Senior Site Reliability Engineer
Wealthsimple
Software Engineering
Canada
Posted on Dec 10, 2025
Your career is an investment that grows over time!
Wealthsimple is on a mission to help everyone achieve financial freedom by reimagining what it means to manage your money. Using smart technology, we take financial services that are often confusing, opaque and expensive and make them transparent and low-cost for everyone. We’re the largest fintech company in Canada, with over 3+ million users who trust us with more than $100 billion in assets.
Our teams ship often and make an impact with groundbreaking ideas. We're looking for talented people who keep it simple and value collaboration and humility as we continue to create inclusive and high-performing teams where people can be inspired to do their best work.
About the team - Clients & Accounts
The Clients & Accounts domain at Wealthsimple oversees the broad and important mandate of growing our client base while ensuring the reliability, performance, and scalability of our core systems. We acquire and guide clients through their onboarding journey so that they can seamlessly open and fund their accounts — most often we do this with no human intervention and in hours not days! To accomplish this, we’ve built industry-leading technology focused on automation and integrate various third-party technologies.
About the role - Site Reliability Engineer
As a Site Reliability Engineer, you’ll work as part of the Clients & Accounts Domain, acting as a liaison with the Infrastructure and Platform team. The role is critical for leveraging Infraplat's tools to ensure 100% uptime, reliability, and scalability for our critical-tier systems. Key responsibilities include identifying and addressing infrastructure gaps, advocating for team needs to Infraplat, and making the system robust to prevent production issues. Ultimately, this SRE will boost developer productivity by facilitating quick, confident code shipping and enhancing system observability and health.
Requirements
- Experience with Ruby / SQL / AWS / Kubernetes
- Proven experience building and operating highly reliable and scalable services, with a strong focus on system stability.
Within 1 month, you'll
- Learn about the foundations of Wealthsimple, and our current reliability goals for the future that you will start to shape.
- Meet other new Wealthsimplers in your onboarding group and key people from each department, to start to build relationships across the company.
- Gather an understanding of our technology by pair-programming with your teammates and attending engineering onboarding sessions designed and presented by your peers.
- Have an assigned buddy within your team that will assist you in getting up-to-speed with our architecture, monitoring systems, and current reliability projects.
Within 3 months, you'll
- Learn Wealthsimple’s technical stack and apply our development patterns and best practices through your work, with an emphasis on production-readiness.
- Buddy up for your first on-call rotation to help identify and resolve production issues and bugs clients have experienced.
- Contribute to and support our core infrastructure and automation tools and share your work with the team.
- Learn how to query our data to measure the impact of your reliability improvements.
- Support over a million clients on their financial journey by shipping your first automation or infrastructure project in a secure, and scalable way. 🚀
Within 6 months you'll
- Reliably ship new features or system improvements to our clients, following our best practices such as shipping daily, writing automated tests, and enhancing production monitoring.
- Contribute to or lead the technical design of a reliability project, while understanding how it will shape our future architecture and operational posture.
- Collaborate with other developers on the team while mentoring and providing continuous feedback via code reviews, focusing on code quality and operational excellence.
- Develop a big picture perspective and understand how our tools and frameworks come together.
- You’ll feel comfortable contributing to various codebases.
Within 12 months, you'll
- Lead your first large-scale reliability project: planning, scoping, and regularly communicating progress to stakeholders to ensure the quality and timelines.
- Have provided leverage to our engineering teams by shipping new best practices and tools for all to benefit from, significantly improving development velocity and system stability.
- Participate in our hiring process and shape the growth of the Engineering team.
- Have worked closely with our product and design teams, contributing your own feedback and opinions on design and UX from a reliability and performance perspective.
Why Wealthsimple?
🤑 Competitive salary with top-tier health benefits and life insurance
📈 Retirement savings matching plan using Wealthsimple for Business
🌴 20 vacation days per year and unlimited sick and mental health days
📚 Up to $1,500 per year towards wellness and professional development budgets respectively
🛫 90 days away program: Employees can work internationally in eligible countries for up to 90 days per calendar year
🌎 A wide variety of peer and company-led Employee Resource Groups (ie. Rainbow, Women of Wealthsimple, Black @ WS)
💖 Allocated number of Wellness Days that can be scheduled over the course of the year!
We’re a remote-first team, with over 1,000 employees coast to coast in North America. Be a part of our Canadian success story and help shape the financial future of millions — join us!
Technology & Innovation at Wealthsimple
We believe the future belongs to those who innovate boldly. At Wealthsimple, every team member is expected to lean into new technologies, including AI, and tooling to rethink how we work, solve problems faster, and create even greater value. We're looking for people who are not just comfortable with change but energized by it. Our commitment is to build a company that evolves at the pace of the world around us, and we want you to help lead that future.
DEI Statement
At Wealthsimple, we are building products for a diverse world and we need a diverse team to do that successfully. We strongly encourage applications from everyone regardless of race, religion, colour, national origin, gender, sexual orientation, age, marital status, or disability status.
Accessibility Statement
Wealthsimple provides an accessible candidate experience. If you need any accommodations or adjustments throughout the interview process and beyond, please let us know, and we will work with you to provide the necessary support and make reasonable accommodations to facilitate your participation. We are continuously working to improve our accessibility practices and welcome any feedback or suggestions on how we can better accommodate candidates with accessibility needs.
