Senior Data Engineer (Snowflake, AWS)
Summary
Build and maintain Python-based ETL/ELT pipelines to move data from OLTP systems into Snowflake, then model it for analytics using Medallion Architecture.
We are looking for a Senior Data Engineer to support the design, development, and enhancement of our client’s enterprise data platform. The ideal candidate is a hands-on data engineer with strong experience building data pipelines, integrating data from operational databases, and working with modern cloud data warehouses.
Responsibilities
- Build and maintain Python-based ETL/ELT workflows for data ingestion, transformation, and validation
- Design and develop data pipelines to ingest data from operational databases (PostgreSQL, Microsoft SQL Server, and other OLTP systems) into Snowflake
- Develop scalable and performant data models in Snowflake.
- Implement and maintain Medallion Architecture (Bronze, Silver, Gold) data models to support analytics and downstream applications.
- Collaborate with application developers, business users, and data consumers to understand data requirements
Requirements
- 3+ years of hands-on data engineering experience.
- Strong Python programming skills with experience building ETL/ELT pipelines.
- Solid SQL skills, including query optimization and data modeling.
- Strong experience with Snowflake.
- Experience integrating data from OLTP databases, including PostgreSQL and Microsoft SQL Server
- Experience implementing Medallion Architecture (Bronze, Silver, Gold) or similar layered data lake/lakehouse models.
- Excellent communication and collaboration skills
Nice to have
- Experience with orchestration tools such as Airflow, Dagster, or Prefect.
- Experience with cloud platforms (AWS preferred).
- Familiarity with dbt or similar transformation frameworks
- Experience with CI/CD for data engineering workflows
Benefits
We gather like-minded people:
- Top tech minds driving innovation in AI, cloud and digital platform modernization
- Supportive team and agile, startup-like culture
- Hybrid by design mode and opportunity to work remotely within Poland
- Chance to work abroad for up to 60 days annually
- Business-driven relocation opportunities
We provide growth opportunities:
- Career development programs
- Thought leadership, mentoring, soft skills and well-being programs
- Certification (Anthropic, Gemini, GCP, Azure, AWS)
- English classes
We cover it all:
- Stable pay
- Participation in the Employee Stock Purchase Plan with a 15% discount
- Benefits package (health insurance, multisport, shopping vouchers)
- Referral bonuses up to $2,000
- Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more
- Corporate, social and well-being events
Please, note:
- Benefits listed above are available to employees only
- We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually
- We will reach out to selected candidates exclusively