Tax Manager- Full Time (100% Remote)

Location: Remote ABOUT OPSTART OpStart is a modern, AI-native accounting firm powering the finance and accounting operations of startup companies nationwide. We are built differently from traditional firms — we harness the latest AI tools and automation alongside deep human expertise to deliver a complete range of financial services (bookkeeping, taxes, FP&A, etc.) that keep early-stage companies informed and compliant as they scale. Our mission is to help entrepreneurs reach their goals; we do this by maximizing their visibility into financial performance while minimizing the time they spend on finance and accounting work. We delight in helping ambitious founders solve massive problems and continuously innovate to deliver more value to our clients. OpStart is an equal opportunity employer committed to a diverse and inclusive work environment. Our team is fully remote, and we have no specific requirements around location for this position. We are proud to have a strong company culture, fostering collaboration, creativity, and continuous learning.

ABOUT THE ROLE: OpStart is looking for a Tax Manager to lead our tax service delivery. This position will play a critical leadership role in our client service teams, with primary responsibilities for managing tax compliance engagements, overseeing tax staff, and ensuring complete and accurate tax filings. Unlike traditional firms where partnership can feel like a distant decade away, at OpStart you won’t wait forever — we offer a clear path to equity participation, including stock options from day one. Specific responsibilities include: Manage and execute on OpStart’s tax service engagements, including contributing to ad hoc tax projects Prepare and review federal, state, and local income tax returns for C-Corps, S-Corps, and Partnerships Prepare and review multi-state apportionment calculations Assist with the analysis, preparation and filing of R&D Tax Credits. Execute key tax compliance processes, including the preparation of 1099s and Delaware Franchise Taxes Provide support and guidance on all income tax related matters, including tax notices, planning, and projections. Identify and resolve complex tax issues related to start-ups Work with OpStart’s accounting and other cross-functional teams to ensure client compliance Communicate clearly and frequently on status of returns and filings, both internally and externally Suggest and implement both tax-savings opportunities and tax strategies by working closely with multiple client stakeholders Assist with federal and state tax audits Conduct tax research and prepare memos to support tax positions

QUALIFICATIONS: Bachelor’s degree in Accounting or related field required 7+ years public accounting firm experience with a focus on taxation, including experience managing or mentoring junior staff CPA or EA license required Demonstrative knowledge and proficiency with tax compliance software Experience with filing federal and state income taxes for C corporations, S corporations, and partnerships Experience with multi-state apportionment Strong analytical skills and high attention to detail Excellent written and verbal communication skills Ability to manage multiple priorities and meet deadlines Desire to help others and provide extraordinary customer service Organized, efficient and tech-savvy Ability to develop and manage processes with limited oversight Excited to work in a fast-paced environment with a team of entrepreneurs

DISCLAIMER: This job description is not designed to cover or contain a comprehensive listing of the activities, duties, and responsibilities for this position. Duties, obligations, and activities may evolve or change at any time with or without formal notice.