Senior Data Engineer (Snowflake, AWS)

Quick Facts

• Role: Senior Data Engineer (Snowflake, AWS)

Description

Senior Data Engineer to design, build, and enhance an enterprise data platform. The role focuses on Python-based ETL/ELT workflows, ingesting data from OLTP databases into Snowflake, and building scalable data models with Medallion Architecture (Bronze/Silver/Gold). You will collaborate with application developers and data consumers to understand data requirements.

Responsibilities

• Build and maintain Python-based ETL/ELT workflows for data ingestion, transformation, and validation
• Design and develop data pipelines to ingest operational database data (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 for 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

Benefits

• Stable pay
• Employee Stock Purchase Plan (15% discount)
• Benefits package (health insurance, Multisport, shopping vouchers)
• Referral bonuses up to $2,000
• Hybrid by design with opportunity to work remotely within Poland
• Chance to work abroad for up to 60 days annually; business-driven relocation opportunities
• Career development programs, mentoring, soft skills and well-being programs
• Certification support (Anthropic, Gemini, GCP, Azure, AWS)
• English classes
• Corporate, social and well-being events; offices with entertainment and relaxation zones, free snacks and coffee