Senior Data Scientist – Personalization, Predictions

This is a fully remote position, open to applicants in Slovakia.

📋 Description

• Transform ambiguous business inquiries into quantifiable challenges

• Conduct large-scale analysis of behavioral data, product catalogs, and event streams

• Identify predictive features utilizing BigQuery and Databricks

• Construct and assess models for propensity and churn, contextual personalization, contextual bandits, autosegmentation, uplift, and incrementality

• Develop offline metrics, backtests, and A/B testing frameworks

• Investigate external methodologies, execute proofs of concept, and assess outcomes

• Transfer models and accompanying documentation to ML Engineering for implementation in production

• Articulate findings to Product, Engineering leadership, and clients

• Provide models that achieve production status and positively impact measurable business metrics

⛳️ Requirements

• Over 5 years of experience in developing ML models that have been deployed and utilized in industry

• Proficient in Python

• Strong SQL capabilities with the ability to navigate a data warehouse autonomously

• Solid foundation in classical ML techniques, including tree-based models, regression, classification, and clustering

• Expertise in experimental design and evaluation methodologies

• Familiarity with cloud data platforms, especially GCP/BigQuery and Databricks

• A quantitative degree or equivalent practical experience

• Proficient in English, both written and spoken

• Significant knowledge in at least one of the following areas: causal inference and uplift modeling; contextual bandits, sequential decision-making, or off-policy evaluation; ranking, recommendation, or information retrieval; LLM evaluation or applied GenAI projects

• Familiarity with agentic coding tools is a plus

🏝️ Benefits

• Autonomy and trust without the need for clocking in/out, corporate regulations, or lengthy approval processes

• Flexible working hours

• Virtual-first work environment with Bloomreach hubs across three continents

• Company events

• 5 paid days off for volunteering activities

• People Development Program and personal development workshops

• Support from communication coaches

• Leader Development Program that includes feedback, coaching, and follow-up check-ins

• Annual professional education budget of $1,500 for books, courses, certifications, and other educational resources

• Employee Assistance Program offering counseling services

• Subscription to Calm

• Additional DisConnect day off each quarter

• Opportunities for sports, yoga, and meditation

• Extended parental leave of up to 26 calendar weeks for Primary Caregivers

• Stock options or Restricted Stock Units based on role, seniority, and location

• Company performance bonus

• Employee referral bonus of up to $3,000

• Rewards for work anniversaries