Ensure the search and booking logic maintains optimal performance under the rigorous demands of global enterprise clientele.
Lead the design of high-performance, fault-tolerant integration frameworks for third-party APIs (NDC, GDS, and proprietary provider protocols), prioritizing low-latency execution and high availability.
Serve as a primary consultant for multiple engineering squads, providing clarity on complex architectural trade-offs and ensuring technical consistency across the K4B ecosystem.
Spearhead initiatives to improve the engineering lifecycle, from establishing sophisticated observability patterns and CI/CD matures to refining internal standards for code quality and distributed system design.
Translate high-level business objectives into robust technical specifications, effectively communicating architectural risks and opportunities to executive leadership.

Requirements

A minimum of 9 years of professional software development experience, with a significant portion dedicated to the large-scale distributed systems.
Expert-level mastery of the Java ecosystem and Spring Framework (Boot, Security).
Expertise in designing for high-throughput data environments using PostgreSQL, MySQL, and Redis.
Good command of the English language.
Understanding of airline distribution standards, specifically NDC (New Distribution Capability) and legacy GDS (Amadeus, Sabre) protocols.
Knowledge of B2B integration patterns including SAML, OAuth2, OIDC, and SCIM for automated user lifecycle management via Okta, Workday, or Azure AD.
Previous experience with AI/LLM would be a plus.

Benefits

Work from (almost) anywhere for up to 20 days per year
Funds for your career growth
Access to thousands of on-demand e-learnings
Generous additional Health Insurance
Flexible sick time off
Additional financial support for your sick leave
Additional day off on your birthday
Company-wide vacation week once a year (winter holidays)
Additional financial support during parental leave
Free lunch twice a week and daily snacks at the office
Free yoga twice a week
Paid volunteering time
No meeting Fridays
Office and team events such as summer camp, KAYAK birthday, winter party and more!
Company-paid therapy sessions through SpringHealth
Company-paid subscription to HeadSpace
Internal Communities

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

JavaSpring FrameworkPostgreSQLMySQLRedisSAMLOAuth2OIDCSCIMAI/LLM

Soft Skills

communicationleadershipconsultingclarityarchitectural trade-offstechnical consistencyobservabilitycode qualitydistributed system designbusiness objectives translation