Senior Data Analyst — Live Platform, A/B Testing & SQL

Tango; Warszawa; On-site; PLN 160,000 - 230,000; Full time

Benefits offered by this job

Stock options

Competitive salary

Medical insurance

On-site with 4 days in office + 1 dayW

Lunch budget

Parking

Multisport card

Job summary

Tango is a market-leading live-streaming platform with 450+ million users. We seek a seasoned data/analytics professional to own data domains, manage metrics and experiments, and build robust data pipelines.

You will collaborate with product managers and engineers to drive data-driven decisions across mobile and web features. Responsibilities include end-to-end A/B testing, dataset construction, and instrumentation specification for new features.

Qualifications

• Advanced SQL with window functions and multi-source joins.
• Strong experimentation background: hypothesis testing, CI, power, MDE.
• 3+ years as a product or data analyst on consumer products (mobile and web).
• Familiar with AI analytics tooling and production pipelines.

Responsibilities

• Own a product domain's data: metrics, events, pipelines, experiments.
• Run end-to-end A/B tests for product features with clear ship/don't-ship decisions.
• Build and maintain datasets behind your domain with production-grade SQL and YAML pipelines.
• Write BI event specs for Android, iOS and Web; verify events post-release.

Skills

Advanced SQL

Experimentation

Product/data analytics

BigQuery

Airflow/dbt

English proficiency

Tools

BigQuery

Airflow

dbt

Job description

Tango is a market-leading live-streaming platform with 450+ million users. We seek a seasoned data/analytics professional to own data domains, manage metrics and experiments, and build robust data pipelines.

You will collaborate with product managers and engineers to drive data-driven decisions across mobile and web features. Responsibilities include end-to-end A/B testing, dataset construction, and instrumentation specification for new features.