Senior Data Engineer (Freelance): Build AI‑Ready Data Warehouse

AlfaDocs.com is seeking a Senior Data Engineer (Freelance) to own data infrastructure, transform raw data into actionable insights, and drive analytics across the business. This remote, part-time role reports to the CEO and focuses on building a scalable data warehouse and robust ETL/ELT pipelines in a growing SaaS environment.

The position suits an autonomous expert with hands-on experience in data modeling, semantic layers, and AI/LLM-ready data access.

Design, build, and maintain robust ETL/ELT pipelines from multiple sources. Own data warehouse architecture, data quality, performance, and scalability. Develop clear data models and a semantic layer for reporting and analytics. Enable BI dashboards, charts, and analyses for internal teams. Integrate AI/LLM solutions with secure, contextual data access. Evaluate tech options and drive a pragmatic data strategy. Extensive Data Engineering experience and proven track record building a data warehouse from scratch. Deep expertise in ETL/ELT and scalable data warehouse architectures. Strong data modeling skills to support analytics and self-service BI. Proficiency in SQL and modern cloud data warehousing; BigQuery and Dataform experience preferred. Understanding of how to offer data to LLM-based applications with data context and security. Flexible hours Remote work