Toronto, On Lead python full stack data engineer Jobs – 142 Openings This Week

Lead Scientist - Applied ML
Canadian Tire Corporation, Ltd. —Toronto, ON
- $79,000–$131,000 a year
- Full-time
- SQL
- In-person
- Python
- Store discount
- Profit sharing
Quick apply
Performance Engineering Lead
TD Bank —Toronto, ON
- $81,600–$115,200 a year
- Full-time
- Azure
- Java
- Computer networking
- Paid time off
4h
Senior Frontend Developer
EY —Toronto, ON
- $88,000–$132,000 a year
- Computer Science
- DevOps
- Engineering
- Dental care
Senior IAM Systems Engineer, Identity Data & Workflow Engineering (Global Security)
Royal Bank of Canada —Toronto, ON
- Full-time
- DevOps
- Presentation skills
- APIs
23h
Senior Software Engineer - Postgres
ClickHouse —Toronto, ON
- On call
- Remote
- Databases
- C++
- APIs
- Paid time off
Senior ML Engineer
Invoca —Toronto, ON
- $152,000–$228,000 a year
- Remote
- Computer Science
- Engineering
- Travel
- Dental care
- Paid time off
Quick apply
PySpark Big Data Senior Developer - Vice President
Citi —Mississauga, ON
- $120,800–$170,800 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- Engineering
Associate
LatentView Analytics —Toronto, ON
- SQL
- Python
11d
Senior Staff Engineer - Product Security
Faire —Toronto, ON
- $216,000–$297,000 a year
- Java
- AWS
- IT
Senior Software Engineers
Achievers —Toronto, ON
- $117,000–$167,000 a year
- Full-time
- Hybrid work
- Computer Science
- System design
- Master's degree
- Employee assistance program
- Life insurance
Quick apply
Solution Architect
Tata Consultancy Services —Toronto, ON
- $100,000–$120,000 a year
- Azure
- APIs
- Python
Senior Software Engineer
PheedLoop Inc. —Toronto, ON
- $90,000–$110,000 a year
- Full-time
- Hybrid work
- Databases
- SQL
- AWS
Quick apply
Principal RF Engineer
Spire —Toronto, ON
- $152,000–$180,000 a year
- Hybrid work
- Doctoral degree
- Engineering
- Master's degree
- Employee stock purchase plan
- Paid time off
Software Development Manager
Lightspeed Commerce, Inc. —Toronto, ON
- $180,000–$195,000 a year
- Full-time
- Remote
- DevOps
- English
- Java
- Disability insurance
- Dental care
Quick apply
9d
Principal Cloud Security Engineer
BMO Financial Group —Toronto, ON
- $103,200–$192,000 a year
- Full-time
- Azure
- Computer Science
- DevOps
- Tuition reimbursement
- Life insurance
Data Architect
Tata Consultancy Services —Mississauga, ON
- Azure
- Oracle
- SQL
11d
Engineering Manager, Research & Development
ACV Auctions —Toronto, ON
- $136,000–$171,000 a year
- Full-time
- Computer science
- Computer Science
- Engineering
- Employee stock purchase plan
- Disability insurance
Quick apply
Lead Business Analyst I
Braze —Toronto, ON
- $121,700–$159,100 a year
- Hybrid work
- SQL
- Machine learning
- Python
- Dental care
- Paid time off
Quick apply
Staff Back End Engineer (Applications)
Forma.ai —Toronto, ON
- Java
- Databases
- SQL
- Disability insurance
- Dental care
Quick apply
Lead Risk Manager, Payment Fraud
Worthland —Greater Toronto Area, ON
- $150,000–$180,000 a year
- Full-time
- Bilingual
- SQL
- Python
Quick apply

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Lead Scientist - Applied ML

Canadian Tire Corporation, Ltd. -
Toronto, ON

Quick apply

Job details

Full-time
$79,000–$131,000 a year

Qualifications

SQL
Python

Full job description

What you’ll do

We’re looking for an Applied ML Lead Scientist who blends predictive modelling & complex analysis with AI strategy and scalable delivery. You will own high-impact models (forecasting, optimization, causal inference) and shape the patterns, platforms, and guardrails that let teams ship AI at scale (agentic workflows, MLOps). You’ll partner across Merchandising, Dealers, and Engineers to turn models into value, deployment faster, create reusable components, and measurable business outcomes.

Outcomes & KPIs (what success looks like)

· Business impact: Incremental sales & margin lift, markdown recovery ratio, inventory turns, stock-out reduction.

· Model performance: Forecast/optimization accuracy, causal validity, lift vs. baseline, drift & stability metrics.

· Scale & reuse: # of workloads on common patterns (feature/embedding stores), service reliability (SLOs), time-to-production.

· Adoption & enablement: Utilization of ML/AI features in Merch/Stores workflows, stakeholder satisfaction, training coverage.

· Governance & risk: Policy conformance, evaluation/guardrail incidents prevented, cost-to-value adherence.

Key Responsibilities

1) Predictive Modelling & Decision Science

Lead development of forecasting, price/markdown/assortment optimization, propensity and uplift models.
Design experimentation & causal inference (A/B, quasi-experiments, synthetic controls) to prove impact.
Translate complex analysis into clear decisions and playbooks for Merch, Stores, and Dealer partners.

2) AI Strategy & Scaling

Define applied AI technical direction for priority initiatives (agentic systems, recommendations).
Establish reusable patterns (prompt/agent orchestration, retrieval, evaluation) and champion platform leverage (e.g., feature/embedding stores, registries).

3) Agentic AI & Applications

Guide the build of task-oriented agents and pipelines that combine reasoning, tool use, and workflow automations.
Integrate agents into business surfaces (e.g., Teams apps, dashboards, operational tools) with safe autonomy and observability.

4) MLOps, Reliability & Cost

Partner with Engineering to productionize models/services (CI/CD, serving, monitoring, evals, rollback).
Partner with QA teams to measure and optimize latency, availability, cost-to-value, and model lifecycle

5) Governance & Risk Management

Partner with governance teams to embed AI/DS governance (data use, privacy, safety, bias, evals) into development and release processes.
Guide team to document decisions, assumptions, and model cards; drive remediation when risks surface.

6) Leadership & Influence

Lead cross-functional delivery with notable complexity/risk; mentor DS peers and analysts.
Persuade senior stakeholders with crisp narratives and quantified trade-offs

What you bring to the team

5+ years across data science & ML, including retail/operations use-cases (or adjacent large-scale domains).
Deep fluency in Python/SQL, classical ML, time-series, optimization, causal inference, and experimentation.
Practical experience with LLMs/RAG (prompt/agent orchestration, retrieval design, evals/guardrails).
Hands-on MLOps (serving, monitoring, drift detection, model registries, CI/CD) on a modern cloud stack.
Experience with Databricks/MLflow/feature stores; vector DBs; cost/perf tuning for AI workloads.
Prior work building agentic or workflow-automation systems.
Track record influencing at VP/SVP levels, translating technical complexity into business outcomes.

Our typical hiring range is between $79,000.00 - 131,000.00 CAD Annual. Salary decisions are also dependent on other factors such as your experience, job-related knowledge, skills and competencies, market location, industry benchmarks, internal equity and other role-specific requirements.

This posting represents an existing vacancy within our organization.

About Us:

Canadian Tire Corporation, Limited (“CTC”) is one of Canada’s most admired and trusted companies. With more than 90 Owned Brands, 1,700 retail locations, financial services, exemplary e-commerce capabilities, and exciting market-leading merchandising strategies. We dream big and work as one to innovate with purpose for our customers at every level of our business. We invest in new technologies and products while doubling down on top talent to drive the company forward. We offer competitive salaries and wages to CTC employees as well as store discounts, supported learning through our Triangle Learning Academy, Canadian Tire Profit Sharing, and retirement savings programs for eligible employees.

Core Values:

We are innovators and entrepreneurs at our core; outcomes drive us; inclusion is a must; we are stronger together; we take personal responsibility. It is an especially exciting time to join CTC and its family of companies where career opportunities are wide-ranging! Join us—there's a place for you here.

Our Commitment to Diversity, Inclusion, and Belonging:

We are committed to fostering an environment where belonging thrives, and diversity, inclusion, and equity are infused into everything we do. We believe in building an organizational culture where people are consistently treated with dignity while respecting individual religion, nationality, gender, race, age, perceived ability, spoken language, sexual orientation, or identification. We are united in our purpose of being here to help make life in Canada better.

Accommodations:

We stand firm in our Core Value that inclusion is a must. We welcome and encourage candidates from equity-seeking groups such as people who identify as racialized, Indigenous, 2SLGBTQIA+, women, people with disabilities, among others. Should you require any accommodation in applying for this role or throughout the interview process, please make them known when contacted so we can work with you to meet your needs.

Job Type: Full-time

Pay: $79,000.00-$131,000.00 per year

Benefits:

Dental care
Disability insurance
Employee assistance program
Extended health care
Flexible schedule
Life insurance
Paid time off
Store discount
Tuition reimbursement
Vision care
Wellness program

Work Location: In person

Quick apply

Refine Your Search

lead python full stack data engineer jobs in toronto, on

Lead Scientist - Applied ML

Performance Engineering Lead

Senior Frontend Developer

Senior IAM Systems Engineer, Identity Data & Workflow Engineering (Global Security)

Senior Software Engineer - Postgres

Senior ML Engineer

PySpark Big Data Senior Developer - Vice President

Associate

Senior Staff Engineer - Product Security

Senior Software Engineers

Solution Architect

Senior Software Engineer

Principal RF Engineer

Software Development Manager

Principal Cloud Security Engineer

Data Architect

Engineering Manager, Research & Development

Lead Business Analyst I

Staff Back End Engineer (Applications)

Lead Risk Manager, Payment Fraud

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