Senior Software Developer, Book of Record

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Wealthsimple

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 2014

💳 Fintech

🏦 Banking

💸 Finance

🔥 Funding within the last year

💰 $393M Series E - Wealthsimple on 2025-10

Fintech • Banking • Finance

Wealthsimple is a Canadian financial technology company that provides consumer banking, investing, and wealth management services. It offers chequing accounts, savings, credit cards, self-directed trading (stocks, ETFs, options), cryptocurrency trading, managed portfolios, tax services, and advisory wealth management for high-net-worth clients. Wealthsimple combines digital-first banking and low-fee investing products aimed at retail customers, along with tools and educational content to support personal finance.

📋 Description

• Design, build, and operate the backend services that power balances, margin, buying power, collateral, and lending - the systems the rest of Wealthsimple trusts to be correct. • Own meaningful scope end-to-end, from technical design through to running your work reliably in production. • Solve genuinely hard problems around real-time correctness, low latency, and high availability, including keeping our systems dependable through market open and other peak moments. • Help evolve our architecture as Leverage grows - new lending products, larger scale, and an event-driven platform built on Kafka and a JVM services stack. • Raise the bar on quality and operational excellence through thoughtful design, code review, and a healthy sense of production ownership. • Mentor and grow the engineers around you - through pairing, code review, and in-the-moment feedback - and learn just as much from them in return. • Use AI-assisted tooling to ship faster and more safely. We treat building with AI as part of how we work, and we're always figuring out how to do it well.

🎯 Requirements

• Several years (5+) of professional software engineering experience, with a track record of building and operating critical production systems that people or businesses depend on. • Strong backend engineering skills and sound judgment about system design, reliability, and trade-offs. • We work primarily in Kotlin, with Kafka and GraphQL in the mix - deep experience in a comparable stack matters more than an exact match, and we'll help you ramp on ours. • Experience building services that are low-latency and highly available • You take production ownership seriously and stay calm and methodical when things go wrong. • Strong software quality habits: you write well-tested, maintainable and observable code. You make the codebase and the people around you better through your reviews. • Clear, steady communication. You work well with Product, Design, and other engineering teams, share context early, and ask questions before you're stuck rather than disappearing down a hole. • Curiosity about the "why" behind the systems - not just the code, but the financial reality it represents and the clients on the other side of it. • Enthusiasm for AI-assisted development, and interest in helping shape what excellent, rigorous AI-assisted engineering looks like on our team.

🏖️ Benefits

• 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