue accounting and indirect tax compliance for digital services.

  • Skilled in managing relationships with external accountants and tax advisors.

  • Proficiency with cloud-based accounting software (preferably Sage Intacct).

  • Ability to work effectively in a remote, globally distributed team across time zones.

  • Strong organizational, communication, and problem-solving skills.

  • Self-starter with adaptability to a high-growth, entrepreneurial environment.

Preferred

  • CPA, CA, or equivalent certification.

  • Experience with international subscription revenue models.

Compensation & Benefits

Salary Range (U.S.): $90,000 – $110,000 USD

MZLA benchmarks salaries at the 60th percentile of the peer market. In addition to competitive pay, employees receive:

  • Remote & Flexible Work: Fully remote, laptop + accessories, annual remote work stipend, internet stipend.

  • Professional Growth: Professional development stipend, industry conferences, career support.

  • Time Off: 24 PTO days, birthday leave, year-end shutdown, wellbeing days, public holidays, parental leave.

  • Health & Family: Medical, dental, vision insurance; 401(k)/RRSP contributions; disability and life insurance; Employee Assistance Program.

Diversity, Equity & Inclusion

MZLA is committed to diversity, equity, and inclusion as a core strength. We welcome applicants from all equity-seeking communities and provide reasonable accommodations for applicants with disabilities.

To apply for this job please visit job-boards.greenhouse.io.

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