Location Berlin Office Employment Type Full time Location Type Hybrid Department Cost CentersTechnologyTechnologyK4B - Engineering KAYAK, part of Booking Holdings (NASDAQ: BKNG), is a 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 Senior Full Stack Engineer (React+Java) to join our growing team in Berlin. The team is responsible for building and innovating the B2B platform, which already has well-known names as clients and huge potential to grow further. If you're a thoughtful, ambitious, and relentlessly curious developer who gets things done, this could be your next adventure! This role will be required to work from our Berlin office at least 3 days per week. In this role, you will: Engage in collaborative B2B product development with a dedicated global team; Scope and implement features, working with designers, product managers, and commercial stakeholders; Design and implement innovative, high-performing and scalable solutions; Contribute to steering architecture towards performance, quality, reusability; Locate and eliminate sources of recurring issues; Leverage AI coding tools to take your efficiency to the next level. Please apply if you have: Education in Computer Science or a related field. 5+ years of professional experience in Web Development; Experience with Front End technologies: TypeScript, React, CSS (Sass or Less); Experience working with Java, Java Spring & JVM ecosystems and working knowledge databases (e.g., PostgreSQL, MySQL, Redis). Comfortable writing unit and E2E tests; Ability to debug effectively in a full-stack environment. Benefits: 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 Generous 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 6 weeks paid vacation Free lunch 2 days per week Pension plan contributions Public transportation subsidies Bike leasing program Monthly social events, Thursday happy hours, sports teams An awesome office in Friedrichshain, Berlin Inclusion At KAYAK, we want everyone to have the space to grow, share ideas and do great work. That’s why we’re focused on hiring the best talent from all walks of life and experiences, supporting them well and making sure no one feels like they have to fit a mold to belong here.If you need accommodations during the application or interview process, or on the job, we’re here to support you. Please reach out to your recruiter to request any accommodations. #LI-AS1