senior fullstack engineer
10,000 senior fullstack engineer job listings in Canada. Find daily updated positions from leading job boards.
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Senior Software Engineer, Fullstack
5 hours ago
Hamilton, Ontario, Canada Affirm Full-timeAt affirm we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Marketplace and App Experience domain is the main pillar of our core consumer strategy, driving the user journey across all of our frontend surfaces: Mobile and Web. The teams...
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Senior Software Engineer, Fullstack
5 hours ago
Toronto, Ontario, Canada Affirm, Inc. Full-timeSenior Software Engineer, Fullstack (App Experience)Remote CanadaAt affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.The Marketplace and App Experience domain is the main pillar of our core consumer strategy, driving the user...
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Senior Software Engineer, Fullstack
5 hours ago
Victoria, British Columbia, Canada Affirm Full-timeAt affirm we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Marketplace and App Experience domain is the main pillar of our core consumer strategy, driving the user journey across all of our frontend surfaces: Mobile and Web. The teams...
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Senior Software Engineer, Fullstack
5 hours ago
London, Ontario, Canada Affirm Full-timeAt Aff… no hidden fees, no surprises, and no tradeoffs on what matters most. The Marketplace and App Experience domain is the main pillar of our core consumer strategy, driving the user journey across all of our frontend surfaces: Mobile and Web. The teams span across multiple products and areas to engage and provide value to our customers, starting with...
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Senior Software Engineer, Fullstack
9 hours ago
ca | ca Affirm, Inc. Full-timeSenior Software Engineer, Fullstack (App Experience) Remote Canada At Affinity, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Marketplace and App Experience domain is the main pillar of our core consumer strategy, driving the user...
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Senior Software Engineer, Fullstack
9 hours ago
St. John's, Newfoundland and Labrador, Canada Affirm Full-timeAt affirm we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Marketplace and App Experience domain is the main pillar of our core consumer strategy, driving the user journey across all of our frontend surfaces: Mobile and Web. The teams...
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Senior Software Engineer, Fullstack
9 hours ago
Windsor, Ontario, Canada Affirm Full-timeAt Aff… no hidden fees, no surprises, and no tradeoffs on what matters most. The Marketplace and App Experience domain is the main pillar of our core consumer strategy, driving the user journey across all of our frontend surfaces: Mobile and Web. The teams span across multiple products and areas to engage and provide value to our customers, starting with...
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Senior Software Engineer, Fullstack
12 hours ago
Winnipeg, Manitoba, Canada Affirm, Inc. Full-timeSenior Software Engineer, Fullstack (App Experience)Remote Canada At affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Marketplace and App Experience domain is the main pillar of our core consumer strategy, driving the user...
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Senior Software Engineer, Fullstack
23 hours ago
Canada Affirm, Inc. Full-time $153,000 - $213,000 ContractSenior Software Engineer, Fullstack (App Experience) Remote Canada At Affinity, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Marketplace and App Experience domain is the main pillar of our core consumer strategy, driving the user...
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Senior Fullstack Python
23 hours ago
Montreal (administrative region), QC, Canada CA004 WEPOINT Canada Développement Full-time €110,000 - €140,000 ContractWepoint à Montréal recherche un(e) Développeur(se) Full Stack talentueux(se) pour rejoindre une équipe agile et multidisciplinaire, et participer à l’ensemble du cycle de développement logiciel. Vous maîtrisez Python, JavaScript/TypeScript, React et REST, et vous travaillez avec des bases de données relationnelles et des mécanismes...
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Senior Fullstack Engineer
4 days ago
toronto, canada Giga Full-timeAbout GigaGiga has recently raised a $61M Series A and has several paying customers, including DoorDash. We’re building the next generation of customer experience — real-time AI agents that can understand emotion, resolve issues instantly, and scale across the world’s largest enterprises.It’s an exciting inflection point for the company. While we...
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Senior Fullstack Engineer
4 days ago
north york, canada Stream Full-timeSeeking a Senior Fullstack Engineer to join a 5-person Moderation team working on core stability, alerting, and AI models. Requires backend experience with Go (training provided) or other languages, scalability, Python, and occasional frontend work with React.
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Senior Fullstack Software Engineer
4 days ago
Quebec, Capitale-Nationale, Canada Affirm, Inc. Full-timeThe Marketplace and App Experience domain is the main pillar of our core consumer strategy, driving the user journey across all of our frontend surfaces: Mobile and WebThe teams span across multiple products and areas to engage and provide value to our customers, starting with the Home hub in the app or website, which expands into the various product offers...
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Senior Fullstack Engineer
4 days ago
east york, canada Stream Full-timeSeeking a Senior Fullstack Engineer to join a 5-person Moderation team working on core stability, alerting, and AI models. Requires backend experience with Go (training provided) or other languages, scalability, Python, and occasional frontend work with React.
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Senior Fullstack Engineer
4 days ago
toronto county, canada Quo Full-timeSeeking a Senior Fullstack Engineer to design and deliver end-to-end product experiences, driving growth through frontend and backend integrations. Responsibilities include rapid prototyping, experimentation, and iteration.
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Senior Fullstack Engineer
4 days ago
north york, canada Quo Full-timeSeeking a Senior Fullstack Engineer to design and deliver end-to-end product experiences, driving growth through frontend and backend integrations. Responsibilities include rapid prototyping, experimentation, and iteration.
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Senior Fullstack Engineer
4 days ago
north york, canada Giga Full-timeSeeking a Senior Fullstack Engineer to build and own features for AI agents, from backend APIs and data models to customer-facing interfaces and analytics dashboards.
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Senior Fullstack Engineer
4 days ago
toronto, canada Stream Full-timeStream uses Go for our video SFU & chat API. We power chat for many large apps like Strava, Nextdoor, Patreon, IBM, Adobe and Midjourney. In addition to Go we use CockroachDB/Postgres, RocksDB, Raft and Redis.We are willing to train you on Go if you’re experienced on a different tech stack (we have a 10‑week internal onboarding program focused on Go,...
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Senior Software Engineer, Fullstack
2 days ago
Ahuntsic North, QC, Canada Affirm Full-timeAt Aff… no hidden fees, no surprises, and no tradeoffs on what matters most.The Marketplace and App Experience domain is the main pillar of our core consumer strategy, driving the user journey across all of our frontend surfaces: Mobile and Web. The teams span across multiple products and areas to engage and provide value to our customers, starting with...
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Senior Software Engineer, Fullstack
2 days ago
Regina, Division No. 6, Canada Affirm Remote Full-time $153,000 - $213,000 ContractAt Aff… no hidden fees, no surprises, and no tradeoffs on what matters most. The Marketplace and App Experience domain is the main pillar of our core consumer strategy, driving the user journey across all of our frontend surfaces: Mobile and Web. The teams span across multiple products and areas to engage and provide value to our customers, starting with...