Data Engineer in Poland

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Andersen is hiring a Data Engineer in Poland for a project developing large-scale analytics solutions and data platforms that transform audience and media data into actionable insights.

The company is a global technology provider delivering data analytics and AI-powered solutions that help organizations better understand customer behavior, optimize marketing performance, and make informed business decisions.

The project is focused on developing data-driven audience measurement and advertising analytics solutions powered by connected-device and media consumption data.

Responsibilities:

- Serving as the primary DE point of contact for report-related questions, including data availability, metric discrepancies, and pipeline behavior.

- Writing and executing SQL queries (BigQuery, PostgreSQL) to validate report outputs, isolate data anomalies, and confirm fixes.

- Reproducing and documenting data issues, coordinating with the core DE team for resolution.

- Supporting ad hoc data pulls and validation requests tied to reporting products.

- Setting up and configuring cloud environments required for partner data delivery, including AWS S3 buckets, IAM policies, and SFTP endpoints.

Must-haves:

- Experience as a Data Engineer for 3+ years.

- Hands-on production experience on AWS, or Databricks.

- Strong SQL (BigQuery and/or PostgreSQL) — complex analytical queries in production.

- Python at production quality.

- Apache Airflow DAG authoring.

- Distributed processing in production; workflow orchestration.

- API-first services; working experience with streaming or event-driven system.

- Bachelor's degree in Computer Science, Software Engineering, or a related technical field, or equivalent.

- Level of English – from Upper-Intermediate and above.

Nice to have:

- Background in ad tech, audience measurement, CTV/OTT, ACR, or programmatic data flows.

- Hands-on production experience on GCP.

• AWS

• Angielski

• 18k–30k PLN brutto/m (Umowa o pracę)
• Umowa o pracę - Stałe godziny pracy (100%)
• Praca zdalna: Hybrydowo
• Pakiet medyczny
• Kawa / Herbata

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, S&P Global, Ryanair, IHS Markit, TUI, Johnson & 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 & 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.