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KAYAK
KAYAK
1,001 – 5,000 Employees
H1B Visa SponsorConsultingHospitalityLogistics
KAYAK is a travel search and comparison platform that helps people plan trips by comparing flights, hotels, and rental cars across hundreds of travel sites. Its website and mobile app let travelers refine results using practical preferences, monitor prices with alerts, and organize plans through KAYAK Trips. With mobile rates and travel notifications, KAYAK supports more informed booking decisions while keeping travel research in one place.
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Staff Java Software Engineer at KAYAK (Vilnius Hybrid)

Lead backend architecture and engineering standards for KAYAK’s enterprise travel platform in Vilnius. Build scalable Java systems, high-performance integrations, and AI-enabled booking experiences.

LTLithuania
€4,500 – €7,900 / month
HybridFull-timeLeadEnglish RequiredFull-stack EngineerSoftware Engineer
AzureJavaMySQLPostgresRedisSpring

Description

  • Maintain search and booking performance for global enterprise customers
  • Design high-performance, low-latency integration frameworks for third-party APIs with strong availability
  • Provide technical leadership across multiple engineering squads and align architectural decisions across the K4B ecosystem
  • Advance observability, CI/CD maturity, code quality, and distributed-systems practices
  • Convert business goals into durable technical specifications and communicate architectural risks and opportunities to leadership
  • Partner with engineers, product managers, and other stakeholders on scalable AI-driven booking and enterprise integration solutions
  • Mentor engineers and guide the technical direction of backend systems

Requirements

  • At least 7 years of experience with the Java ecosystem and Spring Framework, including Spring Boot and Spring Security
  • Expertise designing high-throughput data systems with PostgreSQL, MySQL, and Redis
  • Strong command of English
  • Knowledge of B2B integration standards and protocols, including SAML, OAuth2, OIDC, and SCIM, with automated user lifecycle management through Okta, Workday, or Azure AD
  • Prior experience with AI or LLM technologies is a plus
  • Able to work from the Vilnius office at least three days per week
  • Legally authorized to work in the country or region where the role is based

Benefits

  • Annual bonuses of approximately 10% of salary
  • Booking Holdings RSUs valued at USD 20,000 gross, with potential annual refreshes
  • Work from almost anywhere for up to 20 days per year
  • Career development funding
  • Access to thousands of on-demand learning courses
  • Additional health insurance
  • Flexible sick leave
  • Additional financial support during sick leave
  • Extra day off for your birthday
  • Company-wide winter holiday week each year
  • Additional financial support during parental leave
  • Free lunch twice weekly and daily office snacks
  • Free yoga twice weekly
  • Paid volunteering time
  • No-meeting Fridays
  • Company and team events, including summer camp, KAYAK’s birthday, and the winter party
  • Company-paid therapy sessions through SpringHealth
  • Company-paid Headspace subscription
  • Internal communities

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