Senior JAVA Software Engineer

🕒 June 3

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KAYAK

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 2004

💰 $6M Post-IPO Equity on 2012-08

Travel • Technology • Mobility

KAYAK is a comprehensive travel search engine that allows users to compare prices across hundreds of travel sites. The platform offers services for finding flights, hotels, and rental cars, providing users with the ability to filter results based on personal preferences such as free Wi-Fi or early arrival. Through its website and mobile app, KAYAK provides features like price alerts and the ability to manage travel itineraries via KAYAK Trips. The app offers special mobile rates and notifications, ensuring users obtain the best rates possible. KAYAK's mission is to simplify travel planning and help users make well-informed booking decisions without additional fees.

📋 Description

• Optimize search and booking logic to handle the demands of greatest global corporate clients • Build 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 performance • Participate in code reviews and architectural steering to ensure the K4B project remains modular and reusable as KAYAK expands its enterprise footprint

🎯 Requirements

• Bachelor’s degree or higher in Computer Science or related field • 5+ years of experience in JAVA • Hands-on experience with the Spring ecosystem (Spring/Spring Boot) and working knowledge of relational (SQL) and NoSQL databases (e.g., PostgreSQL, MySQL, Redis). • Strong English communication skills • Ability to design and implement engineering initiatives with minimal guidance • Prior experience in the travel domain is beneficial — familiarity with airline distribution and standards (GDS such as Amadeus/Sabre/Travelport, NDC) and their integration with booking/reservation systems. • Experience with B2B systems or identity/HR integrations is beneficial — e.g., SCIM, SAML/OAuth, SSO, user provisioning/deprovisioning, and connecting HRIS/IDP platforms (Workday, Okta, Active Directory) to product services.

🏖️ 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