Data Engineer in Poland

18k - 30k PLN18 000 - 30 000 PLN/ mies./ mies.UoPUmowa o pracę (brutto)

MidOn-site·WarszawaFull-time·Umowa o pracę

#471436·Dodano 4 dni temu·1

Źródło: justjoin.it

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Tech Stack / Keywords

Python PySpark SQL BigQuery PostgreSQL AWS Databricks Kubernetes

Podsumowanie oferty

The Data Engineer will work on audience measurement and advertising analytics solutions using connected-device and media consumption data. The role supports reporting products and ingestion pipelines through data validation, partner data delivery, and workflow orchestration with SQL, Python, and Apache Airflow.

Wymagania

At least 3 years of experience as a Data Engineer.
Hands-on production experience with AWS or Databricks.
Strong SQL skills, including complex analytical queries in production using BigQuery and/or PostgreSQL.
Production-quality Python skills.
Experience authoring Apache Airflow DAGs.
Production experience with distributed processing and workflow orchestration.
Experience with API-first services and streaming or event-driven systems.
A bachelor's degree in Computer Science, Software Engineering, or a related technical field, or equivalent.
English at Upper-Intermediate level or above.

Nice to have:

Background in ad tech, audience measurement, CTV/OTT, ACR, or programmatic data flows.
Hands-on production experience with GCP.

Obowiązki

Serve as the primary data engineering point of contact for report-related questions, including data availability, metric discrepancies, and pipeline behavior.
Write and execute SQL queries in BigQuery and PostgreSQL to validate report outputs, isolate data anomalies, and confirm fixes.
Reproduce and document data issues, and coordinate with the core data engineering team on resolution.
Support ad hoc data pulls and validation requests related to reporting products.
Set up and configure cloud environments for partner data delivery, including AWS S3 buckets, IAM policies, and SFTP endpoints.
Write and maintain Apache Airflow DAGs in Python to orchestrate ingestion workflows, including scheduling, alerting, and dependency management.
Coordinate with external partners on file format specifications, delivery schedules, and test dataset requests.
Execute match tests to validate identity resolution across ingestion pipelines.
Identify and flag data quality issues in partner files before they propagate to production pipelines.

Benefity

Opportunity to earn up to an additional USD 1,000 per month, depending on expertise, through participation in company activities; this is included in the annual bonus.
Access to the corporate training portal.
Certification compensation, including for AWS and PMP certifications.
Referral program.
Private health insurance and compensation for sports activities.
Corporate events and activities, including parties, pizza days, and movies.
Fruit, coffee, snacks, and access to a PlayStation.

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Darmowe przekąski

Andersen

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