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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Machine Learning Scientist I - Performance Marketing - **Company:** Booking.com - **Location:** Amsterdam, Netherlands - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Big Data, Data Visualization, Apache Hadoop, Python (Programming Language), Machine Learning, Rapid Prototyping Process, Software Deployment, Software Engineering, SQL Databases, Feature Engineering, Apache Spark, Information Technology, Machine Learning Operations, Programming Languages - **Published:** May 28, 2026 - **Apply:** https://nl.indeed.com/viewjob?jk=1f38d90e24c05091 ## About the Role Do you have experience in Spark?, Do you have a Master's degree?, * Ability to design an applied research plan for a product family from scratch as evidenced by peer-review publication or similar track record. * Strong relevant work or academic experience (MSc + 5 years of working experience, or PhD + 2 years), involved in the development and application of Machine Learning. * Masters degree, PhD or equivalent experience in a quantitative field (e.g. Computer Science, Mathematics, Artificial Intelligence, Physics, etc). * Experience on multiple machine learning facets: working with large data sets, model development, statistics, experimentation, data visualization, optimization, software development. * Experience collaborating cross functionally in the development of machine learning products (e.g. Developers, ML Engineers, Product Managers, etc). * Strong working knowledge of Python, Hadoop, SQL, Spark or similar big data technologies. * Prior experience with Feature Engineering * Prior experience in the Fraud domain is a plus. * Fluency in at least one programming language, with a strong preference for Python. * Excellent English communication skills, both written and verbal; the ability to convey your message to team members and other stakeholders. ## Description Role Description: As a Senior Machine Learning Scientist, you'll have the chance to work on diverse marketing surfaces and play an integral role in taking our bidding algorithms to the next level across verticals. You'll have the chance to collaborate closely with other machine learning scientists, scientists, engineers, developers, and various business stakeholders and take full ownership of your work - from the initial idea generation phase to the implementation of the final Machine Learning product. You will thrive at Booking.com if you are result-focused, innovative, and with a solid quantitative background, but most of all by understanding our complex business problems and the customer-centric approach we apply to solve these problems., * Develop the strategy and execution plan for implementing company-wide ML Systems Quality improvement programs. * Collect, assess and develop good practices for ML Systems across the company. * Identify opportunities to improve our Machine Learning Systems Development Processes. * Translate quality related ideas into actionable capabilities and safeguards for our Machine Learning Platform. * Independently define and build proof-of-concepts to test new ideas and demonstrate their potential value to relevant stakeholders. * Build readable and reusable code, choosing the right technologies, coding methodologies, and approach from carefully designed rapid prototyping to software deployment at scale. * Maintain a highly cross-disciplinary perspective, solving issues by applying approaches and methods from across a variety of ML/AI disciplines and related fields. Coach others through evidence and clear communication, explaining advanced technical concepts in simpler terms. * Identify underlying issues and opportunities across domains and situations through application of structured thinking and logic, and drive concrete improvements. Guide and support colleagues dealing with complex scenarios. * Continuously evolve your craft by keeping up to date with the latest developments in ML/AI and related technologies, introducing them to the machine learning community and promoting their application. * Actively contribute to Machine Learning at Booking.com through training, exploration of new technologies, interviewing, onboarding and mentoring colleagues. * Push for improvements, scaling and extending machine learning tooling and infrastructure, collaborating with business specific teams. ## Related Videos - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [Let's Get Aggregated: Custom UDAFs in Spark ](https://www.wearedevelopers.com/videos/1649-let-s-get-aggregated-custom-udafs-in-spark) - [Why and when should we consider Stream Processing frameworks in our solutions](https://www.wearedevelopers.com/videos/1085-why-and-when-should-we-consider-stream-processing-frameworks-in-our-solutions) - [Modern Data Architectures need Software Engineering](https://www.wearedevelopers.com/videos/1030-modern-data-architectures-need-software-engineering) ## 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) - [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) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam) - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany)