
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
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Lead monthly and year-end close processes, including journal entries, reconciliations, and reporting.
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Manage accounts payable, reimbursements, and credit card expense reviews for accuracy and compliance.
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Oversee relationships with outsourced accounting providers.
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Prepare monthly financial statements and provide insights to support leadership decisions.
Revenue & Tax Compliance
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Ensure accurate accounting for revenue from global donation and subscription platforms (Stripe, PayPal, Paddle, Google Play).
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Monitor and support compliance with global indirect tax requirements (U.S. sales tax, VAT, GST).
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Coordinate tax registrations, filings, and remittances across jurisdictions in collaboration with external advisors.
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Stay current on regulations impacting digital services and international operations.
Process Improvement & Scaling
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Strengthen internal financial controls, policies, and procedures.
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Support financial system integrations and enhancements.
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Collaborate on budgeting, forecasting, and reporting improvements.
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Assist with audit readiness, tax filings, and compliance initiatives.
Qualifications
Required
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8+ years of progressive accounting experience, preferably in consumer-facing, international companies (SaaS, mobile apps, or digital platforms).
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Strong knowledge of U.S. GAAP and compliance requirements.
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Experience with revenue accounting and indirect tax compliance for digital services.
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Skilled in managing relationships with external accountants and tax advisors.
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Proficiency with cloud-based accounting software (preferably Sage Intacct).
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Ability to work effectively in a remote, globally distributed team across time zones.
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Strong organizational, communication, and problem-solving skills.
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Self-starter with adaptability to a high-growth, entrepreneurial environment.
Preferred
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CPA, CA, or equivalent certification.
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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:
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Remote & Flexible Work: Fully remote, laptop + accessories, annual remote work stipend, internet stipend.
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Professional Growth: Professional development stipend, industry conferences, career support.
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Time Off: 24 PTO days, birthday leave, year-end shutdown, wellbeing days, public holidays, parental leave.
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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.