Senior Tax Manager in Carson, California at Speed Xpress Inc.

About Speed Xpress Inc.

Founded in 2022, SpeedX offers a superior last-mile delivery experience designed to better connect brands to customers. At SpeedX, 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.

About the role:

SpeedX 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.

Key Responsibilities

Tax Advisory & Technical Review

• 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

Technical Leadership

• 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

Team Leadership & Quality Oversight

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

Qualifications

• 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