Senior Engineer- Frontend

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Engineer- Frontend based in Canada.

This Senior Frontend Engineer role offers the opportunity to build and scale critical user-facing systems that power enterprise-grade internet intelligence products used by global organizations. You will take ownership of major frontend initiatives spanning account management, integrations, and complex data-driven interfaces that help security professionals understand and act on internet-scale insights. Working in a highly collaborative environment, you will partner closely with Product and Design to translate complex requirements into accessible, high-performance user experiences. The role emphasizes strong engineering craftsmanship, with a focus on scalable architecture, maintainability, and rigorous testing standards. You will also help define frontend best practices across the team, contributing to a high bar for accessibility, usability, and performance. This is a hands-on, impactful role where your work directly shapes tools used in high-stakes security contexts.

• Lead and deliver large-scale frontend initiatives across enterprise account management, integrations, and core platform experiences.
• Design and implement scalable, accessible, and high-performance UI components using React, TypeScript, and modern frontend frameworks.
• Collaborate closely with Product and Design teams to translate requirements into well-structured, user-centered interfaces.
• Define and maintain frontend architecture standards, including component design, state management, and data-fetching strategies.
• Ensure high-quality engineering practices through unit, integration, and end-to-end testing coverage.
• Improve accessibility compliance (WCAG standards) and ensure keyboard, screen reader, and semantic HTML support.
• Mentor engineers and contribute to raising frontend engineering maturity across the team.
• Participate in technical decision-making around performance, scalability, and frontend system design.

Requirements:

• 5+ years of software engineering experience with strong expertise in React and TypeScript.
• Proven experience delivering complex, large-scale frontend systems end-to-end.
• Strong understanding of frontend testing practices including unit, integration, and end-to-end testing.
• Solid knowledge of accessibility standards (WCAG), semantic HTML, and inclusive UI design principles.
• Experience with frontend architecture, including state management, component systems, and performance optimization.
• Ability to collaborate effectively with Product and Design stakeholders in an iterative development process.
• Strong communication skills with a pragmatic, solution-oriented mindset.
• Experience working with or contributing to design systems or shared component libraries is a plus.
• Familiarity with backend APIs and experience working in security or data-heavy domains is an advantage.

Benefits:

• Competitive salary with geographic adjustments based on location.
• Equity participation and performance-based bonus eligibility.
• Comprehensive health, dental, and vision insurance coverage.
• Retirement savings plan with company contributions.
• Flexible paid time off and supportive work-life balance policies.
• Remote-first work environment across Canada and the United States.
• Professional development stipend for learning and growth.
• Access to cutting-edge work in internet intelligence and security-focused technology.