Senior Full Stack Software Engineer, KAYAK

KAYAK

Location:
Lithuania, Vilnius ▼
Kaunas

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

3333.00 - 6600.00 EUR / Month

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Job Description:

KAYAK, part of Booking Holdings, is the world’s leading travel search engine. The company is looking for a Senior Full Stack Software Engineer to join their team in Kaunas or Vilnius office. Key responsibilities include building features for affiliates, maintaining APIs, and supporting integrations. The candidate should have 5+ years of experience and strong skills in both front-end and back-end technologies.

Job Responsibility:

Build new features and products for our affiliates
Maintain and enhance existing APIs
Collaborate with cross-functional teams to ensure seamless integration
Support existing affiliate integrations
Follow KPIs (revenue, sessions, etc.) and be part of the data driven decision making process
Locate and eliminate sources of recurring issues.

Requirements:

5+ years of experience in Web Development
Good knowledge and hands-on experience in Front End technologies: TypeScript, React, Redux, CSS (Sass or Less)
Solid knowledge and hands-on experience in Back End technologies: Java, Spring, MySQL
Strong programming fundamentals and understanding of software design principles
Strong knowledge of OOP patterns and API design
Experience writing unit and E2E tests
Openness to technical improvements across all layers (UI, backend, SQL, Elastic, etc.)
Excellent problem-solving skills and ability to work both independently and collaboratively
Fluent English communication skills
Skills to debug effectively in a full-stack environment.

What we offer:

Work from (almost) anywhere for up to 20 days per year
Funds for your career growth
Access to thousands of on-demand e-learnings
Generous additional Health Insurance
Flexible sick time off
Additional financial support for your sick leave
Additional day off on your birthday
Company-wide vacation week once a year (winter holidays)
Additional financial support during parental leave
Free lunch twice a week and daily snacks at the office
Free yoga twice a week
Paid volunteering time
No meeting Fridays
Office and team events such as summer camp, KAYAK birthday, winter party and more
Company-paid therapy sessions through SpringHealth
Company-paid subscription to HeadSpace
Internal Communities.

Additional Information:

Job Posted:
May 29, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Senior Full Stack Software Engineer