Software Engineering Intern contributing to Tonal’s product roadmap while developing AI - assisted automation solutions. Collaborating with engineering teams to leverage new technologies and boost productivity.
About the role
- Senior Software Developer focusing on security and authentication for Wealthsimple, Canada's largest fintech company. Enhancing user trust through reliable authentication systems across web and mobile platforms.
Responsibilities
- Design and build security features that give clients control over how they access, move, and protect their money.
- Improve reliability to support 99.99% uptime across web and mobile experiences.
- Build and maintain authentication flows including passwordless login, push-based 2FA, and in-app verification prompts
- Work closely with product, security, fraud, and infrastructure teams to balance client experience with account protection.
- Prioritize delightful user experiences that minimize friction by adapting to risk signals without compromising security.
- Design systems that recover gracefully from failures and provide clear feedback to clients.
- Participate in on-call rotations for critical authentication infrastructure.
Requirements
- Experience building authentication or security features across web and mobile (iOS, Android, or React Native) at scale.
- Strong frontend skills in React or similar frameworks, with an eye for building flows that are seamless without compromising security.
- Familiarity with native device security APIs (biometrics, secure enclave, keychain, and credential storage).
- Understanding of WebAuthn, passkeys, and browser-based authentication standards.
- Comfort working across the stack—collaborating with backend teams on APIs while owning the client-side experience.
- Track record of shipping features that balance security with usability.
- Clear communication with technical and non-technical teams.
- Not afraid of support work investigating and debugging individual client authentication issues.
- Comfort with on-call duties for critical identity infrastructure.
- Nice-to-have's:
- Experience with fraud detection or risk-based authentication systems.
- Background in financial services or regulated industries.
- Experience with session management, rate limiting, and bot detection.
- Experience building permissions or authorization systems (RBAC, ABAC, delegated access).
- Understanding of Open Banking standards and third-party data sharing.
Benefits
- Top-tier health benefits and life insurance
- Long-term group savings with employer match using our Wealthsimple for Business platform
- 20 vacation days + 4 wellness days per year, and unlimited sick and mental health days
- 90 days away program: Employees can work outside of Canada for up to 90 days per calendar year
- A wide variety of peer and company-led Employee Resources Groups (e.g., Rainbow, Women of Wealthsimple, Black @ WS)
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