Data Engineer (Python, SQL, Dagster, Pandas)

Company: German E-Commerce BI Solutions Provider
Engagement: Part-time to start, with clear expansion potential

About Us

We are a German-based provider of Business Intelligence solutions for the e-commerce sector. Our mission is to enable data-driven decision-making for online businesses through scalable data architectures, robust analytics pipelines, and actionable insights.

To strengthen our data team, we are looking for a hands-on Data Engineer who enjoys building reliable data pipelines and working at the intersection of engineering and analytics.
 

Your Role

As a Data Engineer, you will design, build, and maintain scalable data pipelines and data models that power our BI and analytics solutions for e-commerce clients. You will work closely with analytics, product, and business stakeholders to ensure high data quality and availability.

This role starts as a part-time engagement with strong potential to grow into a larger scope as the collaboration evolves.
 

Responsibilities

• Design, develop, and maintain robust data pipelines using Python
• Transform and process data using Pandas DataFrames
• Write and optimize complex SQL queries (SQL proficiency is a core requirement)
• Build and maintain data workflows using orchestration tools (e.g., Dagster or similar)
• Work with cloud data warehouses (e.g., Amazon Redshift or similar technologies)
• Ensure data quality, reliability, and performance across pipelines
• Collaborate with BI and analytics teams to translate business requirements into technical solutions
• Continuously improve data architecture and engineering best practices
   

Must-Have Qualifications

• Minimum 4 years of professional experience with Python, including extensive hands-on experience with Pandas
• Strong, production-level SQL skills (natural prerequisite for the role)
• Solid understanding of data modeling and ETL/ELT processes
• Experience building and maintaining data pipelines in a professional environment
• Ability to work independently in a part-time setup and take ownership of deliverables
   

Nice-to-Have

• Experience with Amazon Redshift
• Experience with Dagster
• Experience with other SQL dialects beyond Redshift
• Experience with orchestration tools such as Airflow or similar
• Background in e-commerce, BI, or analytics-driven environments
• Familiarity with cloud-based data architectures
   

What We Offer

• Flexible part-time engagement with scalability toward a larger role
• Remote setup
• High impact in a growing e-commerce BI environment
• Opportunity to shape and improve modern data architecture
• Collaborative, pragmatic, and engineering-focused culture