senior backend software engineer jobs in Ottawa

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6,351 senior backend software engineer job listings in Canada. Find daily updated positions from leading job boards.


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Affirm Full-time

    Drive innovation in digital payments with Affirm as a Senior Backend Software Engineer. Engage in building secure authentication experiences that connect millions to vital financial services. Join the consumer Authentication Platform team at Affirm as a Senior Software Engineer. You will lead the technical design of impactful authentication capabilities,...


  • Ottawa, ON, Canada Affirm Full-time

    Drive innovation in digital payments with Affirm as a Senior Backend Software Engineer. Engage in building secure authentication experiences that connect millions to vital financial services. Join the consumer Authentication Platform team at Affirm as a Senior Software Engineer. You will lead the technical design of impactful authentication capabilities,...


  • Ottawa, Ontario, Canada Grafana Full-time

    Lead backend development efforts as a Senior Engineer at Grafana Labs, focusing on the cutting-edge Grafana Cloud platform. This fully remote role demands strong programming skills and cloud expertise.At Grafana Labs, you will be an essential member of the Mimir squad, influencing the trajectory of our observability solutions. Working in a collaborative...


  • Ottawa, Ontario, Canada Global Talent Alliance, Canada Full-time

    G-TAC's employer partner is looking for an experienced ­­­Backend Software Engineer to join their North American development team and take part in building their next generation of cloud security products. You will work with a team of back-end and full-stack engineers and take part in building innovative and scalable applications in a cloud...


  • Ottawa, Ontario, Canada Affirm, Inc. Full-time

    Elevate your career as a Senior Backend Software Engineer with Affirm in a fully remote role across Canada. Design high-impact backend systems that fuel user growth and engagement.As a key member of the Growth Platform Engineering team at Affirm, you will collaborate with Product and Data Science teams to develop scalable systems. This role demands...


  • Ottawa, Ontario, Canada League Full-time

    As a Senior or Staff Software Engineer, Backend on our Platform Engineering team, you bring deep technical expertise to the design and delivery of the foundational services and developer tools that power League’s engineering organization; working inside our pod-based delivery model alongside the teams that build on your servicesYou take ownership of...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada League Full-time

    As a Senior or Staff Software Engineer, Backend on our Platform Engineering team, you bring deep technical expertise to the design and delivery of the foundational services and developer tools that power League’s engineering organization; working inside our pod-based delivery model alongside the teams that build on your services You take ownership of...


  • Ottawa, Ontario, Canada Dominion Dynamics Full-time

    Backend Software Engineer Location: Ottawa, ON (On-site) Reports to: Engineering Lead The Role You will be working on the backend systems that power AuraNet — Dominion Dynamics' mesh networking platform for autonomous assets operating in contested and disconnected environments. The platform handles real-time data distribution, end-to-end encrypted...


  • Ottawa, Canada Worky Full-time €142,000 - €213,000 Contract

    Why Sony Interactive Entertainment? Sony Interactive Entertainment isn't just the Best Place to Play - it's also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we're part of a proud legacy of innovation and excellence. SIE is a dynamic technology company,...


  • Ottawa, Ontario, Canada Apollo.io Full-time

    As a Senior Software Engineer, you will be a critical part of our growing company, working on a cross-functional team to implement best practices in technology, architecture, and processYou’ll have the chance to work in an open and collaborative environment, receive and give hands‑on mentorship, and have opportunities to grow and accelerate your...


  • Ottawa, Ontario, Canada Affirm Full-time

    The Partner Merchant Interfaces - Integration team within Decisions Foundations is growing and we are looking for a Software Engineer You will be part of a fast paced team which is responsible for the APIs that Partners and Merchants use to integrate with affirm, and also power some of our top partners like Amazon and Stripe With the support of your team,...


  • Ottawa, Canada Worky Full-time €119,000 - €169,000 Contract

    Why Sony Interactive Entertainment? Sony Interactive Entertainment isn’t just the Best Place to Play — it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology...


  • Ottawa, Ontario, Canada Affirm Full-time

    We are looking for a Software Engineer to join the Identity Decisioning team, responsible for building backend systems that validates consumer identity in all of affirm’s products by satisfying regulatory protocols like KYC The team partners closely with Product, Compliance, Auth, Fraud, and other engineering teams to deliver honest and transparent...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Affirm Full-time €153,000 - €213,000

    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. Auth Experience owns the customer journeys during authentication, verification, and fraud journeys. You’ll work to build the backend orchestration layers that drive our Web...


  • Ottawa, Ontario, Canada League Full-time

    Advance to a Lead Backend Software Engineer position at League, where your expertise in Go and Kubernetes will be pivotal in driving innovative backend solutions. Collaborate and mentor across teams. As a Lead engineer in the Platform Engineering team, you will tackle some of the most complex problems in backend systems and improve overall architecture....


  • Ottawa, ON, Canada Affirm Full-time

    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. Auth Experience owns the customer journeys during authentication, verification, and fraud journeys. You’ll work to build the backend orchestration layers that drive our Web and...


  • Ottawa, Ontario, Canada Veeva Systems, Inc. Full-time

    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...


  • Ottawa, Ontario, Canada Kardow Full-time

    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.We are seeking a seasoned Staff Engineer to help drive our Continuous Integration (CI) team. This role is critical in ensuring the reliability, scalability, and efficiency of our...


  • Ottawa, Ontario, Canada Affirm Full-time

    At Affir, 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. About The Engineering Team The Engineering team builds systems that power Affir’s mission. We take pride in our craft, building reliable, performant, and scalable solutions that...


  • Ottawa, Ontario, Canada Global Talent Alliance, Canada Full-time

    Managing cyber risk, together. We deliver automated cybersecurity across the digital terrain. We empower our customers to achieve continuous alignment of their security frameworks with their digital realities, across all asset types IT, IoT, OT, and IoMT. It is a non-stop journey, managing cyber risk through automation and data-powered insights. What You...