Senior Tax Manager

About Us:

At , data drives our decisions. Technology is at our core. And innovation is everywhere. But our company is more than datasets, lines of code or A/B tests. We’re the thrill of the first night in a new place. The excitement of the next morning. The friends you encounter. The journeys you take. The sights you see. And the memories you make.

Through our products, partners and people, we make it easier for everyone to experience the world.

The Tax Technology Senior Manager will join the Data & Technology Strategy (DTS) and play a key role in shaping and executing our crucial tax technology goals.

Reporting to the Tax Director within DTS and sitting within the tax team at Booking, this position is accountable for driving the platform modernization efforts and capability developments essential to our ambitious tax technology roadmap.

This role will predominantly work in partnership with Fintech, Project Management and Tax to drive the design and delivery of a scalable, governed, and reusable tax technology platform ahead of important upcoming tax regulations impacting Booking. Given the fast-paced nature of this position, leadership of additional tax technology projects will likely be required.

The role is required to keep a constant focus on upcoming global tax regulatory changes impacting the industry, tax technology changes and newly available improved technology, to proactively guide the business through its strategic decision making.

• Tax Technology specific

  • Ensure clear tax technology requirements are documented and understood by our engineering and architecture teams with the key goal to ensure a compliance first tax technology eco system is designed and implemented on time.
  • Work with cross functional teams to translate tax objectives (e.g., ViDA, DAC7, CESOP, e-invoicing) into an actionable capability roadmap with L2–L4 definitions, maturity heatmaps, and drive the delivery of a gap analysis between current and future state design. deprecation plans for legacy solutions.
  • Play a central role in partnering with a tax technology track that supports capability build and jurisdiction go-lives in parallel, prioritizing reuse and standardization to shrink time between go-lives.
  • Drive build/buy/hybrid recommendations for tax engines (e.g., Avalara, Vertex), ERP integration (SAP S/4, ECC, Oracle), invoicing connectivity, and reporting tools based on understanding of existing landscape and experience from previous implementations.

• Requirements specific

  • Shape discovery and design for new tax legislation (e.g., ViDA, e-invoicing), ensuring right-first-time builds and smooth transitions to BaU with KPIs and controls.
  • Ensure AI-compatibility and self-service enablement are considered in technology/tooling choices, with pragmatic trade-offs documented.
  • Work closely with our Senior Manager Tax Data Reporting to establish tax master data governance that is platform-ready.

• Process specific

  • Ensure compliance processes are designed, documented and operating effectively post go live before handing over to operational teams.
  • Support the Project Management team in driving cross-functional governance with a clear RACI across Tax, Fin Tech, Accounting, and Compliance; align delivery cadence and quality gates.
  • Lead external engagements as needed (RFP discovery, roadmap alignment, compliance partners, commercials), ensuring high-quality, actionable deliverables and strong working relationships with our external tax technology partners.

• Training and upskilling the team

  • Mentor, coach, and upskill tax technologists, analysts, and PMs; foster a pragmatic, delivery-first culture grounded in risk-based prioritization and measurable outcomes.
  • Partner with PM team to champion best practices in agile program delivery, documentation, and knowledge transfer to internal teams.
  • You will initially manage a team of two direct reports. This structure is subject to rapid evolution as the company and project requirements change.

• Experience:
  
  8+ years relevant experience in tax technology within Big 4 and/or complex international environments, including in-house leadership in e-commerce, platforms, or…