Senior Software Engineer, Multiple Teams

Relay

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

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

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in full-stack software engineering with a focus on TypeScript, React, and Node.js, while driving code quality and performance improvements. Proven ability to mentor junior engineers and lead cross-functional initiatives in a fast-paced environment.

Highest-signal resume keywords

Full-Stack Software EngineeringTypeScriptReactNode.jsAWS Services

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Software Development LifecycleCode Quality ImprovementPerformance OptimizationSystem DesignContinuous Deployment

Soft Skills

MentoringCollaborationProactive Problem-SolvingFeedback ReceptionAdaptability

Tools & Technologies

AWSContinuous Deployment PipelinesJavaScript

Certifications & Qualifications

Background Check through Certn

Industry Keywords

Startup ExperienceHigh-Growth Technology Company

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
Manage production systems and optimize infrastructure
Contribute to platform availability, scalability, and resilience
Partner with Product, Design, and cross-functional teams to build customer- and business-focused solutions
Identify technical, process, and product improvements
Influence technical direction and long-term strategy
Mentor junior engineers and support team growth
Lead initiatives to improve code quality, optimize performance, and streamline development processes
Participate in live coding, system design, and interview activities as part of the hiring process

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
Ability to drive code quality, performance, and development-process improvements
Curiosity about new frameworks, best practices, and emerging technologies
Comfort working in fast-paced, dynamic environments and navigating ambiguity and change
Collaborative approach and willingness to give and receive feedback
End-to-end ownership and proactive problem-solving
Background check and employment verification through Certn required for employment
Legally authorized to work in Canada
Ability to work from the office three days a week (Tuesday, Wednesday, and Thursday)
JavaScript experience is a bonus, with primary use of TypeScript, React, and Node.js
Working knowledge of AWS services and continuous deployment pipelines is a bonus
Startup or high-growth technology company experience is a bonus

Benefits

Comp & perks

Compensation growth tied to impact, not limited to an annual review cycle
Accommodations available at any stage of the hiring process
Company perks and benefits referenced in the Candidate Hub