International Tax and Accounting Supervisor

One permanent position based in New York, Florida, or elsewhere on the East Coast, starting in January 2027 (flexible start date). Visa sponsorship is available. About Us Lisan Finance is a leading financial advisory firm for PE/VC‑backed technology start‑ups. For over 20 years, we have supported founders and investors with tailor‑made solutions in a one‑stop‑shop model, including External CFO Services, Transaction Services, M&A Advisory, Accounting, Tax, Compliance, HR Advisory, and International Expansion between France and the US. Recognized for our technical expertise and transatlantic DNA, we support ambitious founders from their first funding round through to exit. Our team is based in the US (New York, California, Florida) and France (Paris). We are trusted advisors to clients such as Reflection AI ($2 billion raised in 2025), Fintool (acquired by Microsoft in 2026), Fragment (acquired by Sierra in 2026), Ledger, Lemrock, Alice & Bob, Kaiko, Zenchef, etc. The team is a human-sized group of professionals driven by a constant search for excellence and client impact. The firm has strong development potential and ambitious growth plans for the coming months and years. Job Description You will join our US team, at the heart of Lisan Finance’s transatlantic Global CFO activity, with a focus on International Tax and Accounting. You will be the Head of our US Accounting & Tax Practice and report to the US General Manager. You will manage a team of 3–4 junior and senior Tax Accountants and coordinate with the Financial Controlling Practice as well as Lisan Finance’s French Accounting & Tax Practices. This is also a hands‑on role, and you will manage your own portfolio of US clients. Key Responsibilities 1. US Tax Advisory, Compliance & Client Management Client Relationship Management Manage a portfolio of senior client relationships, serving as the main point of contact for tax matters throughout the fiscal year Provide guidance on complex tax issues to C‑suite executives, founders, and general counsel Lead or support client presentations, tax planning meetings and annual reviews Tax Advisory and Planning Support Lead or support U.S. and international tax planning strategies for high-net-worth individuals and business structures Prepare and review complex U.S. international tax returns and reporting for individuals, corporations, partnerships, and foreign‑owned entities Research and resolve sophisticated cross‑border tax issues involving U.S. and French clients Support U.S. and foreign clients on equity compensation plans (ISOs, NSOs, RSUs), in coordination with legal counsel and other external advisors Support the preparation of advisory deliverables related to personal and corporate structuring, and tax‑efficient planning Coordinate with legal counsel and external advisors when needed Compliance Oversight Review federal and state income tax returns, and international filings, in accordance with firm review procedures. Monitor relevant IRS guidance and regulatory developments and communicate practical implications to clients. Support the growth and operational development of the US Accounting & Tax Practice Supervise, mentor and support a team of 3-4 junior and senior Tax Accountants Review tax returns, supporting workpapers, and client deliverables prepared by the team, ensuring accuracy, consistency, and timely completion Coordinate with the U.S. Financial Controlling Practice and the France‑based team on client matters and cross‑border engagements Improve tax workflows, review procedures and operating efficiency to support a scalable practice Contribute to knowledge management, technical memos, and client‑facing educational content Candidate Profile U.S. work authorization is preferred, but visa sponsorship is available for the right candidate. At least a bachelor’s degree in Accounting, Finance, or a related field; or a law degree with a specialization in tax law (e.g., French tax attorney (“avocat fiscaliste”), master’s degree in international taxation, LL.M. in Taxation, J.D. with a tax focus, or equivalent); CPA or CPA-track is a strong plus 5+ years of accounting experience with a strong focus on US and cross‑border tax (e.g., at a Big 4 firm, a boutique international tax practice, or a law firm) Experience preparing and reviewing international tax compliance engagements Solid knowledge of U.S. international tax concepts and reporting requirements Experience working with international individuals, expatriates, foreign‑owned businesses, or multinational organizations Knowledge of major tax and accounting software and proficiency in Microsoft Excel Tech‑savvy, comfortable with a wide range of tools, and a daily user of AI Proactive, with the ability to actively contribute to business development Strong leadership, management and coaching/mentoring skillsGenuine interest in the French and U.S. tech startup ecosystems Excellent written and verbal communication skills in French and English Competitive compensation (incl. performance-based bonus opportunity) Healthcare benefits (incl. medical, dental, and vision insurance) Access to a 401(k) plan with company matching Generous PTO policy Hybrid work environment, with offices ideally located in New York’s Financial District and Paris (8e) Participation in company workshops and events: one annual global offsite with the French and U.S. teams; at least two U.S. workshops per year in California, Florida, or New York; and additional events in New York Strong exposure to international topics, leveraging Lisan Finance’s transatlantic DNA The opportunity to actively contribute to the growth of one of the company’s key practice areas within a fast-growing organization Recruitment Process Apply by email to View email address on click.appcast.io with your resume and cover letter First interview to discuss your experience and motivation – video call Second interview (technical) – video call or at our NYC or Paris office Closing interview – video call or at our NYC or Paris office Lisan Finance is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic protected by law. #J-18808-Ljbffr Lisan Finance, Inc