KAYAK

travel

JavaSoftwareEngineer

Berlin, Germany FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Mid candidates.

The Brief

“Java Software Engineer at KAYAK. Skills: JAVA, Spring Boot, SQL, NoSQL databases. 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)”

What You'll Achieve.

Optimize search and booking logic to handle the demands of greatest global corporate clients; Build and maintain high-performance integrations with third-party APIs; ensure the K4B project remains modular and reusable as KAYAK expands its enterprise footprint

Industry & Context.

travel
Eligibility Requirements

Work from our Berlin office at least 3 days per week

What They're Looking For.

Must Have

3+ years of experience in JAVA, Hands-on experience with the Spring ecosystem (Spring/Spring Boot), working knowledge of relational (SQL) and NoSQL databases (e. g. , PostgreSQL, MySQL, Redis), English communication skills, Ability to design and implement engineering initiatives with minimal guidance

Nice to Have

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.

What You'll Do.

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

How You'll Work.

Team & Collaboration

Participate in code reviews; architectural steering

Communication Scope

English communication skills

Process & Methodology

Take full ownership of your designs: from initial concept to deployment

Full Job Description

ABOUT KAYAK 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.   POSITION We are looking for a strong Java backend developers 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 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   PLEASE APPLY IF YOU HAVE: - Bachelor’s degree or higher in Computer Science or related field - 3+ years of experience in JAVA - Hands-on experience with the Spring ecosystem (Spring/Spring Boot) and working

Free ATS check

Applying for this Java Software Engineer role?

Most applicants get filtered before a human reads their resume. See if yours makes the cut.

How to Apply on Ashby

  • Ashby is a fast modern ATS — most applications take under 3 minutes.
  • The resume parser is strong; verify parsed experience dates and job titles.
  • Custom screening questions are often scored algorithmically — answer completely.
  • Location field affects geo-based screening; use your actual metro area.

ANONYMOUS · UNFILTERED

What do employees actually say about KAYAK?

Real rants from real employees. Read before you apply.

Read Company Rants →