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Added 9 mins ago
A
Vice President, EC6 Product Development
AtkinsRéalis
Mississauga, ON
- Full-time
Assemble and lead a high-performing, multidisciplinary project team across engineering, architecture, construction, and support functions.
Added 9 mins ago
CO
Director, Health, Safety, & Organizational Resilience
City of Saint John
Saint John, NB
- Full-time
The Director will lead organizational change and influence leaders at all levels of the organization to embed safety, risk management, prevention, and employee well-being into strategic and…
Added 25 mins ago
CC
Senior Manager, Salesforce Platform Architecture & Development
Canadian Cancer Society
Toronto, ON · Ottawa, ON · Montreal, QC · Quebec, QC · Prince George, BC · Vancouver, BC · Kelowna, BC · Halifax, NS · St. John's, NL · Calgary, AB
- Full-time
We are seeking a Senior Manager, Solution and Platform Architecture to lead the design, evolution, and operational excellence of our enterprise Salesforce ecosystem. This is a high-impact…
Added 1 hour ago
HT
IT Internal Auditor
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 1 hour ago
HT
VP, Accounting & Controllership (Husky)
Husky Technologies
Bolton, ON
- Full-time
Lead all global accounting, financial reporting, consolidation, controllership, and financial governance activities.
Added 1 hour ago
HT
Master Data Mgmt Analyst
Husky Technologies
Bolton, ON
- Full-time
Process master data requests in accordance with data governance policies and guidelines, within the defined service level agreements
Added 1 hour ago
HT
Internal Auditor (Business Control & IT)
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 1 hour ago
C
Senior Manager, Compensation (People & Culture) (Hybrid/Telework)
CBC/Radio-Canada
Ottawa, ON · Montreal, QC
- Full-time
Compensation Governance, Strategy & Program Management
Added 1 hour ago
T
Actuarial Analyst III - Capital
TD
Toronto, ON · Montreal, QC
- Full-time
Ensure an adequate level of governance, peer review, and challenge of the modelling process:
Added 1 hour ago
T
Channels Architect
TD
Toronto, ON
- Full-time
This role operates within the enterprise architecture governance model and is expected to lead and represent the Channels domain through all EA touchpoints:
Added 1 hour ago
C
Senior Compliance Officer, Corporate Functions Compliance
CIBC
Toronto, ON
- Full-time
…(CFC) team, serving as the primary Oversight Function (OF) Lead and reporting to the Director, Corporate Function Compliance. You will support the RCM Accountable Officer and will be…
Added 2 hours ago
ES
Senior Cloud & Infrastructure Engineer (Azure & Terraform)
EPAM Systems
Canada
- Full-time
AI-Assisted Development Governance: Leverage AI tools to accelerate development while acting as the technical authority - setting the right context, validating outputs against corporate…
Added 3 hours ago
SM
GOAPRDJP000001045 – Project Manager (IT) – Senior
S M Software Solutions Inc
AB · Edmonton, AB
- Internship
Lead training, adoption, and change management in coordination with ministry stakeholders and AI champions.
Added 5 hours ago
S
Project Manager I - BC Mental Health and Substance Use Services
Sanya’k̓ula
BC · British Columbia, Canada
- Full-time
The Project Manager serves as the primary coordination lead for assigned workstreams, ensuring alignment with overall Operational Readiness objectives and supporting governance, reporting,…
Added 6 hours ago
L
Principal AI/ML Engineer
lululemon
Vancouver, BC
- Full-time
The Enterprise Data & AI organization is a strategic and operational driver of growth for lululemon, owning and building the data and AI platforms and services that enable the enterprise to…
Added 7 hours ago
T
General Counsel
Techo-Bloc
Longueuil, QC · Saint-Hubert, Quebec
- Full-time
We're hiring our first General Counsel to build and lead the legal function at Techo-Bloc. Reporting to the CEO, you'll provide clear legal guidance, strengthen governance, and manage risk…
Added 7 hours ago
EG
Director, Business Development - Nuclear and Environment
Egis Group
Toronto, ON
- $155,000 to $180,000 CAD / year
- Full-time
Identify and pursue new opportunities across the full Egis services portfolio, build lasting client relationships, and lead the pursuit lifecycle from opportunity identification through to…
Added 7 hours ago
WA
Accounts Payable Concierge
We Are Social
Toronto, ON
- $42,000 to $52,000 CAD / year
- Full-time
…team support, and reporting directly to the Accounts Payable…
Added 7 hours ago
HT
IT Internal Auditor
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 7 hours ago
HT
Master Data Mgmt Analyst
Husky Technologies
Bolton, ON
- Full-time
Process master data requests in accordance with data governance policies and guidelines, within the defined service level agreements
Added 7 hours ago
HT
Internal Auditor (Business Control & IT)
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 7 hours ago
HT
VP, Accounting & Controllership (Husky)
Husky Technologies
Bolton, ON
- Full-time
Lead all global accounting, financial reporting, consolidation, controllership, and financial governance activities.
Added 9 hours ago
MC
Director, FinOps (35690)
Myticas Consulting
BC · British Columbia, Canada
- Full-time
Drive outcomes across Engineering and Finance primarily through influence, governance, data, and accountability rather than direct authority over technical teams.
Added 9 hours ago
MC
Technical Business Analyst – Syndigo PIM MDM (35930)
Myticas Consulting
Canada
- Contract
You will work as a co-equal lead alongside another BA, with full ownership of your workstreams. You should be able to learn new platform capabilities quickly, assess requirements…
Added 9 hours ago
MC
Senior Enterprise Information Data Architect (35902)
Myticas Consulting
Canada
- Contract
Partner with data, analytics, business and technology stakeholders to develop effective information governance processes and structures.

Upshop

Data Scientist

Mississauga, ON, Canada

$120,000 - 140,000 CAD

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Job details

Pay: $120,000 - 140,000 CAD
Posting language: English
Posted: Oct 9, 2026

Original job description

Position Overview

We are seeking an engineering-focused Data Scientist to build, operationalize, and maintain production-grade retail forecasting and optimization models. In this role, model development goes hand-in-hand with operational reliability: success is measured by accurate forecasts and stable, low-latency, deterministic pipelines running natively on the Databricks Lakehouse.

You will bridge the gap between applied data science and machine learning engineering. Working in close partnership with Product and Data Engineering, you will own the operational lifecycle of item-store level demand forecasts and downstream replenishment/optimization engines - from distributed feature pipelines to automated Databricks workflows, model tracking, and runtime monitoring.

Key Responsibilities

Production Forecasting & Optimization: Develop, calibrate, and tune time-series forecasting engines and downstream supply chain/inventory optimization logic using tree-based ensembles (LightGBM, CatBoost) and distributed Python/PySpark.
Databricks-Native MLOps: Build, schedule, and maintain automated training and batch inference pipelines using Databricks Workflows and Jobs. Leverage MLflow for robust experiment tracking, artifact logging, and model registry management.
Cross-Functional Partnership:
- With Product: Translate business requirements into technical specs, define operational SLAs, and provide technical feasibility assessments for new forecasting features.
- With Data Engineering: Establish strict data contracts, define schema validations, and optimize data ingestion/consumption patterns from upstream Delta tables.
Pipeline Quality & Stability: Treat ML pipelines as critical production software. Implement pre-inference data validation gates (e.g., schema checks, missingness thresholds, null checks) and automated alerting to prevent corrupted data from reaching scoring jobs.
Model & Pipeline Observability: Track pipeline health, monitor runtime performance, and detect feature drift, target drift, and forecast degradation across high-cardinality retail catalogs.
Software Excellence: Write modular, maintainable, and testable code. Champion version control best practices, unit/integration testing with pytest, and automated CI/CD checks within Git.
Spec-Driven Execution: Embrace a Spec-Driven Development (SDD) mindset, leveraging modern agentic AI development workflows (e.g., Cursor, Claude Code) to move rapidly from research to reliable production code.

Required Technical Skills

Tree-Based Ensembles: Hands-on experience developing, tuning, and deploying gradient boosted decision trees - specifically LightGBM and CatBoost - on high-cardinality, tabular, and time-series datasets.
Time-Series Retail Forecasting: Deep practical understanding of demand forecasting challenges: trend, seasonality, calendar events, promotional uplifts, stockouts, and intermittent/sparse demand patterns.
Databricks Platform: Proven experience building within the Databricks ecosystem, specifically authoring and managing multi-task Databricks Workflows/Jobs, navigating Delta Lake, and using MLflow across the model lifecycle.
Data Manipulation & PySpark: Strong proficiency in Python and PySpark for distributed data processing, feature engineering, and memory-conscious transformations across massive retail datasets.
Software Engineering Fundamentals: Solid understanding of clean code principles, modular package design, virtual environments, automated testing (pytest), and standard Git workflows (pull requests, branching, code reviews).

Preferred Qualifications

Optimization & Supply Chain: Familiarity with inventory optimization mechanics (safety stock calculation, reorder point modeling, lead time variability, allocation constraints).
Databricks Advanced Features: Experience leveraging Delta Live Tables (DLT), Unity Catalog for data and model governance, or Photon compute engine.
Explainable AI (XAI): Experience implementing TreeSHAP or similar interpretability methods within production batch scoring jobs.
Continuous Integration: Experience setting up or integrating with CI/CD pipelines (e.g., GitHub Actions) to automate testing and deployment into Databricks workspaces.

Cultural Alignment & Values

Production Mindset: You believe a model is only finished when it is tested, automated, monitored, and running reliably in production.
Ownership & Root-Cause Thinking: When a pipeline fails or a metric degrades, you dig into the logs, identify the root cause, write a regression test, and implement a durable fix.
Collaborative Communicator: You easily speak the language of business trade-offs with Product managers and system architecture with Data Engineers.

The estimated pay ranges for this role are as follows:

$120,000 - 140,000 CAD

The successful candidate’s starting salary will be determined based on permissible, non-discriminatory factors such as skills, experience, and geographic location.

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More about this job

Responsibilities

Develop, operationalize, and maintain production-grade retail forecasting and optimization models using Databricks. Collaborate with product and data engineering teams to manage the full lifecycle of demand forecasting pipelines and ensure system reliability.

Requirements

Requires hands-on experience with tree-based ensembles, time-series forecasting, and distributed data processing using PySpark. Candidates must demonstrate strong software engineering fundamentals and proficiency within the Databricks ecosystem.

Skills

Data Science
Python
PySpark
Databricks
Machine Learning Engineering
Time-series Forecasting
LightGBM
CatBoost
MLflow
Delta Lake
Supply Chain Optimization
Git
Pytest
CI/CD
Feature Engineering
Data Pipelines

Visa sponsorship

Not detected in the job text

Keywords

Data Scientist
Retail Forecasting
Optimization
Databricks Lakehouse
MLOps
Time-series
LightGBM
CatBoost
Python
PySpark
MLflow
Delta Lake
Supply Chain
Inventory Optimization
Feature Drift
CI/CD
Git
Pytest
Spec-Driven Development
Data Engineering
Production-grade
Distributed Systems
Data Contracts
Schema Validation
Observability
TreeSHAP
Unity Catalog
Photon
Replenishment
High-cardinality

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