Wealthsimple is Canada’s leading financial innovator. The company offers a full suite of simple, sophisticated financial products across managed investing, do-it-yourself trading, cryptocurrency, tax filing, spending and saving. Wealthsimple currently serves more than 4 million Canadians and holds over $169 billion in assets under administration. The company was founded in 2014 by a team of financial experts and technology entrepreneurs, and is headquartered in Toronto, Canada. We are seeking an experienced and hands‑on security professional to join our Detection & Response team as a Senior Incident Response Developer. Reporting to the Manager of Detection & Response, this is a critical, technical role focused on strengthening our ability to respond to and recover from security threats. You will be a key player in investigating complex security incidents, building scalable response processes, and taking command when it matters most. The ideal candidate has a deep, technical background in hands‑on incident response and a keen eye for where automation can improve and scale our capabilities. You are a natural problem‑solver who remains composed under pressure, a senior team member who enjoys mentoring others in the craft of incident response, and a builder who can create the playbooks, scripts, and processes needed to protect our company and our customers. Help take our security incident response capabilities to the next level by building relationships with Engineering teams, new playbooks and finding opportunities for automation. Play a key role in building and shaping the Security Incident Response team. Help shape the direction of investment by informing the business of trends and relevant metrics. Partner with our Security Engineers to monitor, refine, and expand our SIEM and SOAR platforms. Coordinate with HR,



Fraud and Privacy teams to investigate potential fraudulent and sensitive activity including insider threats and snooping. Participate in an on‑call rotation for responding to security incidents, internal questions and operational support. Partner with the detection engineering function to develop new, high‑fidelity detection rules based on incident trends and threat intelligence. 5+ years of experience in the Cybersecurity domain. ~Proficiency with AI coding (Claude Code, Cursor, ChatGPT etc). We invest in tooling (automation, Slack bots, AI agents) so responders spend their energy on the decisions that matter. ~ Thinks in workflows: can look at a messy, recurring problem and break it into steps that tooling or AI can take on. ~ Demonstrates good judgment under pressure both in terms of technical problem solving and collaborating cross functionally. ~ 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
* Employee resource groups, including Rainbow (2SLGBTQ), Women of WS, and Black at WS Technology & Innovation at Wealthsimple: That means we're always looking for better ways to work
- whether that's recent tools, AI, or rethinking how we approach a problem. We don't expect you to have all the answers, but we do expect curiosity and a willingness to evolve alongside the products we're building. Inclusion Statement: We're building products for a diverse world, and we need a diverse team to do it well. We strongly encourage applications from everyone, regardless of race, religion, colour, national origin, gender, sexual orientation, age, marital status, or disability status. AI in Hiring: We may use artificial intelligence (AI) tools to support parts of our hiring process, such as reviewing applications, analyzing resumes, or assessing responses. If you have questions about how your data is used, reach out to us. #

📌 Senior Security Incident Response Developer (Toronto)
🏢 Wealthsimple
📍 Toronto