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Senior Full Stack Engineer

KAYAK

Berlin, DEhybridPosted May 28, 2026

At a glance

Highlights

  • Up to 20 remote days per year
  • Company-paid therapy and mental health benefits
  • No meeting Fridays
  • Generous paid vacation and birthday time off

Heads up

  • Onsite 3 days per week required

Why this role might suit you

A senior full‑stack engineer with strong Java and React expertise can shape KAYAK's B2B platform, working on high‑performance, scalable solutions while benefiting from generous wellness and flexibility perks in Berlin.

Skills

typescriptreactcsssasslessjavaspringpostgresqlmysqlredisunit-testinge2e-testing

About the role

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.

KAYAK is looking for a Senior Full Stack Engineer (React+Java) to join our growing team in Berlin. The team is responsible for building and innovating the B2B platform, which already has well-known names as clients and huge potential to grow further. If you're a thoughtful, ambitious, and relentlessly curious developer who gets things done, this could be your next adventure!

This role will be required to work from our Berlin office at least 3 days per week.

In this role, you will:

Engage in collaborative B2B product development with a dedicated global team;

Scope and implement features, working with designers, product managers, and commercial stakeholders;

Design and implement innovative, high-performing and scalable solutions;

Contribute to steering architecture towards performance, quality, reusability;

Locate and eliminate sources of recurring issues;

Leverage AI coding tools to take your efficiency to the next level.

Please apply if you have:

Education in Computer Science or a related field.

5+ years of professional experience in Web Development;

Experience with Front End technologies: TypeScript, React, CSS (Sass or Less);

Experience working with Java, Java Spring & JVM ecosystems and working knowledge databases (e.g., PostgreSQL, MySQL, Redis).

Comfortable writing unit and E2E tests;

Ability to debug effectively in a full-stack environment.

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

Inclusion

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.

If you need accommodations during the application or interview process, or on the job, we’re here to support you. Please reach out to your recruiter to request any accommodations.

#LI-AS1

Questions about this role

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