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Senior Machine Learning Engineer

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Bloomreach

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Location:
Slovakia , Bratislava

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

4500.00 EUR / Month
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Job Description:

Bloomreach is seeking a seasoned Senior Machine Learning Engineer to own the design and implementation of cutting-edge AI and GenAI driven algorithmic components for search, recommendation and behavioral insights that are used to personalize digital experiences for our customers.

Job Responsibility:

  • Design, develop, and enhance ML/AI models which mainly power Search and Recommendation
  • Process historical data, search queries, product catalog, and images to extract hidden relations and features
  • Conduct research to explore ongoing cutting-edge ML techniques (especially deep learning) and conduct a quick POC
  • Work closely with Data Engineers and Senior Data Scientists to integrate and scale ML components to a production-level that can handle terabytes of data
  • Continuously learn and stay up to date with the current state-of-the-art techniques by reading research papers and attending AI/ML conferences

Requirements:

  • BS/MS degree in Computer Science or a related discipline with a strong mathematical foundation and excellent programming skills (primarily Python)
  • Ideally at least 5 years of experience building ML-driven fast and scalable ML/analytical algorithms in a corporate/startup environment
  • Strong awareness and understanding of recent trends in Generative AI and LLMs. Experience in working with GenAI stack will be treated as strong credentials
  • Strong understanding of various machine learning and natural language processing technologies, such as classification, information retrieval, clustering, knowledge graph, semi-supervised learning and ranking
  • Excellent exploratory data analysis skills with the ability to slice and dice data at scale using SQL in Redshift/BigQuery
  • Good problem solving and analytical skills. Ability to learn and adapt to newer ML technologies
  • Exposure to deep learning stack (PyTorch/Keras/TensorFlow) and techniques (Representation/Transfer Learning, RNN/LSTM, Transformers)
  • Experience working with Big Data in a cloud based production environment (AWS/GCP/Azure)
  • Effective communication skill in English, both verbally and in written form
What we offer:
  • Restricted stock units
  • Company performance bonus
  • Great deal of freedom and trust
  • Flexible working hours
  • Virtual-first work with several Bloomreach Hubs available across three continents
  • Company events
  • 5 paid days off to volunteer
  • People Development Program
  • Personal development workshops
  • Communication coach available
  • Leader Development Program for managers
  • $1,500 professional education budget annually
  • Employee Assistance Program with counselors
  • Subscription to Calm app
  • ‘DisConnect’ days with additional day off each quarter
  • Sports, yoga, and meditation opportunities
  • Extended parental leave up to 26 calendar weeks for Primary Caregivers
  • Employee referral bonus of up to $3,000
  • Work anniversary rewards

Additional Information:

Job Posted:
December 26, 2025

Employment Type:
Fulltime
Work Type:
Remote work
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