KAYAK is looking for a highly intelligent backend developer who will be able to develop, create, and modify the computer applications that support the KAYAK platform ad network.  


  •  backend development of KAYAK ad network software applications, including ad targeting, bidding, content management, and other adjacent sub-systems

  • individual and team-based design and development of new features and products related to the KAYAK ad network

  • utilize and develop against several different types of data storage systems that support the KAYAK ad network, including but not limited to MySQL, memcache, Hive/Hadoop, Aserospike, Snowflake and Redis proprietary KAYAK storage systems.

  • identification and resolution of complex software problems related to the KAYAK ad network

  • analysis and resolution of scalability issues in the KAYAK ad network software applications

  • be an active participant in the ongoing maintenance and improvement to existing ad network services and feature-sets 


Required Skills

  • 5+ years Java experience, experience with Java web development a plus

  • Amazing programming fundamentals

  • Intermediate Java, experience with Java web development a plus

  • Working knowledge of SQL, Hive/Hadoop, Aerospike, Redis a plus

  • Some front end development experience preferred, but not required



  • Team player who likes to engage with colleagues at a professional and personal level

  • Someone who can handle a high volume of requests with frequent interruptions and prioritize their own work while taking infrastructure and business needs into account

  • Must have excellent technical communication skills



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 a part of Booking Holdings, the world leader in online travel and related services.



  • Day off on your birthday
  • Free lunch once a week
  • Flexible hours
  • Headspace subscription
  • Regular team events/excursions
  • Additional paid paternity leave
  • Generous healthcare insurance
  • No stupid meetings
  • Drinks, coffee, snacks, games etc.

Diversity and Inclusion at KAYAK/OpenTable

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.


When joining KAYAK/OT you will be entitled to our compensation package. In addition to the regular salary, you will have a possibility to be granted RSU and annual bonus under KAYAK’s internal rules. The base salary is from 1500 EUR to 3600 EUR (net). Other bonuses depend on your performance.

Salary range provided is not final and will be discussed during the process based on your skills and experience.

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