Senior Frontend Software Engineer

Sorry, this job was removed at 12:18 a.m. (CST) on Wednesday, Apr 30, 2025
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Cambridge, Cambridgeshire, England
In-Office
Other • Travel
The Role

KAYAK, part of Booking Holdings (NASDAQ: BKNG), is the world’s leading travel search engine. With billions of queries across our platforms, we help people find their perfect flight, stay, rental car, cruise, or vacation package. We’re also transforming the in-travel experience with our app and new accommodation software. For more information, visit www.KAYAK.com.

As an employee of KAYAK, you will be part of a global network that includes OpenTable and KAYAK's portfolio of metasearch brands including Swoodoo, checkfelix, momondo, Cheapflights, Mundi and HotelsCombined. Many employees are dedicated to one brand, but we all have the benefit of using each other's strengths and insights. Together, we're able to help people experience the world through dining and travel.

Trade your daily grind for a career that lets you show off your passion for travel! Join KAYAK to build the travel tools that our users dream of, and develop your own ideas during our Hack Weeks. Be the first to play with new and innovative  travel features (while getting paid for it).

We are looking for smart, ambitious, and hardworking developers with a passion for learning and delivering. You will join the Flights UI team in Cambridge, responsible for user experiences that are the face of KAYAK for millions of users every day. You will work closely with other teams, developing innovative features to make shopping for travel simple. If you're an engineer who loves traveling, and wants to help shape the future of the travel meta, we'd love to hear from you!

This role is required to work at least 3 days a week from our Cambridge, MA office.

In this role you will:

  • Work on Flights product features used by millions of people
  • Have end-to-end ownership of the UI, including testing, monitoring and troubleshooting
  • Make architectural decisions and build prototypes
  • Review and scope feature requests
  • Drive technical debt reduction, oversee code quality, and pair with other developers
  • Refactor and optimize existing code
  • Work with geographically distributed teams

Please apply if you have:

  • 4+ years of meaningful work experience building  web applications
  • Bachelor's degree or higher, preferably in a quantitative/technical field (e.g. Computer Science, Engineering, Physics, Math)
  • Deep experience building layouts using CSS and HTML
  • Advanced understanding of JavaScript (preferably Typescript), and experience using a modern UI framework or library (we use React, but Angular or Vue.js count too)
  • Knowledge of performance considerations, especially with respect to browsers
  • Experience working in Java, C#, or a similar object-oriented language
  • Ability to…
    • Debug issues in a full-stack environment
    • Work independently on solutions and designs with minimal oversight
    • Produce scalable, high quality, and accurate work
    • Estimate effort accurately and execute with pace
    • Show good judgment in architecting software
    • Use metrics to validate decision-making
    • Owns communication to key stakeholders on assigned projects
    • Easily relate technical subjects to non-technical audiences
    • Demonstrate leadership across teams and business functions

Benefits and Perks

  • 4 weeks paid vacation
  • Day off on your birthday
  • Generous retirement plans
  • Awesome health, dental and vision insurance plans
  • Flexible Spending Accounts
  • Headspace Subscription
  • No Meeting Fridays
  • Drinks, coffee, snacks, games etc.
  • Weekly catered lunches
  • Flexible hours
  • Regular events/excursions
  • Universal Paid Parental leave

Diversity and Inclusion

We aspire to have a workplace that reflects all of the diverse communities we serve. We know that when we have diverse teams we produce more creative ideas, products, and better outcomes for our team members. OpenTable/KAYAK is proud to be an Equal Opportunity Employer and we welcome and encourage candidates from all backgrounds and experiences to apply for roles on our team. Whoever you are, just be you.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform job responsibilities, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

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The Company
HQ: Stamford, CT
1,002 Employees
Year Founded: 2004

What We Do

KAYAK, part of Booking Holdings (NASDAQ: BKNG), is the world's leading travel search engine. With billions of queries across our platforms, we help people find their perfect flight, stay, rental car, cruise, vacation package. We also support business travelers with KAYAK for Business, our free corporate travel solution and are transforming the in-travel experience with our app and new hotel and accommodation software.

Want to join a talented team that’s eager to solve the world’s travel problems (and have a bit of fun)? As an employee of KAYAK, you’ll be part of a global network including OpenTable and a portfolio of travel metasearch brands like Swoodoo, checkfelix, momondo, Cheapflights, Mundi and Hotels Combined. So join us, and help others experience the world through dining and travel.

Why Work With Us

What's most unique about KAYAK is the way we empower our team to lead their best lives - in and out of the workplace. Our Work from Almost Anywhere policy is built for and by our team. It gives us the flexibility to choose where and how we work best.

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