• Perform monthly and quarterly review of all non-U.S. indirect tax adjustments, including IOSS and OSS compliance filings. • Lead monthly review of Intrastat filings across applicable EU member states. • Review proposed monthly indirect tax journal entries and manage ERP approval of corresponding postings. • Analyze month-over-month balance sheet flux for each indirect tax account and provide a high-level comprehensive explanation of the identified variances. • Prepare monthly indirect tax movement KPI reports for VP review and presentation to Finance leaders during the month’s CFO review meeting. • Manage monthly and quarterly preparation of indirect tax reserves in accordance with applicable accounting standards. • Assist with the annual financial statement process, including reconciliations, journal entries, and support schedules. • Manage and support indirect tax audits, notices, IDRs, and controversy matters, including gathering documentation, performing reconciliations and analysis, coordinating responses, and maintaining audit trackers. • Maintain recordkeeping for indirect tax filings, indirect tax notices and audit documentation. • Monitor indirect tax legislation changes relevant to StockX, research the impact, and help drive implementation of necessary changes. • Evaluate the indirect tax implications of new international business initiatives, lead or support cross-functional implementation of process enhancements in partnership with Finance, Legal, Product, and Operations departments, and develop scalable, audit-ready compliance frameworks. • Assist with registrations, annual compliance requirements, special projects, and ad hoc requests from business partners and external advisors. • Coach, mentor, and develop tax professionals at all levels by providing regular feedback, supporting career growth, building succession plans, and fostering a culture of accountability, collaboration, and continuous learning.

• Manage and ensure compliance with Brazilian tax laws and regulations. • Provide expert advice and support on tax-related matters. • Safeguard financial integrity and ensure tax strategy aligns with business objectives. • Optimize tax position and support key business decisions through precise guidance. • Contribute to high-impact projects and continuous improvement initiatives in a collaborative team.

• Investigate operational performance: Conduct deep-dive analyses to uncover why metrics change, distinguish signal from noise, and identify root causes across filing operations, user operations, and risk workflows • Partner with operations teams: Work directly with operational teams to analyze workflows, understand user behavior, and translate findings into actionable recommendations • Improve measurement rigor: Refine metric definitions, ensure data reliability, and strengthen how we measure operational performance across the organization • Support experiments and improvements: Apply statistical analysis to evaluate the impact of operational changes and experiments • Enable operational observability: Create systems, dashboards, and self-serve reporting tools that allow operational teams to explore and interpret performance data on their own and reduce recurring data requests • Communicate insights to leadership: Prepare clear, compelling operational insights for leadership reviews and strategic planning discussions

• Partners with senior leaders to translate function strategy into people and culture priorities. • Leads people and culture processes and initiatives. • Provides ongoing partnership and practical solutions to improve performance and engagement. • Uses metrics and analytics to assess and manage overall organizational health. • Participates as an active member of the human resources community.