Senior Software Engineer

Relay

. Own features across the full development lifecycle, including design, development, testing, deployment, and monitoring .

Posted 9/30/2026full-timeToronto • CanadaSenior💰 CA$144,000 - CA$176,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in full-stack software engineering with a focus on TypeScript, React, and Node.js, while ensuring code quality and performance. Proven ability to mentor junior engineers and drive technical direction in a collaborative, fast-paced environment.

Highest-signal resume keywords

Full-Stack Software EngineeringTypeScriptReactNode.jsAWS Services

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Full-Stack Software EngineeringCode Quality ImprovementPerformance OptimizationDevelopment Process ImprovementEnd-to-End Ownership

Soft Skills

MentoringCollaborationCreative Problem SolvingFeedback ReceptionAdaptability

Tools & Technologies

AWS ServicesContinuous Deployment PipelineGoogle Meet

Industry Keywords

High-Growth Tech CompaniesStartupsProduction Systems ManagementInfrastructure OptimizationTechnical Direction

Tech Stack

Tools & technologies

AWSJavaScriptNode.jsReactTypeScript

About the role

Key responsibilities & impact

Own features across the full development lifecycle, including design, development, testing, deployment, and monitoring
Ensure reliability and performance at scale
Manage production systems and optimize infrastructure
Contribute to platform availability, scalability, and resilience
Partner with Product, Design, and cross-functional teams to meet customer and business needs
Identify technical, process, and product improvements
Influence technical direction and long-term strategy
Mentor junior engineers and support team growth
Participate in Google Meet interviews, live coding, system design, and an in-person leadership interview

Requirements

What you’ll need

3+ years of full-stack software engineering experience
Experience leading significant components or features with minimal oversight
Experience mentoring junior engineers
Experience driving code-quality, performance, and development-process improvements
Curiosity about new frameworks, best practices, and emerging technologies
Ability to work in fast-paced, dynamic environments and navigate ambiguity and change
Collaborative approach and willingness to give and receive feedback
End-to-end ownership and creative, proactive problem solving
Background in startups or high-growth tech companies is a bonus
JavaScript experience is a bonus; primary technologies include TypeScript, React, and Node.js
AWS services knowledge and continuous deployment pipeline experience are bonuses
Legally authorized to work in Canada
Able to join the office three days a week (Tuesday, Wednesday, and Thursday)
Successful background check and employment verification required

Benefits

Comp & perks

Compensation increases with impact and is not limited to a once-a-year review cycle
Accommodations available at any stage of the hiring process