KAYAK, part of Booking Holdings (NASDAQ: BKNG), is a leading travel search engine. We power billions of queries across our platforms to help users find flights, stays, rental cars, and vacation packages. We are transforming business travel with KAYAK for Business (K4B) and are building the future of corporate travel to serve companies and travelers worldwide. Our K4B Engineering team is growing and seeks a Staff Software Engineer to shape the technical direction of our backend systems. In this role, you will collaborate with engineers, product managers, and cross-functional partners to design scalable solutions that power AI-driven booking experiences and enterprise client integrations. If you enjoy solving complex problems, mentoring others, and turning architectural decisions into product outcomes, we'd like to hear from you. This role is based in Vilnius and requires working from our Vilnius office at least 3 days per week. Responsibilities: - Ensure search and booking logic maintains performance for global enterprise clients. - Lead design of high-performance integration frameworks for third-party APIs with low latency and high availability. - Serve as a technical leader for multiple engineering squads, guiding architectural trade-offs and maintaining technical consistency across the K4B ecosystem. - Drive initiatives to improve the engineering lifecycle, including observability, CI/CD maturity, and standards for code quality and distributed system design. - Translate business objectives into robust technical specifications and communicate risks and opportunities to lea

KAYAK, part of Booking Holdings (NASDAQ: BKNG), is a leading travel search engine. We power billions of queries across our platforms to help users find flights, stays, rental cars, and vacation packages. We are transforming business travel with KAYAK for Business (K4B) and are building the future of corporate travel to serve companies and travelers worldwide. Our K4B Engineering team is growing and seeks a Staff Software Engineer to shape the technical direction of our backend systems. In this role, you will collaborate with engineers, product managers, and cross-functional partners to design scalable solutions that power AI-driven booking experiences and enterprise client integrations. If you enjoy solving complex problems, mentoring others, and turning architectural decisions into product outcomes, we'd like to hear from you. This role is based in Vilnius and requires working from our Vilnius office at least 3 days per week. Responsibilities: - Ensure search and booking logic maintains performance for global enterprise clients. - Lead design of high-performance integration frameworks for third-party APIs with low latency and high availability. - Serve as a technical leader for multiple engineering squads, guiding architectural trade-offs and maintaining technical consistency across the K4B ecosystem. - Drive initiatives to improve the engineering lifecycle, including observability, CI/CD maturity, and standards for code quality and distributed system design. - Translate business objectives into robust technical specifications and communicate risks and opportunities to lea