Senior Manager, M&A and Tax Planning
Block, Inc. is a technology company building tools for economic empowerment, operating a portfolio of financial brands including Square, Cash App, Afterpay, TIDAL, Bitkey, and Proto. It serves sellers, consumers, artists, and bitcoin users through payments, banking, buy-now-pay-later, music streaming, and bitcoin self-custody and mining products.
Maintainer signals as of 8/20/2026
About Block, Inc.
Block, Inc. builds technology aimed at increasing access to the global economy. Its brands each unlock different aspects of the economy: Square makes commerce and financial services accessible to sellers; Cash App is an easy way to spend, send, and store money; Afterpay (Clearpay in the UK) helps customers manage spending over time; TIDAL is a music platform empowering artists as entrepreneurs; Bitkey is a self-custody bitcoin wallet; and Proto builds open, accessible bitcoin mining hardware and services. Block has been a long-time advocate for bitcoin, integrating bitcoin buying/selling and Lightning Network payments into Cash App and Square, funding open-source bitcoin infrastructure through Spiral (including the Lightning Development Kit), and engaging in bitcoin policy advocacy through groups like COPA, the Digital Energy Council, the Crypto Council for Innovation, and the Texas Blockchain Council. The company also runs a significant open source program (contributing to projects like Goose, an on-machine AI developer agent, OkHttp, Retrofit, gRPC, Envoy, and MySQL) and an AI research effort, including co-founding the Agentic AI Foundation with Anthropic and OpenAI. Block serves individual consumers, small and medium-sized businesses/merchants, artists, and developers.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
In this role you will lead global M&A investments and post-closing integration and compliance activities. You will partner with internal teams, tax colleagues, and external advisors on the tax aspects of acquisitions, dispositions, investments, structuring, and integration, ensuring tax planning and technical matters are accurately reflected in tax filings. You will perform tax modeling and quantitative analyses (e.g., Sections 382/383, stock basis, and transaction-related calculations). You will research complex tax issues, advise cross-functional stakeholders (HR, Treasury, Legal, Corporate Development, Accounting), and prepare technical tax memoranda supporting filing positions and planning strategies. You will manage income tax audits from planning and IDR responses through resolution. You will support special tax projects, including new product reviews, Treasury and Capital Markets initiatives, and state income tax planning.
Requirements
- 5+ years of relevant experience in M&A tax, including complex federal income tax planning and tax research experience at a Big Four accounting firm, law firm, or a large multinational corporate environment.
- Knowledge of US federal income tax (e.g., subchapter C and consolidated return regulations).
- Excellent tax research skills.
- Experience working in a dynamic and collaborative environment.
- Project management skills and an enjoyment for working on multiple projects with ownership of your function.
- Hands-on willingness to accept challenging projects outside areas of experience or comfort.
Responsibilities
- Lead global M&A investments and post-closing integration and compliance activities.
- Partner with internal teams, tax colleagues, and external advisors on the tax aspects of acquisitions, dispositions, investments, structuring, and integration, ensuring tax planning and technical matters are reflected in tax filings.
- Perform tax modeling and quantitative analyses (e.g., Sections 382/383, stock basis, and transaction-related calculations).
- Research complex tax issues, advise cross-functional stakeholders (HR, Treasury, Legal, Corporate Development, Accounting), and prepare technical tax memoranda supporting filing positions and planning strategies.
- Manage income tax audits from planning and IDR responses through resolution.
- Support special tax projects, including new product reviews, Treasury and Capital Markets initiatives, and state income tax planning.
Benefits
- Remote work
- Medical insurance
- Flexible time off
- Retirement savings plans
- Modern family planning