senior software engineer backend jobs in Montreal

See average salary for senior software engineer backend »

10,000 senior software engineer backend job listings in Canada. Find daily updated positions from leading job boards.


  • Montreal, QC, Canada Tilt Full-time $130,000 - $170,000 Contract

    Join the Tilt team At Tilt, we see a side of people that traditional lenders miss. Our mobile-first products and machine learning-powered credit models look beyond credit scores, using over 250 real-time financial signals to recognize real potential. With millions of customers worldwide, we're not just changing how people access financial products - we're...


  • Montreal, QC, Canada Veeva Systems Full-time $130,000 - $225,000 Contract

    Veeva Systems is a mission-driven organization and pioneer in industry cloud, helping life sciences companies bring therapies to patients faster. As one of the fastest-growing SaaS companies in history, we surpassed $3B in revenue in our last fiscal year with extensive growth potential ahead. At the heart of Veeva are our values: Do the Right Thing, Customer...


  • Montreal, QC, Canada Affirm, Inc. Full-time $110,000 - $150,000 Contract

    Elevate your career as a Senior Backend Software Engineer with Affirm, focusing on online storage solutions in a remote-first environment. Be part of a team that builds and scales large-scale database systems. Affirm is seeking a talented senior software engineer to enhance its Data and Storage Services team. This role involves working with relational and...


  • Montreal, QC, Canada Sardine Full-time $120,000 - $190,000 Contract

    Who we are:Sardine is the leading agentic risk platform for fighting financial crime. Our integrated solution unifies data across risk teams to help organizations stop fraud in real time, prevent AI-driven attacks, and automate fraud and AML operations. Sardine’s platform is strengthened by one of the fastest-growing fraud consortiums in the market,...


  • Montreal, QC, Canada Affirm, Inc. Full-time $153,000 - $213,000 Contract

    Senior Software Engineer, Backend (Consumer) 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. Consumer Engineering builds the affirm experience millions of people use to pay over time, honestly and without hidden...


  • Montreal, QC, Canada Affirm, Inc. Full-time $153,000 - $213,000 Contract

    At Affim, 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 Capacity Modeling team ensures Affim can safely handle forecasted traffic - especially during peak sales events - by translating demand forecasts into concrete, testable...


  • Montreal, QC, Canada Affirm, Inc. Full-time $153,000 - $213,000 Contract

    Senior Software Engineer, Backend (Trust & Safety)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.Trust & Safety Engineering protects affirm’s consumers, merchants, and network from fraud and abuse. We build the...


  • Montreal, QC, Canada Joinleyla Full-time $153,000 - $213,000 Contract

    Senior Software Engineer, Backend (Marketing & Privacy)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. Marketing & Privacy Engineering (MPE) builds trusted, privacy-aware consumer web experiences and measurement systems that...


  • Montreal, QC, Canada Camunda Full-time $153,000 - $251,000 Contract

    Camunda is the enterprise platform for agentic orchestration, enabling organizations to coordinate AI agents, people, and systems across complex, end-to-end business processes. With built-in governance, auditability, and human oversight, Camunda gives enterprises the control they need to move AI from pilots to production – safely and at scale. Trusted by...


  • Montreal, QC, Canada Affirm, Inc. Full-time $153,000 - $213,000 Contract

    At Affim, 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 Data and Storage Services team is responsible for affirm's data infrastructure across OLTP and OLAP systems, spanning critical online checkout databases, batch orchestration,...


  • Montreal, QC, Canada Affirm, Inc. Full-time $153,000 - $213,000 Contract

    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. Affirm's engineering team is building a large-scale, fault-tolerant, and global infrastructure that is shared across multiple financial products, merchants, and vendors. Ensuring...


  • Montreal, QC, Canada Camunda Full-time $153,000 - $251,000 Contract

    Camunda is the enterprise platform for agentic orchestration, enabling organizations to coordinate AI agents, people, and systems across complex, end-to-end business processes. With built-in governance, auditability, and human oversight, Camunda gives enterprises the control they need to move AI from pilots to production — safely and at scale. Trusted by...


  • Montreal, QC, Canada Affirm, Inc. Full-time $153,000 - $213,000 Contract

    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.Marketing & Privacy Engineering (MPE) builds trusted, privacy-aware consumer web experiences and measurement systems that enable sustainable growth. Within MPE, the Marketing...


  • Montreal, QC, Canada Devconnectplatform Full-time $120,000 - $160,000 Contract

    # Senior Software Engineer, Backend - Platform TeamCrestaSalary not statedFull-timeremote· seniorCanada, USAgrpcllmkubernetesdockerawsgcpazureListed via Jobicy · posted 14 Oct 2026. The application happens there, not on DevConnect.Apply on Jobicy## DescriptionCresta unlocks the true potential of the customer experience, turning every conversation into a...


  • Montreal, QC, Canada New York tech Full-time $153,000 - $213,000 Contract

    # Senior Software Engineer, Backend (Capacity Modeling)AffirmRemote Canada · posted Oct 21, 2026On this pageRole detailsAbout this opportunityMore jobs at Affirm →Company profile →## Role detailsApply on the company site →## About this opportunityAt Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time,...


  • Montreal, QC, Canada Cresta Full-time $166,000 - $250,000 Contract

    Are you ready to redefine the future of work with cutting-edge AI? At Cresta, we're on a groundbreaking mission to supercharge the effectiveness of knowledge workers, making them 100x more productive, 10x faster, and 10x better.Responsibilities:Play a substantial role in the Cresta Virtual Agents engineering team.Work with Cresta product and engineering...


  • Montreal, QC, Canada Affirm, Inc. Full-time $153,000 - $213,000 Contract

    At Affir​m, 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. Affir​m's engineering team is building a large-scale, highly available, and global infrastructure that is shared across multiple financial products. Ensuring that our...


  • Montreal, QC, Canada Coinbase, Inc. Full-time $229,452 - $280,442 Contract

    At Coinbase, our mission is to increase economic freedom around the world. We’re a group of hard-working overachievers focused on building the future of finance and Web3 for our users across the globe, whether they’re trading, storing, staking, or using crypto. Think of those who lead group projects — that’s us. We look for certain qualities in all...


  • Montreal, QC, Canada Affirm, Inc. Full-time $153,000 - $213,000 Contract

    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. Identity Engineering owns the systems responsible for onboarding all consumers and managing their authentication and verification journeys across affirm’s product surfaces. In...


  • Montreal, QC, Canada Affirm, Inc. Full-time $153,000 - $213,000 Contract

    At A ffirm, 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 Data and Storage Services team is responsible for affirm's data infrastructure across OLTP and OLAP systems, spanning critical online checkout databases, batch orchestration,...