Senior Data Engineer - AI & Data Platforms

B3 Systems; Toronto; On-site; CAD 120,000 - 170,000; Full time

Job summary

B3 Systems is seeking a Senior Data Engineer to own the analytical data layer that serves analytics, APIs, and AI features. You will design schemas and pipelines on top of client data and ensure they are correct, current, and scalable.

In this role you will drive data architecture with the ML lead and platform teams, exposing clean services and evolving the layer as the platform grows, while maintaining production-grade reliability.

Qualifications

• 5+ years of data engineering with production ownership.
• Expert SQL and data modeling.
• Strong pipeline engineering: scheduling, idempotency, monitoring.

Responsibilities

• Design and standardize the DS data layer, tables, views, aggregates, and relations built over ingested client data.
• Build and own the pipelines that keep this layer current with transformations and refresh scheduling.
• Own the quality bar for derived data and ensure correctness and stability.

Skills

SQL data modeling

Pipelines engineering

Python for data work

Production ownership

Effective communication

Job description

B3 Systems is seeking a Senior Data Engineer to own the analytical data layer that serves analytics, APIs, and AI features. You will design schemas and pipelines on top of client data and ensure they are correct, current, and scalable.

In this role you will drive data architecture with the ML lead and platform teams, exposing clean services and evolving the layer as the platform grows, while maintaining production-grade reliability.