Senior AI Data Engineer

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Description

More about us Billennium is a global technology company with over 20 years of experience, committed to innovation and empowering businesses. As an employer, we offer a supportive, growth-focused environment where collaboration and creativity thrive. Join us to shape the future of technology together! About the Role We are looking for an experienced Senior AI Data Engineer who will be supporting the development of enterprise AI solutions, copilots, and RAG-based systems. In this role, you will transform complex and unstructured business data into high-quality, AI-ready knowledge assets that power trustworthy, scalable, and efficient AI applications. What you will do Lead enterprise data discovery, cleanup, and standardization initiatives across SharePoint, document repositories, databases, and data lakes. Design and build robust ingestion pipelines for unstructured and semi-structured data, including metadata extraction, normalization, and enrichment. Create and maintain AI-ready knowledge bases optimized for retrieval, embedding, and RAG use cases using Postgres + pgvector. Define and implement data quality frameworks, evaluation processes, and feedback loops to continuously improve retrieval accuracy and trust. Ensure governance, traceability, and privacy compliance through data lineage, auditing, and PII detection/masking practices. What we are looking for 5+ years of experience in Data Engineering, Applied Data Science, or Analytics Engineering with ownership of production

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