Poshmark

Data Scientist I

Poshmark

full-time

Posted on:

Location Type: Hybrid

Location: Redwood CityCaliforniaUnited States

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Salary

💰 $130,000 - $186,000 per year

About the role

  • Drive end-to-end machine learning projects - from problem formulation and data exploration to model development, evaluation, and deployment.
  • Build scalable, production-ready feature pipelines and models for use cases like personalization, recommendations and ranking.
  • Collaborate with ML engineers, product managers, and analysts to define success metrics, align on priorities, and drive impact through data science solutions.
  • Contribute to best practices in model development, experiment design, and model monitoring
  • Stay current with advances in machine learning and actively contribute ideas for innovation.

Requirements

  • 2+ years of experience in applying data science or machine learning to real-world problems in a production environment
  • Strong proficiency in Python and SQL for data analysis and model development.
  • Hands-on experience with ML libraries/frameworks like Scikit-learn, PyTorch, or TensorFlow.
  • Solid understanding of statistics, probability, and A/B testing concepts.
  • Ability to translate ambiguous business problems into well-defined, actionable data science objectives
  • Innovative problem solver with eagerness to learn, strong analytical thinking, and ability to clearly communicate complex technical ideas.
  • Experience with personalization, recommendation systems and other Machine learning algorithms.
  • Exposure to working with big data tools like Spark and cloud services (e.g., AWS, GCP).
  • Ability to quickly understand, debug and solve model post production issues
  • Familiarity and Hands on experience with LLMs or GenAI concepts like RAG, PEFT.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
machine learningdata analysismodel developmentPythonSQLScikit-learnPyTorchTensorFlowstatisticsA/B testing
Soft Skills
analytical thinkingproblem solvingcommunicationcollaborationinnovationadaptabilityprioritizationcreativitycritical thinkingdata-driven decision making