Senior ML Ops Engineer

<p style="min-height:1.5em">KAYAK, part of Booking Holdings (NASDAQ: BKNG), is a leading travel search engine. With billions of queries across our platforms, we help people find their perfect flight, stay, rental car and vacation package. We're also transforming business travel with a new corporate travel solution, KAYAK for Business.</p><p style="min-height:1.5em">As an employee of KAYAK, you will be part of a travel company that operates a portfolio of global metasearch brands including momondo, Cheapflights and HotelsCombined, among others. From start-up to industry leader, innovation is in our DNA and every employee has an opportunity to make their mark. Our focus is on building the best travel search engine to make it easier for everyone to experience the world.</p><p style="min-height:1.5em">Every machine learning model KAYAK ships depends on reliable, scalable infrastructure to move from experiment to production — and that's exactly what this role makes possible. KAYAK is seeking a <strong>Senior MLOps Engineer</strong> who will focus on the design and implementation of our machine learning infrastructure and production lifecycle. This is a senior, hands-on role where you will bridge the gap between data science and production engineering. </p><p style="min-height:1.5em">You will join the Machine Learning Platform team and be responsible for building and maintaining scalable infrastructure &amp; automated pipelines for model training, deployment, and monitoring, ensuring our ML models are reliable, reproducible, and performant. You will work closely with Data Scientists, ML Engineering and Operations teams to transform experimental code into robust, production-ready services at scale. </p><p style="min-height:1.5em"><em><strong>This role requires commuting to the Berlin office 3 times a week.</strong></em></p><p style="min-height:1.5em"></p><h2><strong>In this role, you will:</strong></h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em"><strong>Build and maintain ML infrastructure end-to-end:</strong> Extend and operate the infrastructure that powers every model we ship — including CI/CD pipelines, model orchestration, and automated training pipelines designed to scale reliably without manual intervention.</p></li><li><p style="min-height:1.5em"><strong>Own model deployment and serving:</strong> Help define and evolve the standards and tooling for model serving, ensuring low latency and high availability across our ML services.</p></li><li><p style="min-height:1.5em"><strong>Develop core MLOps capabilities:</strong> Establish and maint...

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