KAYAK is hiring a Senior Java Software Engineer to join the Retention and CRM team in Cambridge/Concord, MA. Build scalable backend services powering Trips, price alerts, and personalized engagement for millions of users.
You will collaborate with product, marketing, design, and distributed engineers, designing complex features end-to-end and driving performance, reliability, and data integrity across the stack.
Senior Java backend engineer building scalable retention and CRM systems to improve user engagement at KAYAK, using Java and relational databases.
Senior Java backend engineer builds and maintains scalable microservices using Java, Spring Boot, and Kafka in a hybrid role based in Sunnyvale.
The Senior Backend Engineer will develop and maintain scalable microservices using Java and Kotlin within the Retention domain. The role involves end-to-end ownership of features and close collaboration with cross-functional teams to support mobile gaming products.
Senior Java Engineer building scalable backend systems with Spring Boot and Kafka, while contributing to frontend work with React, Typescript, or Angular in a hybrid Galway office.
Build and evolve KAYAK’s shared backend platform in Java/Spring Boot, improving deployment, observability, and scalability so product teams can ship faster and more safely.
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