
Senior JAVA Software Engineer
KAYAK
full-time
Posted on:
Location Type: Hybrid
Location: Cambridge • Massachusetts • United States
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Salary
💰 $125,000 - $165,000 per year
Job Level
About the role
- Build and maintain backend features for the Stays team (search, booking, integrations).
- Improve performance, reliability, and user experience of existing systems.
- Integrate and maintain connections with internal and third-party APIs.
- Collaborate with frontend engineers, product, design, and QA to deliver features
Requirements
- Strong Java development skills.
- Experience designing APIs and backend services.
- Experience building high-performance, scalable services.
- Familiarity with relational databases (e.g., MySQL) and web data formats/protocols (HTTP, XML, JSON).
- Practical experience with APIs (design, consumption, or integration).
- Clear communicator who works well on a team.
- Self-driven and able to move projects forward independently.
- Nice to have: Experience with Spring, Git, Redis, Kafka, or similar technologies.
- Experience working on search, booking, or high-throughput systems.
Benefits
- Work from (almost) anywhere for up to 20 days per year
- Flexible hours and ability to work from home 1 or 2 days per week
- Generous retirement plans
- Awesome health, dental and vision insurance plans with flexible spending accounts
- 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
- Universal 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
- Competitive retirement and health plans
- Free lunch 2 days per week
- Fun quarterly events such as boat trips, arcades, ski trips, Thursday happy hours, and more
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
JavaAPI designbackend serviceshigh-performance servicesscalable servicesrelational databasesMySQLHTTPXMLJSON
Soft Skills
clear communicatorteamworkself-drivenindependent project management