Data Analyst (Live Streaming)

Location: Warsaw, Poland; hybrid schedule with 4 days in the office and 1 day working from home

Company

Live-streaming B2C platform with more than 450 million registered users, enabling creators to publish live content, engage with audiences, and monetize their talents.

What you will do

• Own the analytics for a product domain, including its metrics, events, datasets, pipelines, and experiments.
• Design and run end-to-end A/B tests, from hypotheses and success metrics to population validation, monitoring, and ship-or-don't-ship recommendations.
• Build production data transformations using SQL and YAML pipeline configuration, including freshness, uniqueness, and validity checks.
• Specify and validate product event instrumentation across Android, iOS, and Web.
• Collaborate with product managers and engineers as the analytics counterpart for product decisions.

Requirements

• Advanced SQL, including window functions, multi-source joins, and query cost analysis.
• Strong experimentation background covering hypothesis testing, confidence intervals, statistical power, minimum detectable effect, and common A/B testing failure modes.
• 3+ years of experience as a product or data analyst on consumer products, including both mobile and web.
• Experience with AI analytics tooling and the ability to validate generated results before use.
• Comfort with Git, merge requests, code review, and production pipeline code.
• English at B1 level or above, with clear written communication for specifications and stakeholder presentations.

Nice to have

• BigQuery experience, including partitioned tables, clustering, and slot-based pricing.
• Airflow, dbt, or another orchestrated transformation framework.
• Python with pandas, SciPy, or statsmodels.
• Experience with Looker, Tableau, Power BI, Soda, or Great Expectations.
• Experience in social, live-streaming, gaming, or other engagement-driven consumer products.

Culture & Benefits

• Stock options grant.
• Medical insurance for the employee and 75% coverage for relatives.
• Lunch budget, parking, and Multisport card.
• Cheerful team spirit and an office-based work environment.