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TechDoQuest

Data Engineer - AI

Full Time · In Office · Brampton, Ontario (Canada)

Posted Jul 28, 2026

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  • e are looking to hire Data Engineer - AI at Brampton, ON (Onsite), immediately who has strong experience in ETL & AI agents.
  • Role Overview
  • The data backbone owner who ensures our AI systems have clean, structured, real-time data to reason over. You will design ingestion pipelines, vector indexing infrastructure, and governance layers that keep our RAG and agent memory systems accurate and compliant.
  • About the Role
  • You will architect ETL pipelines, manage vector databases, enforce governance, and build real-time data flows that continuously update embeddings and indexes. Your work ensures our AI agents operate with fresh, trustworthy information.
  • Data Pipelines: Build ETL flows for structured/unstructured data, ensuring normalization, deduplication, and semantic consistency.
  • Vector Infrastructure: Manage pgvector, Azure AI Search, Redis vector indexing, and hybrid search layers.
  • Data Governance: Implement zero-trust access, privacy controls, and compliance within AI context pipelines.
  • Real-time Processing: Build event-driven architectures that continuously refresh embeddings and indexes.
  • Required Qualifications
  • Deep experience with distributed data systems, SQL, and orchestration tools.
  • Experience tuning high-throughput database infrastructure.
  • Knowledge of Google’s GECX is a plus.
  • Familiarity with chunking strategies and embedding models.
  • Skillset Requirements
  • ETL & Data Modeling: Designing pipelines for structured/unstructured data, normalization, deduplication, and semantic consistency.
  • Vector Databases: pgvector, Redis, Azure AI Search, hybrid search, and index optimization.
  • Distributed Data Systems: Kafka, Spark, Flink, or similar event-driven architectures.
  • Data Governance: Zero-trust access, privacy controls, compliance, and auditability.
  • Real-time Embedding Updates: Event-driven refresh pipelines for RAG and agent memory systems.
  • Chunking & Embeddings: Semantic chunking, metadata tagging, and embedding model selection.
  • Search Infrastructure: BM25, hybrid search, inverted indexes, and ranking algorithms.
  • Performance Tuning: High-throughput read/write optimization.
  • Data Quality & Lineage: Validation, schema enforcement, and lineage tracking (e.g., Great Expectations, OpenLineage).

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Data Engineer - AI

TechDoQuest

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