Senior JAVA Software Engineer

TL;DR

Senior JAVA Software Engineer (Backend): Building and optimizing high-performance backend services for a leading travel search engine with an accent on search and booking logic optimization, and third-party API integrations. Focus on taking full ownership of designs from initial concept to deployment, ensuring high standards for code quality and performance.

Location: Hybrid, requiring 3 days per week in the Berlin office.

Company

hirify.global is a leading travel search engine, part of Booking Holdings, transforming business travel with its corporate travel solution, hirify.global for Business.

What you will do

• Optimize search and booking logic to handle the demands of global corporate clients.
• Build and maintain high-performance integrations with third-party APIs (airlines, hotel, rental car providers).
• Take full ownership of designs from initial concept to deployment, maintaining high standards for code quality and performance.
• Participate in code reviews and architectural steering to ensure project modularity and reusability.

Requirements

• Bachelor’s degree or higher in Computer Science or related field.
• 5+ years of experience in JAVA.
• Hands-on experience with the Spring ecosystem (Spring/Spring Boot).
• Working knowledge of relational (SQL) and NoSQL databases (e.g., PostgreSQL, MySQL, Redis).
• Strong English communication skills.
• Ability to work in the Berlin office at least 3 days per week.

Nice to have

• Prior experience in the travel domain (familiarity with airline distribution and standards like GDS, NDC).
• Experience with B2B systems or identity/HR integrations (e.g., SCIM, SAML/OAuth, SSO).

Culture & Benefits

• Ability to work from (almost) anywhere for up to 20 days per year.
• Focus on mental health and well-being: company-paid therapy sessions through SpringHealth and HeadSpace subscription, plus a company-wide week off.
• No meeting Fridays.
• Generous paid parental leave, paid vacation (6 weeks), and time off for your birthday.
• Focus on career growth with Development Dollars, leadership development, and access to thousands of on-demand e-learnings.
• Travel discounts, pension plan contributions, public transportation subsidies, and a bike leasing program.
• Free lunch 2 days per week, monthly social events, Thursday happy hours, and sports teams.