Senior Front End Software Engineer, Retention

The role

You will design, build, and take end-to-end ownership of complex frontend features. You will also mentor less-experienced engineers and collaborate with product managers and designers.

What you will do

• Design, build, and take end-to-end ownership of complex frontend features
• Write maintainable, well-tested code and participate in code reviews
• Lead technical design discussions and document decisions
• Identify and address technical debt, performance issues, and reliability risks
• Mentor and support less-experienced engineers
• Collaborate with product managers and designers
• Participate in agile ceremonies
• Contribute to improving team processes, tooling, and engineering standards
• Use AI-assisted development tools responsibly

Required qualifications

• Experience independently designing and delivering complex frontend features in a production environment
• Strong proficiency in JavaScript and TypeScript
• Experience building user interfaces with a modern component-based framework such as React or similar
• Understanding of how frontend systems interact with APIs and backend services
• Experience debugging and optimizing across the frontend and backend boundary
• Experience writing and maintaining automated tests
• Ability to communicate technical ideas clearly
• Track record of taking ownership of work through to completion
• Fluent English communication skills
• Comfort working in an agile team environment
• Comfort working in a hybrid model, with at least three office days per week

Nice to have

• Experience working on advertising technology, user engagement features, or revenue-impacting frontend products
• Familiarity with A/B experimentation frameworks or feature flagging systems
• Experience mentoring or supporting the growth of other engineers on your team

Benefits

• 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

About the company

KAYAK is a leading travel search engine and part of Booking Holdings. It operates a portfolio of global metasearch brands including momondo, Cheapflights and HotelsCombined.