Senior Tax Manager

Founded in 2022, Speed

X offers a superior last-mile delivery experience designed to better connect brands to customers. At Speed

X, we’re more than just a delivery company – we’re partners in success. We believe that ecommerce delivery shouldn’t be a hassle, a financial strain, or a source of stress for businesses. We created a next-level delivery experience that’s designed to meet business's needs, exceed their expectations, and future‑proof their ecommerce business.

In just three years of business, we have grown our client list to over a dozen online marketplaces, 3PLs and direct retailers and are now delivering over 300,000 packages daily worldwide – with the number constantly growing. And we have no plans of slowing down.

Speed

X is seeking a high‑caliber, bilingual Senior Tax Manager to join our team in either Los Angeles, California or New Hyde Park, New York. This is a full‑time, on‑site role for a strategic and technically strong leader with deep expertise in U.S. federal and state tax law, working knowledge of Chinese tax regulations, and a proactive, business‑partner mindset.

This individual will operate with significant autonomy, lead complex tax engagements end‑to‑end, and serve as a trusted advisor to Finance, Legal, and Operations leadership. The role is ideal for a CPA who can seamlessly navigate U.S. GAAP‑based financial reporting alongside cross‑border tax considerations involving the People’s Republic of China.

• Lead the review of complex federal and multi‑state tax returns for C corporations, S corporations, partnerships, and high‑net‑worth individuals
• Drive year‑round tax planning, entity structuring, and transaction advisory initiatives
• Assess GAAP implications of tax positions, including ASC 740, uncertain tax positions, deferred taxes, and book‑to‑tax differences
• Evaluate and advise on tax impacts of strategic business initiatives and operational changes
• Provide guidance on inbound and outbound cross‑border tax matters

• Conduct advanced tax research and deliver clear, authoritative written guidance on complex regulatory matters
• Apply working knowledge of Chinese tax law—including PRC Corporate Income Tax (CIT), Individual Income Tax (IIT), Value‑Added Tax (VAT), withholding requirements, and the U.S.–China tax treaty
• Advise on cross‑border structuring, transfer pricing considerations, and repatriation strategies
• Partner with PRC‑based tax advisors and legal counsel to align U.S. and international reporting positions

• Supervise, mentor, and develop mid‑level tax professionals
• Maintain final accountability for the accuracy and quality of tax filings, work papers, and client deliverables
• Foster a high‑performance, detail‑oriented team environment

• Active CPA license (required)
• Bachelor’s or Master’s degree in Accounting, Taxation, or related field
• 5+ years of progressive tax experience in public accounting
• Strong experience with corporate, partnership, and high‑net‑worth individual taxation
• Fluency in Mandarin Chinese and English (written and verbal) required
• Working knowledge of Chinese tax law (CIT, IIT, VAT, withholding regimes, U.S.–China tax treaty)
• Strong command of U.S. GAAP as it relates to income tax accounting (ASC 740, deferred taxes, valuation allowances, uncertain tax positions)
• Proven leadership, critical thinking, and ability to manage multiple complex engagements simultaneously