KAYAK, part of Booking Holdings (NASDAQ: BKNG), is the world’s leading travel search engine. With billions of queries across our platforms, we help people find their perfect flight, stay, rental car and vacation package. We’re also transforming business travel with a new corporate travel solution, KAYAK for Business.

As an employee of KAYAK, you will be part of a travel company that operates a portfolio of global metasearch brands including momondo, Cheapflights and HotelsCombined, among others. From start-up to industry leader, innovation is in our DNA and every employee has an opportunity to make their mark. Our focus is on building the best travel search engine to make it easier for everyone to experience the world.

KAYAK is looking for a talented and motivated backend software engineer to join KAYAK’s AdTech team. As a member of this team, you will be at the forefront of developing KAYAK’s advertising platform that’s built on cutting edge technologies and help drive KAYAK’s business solutions forward. You will have an opportunity to build platforms that our ad partners will use to create and manage their ad content, manage targeting and bids on their ads, work with different data systems, build dashboards and reporting tools and have a huge impact by contributing to the overall success of the company as well as our partners.

Your day to day will involve writing code to build APIs, designing data and database schemas, writing algorithms to support analytics and working on large and complex scale and performance problems in the application. The role presents a unique opportunity to work with a geographically distributed team and working with teams across the organization

In this role, you will:

• Design, develop and maintain high performance solutions for our AdTech applications including ad targeting, content management and other adjacent sub-systems
• Collaborate cross functionally with other teams including engineering, product, data science and design to drive engineering solutions across the company and deliver a high quality software product
• Work with different data storage systems like MySQL, Memcache, Trino, Aerospike, Snowflake, Redis etc that support our ad platform
• Implement innovative algorithms and models to improve the performance of our targeting to help improve ROI for our partners
• Write automated tests across the entire testing pyramid including unit tests, integration tests, API tests, end to end tests etc to test our systems and drive quality for our applications
• Implement and drive coding practices across our systems to improve the quality and maintainability of our code
• Collaborate with team members: Participate in code reviews, share knowledge to learn and grow together, be a mentor to younger engineers
• Identify and resolve complex software problems to drive the product and business requirements
• Analyze and resolve complex scalability and performance issues within our ad systems

Please apply if you have:

• 4+ years Java experience with Java web development
• Great programming fundamentals
• Solid understanding of data structures, algorithms, and software design principles
• Good understanding of relational database like MySQL, Oracle etc
• Understanding of Aerospike and/or Redis is a plus
• Excellent problem solving skills and ability to work independently as well as collaboratively in a team environment
• Strong English communication skills to effectively articulate technical concepts to technical as well as non-technical members of the team
• The capacity to thrive in a hybrid working model, including the ability to attend the office at least 3 days a week.

Benefits:

• Flexible working hours;
• Fund for career growth and development;
• Day off on your birthday;
• Flexible sick time off;
• Additionally paid parental leave;
• Generous healthcare insurance;
• Free lunch twice a week;
• Free Yoga classes twice a week;
• Headspace subscription - to relax after work;
• The greatest team events and excursions;
• Drinks, coffee, snacks, games etc

Compensation

Senior Software Engineer's salary consists of three elements:

Base pay: may start from 3260 EUR Gross. More experienced candidates may receive up to 5166 EUR Gross for this position.

In addition:

• Significant yearly bonuses, approx 10 percent of annual salary.
• Booking Holdings RSU (Restricted Stock Units) package, worth 20.000 USD (before taxes) gross, with possibility to receive yearly refreshes.

Diversity, Equity, and Inclusion

At OpenTable/KAYAK, we aspire to be a workplace that fosters inclusion and reflects the diverse communities we serve. Hiring people with different backgrounds and perspectives is critical to innovation and to how we deliver great experiences for our users, partners, and teams. We strive to be an open and welcoming environment so that no matter who you are, you can be yourself.

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