Location:
Warsaw, Poland Format:
On-site Seniority level:
Middle At EPC Network, we're not just a digital marketing company, we're a platform for career transformation and personal growth. Our people-first approach shapes our corporate culture, fostering a team of passionate, smart, and energetic individuals who strive to grow professionally in an international, fast-paced environment. As a
Middle Data Engineer , you'll own the pipelines, integrations, and data models within your assigned business domain — making sure the data our teams rely on is accurate, fresh, and well documented. You will work closely with the Analytics team (Data Analyst and Unit Manager) and cross-functional stakeholders, and report to the Unit Manager. Key Responsibilities:
Develop and maintain ETL/ELT pipelines within your domain, following the team's established patterns and standards Work with data from APIs, third-party platforms, and internal sources; maintain existing API integrations (pagination, authentication, retries, rate limits) Write idempotent pipelines that are safe for reruns and backfills, and adapt them to changes in source data schemas Implement and maintain data quality checks — freshness, completeness, uniqueness, nulls, accepted values Detect and resolve issues (duplicates, gaps, delays) in your area, investigate root causes, and escalat complex or cross-domain cases to Senior/Lead Build and maintain fact tables, dimension tables, and analytical marts, applying agreed naming conventions, table structures, and documentation standards Clarify dataset requirements with other teams and document your work — datasets, transformation logic, known limitations Requirements:
2–3+ years as a Data Engineer, Analytics Engineer, BI Engineer, or in a similar role Solid SQL: window functions, joins, deduplication, experience with large datasets Hands-on experience with a cloud data warehouse (BigQuery is a strong plus) Experience building or maintaining ETL/ELT pipelines — working within an existing architecture also counts Working proficiency in Python for data processing, simple API integrations, logging, and error handling Basic experience with dbt (or a similar SQL transformation framework), or readiness to ramp up quickly User-level familiarity with an orchestration tool (Airflow / Prefect / Dagster) — you don't need to architect one Understanding of pipeline monitoring, data quality checks, and basic secure data access principles (service accounts, secrets) Clean, maintainable code and the habit of documenting your work Ability to independently drive assigned tasks and escalat architectural questions when needed Nice to have:
Experience with marketing platforms, CRM, tracking, or attribution systems Familiarity with BI tools (Looker Studio, Tableau, Power BI) Experience with high-volume event-level data Experience with Git Familiarity with GCP services such as Cloud Composer and Cloud Storage What it means to be part of our Team:
Multinational and intercultural experience Growth opportunities, cutting-edge frameworks and technologies Plenty of engaging team-building and social events Bonuses according to the policy Cozy office in Warsaw, Kyiv available for you whenever you need it Coffee, tea, Red Bull, sweets, fruits, and more snacks Interested? We're always on the lookout for passionate, driven, and curious people to join our team. If that sounds like you — we'd love to hear from you!
Middle Data Engineer | Warsaw (Office) – pracodawca: EPC Network
EPC Network to dynamiczna międzynarodowa firma zajmująca się marketingiem cyfrowym, która oferuje wyjątkowe możliwości rozwoju zawodowego w Warszawie. Nasza kultura pracy opiera się na współpracy i innowacyjności, co pozwala pracownikom na zdobywanie praktycznych umiejętności w zakresie marketingu e-mailowego oraz analityki. Oferujemy elastyczne godziny pracy, wsparcie mentorów oraz dostęp do nowoczesnych narzędzi, co czyni nas doskonałym miejscem dla ambitnych osób pragnących rozwijać swoją karierę w marketingu.
