🔥 Vacancy: Data Analyst (Outstaff) 🔥 Location: RF Salary: 230,000 thousand.

We are looking for an experienced Data Analyst who can not only build charts, but also design architecture, write optimal code, and implement models into the product. If you combine DA/DS/DE skills and don't trust data until you've checked it yourself — we are on the same path!

What you will be doing: — Building mathematical models and selecting solution architecture; — Identifying growth points and "bottlenecks" of the product; — Conducting AA/AB/ABN experiments (including complex variance reduction methods); — Maintaining the codebase, CI/CD, transferring projects to production; — Mentoring Junior/Middle, task assignment; — Defending results and working closely with the business.

Our stack: 🐍 Python (PEP 8, OOP, PyTest) 📊 SQL (window functions, query plan, ACID, indexes) 🔥 PySpark (Broadcast join, Spark UI) 📈 Viz: matplotlib, seaborn, plotly / BI 🛠 Git, Docker, K8S, Grafana, Airflow

Key requirements: ✅ Specialized education or strong certificates in ML/DA. ✅ 3+ years of experience in DS. ✅ Knowledge of classical and advanced ML models (Bayesian models, PGM, RL). ✅ Advanced hypothesis testing methods (bootstrap, parametric/non-parametric, multiple testing). ✅ Experience with ETL/ETL pipelines, database design. ✅ Product analytics: decomposition of business tasks, building proxy metrics. ✅ Experience in mentoring and assigning tasks to colleagues.

Will be a plus: ✅ Writing articles and experience speaking at conferences.