Job Overview
Location
Concord Office
Job Type
Full-time
Category
Software Engineering
Date Posted
August 8, 2026
Full Job Description
đź“‹ Description
- • We are looking for a strong Senior Java Software Engineer to implement new features and maintain KAYAK’s world-leading platform.
- • Good candidates will have a passion in processing data to help drive better business decisions or to develop new features, in a fast-paced environment where many small and diverse projects are the norm.
- • This role will be required to work from our Concord, MA office at least 3 days per week.
- • In this role, you will:
- • Extract data from databases, write scripts to parse, clean, combine, and process them
- • Communicate with APIs via REST or SOAP interfaces.
- • Configure enterprise applications for large customers.
- • Develop tools to assist in the debugging of existing products.
- • Build and maintain high-performance integrations with third-party APIs (airlines, hotel and rentalcars providers)
- • Take full ownership of your designs: from initial concept to deployment while maintaining high standards for code quality and performance
- • Participate in code reviews and architectural steering to ensure the K4B project remains modular and reusable as KAYAK expands its enterprise footprint
- • Please apply if you have:
- • +6-8 years of experience with Java programming
- • Strong understanding of programming fundamentals, data structures, algorithms, and software design
- • Ability to work independently and with a team
- • Good communication skills for sharing ideas clearly with both technical and non-technical colleagues
- • Experience with relational databases like MySQL or Oracle
- • Prior experience in the travel domain is beneficial
- • Experience with B2B systems or identity/HR integrations is beneficial — e.g., SCIM, SAML/OAuth, SSO, user provisioning/deprovisioning, and connecting HRIS/IDP platforms (Workday, Okta, Active Directory) to product services.
- • Experience with the following:
- • Unix shell scripting
- • Spring & Mybatis frameworks
- • DOM and using XPath, JQuery & CSS
- • API development using REST, Web Service, SOAP, etc
- • Machine Learning
🏖️ 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 thousand 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 socials, and more
Skills & Technologies
See exactly how your profile matches this role — strengths, skill gaps, and what to do about them.
About Booking Holdings Inc.
Kayak is a travel search engine and booking platform that aggregates fares and rates for flights, hotels, rental cars, and vacation packages from hundreds of travel sites and suppliers. It provides price comparison tools, price alerts, mobile apps, and itinerary management features to help consumers find and organize travel options efficiently. The company operates globally and is headquartered in Stamford, Connecticut.
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