Markham, On Engine python Jobs – 104 Openings This Week

Lead Risk Manager, Payment Fraud
Worthland —Greater Toronto Area, ON
- $150,000–$180,000 a year
- Full-time
- Bilingual
- SQL
- Python
Quick apply
GTM Engineer, Revenue Operations
ContactMonkey —Toronto, ON
- $120,000–$150,000 a year
- Call to connect
- Hybrid work
- Microsoft Outlook
- Sales
- Salesforce
8d
Fall STEM Instructor - Leaside
MakerKids —Toronto, ON
- Weekends as needed
- CPR Certification
- Working with children
- First Aid Certification
Quick apply
2d
Senior Murex Integration Specialist
Luxoft —Toronto, ON
- DevOps
- English
- Java
Murex Techno-Functional Lead
Luxoft —Toronto, ON
- Oracle
- DevOps
- English
1d
Pre-Sales Solutions Architect, Toronto
Halcyon —Toronto, ON
- Remote
- Sales
- Master's degree
- Presentation skills
Principal Software Engineer - Platform, Identity and BI
Calabrio —Toronto, ON
- On call
- Remote
- DevOps
- Java
- SQL
- Designated paid holidays
- Disability insurance
Quick apply
Senior Data Engineer
Alpaca —Toronto, ON
- Remote
- DevOps
- SQL
- APIs
Quick apply
Private Equity Senior Associate
CSC Generation —Toronto, ON
- Full-time
- Hybrid work
- Microsoft Powerpoint
- Microsoft Excel
- SQL
- Dental care
- Paid time off
Quick apply
Director of Corporate Development
CSC Generation —Toronto, ON
- Full-time
- Hybrid work
- Microsoft Powerpoint
- Microsoft Excel
- Master's degree
- Dental care
- Paid time off
Quick apply
Senior Cloud Platform Engineer
Insight Enterprises —Toronto, ON
- Remote
- Azure
- DevOps
- APIs
1d
Senior Data Architect
fgf brands —Greater Toronto Area, ON
- Full-time
- SQL
- Manufacturing
- Leadership
- Tuition reimbursement
Growth Strategy Manager- Based in Buenos Aires
FeverUp —Toronto, ON
- Full-time
- Hybrid work
- Spanish
- Engineering
- English
- Dental care
- Paid time off
Quick apply
9d

Explore jobs in cities nearby

Check out jobs in cities near your current location, Columbus

Fall STEM Instructor - Leaside
MakerKids —Toronto, ON
(Some off-site locations such as schools or community centers may also be included. Communicate with parents as needed to share student progress and enthusiasm.
Quick apply
2d

I want to receive the latest job alerts for engine python in markham, on

By signing in to your account, you agree to SimplyHired's Terms of Service and consent to our Cookie and Privacy Policy.

Explore jobs in more locations

engine python jobs near markham, on

Lead Risk Manager, Payment Fraud

Worthland
Greater Toronto Area, ON

Quick apply

Job details

Full-time
$150,000–$180,000 a year

Qualifications

Bilingual
Mandarin
R
SQL
Python

Full job description

Lead Risk Manager, Payment Fraud

Toronto Onsite | Full-Time | Hybrid after onboarding | Reports to CEO | LMIA / PNP sponsorship available

About the Client

Our client is one of Canada's fastest-growing fintech platforms, transforming how consumers pay, save, and earn rewards through a single seamless app. The company processes over USD $100M in annual transaction volume (TPV) with a base of 250,000+ users across North America, and its proprietary, fully in-house technology stack supports 500+ leading retail and brand partners. Headquartered in the Greater Toronto Area with a growing presence in Silicon Valley, the company is currently scaling at 300% year-over-year and is expanding its financial product suite into new categories.

Role Overview

Risk management at this company is not a brake on growth — it is the engine that powers it. The Lead Risk Manager will own end-to-end fraud and payment risk strategy across a multi-currency, cross-border consumer payments ecosystem, building AI-driven detection systems that automate over 90% of fraud interception and free the team from manual review cycles.

This is a builder role for a Risk Leader with hacker instincts and raw analytical horsepower — someone who can reverse-engineer fraud loops, write production-grade SQL and Python, and deploy ML models (XGBoost, LightGBM) into live risk systems. The role reports directly to the CEO and operates as the strategic liaison to global payment processors and vendors.

Key Responsibilities

• Define the rules, don't just follow them — Lead end-to-end financial risk strategies, from opportunity identification through design, testing, and post-production monitoring.

• Build AI-driven defense — Develop user behaviour scoring, anomaly detection, and automated interception models using Python/Sklearn/XGBoost/LightGBM, and deploy them into the production risk stack.

• Counter-strike fraud — Investigate anomalous activity in real time, perform root-cause analysis on chargebacks, and produce authoritative reports on emerging fraud trends across multi-currency and e-commerce flows.

• Own the data layer — Independently query large datasets in SQL to surface fraud patterns, evaluate model performance, and inform strategy adjustments.

• Strategic liaison — Act as the single point of contact between the company and external payment processors, card networks, and risk vendors, ensuring alignment on risk policy and incident response.

• Set the standard — Establish the company's long-term risk operating framework as the platform scales TPV and enters new markets.

Must-Have Requirements

• 5+ years of professional experience, with a minimum of 3 years dedicated to fraud risk and at least 1 year specifically within the payments industry.

• Hands-on experience identifying and defending against fraud across multi-currency, cross-border, and e-commerce payment environments.

• Strong reverse-engineering and problem-solving instincts — able to anticipate attacks from a fraudster's perspective.

• Expert-level SQL for independent querying of large transactional datasets; strong Python proficiency.

• 3+ years of hands-on experience building fraud detection models — feature engineering, training, evaluation, and production deployment.

• Demonstrated proficiency with Python/R modeling frameworks: Sklearn, XGBoost, LightGBM.

• Mandarin Chinese fluency (the company operates a bilingual EN/CN working environment; this is a hard requirement).

• Based in or willing to relocate to the Greater Toronto Area for the onsite onboarding period.

Nice to Have

• Prior experience at a top-tier payment processor, card network, or fintech with cross-border exposure.

• Experience leading or mentoring a small risk / data team.

• Familiarity with North American AML/KYC and consumer payment compliance frameworks.

Compensation & Logistics

• Base Salary: CAD 150K to 180k

• Bonus: Risk control performance bonus tied to fraud loss reduction and model deployment milestones.

• Work Model: Hybrid in Toronto, with a paid 1–2 month onsite onboarding period at the Etobicoke office.

• Reporting Line: Direct report to the CEO.

• Immigration Support: Full LMIA and PNP employer sponsorship for top-tier candidates, including all associated costs.

• Team: Work alongside payment industry veterans and a Harvard-affiliated founder defining the future of AI-driven financial security.

Why This Role

This is not a maintenance seat at a stagnant company. It is a builder seat at a Canadian fintech in hyper-growth, with direct CEO access, a real budget for AI tooling, and the autonomy to define the risk operating model from the ground up. For a senior risk professional who wants to operate as a general rather than an analyst, this is one of the most consequential fraud roles open in the Canadian market today.

Quick apply

Refine Your Search

engine python jobs in markham, on

Lead Risk Manager, Payment Fraud

GTM Engineer, Revenue Operations

Fall STEM Instructor - Leaside

Senior Murex Integration Specialist

Murex Techno-Functional Lead

Pre-Sales Solutions Architect, Toronto

Principal Software Engineer - Platform, Identity and BI

Senior Data Engineer

Private Equity Senior Associate

Director of Corporate Development

Senior Cloud Platform Engineer

Senior Data Architect

Growth Strategy Manager- Based in Buenos Aires

Explore jobs in cities nearby

I want to receive the latest job alerts for engine python in markham, on

Related Searches

Explore jobs in more locations

Job seeker tools

Employer Tools

Browse

Stay Connected