Senior Data Engineer, Financial Systems

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 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. Leadership/Team Quote As part of our Financial Systems team, you will be at the heart of Booking.com's FinTech evolution, building the critical data foundations that power our regulated payments and e-money services. This is a unique opportunity to solve complex data challenges at the intersection of engineering, finance, and regulation, driving real business impact on a global scale As a Senior Data Engineer I in the Financial Systems area, you will help accelerate the BHFS (Booking Holdings Financial Services) program by building and scaling the data foundations behind our regulated payments and e-money services. You will be a subject matter expert driving the technical strategy for critical data initiatives, ensuring resilience, compliance, and scalability. Working at the intersection of engineering, finance, and regulation, you will enable stronger operational visibility and more confident decision-making as BHFS expands globally. Key Job Responsibilities and Duties: Design, build, and scale reliable data pipelines, models, and integrations that improve the quality, traceability, and accessibility of financial data across critical systems Own the end-to-end delivery of complex data solutions, from defining the technical strategy and architecture to deployment and monitoring in production Ensure data solutions meet stringent regulatory, compliance, and risk management requirements by implementing robust data governance and security controls Drive continuous improvement in data quality by developing validation solutions, monitoring frameworks, and automated failure detection for financial datasets Mentor and coach less experienced team members, promoting engineering best practices, clean code (SOLID, DRY), and test-driven development Collaborate cross-functionally with product stakeholders, finance, and engineering teams to determine the right technical tradeoffs and deliver high-value data products Qualifications & Skills: Minimum of 5 years of experience as a Data Engineer or a similar role, with a consistent record of successfully delivering data solutions Experience in Enterprise Data Warehouse (EDW) design and modeling methodologies including building multi-layered data architectures (staging, core/integration, and semantic/consumption layers) You have hands-on experience with schema design and data modeling and working with business stakeholders and data engineers to provide production level data solutions Deep knowledge of complex SQL, stored procedures, and performance tuning for large-scale enterprise datasets Experience with SAP S/4HANA data extraction and an understanding of its underlying data structures from a modeling perspective Proven, hands-on experience with at least one of the following: SAP HANA XSA, SAP Datasphere, or Snowflake Working with ETL/ELT tools and methodologies Writing and maintaining high-quality and reusable code, applying design patterns and meeting coding standards Hands-on experience with version control (Git/GitHub/GitLab) and automated deployment pipelines (CI/CD) Building data exploration/visualization and designing data story telling Experience leveraging AI-assisted tools to accelerate data modeling, query optimization, and data analysis is a plus Excellent analytical and stakeholder management skills, with the ability to translate complex technical concepts to cross-functional teams in fluent English. Takes ownership of data initiatives, actively anticipates architectural bottlenecks, and drives continuous improvements without waiting for direction Familiarity with Agile frameworks (Scrum or Kanban) and collaborative delivery tools like Jira Familiarity with Data Product concepts, including managing data assets as products, defining data contracts, and designing user-centric, reusable data models is a plus Benefits & Perks - Global Impact, Personal Relevance: Booking.com’s Total Rewards Philosophy is not only about compensation but also about benefits. We offer a competitive compensation and benefits package, as well unique-to-Booking.com benefits which include: 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) Inclusion at Booking.com: Inclusion has been a core part of our company culture since day one. This ongoing journey starts with our very own employees, who represent over 140 nationalities and a wide range of ethnic and social backgrounds, genders and sexual orientations. Take it from our Chief People Officer, Paulo Pisano: “At Booking.com, the diversity of our people doesn’t just build an outstanding workplace, it also creates a better and more inclusive travel experience for everyone. Inclusion is at the heart of everything we do. It’s a place where you can make your mark and have a real impact in travel and tech.” We ensure that colleagues with disabilities are provided the adjustments and tools they need to participate in the job application and interview process, to perform crucial job functions, and to receive other benefits and privileges of employment. Application Process: Let’s go places together: How we Hire This role does not come with relocation assistance. Equal Opportunity Statement: Booking.com is proud to be an equal opportunity workplace and is an affirmative action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. We strive to move well beyond traditional equal opportunity and work to create an environment that allows everyone to thrive. Pre-Employment Screening If your application is successful, your personal data may be used for a pre-employment screening check by a third party as permitted by applicable law. Depending on the vacancy and applicable law, a pre-employment screening may include employment history, education and other information (such as media information) that may be necessary for determining your qualifications and suitability for the position.