Senior Data Scientist
Cast AI · Bulgaria; Croatia; Greece; Hungary; Latvia; Lithuania; Poland; Romania; Slovakia; Ukraine
Posted about 3 months ago
or apply directly on Cast AI's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 80 days Cast AI's roles stay open a median of 81 days
- Reposted
- No
- Salary listed
- No 9% of Cast AI's roles list one
- Ghost-job risk at Cast AI
- high 29 stale, 1 reposted of 32 open
- Hiring momentum
- 39 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-10-23
Measured from postings appearing on and disappearing from Cast AI's own greenhouse board since 2026-08-03. Full hiring picture for Cast AI.
About this role
As a Senior Data Scientist at Cast AI, you will leverage data to enhance operational excellence and develop sophisticated machine learning models. Your role involves collaborating with Machine Learning and Data Engineers to implement these models in production, conducting data analysis to provide actionable insights, and designing experiments to refine models. You will also be responsible for mastering databases and ensuring alignment of data science projects with company objectives.
- benefits
- 5/5
- freshness
- 1/5
- career value
- 4/5
- role clarity
- 5/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Cast AI as an employer.
What you need
- 5+ years of hands-on experience in data science and machine learning
- Experience in training tabular and time-series models using classical machine learning and deep learning approaches
- Proficiency in building data pipelines, training models, and conducting experiments using industry-standard tools
- Advanced SQL skills, including the ability to debug complex queries and a solid understanding of OLTP vs. OLAP systems
- Exceptional analytical skills with a detail-oriented and innovative approach to challenges
- Strong verbal and written communication skills to collaborate effectively within a team
Nice to have
- Experience with cloud platforms (AWS, GCP, Azure) and container tools like Kubernetes
- Expertise in ML pipeline development, including data preprocessing, model training, deployment, and monitoring
- Familiarity with MLOps tools like MLflow or Feast
- Hands-on experience with large-scale OLAP systems such as Clickhouse, BigQuery, or Snowflake
- Knowledge of advanced techniques for handling imbalanced datasets and other complex modeling challenges
What you get
- Competitive salary (€6,500 - €9,000 gross, depending on the level of experience)
- Flexible, remote-first global environment
- Equity options
- Private health insurance
- Fast-paced workflow with quick feedback
- 10% of work time on personal projects or self-improvement
Worth weighing
- Remote work may require self-motivation and discipline
- Salary range is provided, but specifics on experience level are not detailed
- Role involves collaboration with cross-functional teams, which may vary in dynamics
Summarised from Cast AI's posting. Read the full original.
Listed by Cast AI on their greenhouse job board, last confirmed open on 2026-10-23. PitchMeAI is not the employer.
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