Tax Solutions Architect, FinTech

About us: At Booking.com, 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 make. The journeys you take. The sights you see. And the food you sample. Through our products, partners and people, we can empower everyone to experience the world.

Our FinTech business unit - with teams in Amsterdam, Bangalore, London and Shanghai - develops new products and drives innovation to help us continue removing financial friction from the travel process. That makes buying and selling travel-related products and services simpler for both travelers and partners.

Role Overview


You as a Financial Systems (FS) Tax Solution Architect are responsible for the financial core systems supporting the different Booking Brands. This requires balancing the solidity expected of a finance backend with the flexibility to create innovative products for bookers and partners. You bring expert knowledge, experience and strong communication skills. You work closely with the different development teams to make this a reality and are part of the architecture team designing the future of FS.

The Architect will coach engineering teams on best practices, will lead and facilitate architectural reviews, and will be responsible for ensuring the technical solutions and approaches are resilient, scalable and adaptable and that governance, compliance, and resilience are built into solutions.

The Tax Solution Architect is responsible for designing and implementing end-to-end Tax technology solutions that align with business goals, regulatory requirements, and enterprise IT standards. This role bridges the gap between tax domain experts from Finance, technology teams (product and engineering), and other Finance domain architects to deliver scalable, compliant, and efficient Tax solutions.

Key Job Responsibilities and Duties

Strategize

• Develop Tax solution architecture strategy in alignment with the Business goals
• Manages a multi-layer/multi-technological Tax architecture governance: develops, communicates and ensures adherence to architecture processes, principles, policies and standards for the enterprise
• Accountable for the implementation of Tax architecture roadmap for designated product tracks, in or outside the Financial platform (SAP) but always connected to it
• Design and document scalable, secure, and high-performing architecture for direct and indirect tax solutions (e.g., VAT, GST, Corporate Tax).
• Lead the end-to-end architecture of tax engine integrations (e.g., Vertex, OneSource, Avalara) with ERP systems (SAP)
• Ensure architectural alignment with the ERP ecosystem, data models, and governance standards, translating complex tax rules and compliance requirements into architectural views

• Collect research on the competition in terms of best practices, business processes and procedures
• Identify emerging technologies that can enable the overall business architecture
• Contribute to the development of proof of concepts or prototypes
• Stay up to date with evolving tax regulations and ensure solutions support compliance

• Define development guidelines and standards to be utilized in Tax capabilities development and integration for Finance-Tax, in collaboration with other Finance domains
• Analyze the current IT ecosystem Tax architecture to identify weaknesses and develop opportunities for improvements
• Define transition steps and strategy from the current to the future architecture
• Analyze high-level feasibility of business requirements concerning Tax solutions
• Define the conceptual and detailed architecture for the development of Tax domain and oversee the evolution of that architecture as the platform is deployed across the entire organization
• Develop and maintain IT ecosystem Tax architecture models, processes and documentation

• Identifies system requirements for ERP and non-ERP Tax components
• Reviews requirements across multiple Tax applications and develops models that span applications and domains
• Contribute to the identification of opportunities (processes, people) to improve project delivery and/or development methodologies.

• 3+ years specifically in tax-related technology projects (direct or indirect tax)
• 5+ years of relevant working experience designing and architecting Finance Tax solutions
• Hands-on with tax automation platforms like Avalara, OneSource, Vertex, or custom-built solutions
• Strong understanding of API design (REST/SOAP), data integration (ETL/ELT), and system interoperability
• Experience with middleware platforms (MuleSoft, Apache Kafka) is a plus
• Familiarity with data privacy regulations (e.g., GDPR, CCPA) and controls (e.g., SOX)
• S/4HANA Tax implementation and understanding of integration points across the ERP is a plus
• Strong communicator: able to build a strong network within the organization, trusted adviser for stakeholders
• Experience with high volume transactional flow > 1B/day
• Hands on experience with modern Cloud native architecture like serverless,scale up and out, EKS, CBA is a plus

• Annual paid time off and generous paid leave scheme including: parent, grandparent, bereavement, and care leave
• Hybrid working including flexible working arrangements, and up to 20 days per year working from abroad (home country)
• Industry leading product discounts - up to 1400 per year - for yourself, including automatic Genius Level 3 status and Booking.com wallet credit
• Contributing to a high scale, complex, world renowned product and seeing real-time impact of your work on millions of travelers worldwide;
• Working in a fast-paced and performance driven culture;
• Opportunity to utilize technical expertise, leadership capabilities and entrepreneurial spirit
• Promote and drive impactful and innovative engineering solutions
• Technical, behavioral and interpersonal competence advancement via on-the-job opportunities, experimental projects, hackathons, conferences and active community participation
• Need more flexibility in your work week? We are happy to consider part-time, and reduced working week opportunities* (min. 32 hours per week, subject to terms and conditions)

• Let's go places together: How we Hire
• Detailed instructions on post-application requirements including any required application materials, deadlines, portfolios, coding challenges, or other assessments as defined by BU or department.
• This role does not come with relocation assistance