> Markdown version of [/jobs/ext/1210603-machine-learning-engineer-ii-ppc](https://www.wearedevelopers.com/jobs/ext/1210603-machine-learning-engineer-ii-ppc). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Machine Learning Engineer II - PPC - **Company:** Booking Holdings, Inc. - **Location:** Amsterdam, Netherlands - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Java (Programming Language), A/B Testing, Artificial Intelligence, Airflow, Data Analysis, Big Data, BigQuery, Python (Programming Language), Machine Learning, Tensorflow, Cloudera, Software Engineering, SQL Databases, Google Cloud, Information Technology, Data Analytics, Machine Learning Operations, Programming Languages - **Published:** July 9, 2026 - **Apply:** https://www.jobbird.com/nl/vacature/24249448-machine-learning-engineer-ii-ppc ## About the Role * 3+ years of relevant work experience, involved with the application of Machine Learning Engineering to business problems in a commercial environment. * Strong skills in coding and problem solving. Proficiency in at least one programming language; preferably Python and strong command of SQL is strictly required. Knowledge of Java is a plus. * Strong working knowledge of big data retrieval and processing tools. * Demonstrable experience of multiple machine learning facets, such as working with large data sets, experimentation, scalability and optimization. * Experience running Machine Learning systems in production is a must, with knowledge on how to generate predictions for ML frameworks with high throughput. * Experience with data-driven product development: analytics, A/B testing, etc. * Experience working in a cloud environment is a plus. * Willingness to learn and understand complex and multidisciplinary business problems and concepts related to booking.com business operations especially in marketing and finance fields. * You have a 'can do' attitude and you act proactively and not reactively. * BSc or higher in Computer Science, Artificial Intelligence, Software Engineering, or related fields. * Excellent English communication skills, both written and verbal. ## Description Machine Learning, and AI in general, are integral to booking.com's goal of making it easier for everyone to experience the world. At the Performance Marketing department we are developing strategies to reach the right customers at the right time. We are developing large-scale machine learning frameworks that capture customers' intent and introduce them to a journey with Booking.com, and work on mastering our bidding and optimization mechanisms within the competitive space of the digital travel industry. This presents machine learning engineers with a unique set of challenges to build and maintain highly reliable ML infrastructure, ML data and feature processing workflows, reusable toolings and frameworks for fellow engineers and Applied ML Scientists and collaborate with coworkers from ML and Data crafts to achieve business gains via ML/Data innovations. What You'll Be Doing: * Work in a multi-disciplined, highly skilled team where you will be developing scalable production-grade data and ML pipelines across the entire ML cycle while working closely with the teams' applied machine learning scientists. * Work primarily with the Google Cloud Platform, utilizing and maintaining the infrastructure for technologies like BigQuery, DataProc, Cloud Composer, Airflow and diverse set of ML frameworks. * Be responsible for SLIs/SLOs for ML systems, ensure system and model health, monitor data quality, performance and business impact, and devise mitigation plans. * Drive a culture of quality for all ML practitioners, maintain data security, integrity and quality, and make choices over the right technologies and coding methodologies. * Identify underlying issues and opportunities across the ML development cycle and introduce tools to be used within and outside the team for efficient development and testing. * Continuously evolve your craft, keeping up to date with the latest technologies. * Collaborate with relevant ML teams across the company to improve, scale and extend machine learning tooling and infrastructure. ## Related Videos - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [Making Data Warehouses fast. A developer's story.](https://www.wearedevelopers.com/videos/302-making-data-warehouses-fast-a-developer-s-story) - [Data Governance in the Era of AI](https://www.wearedevelopers.com/videos/1622-data-governance-in-the-era-of-ai) - [AI Model Management Life Circles: ML Ops For Generative AI Models From Research to Deployment](https://www.wearedevelopers.com/videos/1152-ai-model-management-life-circles-ml-ops-for-generative-ai-models-from-research-to-deployment) ## Related Articles - [Highest Paying Tech Companies in Europe](https://www.wearedevelopers.com/magazine/162-highest-paying-tech-companies-in-europe) - [Software Developer Salary in The Netherlands [2023]](https://www.wearedevelopers.com/magazine/217-software-developer-salary-in-the-netherlands-2023) - [How to Find Tech Jobs in Amsterdam](https://www.wearedevelopers.com/magazine/279-how-to-find-tech-jobs-in-amsterdam) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [Best Companies in the Netherlands: Top 25 Companies in 2023 ](https://www.wearedevelopers.com/magazine/193-best-companies-in-the-netherlands-top-25-companies-in-2023) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)