Senior Software Engineer, Meta AI

Design, implement and maintain reliable production software for KAYAK’s travel-search and trip-planning experiences.

Build and evolve APIs and services supporting AI-assisted search, conversational travel planning, itineraries and related user experiences.

Investigate technical problems, assess trade-offs and choose practical solutions that improve reliability, performance and maintainability.

Write automated tests and contribute to quality across unit, integration and end-to-end testing.

Participate in code reviews and technical discussions, providing constructive feedback focused on correctness, clarity and maintainability.

Work with engineers, product managers and designers to clarify requirements and deliver useful, accessible user experiences.

Contribute to features such as ASK AI, smart filters, AI-generated hotel review summaries, Explore and related search experiences.

Help make AI-assisted features dependable, transparent and useful to travelers.

Learn unfamiliar systems and share knowledge with teammates through documentation, pairing and technical discussions.

Monitor and improve production behavior through effective debugging, observability and root-cause analysis.

Contribute to the evolution of development tools, engineering processes and delivery practices.

Experience building and maintaining production software.

Proficiency in Java or another relevant programming language.

Familiarity with APIs, data structures and software-design principles.

Experience testing software and investigating defects or production issues.

The ability to explain technical decisions clearly in writing and conversation.

The ability to take ownership of assigned work while asking for input or support when needed.

Experience contributing to projects from design through implementation, release and maintenance.

Equivalent practical experience is welcome in place of a specific degree or educational path.

Experience with distributed systems, search, personalization or other high-volume consumer products.

Experience with AI, machine learning or large language model applications.

Experience with relational databases or other structured data stores.

Experience working on web products, mobile products or travel-related products.

Experience improving accessibility, reliability or usability.

Experience working with Java and Spring.

Experience with cloud services, CI/CD pipelines and automated testing frameworks.

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

No-meeting Fridays

Paid parental leave

Paid volunteer time

Focus on your career growth:

Development Dollars

Leadership development

Access to thousands of on-demand e-learning courses

Travel discounts

Employee Resource Groups

Six weeks of paid vacation plus a day off for your birthday

Free lunch two days per week

Pension plan contributions

Public transportation subsidies

Bike leasing program

Monthly social events, Thursday happy hours and sports teams

An awesome office in Friedrichshain, Berlin

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.

Need any adjustments for the interview, application or on the job? No problem – just give us a heads-up. We've got you.

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