Senior Software Engineer, K4B

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 at our core 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.We are looking for a strong Java backend developer to implement new features and maintain KAYAK’s world-leading search and booking technology. We integrate with over 200 travel partners and link to over 500,000 hotels and 550 airlines. You will be an essential part of a high powered team that keeps all of this running smoothly – helping millions of people find the best hotels and the best ways to fly from A to B every day!In this role you will be expected to work from our Berlin office at least 3 days per week.In this role, you will:Optimize search and booking logic to handle the demands of greatest global corporate clientsBuild and maintain high-performance integrations with third-party APIs (airlines, hotel and rentalcars providers)Take full ownership of your designs: from initial concept to deployment while maintaining high standards for code quality and performanceParticipate in code reviews and architectural steering to ensure the K4B project remains modular and reusable as KAYAK expands its enterprise footprint Please apply if you have:Bachelor’s degree or higher in Computer Science or related field6+ years of experience in JAVAHands-on experience with the Spring ecosystem (Spring/Spring Boot) and working knowledge of relational (SQL) and NoSQL d