We are looking for smart, enthusiastic software engineers to take our marketing capabilities to the next level. Our critical in-house performance marketing platform, developed in Berlin, is used by marketing managers and data scientists from KAYAK brands around the world to optimize and scale their marketing activities. 

This role is focused on developing and improving our optimization technology. This involves working on our web application backend, UIs and automation code as well as partnering with data science teams on back-end analytics components. If you're an experienced engineer who wants to work in a team of similarly talented, driven individuals, and enjoys being given the freedom to innovate, then we'd love to hear from you!


  • Develop and maintain the KAYAK/OpenTable performance marketing platform which hosts and manages all marketing optimization processes

  • Develop and maintain new application features across the whole tech stack (DB architecture, web APIs and UI)

  • Integrate data from external sources, such as internal data science APIs and marketing platforms such as Google Ads and Facebook Ads

  • Designing scalable algorithmic platforms to run marketing technology workloads 


Required Skills

  •  Bachelor's degree or higher, preferably in a quantitative/technical field (e.g. Computer Science, Engineering, Physics, Math)

  • 3+ years of application development experience using Python

  • Experience using a Python web framework in production e.g. Django, Flask, FastAPI, etc

  • Experience with developing web apps using JavaScript/TypeScript and modern JS frameworks (ideally React.js/Redux)

  • Strong debugging, algorithm design, and problem-solving skills

  • Great communication and collaboration skills 


Bonus Skills

  • Knowledge of MySQL, Vertica or Redis

  • Experience writing complex SQL queries

  • Prior experience running applications in Docker

  • Experience maintaining open source projects

  • Experience developing solutions alongside data science teams

  • Experience using data science libraries such as pandas, numpy and scikit-learn in production




At KAYAK we help millions of travelers around the globe make confident travel decisions. KAYAK searches other sites to show travelers the information they need to find the right flights, hotels, rental cars and vacation packages and is the world's leading travel search engine.

As an employee of KAYAK, you will be part of a global network that includes OpenTable and KAYAK's portfolio of metasearch brands including Swoodoo, checkfelix, momondo, Cheapflights, Mundi and HotelsCombined. Many employees are dedicated to one brand, but we all have the benefit of using each others strengths and insights. Together, we're able to help people experience the world through dining and travel.

KAYAK is part of Booking Holdings Inc. and operates sites in more than 60 countries and territories.


Benefits and Perks

  • 6 weeks paid vacation

  • Day off on your birthday

  • Generous retirement plans

  • Annual education budget *

  • Free lunch catering three days per week

  • Public transportation subsidies *

  • Free German classes *

  • Free Yoga classes *

  • Free massages from Wellnow *

  • No stupid meetings

  • Drinks, coffee, snacks, games etc

  • Regular team events and volunteering opportunities

  • Sport teams (Football, Volleyball, Basketball)

  • Flexible hours

  • In-house gym facilities

  • Universal paid parental leave

* currently paused due to COVID


Diversity and Inclusion at OpenTable/ KAYAK

We aspire to have a workplace that reflects all of the diverse communities we serve. We know that when we have diverse teams we produce more innovative ideas, products, services, and better business outcomes for our stakeholders. OpenTable/KAYAK is proud to be an Equal Opportunity Employer and we welcome and encourage candidates from all backgrounds and experiences to apply for roles on our team.  Whoever you are, just be you.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

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