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HouseSigma is looking for a Senior Machine Learning Engineer who thrives in a dynamic start-up environment and is passionate about machine learning and technology. The ideal candidate will partner with product teams to develop ML solutions, gain deep understanding of data, and communicate complex ideas clearly. Duties include designing and validating experiments, solving real estate predictions, and enhancing algorithms to match buyers with agents. Candidates should have a Masters or Ph.D. in a quantitative field with at least 3 years of relevant experience, strong knowledge of ML techniques, and proficiency in SQL and Python. Join us in revolutionizing the real estate industry!

UnitedHealth Group is looking for a Principal Data Scientist to play a crucial leadership role in the development and implementation of advanced reporting and analytic approaches. The successful candidate will collaborate cross-functionally with various business and data analytics teams, manage multiple competing business projects, and have proven business analysis experience. Join us in our mission to help people live healthier lives while using advanced tools in a hybrid work model between our Dublin or Letterkenny offices and home-based work.

Visa is looking for a Data Scientist to join our data science team in Poland. This individual contributor role includes developing and implementing machine learning models, collaborating with business stakeholders to understand their data-driven needs, and ensuring data quality throughout all stages of data acquisition, processing, and visualization. The ideal candidate should have knowledge in data science tools, machine learning techniques, and strong communication skills.