Senior Software Engineer

DealMaker

. Lead and deliver large software projects from technical conception through completion .

Posted 9/30/2026full-timeToronto • CanadaSenior💰 CA$145,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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

Demonstrates expertise in leading large software projects, with a strong foundation in Ruby on Rails and modern frontend frameworks. Capable of mentoring developers, driving technical excellence, and effectively communicating complex technical concepts.

Highest-signal resume keywords

Ruby On RailsAgile Software DevelopmentModern Frontend FrameworksSoftware Design PatternsMentoring Skills

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

Ruby On RailsSvelteReactVueSoftware Design PatternsJSON API DesignDatabase IndexingRequest/Model TestingFeature FlagsDebugging

Soft Skills

Excellent CommunicationProblem-SolvingAnalytical SkillsConstructive FeedbackCollaboration

Tools & Technologies

Collaboration ToolsDevTools

Certifications & Qualifications

Bachelor's Degree In Computer Science

Industry Keywords

Technical ExcellenceCode ReviewsStakeholder AlignmentTechnical DocumentationHybrid Work Setting

Tech Stack

Tools & technologies

ReactRubyRuby on RailsSvelteVue.js

About the role

Key responsibilities & impact

Lead and deliver large software projects from technical conception through completion
Raise the organization's technical excellence through community standards, best practices, and code reviews
Contribute to technical review meetings and high-impact technical decisions
Speak up about concerns and opportunities, provide constructive feedback, and participate in asynchronous work or pairing
Drive impact through thin slices of code, stakeholder alignment, technical documentation, and decomposition of initiatives into technical tasks
Mentor developers through demonstrations, guided exercises, questions, and comprehension checks
Collaborate with stakeholders and communicate technical points clearly
Support other technical leads and contribute to prioritization discussions

Requirements

What you’ll need

Understanding of software design patterns and demonstrated ability to lead and deliver large projects
Understanding of Agile software development methodologies
Experience with Ruby on Rails
Experience with modern frontend frameworks such as Svelte, React, or Vue
Experience with a variety of programming languages and technologies is a plus
Excellent communication in English
Familiarity with collaboration tools
Good mentoring skills
Strong problem-solving and analytical skills
Bachelor's degree in Computer Science or a related field, or 5+ years of industry experience, including 2+ years as a senior developer
Legally authorized to work in Canada without sponsorship
Willingness to work in a hybrid setting with 3 days in the office
Production experience using Ruby on Rails and at least one modern frontend framework within the last 2 years
Ability to diagnose and fix N+1 queries, implement pagination, and perform appropriate database indexing in Rails
Ability to design and consume JSON APIs end-to-end, including client-side handling of 4xx/5xx errors
Experience writing request/model tests and using feature flags/rollback for safe releases
Comfort debugging browser issues using DevTools and the network tab, and mapping Rails validation errors to UI forms

Benefits

Comp & perks

Opportunity to earn equity
Shared employee benefit plan (medical, vision, & dental)
AI tools to support innovative solutions
Annual learning support
Bonus with a target of 15% of base salary (performance-based variable compensation; not guaranteed)