Senior Software Developer, Financial Risk

Wealthsimple

Senior Software Developer responsible for building fraud detection systems at Wealthsimple. Contributing to financial risk management and ensuring compliance with AML regulations.

Posted 5/19/2026full-timeRemote • 🇨🇦 CanadaSenior💰 CA$151,200 - CA$189,000 per yearWebsite

Tech Stack

Tools & technologies

KotlinRubyRuby on Rails

About the role

Key responsibilities & impact

Design and build fraud detection systems that protect clients and Wealthsimple from bad actors
Own the client-facing experience for accounts affected by fraud restrictions
Build and improve internal tooling that helps our operations team investigate and resolve fraud cases efficiently
Develop risk-based product features that reflect a client's actual risk profile
Contribute to systems and processes that keep Wealthsimple compliant with anti-money laundering (AML) regulatory requirements
Work closely with product, design, and operations partners to translate complex risk logic into simple experiences

Requirements

What you’ll need

4+ years of software engineering experience, ideally in a consumer-facing product environment
Strong backend engineering skills, with a track record of building reliable, scalable systems
Experience working on fraud detection, financial risk, or other high-stakes technical domains
Comfort across the stack; experience with Ruby on Rails or Kotlin is a strong asset
Strong software quality practices: you write testable code, take production ownership seriously, and raise the bar in code review
Clear communicator who can work effectively with non-engineering partners across operations, compliance, and product
AI-first mindset; you leverage AI tools to accelerate development, improve code quality, and solve problems more effectively

Benefits

Comp & perks

Top-tier health benefits and life insurance
Long-term group savings with employer match, through Wealthsimple for Business
20 vacation days, 4 wellness days, and unlimited sick and mental health days per year
90 days away: work outside Canada for up to 90 days per year
Employee resource groups, including Rainbow (2SLGBTQ), Women of WS, and Black at WS

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

software engineeringbackend engineeringfraud detectionfinancial riskRuby on RailsKotlintestable codeproduction ownershipcode reviewAI tools

Soft Skills

clear communicatorcollaborationproblem-solvinginterpersonal skillsorganizational skills