Data Analyst

Czym będziesz się zajmować?

Andersen is hiring a Data Analyst for a project developing a large-scale media intelligence platform that delivers real-time audience insights for the media and advertising industries.

The platform analyses consented viewership and engagement data across multiple screens, helping businesses understand audience behaviour, measure performance, and make data-driven decisions.

Responsibilities:

• Own analytical projects end to end, from stakeholder questions and scoping to actionable recommendations.
• Analyse large, complex datasets to identify audience and viewership trends and assess their commercial impact.
• Measure and report data coverage, consistency, and quality; flag material gaps to Data Science and Data Engineering.
• Define and maintain product and business metrics with cross-functional stakeholders.
• Support experiment design and interpret results, separating meaningful signals from noise.
• Build and maintain dashboards for self-service analytics.
• Write production-quality, documented SQL and Python, versioned in Git.
• Clearly document methodologies and assumptions.
• Communicate insights to technical, commercial, and senior stakeholders.
• Collaborate with Data Science, Data Engineering, Product, and commercial teams on analytical requirements and data models.

Kogo poszukujemy?

Must-haves:

• Bachelor’s degree in a quantitative field or equivalent practical experience.
• 3+ years in analytics, insights, or product analytics, independently owning analytical projects.
• Advanced SQL (complex joins, window functions, query optimization).
• Experience with billion-row datasets using Spark, Databricks, or similar.
• Strong Python for statistical analysis and reproducible workflows.
• Solid applied statistics, including sampling and hypothesis testing.
• Dashboard/data visualization experience for technical and non-technical audiences.
• Git and collaborative code review experience.
• English: Upper-Intermediate+.

Nice-to-haves:

• A/B testing or incrementality measurement.
• Knowledge graphs, taxonomies, or product/entity hierarchies.
• dbt, semantic layers, or self-service analytics modeling.
• ML concepts such as propensity, lookalike, or classification models.
• GDPR, consent, clean rooms, or privacy-preserving practices.
• TV measurement vendors (Nielsen, Comscore, iSpot, TiVo, Kinetiq).
• AI assistants in analytical workflows.

Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy/pl

Czego wymagamy?

3 lata doświadczenia na podobnym stanowisku
Znajomości:

• SQL
• Analiza danych
• Spark
• Databricks
• Python
• Testy A/B
• DBT
• ML

Mile widziane:

• Nielsen
• Comscore
• GDPR

Języki:

• Angielski

Jakie warunki i benefity otrzymasz?

• 10k–16.8k PLN brutto/m (Umowa o pracę)
• Umowa o pracę - Stałe godziny pracy (100%)
• Praca zdalna: Możliwa częściowo
• Szkolenia wewnętrzne
• Ubezpieczenie, Pakiet sportowy
• Kawa / Herbata, Zimne napoje
• Parking, Parking rowerowy

Kim jesteśmy?

Andersen – your global software development partner Andersen is a global software development company with over 18 years of experience supporting businesses worldwide in their digital transformation.

Headquartered in Poland, we operate development centers across Germany, the USA, the UK, Lithuania, Hungary, Kazakhstan, Georgia, Azerbaijan, Cyprus, and the UAE, enabling us to deliver high-impact solutions close to our customers. We offer end-to-end IT services — from custom software development, API integration, and system architecture to legacy modernization and long-term support. With deep technical expertise and a focus on business value, we build tailored, scalable, and secure digital products. Harnessing the power of AI, Machine Learning, Data Science, Big Data, and Visual Technologies, we create intelligent, future-ready solutions that support digital transformation and solve real-world business problems.

Recognized among the world’s Top 1,000 B2B service providers, Andersen has earned the trust of industry leaders. Our portfolio includes long-term partnerships with Siemens, Samp;P Global, Ryanair, IHS Markit, TUI, Johnson amp; Johnson, T-Systems, and many more. With a team of 3,700+ highly qualified experts in 16+ global locations, we have successfully delivered over 1,000 projects across industries such as Healthcare, FinTech, Logistic, Automotive,

Manufacturing, E-commerce, Multimedia amp; Entertainment and more. Driven by responsibility, client-focus, and commitment to results, Andersen is your reliable tech partner for building high-ROI, future-proof digital solutions — anywhere in the world.