The Randstad
23 Jul 2026
Senior Data Scientist - Machine Learning logo

Senior Data Scientist - Machine Learning

Catawiki

Senior Data Scientist - Machine Learning

Catawiki seeks a Senior Machine Learning Data Scientist to build scalable data products for its online marketplace. The role involves developing production-ready ML models, collaborating with cross-functional teams, and deploying models on cloud infrastructure. Requires 5+ years of experience, Python, SQL, and ML deployment skills.

Core AIHybridFull-timeSeniorPythonSQL

Salary

Not specified

Work Location

The Randstad, Netherlands, NL

Work Model

Hybrid: minimum two days per week in the office

Experience Required

5 years

Employment Type

Full-time

Experience Level

Senior: 5+ years

Core Qualifications

Technical (Must-have)
PythonSQLMachine LearningStatisticsKubernetesDockerGitGoogle BigQueryMySQLApache SparkApache AirflowApache KafkaCI/CDPyTorchTensorFlow
Soft Skills
entrepreneurial mindsetpragmaticcollaborationproblem solvingguidance

Preferred Qualifications

Technical (Nice-to-have)
LightFMnginx

Key Responsibilities

  • Building production-ready models that apply machine learning and advanced data science techniques within our product offering by writing robust and scalable code.
  • Finding data science opportunities by exploring our extensive mobile and web data, and applying machine learning and advanced statistics to tackle these real-world business problems.
  • Being pragmatic when needed but also able to go deep into a problem, applying your expert knowledge of machine learning techniques.
  • Working with cross-disciplinary teams involving product owners, developers, UX designers, and business analysts in identifying improvements and new use cases for ML.
  • Deploy scalable models using Kubernetes on cloud infrastructure, producing real-time, asynchronous, and batch predictions.
Senior Data ScientistMachine LearningPythonSQLKubernetesAmsterdamHybridMarketplaceE-commerceData Science