Senior Frontend Engineer

Magnet Forensics

. Own the architecture of the AppLogic web UI and evolve it incrementally while it remains in daily use .

Posted 10/8/2026full-timeCanadaSenior💰 CA$103,000 - CA$153,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Frontend Architecture, including JavaScript, HTML, and CSS, with a focus on performance optimization and security. Proven ability to collaborate with cross-functional teams and drive frontend conventions and analytics instrumentation.

Highest-signal resume keywords

JavaScriptHTMLCSSFrontend ArchitecturePerformance Profiling

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaScriptHTMLCSSFrontend ArchitecturePerformance ProfilingFrontend TestingWeb Security FundamentalsProduct Analytics DesignReal-Time UI PatternsPython

Soft Skills

Clear Written CommunicationCollaboration

Tools & Technologies

GitJinja

Industry Keywords

Digital ForensicsLaw EnforcementSecurity ToolingBackground Check

Tech Stack

Tools & technologies

JavaScriptPython

About the role

Key responsibilities & impact

Own the architecture of the AppLogic web UI and evolve it incrementally while it remains in daily use
Set frontend conventions for structure, naming, testing, and review
Raise engineering standards through code review and pairing
Keep the UI fast and responsive as the product grows
Own product analytics instrumentation so data is consistent and useful to product management
Work with UX design to turn designs into production UI
Collaborate with product and engineering teams across the company
Treat frontend security as part of the role
Build core software for the Graykey platform, used by law enforcement and government agencies to extract data from mobile devices
Improve the mature server-rendered UI through better structure, performance, and data

Requirements

What you’ll need

Candidate must reside in Canada
Strong JavaScript, HTML, and CSS, with comfort building without a framework
Understanding of the DOM, event loop, rendering, and network
Experience improving a mature production frontend incrementally
Frontend architecture experience, including state management, component design, and module boundaries
Performance profiling and optimization for load time and runtime behavior
Frontend testing at unit, integration, and end-to-end levels
Experience with real-time UI patterns such as WebSockets or server-sent events
Web security fundamentals, including XSS prevention and safe handling of untrusted input
Comfortable reading, changing, and testing production Python, including Jinja or similar templates and dependent endpoints
Experience designing product analytics event schemas
Comfortable building for custom hardware, on-premises deployments, locked-down networks, slow or missing connections, and limited external resources
6+ years of professional engineering experience, mostly on production web frontends
Track record of setting frontend direction for a team and driving adoption of conventions
Experience working directly with product managers on scope, priorities, and trade-offs
Strong with git and code review
Clear written communication
Experience building or maintaining a component library or design system (nice to have)
Background in digital forensics, law enforcement, or security tooling (nice to have)
Satisfactory completion of a background check
US applicants must be authorized to work in the U.S. through E-Verify requirements

Benefits

Comp & perks

Generous time off policies
Competitive compensation
Volunteer opportunities
Reward and recognition programs
Employee committees & resource groups
Healthcare and retirement benefits
Learning and development support
Inclusive and accessible recruitment process and work environment
Background check conducted in accordance with applicable laws