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Senior Snowflake Developer - Python Data Architect.

Senior Snowflake Developer - Python Data Architect.

On site

Toronto, Canada

Senior

Freelance

09-02-2026

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Skills

Python SQL GitHub CI/CD DevOps Azure Data Factory Architecture git Azure AWS Cost Management Pandas Analytics Snowflake GitHub Actions

Job Specifications

Role: Senior Snowflake Developer - Python Data Architect.

Location: Toronto, ON (Onsite).

Duration: Long Term Contract.

Job Overview

Design and own enterprise Snowflake platforms processing petabyte-scale analytics workloads. This senior role architects data models, optimizes query performance at scale, and builds production Python pipelines ensuring 99.99% reliability for business-critical analytics.

Snowflake Architecture Ownership:

Data Warehouse Design: Multi-warehouse sizing, clustering keys, materialized views.
Advanced Features: Snowpark Python UDFs, streams/tasks, zero-copy cloning.
Performance Engineering: Query acceleration, search optimization, auto-clustering.
Security & Governance: RBAC, dynamic data masking, secure views, Time Travel.
Data Sharing: Cross-account sharing, secure data marketplaces.

Python Pipeline Mastery:

ETL/ELT: Snowpark DataFrames, Python stored procedures, external functions.
Integration: Snowflake Connector, Pandas optimization, Arrow serialization.
Automation: Dynamic warehouse sizing, query tagging, resource monitors.
Validation: Great Expectations integration, reconciliation logic.

Production Impact:

Query Optimization: 100x performance gains through clustering + materialized views.
Pipeline Reliability: 99.99% success rate across 10K+ daily jobs.
Cost Management: 40% credit reduction through warehouse autoscaling + query pruning.
Data Freshness:

About the Company

VDart Digital (formally known as Dimiour) is a technology and innovation-led company that empowers global enterprises to accelerate digital transformation and drive intelligent enterprise outcomes. We help businesses reimagine their digital core through our strategic solutions in cloud, cybersecurity, data analytics, enterprise platforms, and managed services, creating scalable impact and future-ready operations. As part of the VDart Group, we combine deep industry expertise with a global delivery model and a proven track ... Know more