Senior Software Developer, Platform Experience

Wealthsimple

Senior Software Developer improving reliability across Wealthsimple's products with a focus on preventing production issues. Collaborate directly with product engineers to enhance user experience and security.

Posted 4/17/2026full-timeRemote • 🇨🇦 CanadaSenior💰 CA$151,200 - CA$189,000 per yearWebsite

Tech Stack

Tools & technologies

KotlinRubyRuby on RailsTypeScript

About the role

Key responsibilities & impact

Partner directly with product engineers to diagnose and resolve production issues, building solutions that prevent recurrence.
Take end-to-end ownership of system components, designing with reliability and maintainability as primary concerns.
Contribute to platform tools and frameworks that help all engineers ship reliably.
Collaborate with Platform, Product, and Data partners to align technical decisions with client needs.
Help establish technical standards and best practices for development at Wealthsimple.

Requirements

What you’ll need

6+ years of software development experience building products with demonstrated growth in technical scope and autonomy.
Experience in optimizing platform engineering and/or infrastructure.
Knowledge of 2 or more of the following languages: Ruby on Rails / TypeScript / Kotlin.
Experience using LLMs to drive broad changes across codebases (Claude).
Strong problem-solving skills with the ability to tackle complex issues across multiple systems and keen interest in getting to the root cause.
Experience designing and maintaining production systems with high availability requirements.
Strong communication and collaboration skills.

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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Hard Skills & Tools

Ruby on RailsTypeScriptKotlinplatform engineeringinfrastructure optimizationproduction systems designhigh availabilityLLMsproblem-solvingtechnical standards

Soft Skills

communicationcollaborationownershipreliabilitymaintainabilitydiagnosisresolutioncomplex issue tacklingclient alignmentbest practices