Senior Full Stack Engineer

StackAdapt

. Advise the team on pragmatic technical approaches that encourage engineering excellence and developer happiness .

Posted 11/1/2026full-timeRemote • CanadaSenior💰 CA$170,400 - CA$234,300 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in architecting scalable web APIs and full-stack technologies, with a strong focus on performance optimization and user experience. Proven ability to mentor teams and lead modernization efforts while collaborating effectively with cross-functional teams.

Highest-signal resume keywords

Full-Stack TechnologiesReactTypescriptGraphQLRuby on Rails

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Web Application DevelopmentPerformance OptimizationTest Driven DevelopmentCode ReviewTechnical Specification Review

Soft Skills

MentoringCollaborationProblem Solving

Tools & Technologies

Relational DatabasesKey-Value StoresBackend Systems

Industry Keywords

Engineering ExcellenceTechnical Debt ConsolidationAI-Powered AdvertisingDeveloper Ecosystem

Tech Stack

Tools & technologies

GraphQLReactRubyRuby on RailsTypeScriptGo

About the role

Key responsibilities & impact

Advise the team on pragmatic technical approaches that encourage engineering excellence and developer happiness
Structure coherent and iterative actionable plans toward delivering effective solutions
Architect scalable web APIs, component libraries and backend systems serving roadmap goals
Collaborate with Data Science, Product & Design, and senior engineers to identify and solve technical challenges
Advise teams on technical debt consolidation
Mentor the team and lead by example on software development best practices
Conduct rigorous code and technical specification reviews
Identify bottlenecks and system-wide performance issues and offer actionable solutions
Contribute significantly to critical projects that deliver customer value
Help lead the growing full-stack engineering team across AI-powered advertising experiences or the Developer Ecosystem

Requirements

What you’ll need

6+ years of experience building highly performant web applications with outstanding UX
Knowledge of full-stack technologies: React, Typescript, GraphQL, Ruby on Rails and Go is highly preferred
Extensive experience working with a test driven approach to writing code with one or more core full-stack or comparable technologies
Experience collaborating closely with Product & Design to design, implement and iterate on high impact end-to-end product experiences
Experience working with relational databases and key-value stores
Experience analyzing, benchmarking and optimizing web application performance across the entire stack
Experience leading large scale modernization efforts to revamp legacy systems from start to finish
Appetite for unpacking complexity and simplifying it wherever possible

Benefits

Comp & perks

Highly competitive salary
Retirement/ 401K/ Pension Savings globally
Competitive Paid time off packages including birthday's off!
Access to a comprehensive mental health care program
Health benefits from day one of employment
Work from home reimbursements
Optional global WeWork membership for those who want a change from their home office and hubs in London and Toronto
Robust training and onboarding program
Coverage and support of personal development initiatives (conferences, courses, books etc)
Access to StackAdapt programmatic courses and certifications to support continuous learning
An awesome parental leave program
A friendly, welcoming, and supportive culture
Our social and team events!