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Senior Data Scientist

Israel - Tel Aviv

We’re looking for a Senior Data Scientist who can translate ambiguous product questions into measurable experiments, robust models, and data‑driven strategy. You’ll partner with engineering, product and design to unlock insights, prototype and ship machine‑learning solutions, and define the metrics that steer Genway’s AI‑powered user‑research platform. Candidates should bring 5 + years of hands‑on experience deploying production ML/AI systems, leading A/B tests at scale, and mentoring others in a fast‑moving start‑up environment. Experience with generative AI or real‑time streaming data is a major advantage.

Personal Requirements

  • Bias for action & ownership - you’re comfortable owning analyses end‑to‑end and influencing product roadmaps with data‑backed recommendations 

  • Curiosity & scientific rigor - formulate hypotheses, design experiments and measure impact with statistical discipline 

  • Strong communicator & team player – explain complex models to cross‑functional stakeholders and collaborate closely with engineers, PMs and designers 

  • Startup experience – thrive amid changing priorities and ship increments quickly to deliver business value

Technical Requirements

  • 5 + years building & deploying ML/AI models in Python (pandas, scikit‑learn, TensorFlow/PyTorch)

  • Expert SQL skills plus familiarity with modern cloud data warehouses (BigQuery, Snowflake, Redshift)

  • Statistical experimentation & causal inference - design, power and analyse A/B & multivariate tests 

  • Production‑grade data pipelines & MLOps - orchestrate batch/stream processing with tools like Airflow, Kafka or Spark; containerise and monitor models 

  • Generative AI & LLMs - fine‑tuning, prompt engineering and evaluation of transformer‑based models (nice‑to‑have but strongly valued) with tools like Sagemaker or Bedrock

  • Data visualisation & storytelling - build dashboards (e.g., Looker, Metabase) and craft narratives that drive decisions 

  • Cloud engineering - hands‑on with at least one major provider (AWS, GCP, or Azure) and infrastructure‑as‑code practices 

  • Bonus points for experience with real‑time event streams, reinforcement-learning-based personalisation, or privacy‑preserving ML 

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