Senior Data Engineer

About the role

KAYAK, part of Booking Holdings (NASDAQ: BKNG), is seeking a Senior Data Engineer to join our Business Intelligence team. This role will be based in Concord, MA 3 days per week.

Responsibilities

• Architect for scale: Develop and monitor robust data pipelines using Python, SQL, and Rundeck/Airflow that handle large-scale data volumes with high reliability.
• Optimize performance: Design performant data models and optimize complex SQL queries for high-scale environments.
• Ensure data reliability: Build automated checks and alerts to catch errors early so financial and operational reports remain accurate.
• Increase data access: Automate repetitive tasks and build self-service tools to make data easier to use across teams.
• Drive engineering excellence: Experiment with and leverage AI-assisted coding tools to accelerate development cycles and enhance code quality.
• Work with partners across the company: Translate business questions into practical, maintainable technical solutions.

Requirements

• 5+ years of proven experience in data engineering or analytics engineering within a related data-centric environment.
• Experience owning end-to-end data pipelines (ingest → transform → test → monitor).
• Strong SQL skills and familiarity with distributed/columnar/OLAP systems (examples: Redshift, Trino, Vertica) and relational databases (e.g., MySQL, Postgres).
• Proficiency in Python and a software-engineering approach to building testable, maintainable code.
• Experience with workflow orchestration and containerization (examples: Airflow, Docker).
• Strong analytical and troubleshooting skills for investigating data issues.
• Strong written and spoken English to communicate effectively across teams.

Qualifications

• Nice-to-have experience: Stream processing or real-time systems (e.g., Kafka, Flink), Modern BI tooling (e.g., Looker, Superset), CI/CD and deployment automation (e.g., GitHub Actions), Web frameworks for internal tools (e.g., Django, Flask).

Skills

• Python
• SQL
• Rundeck/Airflow
• Redshift, Trino, Vertica
• MySQL, Postgres
• Airflow, Docker
• Kafka, Flink
• Looker, Superset
• GitHub Actions
• Django, Flask

Benefits & Perks

• Work from (almost) anywhere for up to 20 days per year
• Focus on mental health and well-being: Company-paid therapy sessions through SpringHealth, Company-paid subscription to HeadSpace, Company-wide week off a year - the whole team fully recharges (and returns without a pile-up of work!)
• No meeting Fridays
• Paid parental leave
• Paid vacation + time off for your birthday
• Paid volunteer time
• Focus on your career growth: Development Dollars, Leadership development, Access to thousands of on-demand e-learnings
• Travel Discounts
• Employee Resource Groups
• Competitive retirement and health plans
• Free lunch 2 days per week
• Fun quarterly events such as boat trips, arcades, ski trips, Thursday happy hours, and more

Pay

The range for this United States located role is $130,000 - 160,000.00, not inclusive of annual bonus or recurring RSU grants.