Data Engineer II - Marketplace (Data sourcery)

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. Role Description: This role is based in Amsterdam. The scope of the Marketplace team touches all the products that relate to Trip Management, from the platform to the end-user and everything in between. This is the largest and fastest growing department at Booking.com. You will have a chance to help one of the largest travel websites in the world! In the Customer Data area, our mission is to create a competitive advantage by building a clear understanding of our travelers and partners through data. Specifically, the vacancy is for a position within the Data Sourcery team, which is responsible for some data platform tooling/interaction plus a variety of data pipelines touching the Partner and Reservations domains, critical for thousands of data consumers in the decision making process. Some upcoming projects include modernizing our reservation landscape pipelines to rely on new unified data sources being developed in the organization to support our Connected Trip vision every step of the way. As a Data Engineer, you will be ensuring we have high-quality data to power our business in all departments. Decisions for every part of our business are driven by petabytes of our data via MySQL, Iceberg, Snowflake, Cassandra, etc. Key Job Responsibilities and Duties: As a Data Engineer, you will be in charge of the development, performance, quality, and scaling of our data pipelines, focusing especially on data quality. You will work independently and will also be responsible for making technical decisions within a team. Rapidly developing next-generation scalable, flexible, and high-performance data pipelines. Solving issues with data and data pipelines, prioritizing based on customer impact. End-to-end ownership of data quality in our core datasets and data pipelines. Experimenting with new tools and technologies, driving innovative engineering solutions to meet business requirements regarding performance, scaling, and data quality. Providing tools that improve data quality company-wide. Providing self-organizing tools that help the analytics community discover data, assess quality, explore usage, and find peers with relevant expertise. Serving as the main point of contact for technical and business stakeholders regarding data engineering issues, such as pipeline failures and data quality concerns. Acquiring technical, behavioral and interpersonal competence advancement via on-the-job opportunities, experimental projects, hackathons, conferences, and active community participation Qualifications & Skills: You have more than +3 years of professional experience as a Software Developer/Data Engineer and hold a degree in a quantitative field Proven knowledge of Python is required, Java/Scala will be a plus You have built production data pipelines in the cloud, setting up data-lake and server-less solutions; ‌you have hands-on experience with schema design and data modeling. You have experience designing systems E2E and knowledge of basic concepts (lb, db, caching, NoSQL, etc) You have knowledge of Spark, CDC, Kafka, Cassandra, Airflow, Snowflake, DBT or equivalent tools Experience with Data Warehousing and ETL/ELT pipelines Excellent communication skills - verbal and written Familiarity with the Hadoop Ecosystem is an asset 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: parental (22-weeks paid leave), grandparent, bereavement, and care leave Hybrid working including flexible working arrangements, working from home furniture and ergonomic support, and up to 20 days per year working from abroad (home country) A beautiful sustainable HQ Campus in Amsterdam, that offers on-site meals, coffee, and snacks, multi-faith and breastfeeding rooms at the office* Commuting allowance and bike reimbursement scheme Discounts & Wallet credits to spend on our products, upgrade to Booking.com Genius Level 3, and friends & family Booking.com discount vouchers Free access to online learning platforms, development and mentorship programs Global Employee Assistance Program, free Headspace membership Diversity, Equity and Inclusion (DEI) at Booking.com: Diversity, Equity & Inclusion have 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 The interview process entails: an online coding challenge, a coding interview, a system design interview, and a final behavioral interview This role does not come with relocation assistance. 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.