K

KAYAK

Travel search engine aggregating flights, hotels

Senior Java Software Engineer - Search team

Backend EngineeringUpdated on Nov 9
Full-timeKaunas, Kaunas City Municipality, Lithuania€3.3k - €6.7k /mo

About the Job

Requirements

  • Education in Computer Science or a related field.
  • At least 5 years of experience with the Java ecosystem and Spring Framework, including Spring Boot and Spring Security.
  • Expertise designing for high-throughput data environments using PostgreSQL, MySQL, and Redis.
  • Fluent English communication skills.

Responsibilities

  • Design and maintain scalable backend search capabilities focused on speed, reliability, relevance, and user experience.
  • Own complex technical solutions from design through operational support.
  • Guide architecture discussions and maintain high engineering standards as a technical leader.
  • Collaborate with commercial, data, and engineering teams to deliver robust technical solutions.
  • Resolve production issues, improve system reliability, and reduce technical debt.
  • Mentor engineers and contribute to improved testing, observability, continuous integration and continuous delivery, and development practices.

Desired Qualifications

  • Previous experience with artificial intelligence or large language models.
  • Exposure to Elasticsearch or similar search technologies.

About the Company

KAYAK

Travel search engine aggregating flights, hotels

KAYAK helps travelers plan trips by comparing prices across flights, hotels, car rentals, and vacation packages from hundreds of providers in one place. Users search for travel options, and the platform pulls listings from many booking sites, showing prices, availability, and deal details so people can compare and choose. It also offers tools like fare alerts and price forecasts to help users make smarter choices and track changes. Revenue comes from advertising and referral fees when users click on deals or book services via KAYAK. Compared with competitors, KAYAK focuses on aggregating a broad set of travel options from numerous sites to create a single, easy-to-use search experience with helpful planning tools, aiming to simplify the process of finding the best deals. Its goal is to save travelers time and money by making travel planning fast, transparent, and convenient.

Company size
1,001-5,000
Company stage
Acquired
Total funding
$244M
Headquarters
Stamford, CT
Founded
2004

Recently Posted Jobs

Explore more opportunities at KAYAK

See more jobs