backend software engineer jobs in Ottawa

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  • Ottawa, Ontario, Canada Affirm Full-time

    The Streaming team at Affirm is responsible for all things data and drives the strategy for event driven architecture, stream processing, data exploration, discovery and validationWe leverage existing open source technologies like Kafka, Flink, Schema registry and also build our own as neededAs a member of our team you would spend time identifying and...


  • Ottawa, Ontario, 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 mostYour role will be instrumental in designing the next generation of Affirm’s Checkout Platform to provide a world‑class buying experience that puts customers first!We...


  • 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, Ontario, Canada Affirm Full-time

    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, streaming infrastructure, event-driven frameworks, BI, analytics tooling, large-scale data platforms, and agentic data tools such as semantic layers and internal platform data...


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

    Elevate your backend engineering career with Affirm's remote team in Canada, specializing in Redis and Valkey Cache Services. Drive innovation in data infrastructure while collaborating closely with cross-functional teams.Join Affirm as a Software Engineer II, focusing on backend systems and cache service scaling. With at least two years of experience,...


  • 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, 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, 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, ON, Canada Platform.sh Full-time

    Upsun seeks a Backend Software Engineer to enhance our billing systems. Focus on backend service development in Go for complex billing integrations and ensure accuracy in customer invoicing. In this role, you will build and maintain the backend services for our billing platform. Your expertise will drive projects that handle revenue across multiple...


  • Ottawa, Ontario, Canada Affirm Full-time

    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...

  • Software Engineer

    4 hours ago


    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 II with a track record of leading projects and initiatives on the Partner Merchant Interfaces Team You will be part of a fast paced team which is responsible for the APIs that Partners and Merchants use to integrate with...


  • Ottawa, Ontario, Canada Affirm Full-time

    At Affi, 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 pillar...


  • Ottawa, Canada MAJiK Systems Full-time €80,000 - €110,000 Contract

    Backend Software Developer at MAJiK Systems Are you passionate about crafting innovative solutions that can transform the manufacturing industry? At MAJiK Systems, we’re redefining the way manufacturers interact with their data. Based in Kitchener, Ontario, we’re a close-knit team of problem-solvers and creators, building cutting-edge software to...


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


  • Ottawa, Ontario, Canada Affirm Full-time

    The Engineering team builds systems that power affirm's mission. We take pride in our craft, building reliable, performant, and scalable solutions that touch every part of the business. Whether we're enabling new ways to pay, ensuring our platforms can scale to the most demanding levels in the industry, or developing seamless servicing experiences, our focus...


  • Ottawa, Ontario, Canada Affirm Full-time

    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.We are looking for a Staff Engineer to lead projects and initiatives on the Fraud Decisioning team. You’ll be responsible for building tools and systems that empower affirm fraud...


  • Ottawa, Ontario, Canada Affirm Full-time

    You will be responsible for setting technical strategy for your team on a year-long time scale, and help your team tie it together with critical, business-impacting projectsYou will collaborate across teams in the product development lifecycle by collaborating with product management, design & analytics to ensure technical sustainability, risks and...


  • Ottawa, Ontario, Canada Affirm Remote 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. 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,...


  • Ottawa, Ontario, 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. Your role will be instrumental in designing the next generation of Affi­rm’s Checkout Platform to provide a world-class buying experience that puts customers first! We are...