[8BE] Data Scientist (AI + ML)
Core
Design, validate, and productionize probabilistic AI and statistical machine learning models for an e-commerce platform's pricing, segmentation, and demand use cases.
Role type
Senior IC data scientist (probabilistic AI & statistical modeling)
Builds
Probabilistic models (Bayesian, HMM, MCMC, mixture models) integrated into microservices architecture
Domain
E-commerce, statistical machine learning, probabilistic inference
Deliverable
production ML models
Required skills
Bayesian statistics/inference, Markov chains, Hidden Markov Models, MCMC methods, mixture modeling, Expectation-Maximization, Python (PyMC, Stan, scikit-learn), API/data contract design, CI/CD practices
Preferred skills
E-commerce/retail domain expertise, microservices integration (REST/GraphQL), MLOps tooling, pricing science, recommendation systems
Technologies
PyMC, Stan, scikit-learn, NumPy, SciPy
Responsibilities
Design Bayesian models for decisioning under uncertainty; Build Markov chain and HMM formulations for behavioral patterns; Apply MCMC methods for posterior estimation; Develop mixture models for customer segmentation; Translate statistical models into production service architecture; Define model lifecycle management (training, validation, monitoring); Collaborate on product roadmap for modeling initiatives; Document modeling assumptions and methodology.
Seniority
Senior, hands-on IC