Data Engineer

We are looking for a Data Engineer to join the Core Data Platform team to co-create and develop a centralized data platform used by teams across the company. In this role, you will be responsible for building scalable data integration mechanisms from various source systems, developing shared platform components and standards, and ensuring high data quality, reliability, and consistency.

Responsibilities

• Design, build, and maintain scalable data processing pipelines using SQL, Python, and Apache Spark / PySpark.
• Work with raw data and design methods for its integration into the data platform.
• Develop CI/CD pipelines for data engineering solutions.
• Create and maintain Infrastructure as Code solutions.
• Integrate the data platform with other systems and applications.
• Participate in architectural decision-making and define engineering standards.
• Conduct code reviews, document solutions, and share knowledge with team members.

Requirements

• At least 3 years of experience as a Data Engineer or in a related software engineering role.
• Proficiency in Python and the ability to write clean, testable production code.
• Hands-on experience with Apache Spark.
• Advanced SQL skills, including query optimization on large datasets.
• Strong understanding of data warehouse design principles and data modeling.
• Practical knowledge of ETL/ELT processes.
• Familiarity with data quality, monitoring, and pipeline reliability.
• Experience with relational databases, including data modeling and optimization.
• Understanding of REST and gRPC standards for system integration.
• Experience with workflow orchestration tools, such as Airflow, Dagster, or similar.
• Knowledge of CI/CD pipeline building and maintenance principles.
• Strong analytical problem-solving skills and attention to detail.
• Effective communication skills and the ability to collaborate in a team.
• Openness to learning and exploring new technologies and methodologies.

Nice to have

• Experience with dbt.
• Experience with Kafka, Pub/Sub, or other event streaming systems.
• Experience building near-real-time / real-time pipelines.
• Experience working with Infrastructure-as-Code tools.
• Understanding of CDC (Change Data Capture) and data integration from transactional systems.
• Experience with Databricks or other lakehouse platforms.

What we offer

• Real influence on the development of the company and the product.
• Work in an experienced team that is happy to share its knowledge.
• A clear vision of development through regular feedback and clear career paths.
• Regular team-building meetings.

Benefits

• A training budget for courses and conferences that interest you.
• An extra day off on your birthday.
• An extra day off for parents.
• Equipment tailored to your needs.
• Private medical care and group insurance.
• Access to an e-learning platform for learning English and a benefits platform.
• Access to a wellbeing platform and the opportunity to use workshops and private therapy sessions.
• Remote work, from the office in Warsaw, or from a coworking space in your city.