13 days ago
Toronto, CanadaSenior
Responsibilities
- Design, build, and own polished, accessible, performant, production-ready user-facing features with React and TypeScript.
- Set frontend technical direction and quality standards while mentoring engineers and contributing to code reviews.
- Use AI and agentic development tools such as Claude and establish best practices for AI-assisted development.
- Build and extend Go backend services and APIs supporting frontend features when needed.
- Collaborate with business stakeholders to architect and deliver new product experiences.
- Contribute to product and technical roadmaps and the broader direction of the engineering team.
- Create and maintain user-facing technical documentation that supports product understanding and adoption.
- Help shape engineering culture and maintain high standards across the organization.
Requirements
- 7+ years of proven software engineering experience with deep frontend specialization.
- Expert-level React and TypeScript skills with strong attention to UX, performance, and accessibility.
- Demonstrated fluency with AI and agentic coding tools, such as Claude, and experience using them to improve delivery efficiency.
- Experience setting technical standards, mentoring engineers, and driving key technical decisions.
- Track record of shipping high-quality, production-grade frontend systems at scale.
- Working proficiency in Go or ability to become productive in Go quickly for backend services.
- Ability to work autonomously amid ambiguity and prioritize against business needs.
- Customer-centric approach and strong empathy for users.
- Proficient English communication skills, from casual conversations through formal reports.
- Relevant fintech, fraud, compliance, risk, or regulated-systems experience is preferred.
- Exposure to data tooling or pipelines is preferred but not required.
- Must reside in Ontario, Canada, and be legally authorized to work in Canada.
Benefits
- Remote-first work-from-anywhere culture; this position is remote in Canada on Eastern Time and limited to Ontario.
- Flexible paid time off and a year-end break.
- Health, dental, and vision coverage for employees and dependents in the US and Canada.
- 4% 401(k) or RRSP matching for US and Canada employees.
- MacBook Pro delivered to the employee’s door.
- One-time home-office setup stipend for items such as a desk, chair, and screen.
- Monthly meal and social meet-up stipends.
- Annual health and wellness stipend.
- Annual learning stipend.
- Cash and equity compensation, including early exercise for all options and pre-vested options.
Tech Stack
Categories
About Sardine
Sardine builds an integrated fraud and anti–money-laundering platform for banks, fintechs, and online businesses, combining device fingerprinting, behavioral biometrics, session telemetry, and real-time transaction monitoring, with APIs and case management to block attacks and automate reviews. Privately held and founded in 2020, it is headquartered in San Francisco. Publicly named customers include FIS, GoDaddy, Intuit, Edward Jones, ZoomInfo, and Checkout.com.