Data Scientist (Moderation) at Mayflower

✨ The Stack take on this Mayflower job

• 🏢 Mayflower has 24 jobs here, 15 with visa sponsorship see all
• 🛂 Visa: Foreign Interest Company work permit. Minimum salary: €2,500 a month guide
• 💡 No salary shown. Ask Mayflower if it is above the minimum.

Updated 2026-11-03, from our data and official sources.

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About the role

Responsibilities:
- Build, train and evaluate ML models for classification, regression, clustering and time-series tasks relevant to content moderation.
- Design feature engineering pipelines and data preprocessing workflows for large, high-throughput datasets.
- Deploy and maintain production models with ML-ops partners; implement monitoring for model performance and data drift.
- Run statistical analyses, hypothesis tests and A/B experiments to validate product and model changes.
- Work with streaming and analytical systems (Kafka, ClickHouse); process and transform data with Python and SQL.
- Investigate anomalies, translate product questions into analytical tasks and communicate findings to product and engineering teams.

Requirements:
- 5+ years experience in applied data science or ML, with strong Python and SQL skills and experience in notebook-driven workflows.
- Hands-on experience with pandas and large-scale data processing; familiarity with ClickHouse or similar columnar databases.
- Experience with streaming platforms (Kafka) and working with event-driven data.
- Proficiency with ML libraries (scikit-learn, XGBoost, LightGBM) and evaluation/experiment design methods.
- Strong understanding of statistics, probability and experiment design; ability to monitor, backtest and iterate models in production.
- Clear communicator able to work cross-functionally and contribute to ML best practices.

Nice to have:
- Experience with deep learning (PyTorch/TensorFlow), computer vision, model deployment at scale or distributed processing.

Responsibilities

Develop, train, and deploy machine learning models for prediction, classification, and anomaly detection. Collaborate with cross-functional teams to build data pipelines, perform statistical analysis, and support experimentation frameworks.

Requirements

Requires 5+ years of experience with strong Python, SQL, and machine learning library proficiency. Candidates must have experience with large datasets, analytical databases, and streaming platforms like Kafka.

Key skills

• Python — in 1173 other listings on The Stack
• SQL — in 527 other listings on The Stack
• Machine learning — in 285 other listings on The Stack
• Data analysis — in 270 other listings on The Stack
• Pandas — in 33 other listings on The Stack
• ClickHouse — in 48 other listings on The Stack
• Kafka — in 167 other listings on The Stack
• Scikit-learn — in 25 other listings on The Stack
• XGBoost
• LightGBM
• Statistics
• Probability
• Experimental design
• Data preprocessing
• LLM agents
• A/B testing

On The Stack (as of 2026-11-03)

• Mayflower has 23 other listings on The Stack, 14 of them marked as offering visa sponsorship.
• 34 visa-sponsored jobs in Cyprus on The Stack, posted in the last 60 days.
• 65 visa-sponsored data scientist jobs in Europe on The Stack, posted in the last 60 days.

Frequently asked questions about Mayflower

Is this Data Scientist (Moderation) role still open?

It was posted on 2026-09-02. Listings more than 30 days old may no longer be active, so check Mayflower's site before applying.

Does Mayflower offer visa sponsorship?

This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Mayflower's site.

Where is this role located?

The listing gives the location as Cyprus. It is marked on-site.

What skills does this role ask for?

The listing names: Python, SQL, Machine learning, Data analysis, Pandas, ClickHouse, Kafka, Scikit-learn, XGBoost, LightGBM, Statistics, Probability, Experimental design, Data preprocessing, LLM agents, A/B testing.