Data Engineer II - Marketplace

*this role does not come with relocation assistance 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. 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 travellers and partners through data. One of the foundational tasks to deliver this is to build a source of truth in the company for Trips Data, both at a transactional and Customer level. Some main projects involve connecting data from different products, bringing the connected trip to life in our databases, metrics and insights, crafting a data warehouse, applying use cases of this data to the business such as cross-selling opportunities and many more to come. As a Data Engineer, you will be working with partners throughout the company to ensure we have high-quality data to power our business in all departments. Decisions for every part of our business -- from the front end experience to performance marketing to partner products -- are driven by petabytes of our data via MySQL, Hadoop, Cassandra, etc. Your challenge will be to make sure we can apply our petabyte-scale data even more effectively to support business decisions and improve our products. 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 to meet business requirements regarding performance, scaling, and data quality. Providing tools that improve Data Quality company-wide, self-organizing tools that help the analytics community discover data, assess quality, explore usage, and find peers with relevant expertise. Acting as an intermediary for problems, with both technical and non-technical audience supplying to a high scale, complex, world renowned product and seeing real-time impact of your work on millions of travellers worldwide Technical, behavioural and interpersonal competence advancement via on-the-job opportunities, experimental projects, hackathons, conferences, and active community participation Role Qualifications and Requirements You have more than +3 years of professional experience as a Software Developer/Data Engineer and hold a degree in a quantitative field 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) Proven knowledge of Python is required, Java/Scala will be a plus Knowledge of Hadoop, Hive, Sqoop, MySQL imports, Oozie, Spark, CDC, Kafka, Cassandra, Airflow. Experience with Data Warehousing and ETL/ELT pipelines You are driven by petabytes of our data via MySQL, Hadoop, Cassandra, etc Excellent communication skills - verbal and written Benefits & Perks: Global Impact, Personal Relevance 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 #ThinkInclusion: Diversity, Equity and Inclusion at Booking.com Diversity, Equity and Inclusion (DEI) 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 create a unique workplace, it also creates a better and more inclusive travel experience for everyone. We will ensure that individuals with disabilities are provided reasonable adjustments to participate in the interview process. Please contact us to request adjustments. Career Development Opportunities Bi-annual performance conversations, company-wide mentoring program, and internal development opportunities Unlimited access to online learning platforms: Udemy, Coursera, LinkedIn learning, O'reilly Application Process The interview process entails: an online Coding challenge, a coding interview, a system design interview, and a final behavioral interview 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.