UC
Middle Data Scientist
5.0/10
Unknown Company
Not specified
Remote
mid
about 3 hours ago
aidataPythonSQLGitPyTestSpark 2.2+GrafanaAirflowmatplotlibseabornplotly
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Description
We are looking for a Middle Data Scientist with at least 2 years of experience in data science, proficient in Python and SQL, and familiar with machine learning techniques.
Requirements
Requirements
- •Relevant education/certifications in data analysis and machine learning.
- •2+ years of experience in data science.
- •Proficient in Python (PEP 8).
- •Ability to write optimal code in terms of time and memory.
- •Debugging and code optimization skills.
- •Development through testing.
- •Strong understanding of OOP.
- •Basic SQL skills (join, group by).
- •Experience with relational databases.
- •Experience with PySpark (broadcast join, Spark UI).
- •Knowledge of window functions.
- •Ability to identify non-optimal queries.
- •Familiarity with basic probability theory and statistics.
- •Understanding of A/B testing concepts and hypothesis testing.
- •Ability to solve simple problems in probability theory, statistics, and logic.
- •Knowledge of classical ML methods.
- •Understanding the full cycle of conducting A/B tests.
- •Proficiency in hypothesis testing methods: multiple hypothesis testing, parametric/non-parametric methods, bootstrap.
- •Study and implementation of advanced ML models: Bayesian models, PGM, VBI, RL, etc.
- •Presentation of analytical findings and validated hypotheses.
- •Understanding of key product metrics and their features, translating business tasks into DS/DA/DE, and decomposing complex business tasks into proxy metrics.
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