Java Senior Software Engineers (AI)

Location: Hybrid, with commuting to the Concord, Massachusetts office three times per week

Salary: $160,000–$180,000 per year, excluding annual bonus and recurring RSU grants

Company

hirify.global is a travel search engine within Booking Holdings, providing flight, hotel, rental car, vacation package, and corporate travel search experiences.

What you will do

• Design, implement, and maintain reliable production software for travel search and trip-planning experiences.
• Build and evolve APIs and services for AI-assisted search, conversational travel planning, itineraries, and related user experiences.
• Contribute to ASK AI, smart filters, AI-generated hotel review summaries, Explore, and other search features.
• Investigate technical issues, assess trade-offs, and improve reliability, performance, maintainability, and usability.
• Write automated unit, integration, and end-to-end tests; participate in code reviews and technical discussions.
• Monitor production behavior through debugging, observability, and root-cause analysis while collaborating with engineers, product managers, and designers.

Requirements

• Experience building and maintaining production software.
• Proficiency in Java or another relevant programming language.
• Familiarity with APIs, data structures, and software design principles.
• Experience testing software and investigating defects or production issues.
• Ability to explain technical decisions clearly and take ownership of work while seeking support when needed.
• Experience contributing to projects from design through implementation, release, and maintenance; equivalent practical experience is accepted instead of a specific degree.

Nice to have

• Experience with distributed systems, search, personalization, or high-volume consumer products.
• Experience with AI, machine learning, or large language model applications.
• Experience with relational databases, Java and Spring, cloud services, CI/CD pipelines, or automated testing frameworks.
• Experience improving accessibility, reliability, or usability, or working on web, mobile, or travel products.

Culture & Benefits

• Work from almost anywhere for up to 20 days per year.
• Health benefits, flexible spending account, retirement benefits, life insurance, paid vacation, sick leave, holidays, and parental leave.
• Company-paid therapy sessions, Headspace subscription, a company-wide week off, and no-meeting Fridays.
• Development dollars, leadership development, and access to thousands of on-demand e-learning courses.
• Travel discounts, employee resource groups, free lunch two days per week, and paid volunteer time.