junior backend software engineer position jobs in Ottawa

7,093 junior backend software engineer position job listings in Canada. Find daily updated positions from leading job boards.


  • Ottawa, Ontario, Canada Dominion Dynamics Full-time

    Reports to: Director of Software Type: Full-Time Location: Ottawa or Toronto Location AuraNet is Dominion Dynamics' mesh networking platform for autonomous assets working in contested and disconnected environments. It has to move data securely and in real time over links that aren't conventional wired networks, where bandwidth is scarce, connections drop,...


  • Ottawa, Ontario, Canada AutoScale Ventures Full-time

    Senior Software Engineer (Full-Time, Remote) — Canada Work Schedule: 9:00 AM - 5:00 PM PST About the role At AutoScale Ventures, we build large-scale systems behind products like VinAudit.ca (vehicle history and data) and SquidProxies.com (proxy infrastructure). We're looking for a Senior Software Engineer to design, build, and evolve the backend systems...


  • Ottawa, ON, Canada Clipboard Full-time

    Join to apply for the Software Engineer, Backend role at Clipboard Get AI-powered advice on this job and more exclusive features. We exist to lift as many people up the socioeconomic ladder as possible. We dramatically improve lives by letting professionals turn extra time and ambition into career growth and financial opportunity. We achieve this with our...


  • Ottawa, ON, Canada Tucows Domains Full-time

    OverviewTucows is a remote-first backend engineering role for Canada, building open‑internet products across domains, Ting, and Wavelo.ResponsibilitiesDesign and develop secure, scalable, reliable, and efficient backend services using modern frameworks and tools.Collaborate with frontend developers to define clear and consistent API endpoints,...


  • Ottawa, ON, Canada Affirm Remote Full-time $80,000 - $110,000 Contract

    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

    The Online Storage team provides a set of managed databases as a platform, used to persist data for all AffIn servicesOur platform enables self-service access to OLTP storage systems, including Relational DB(MySQL), KV(DynamoDB), Distributed SQL(TiDB) and Cache(Redis)As a team, we are responsible for various data and access patterns, including but not...


  • Ottawa, Ontario, Canada Affirm Full-time

    At Affrim, 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 Observability team builds the platform every Affrim engineer relies on to understand the behavior and performance of our systems. Our platform ingests 200+ TB/day of metrics,...


  • Ottawa, ON, Canada Affirm Remote Full-time $95,000 - $150,000 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 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, ON, Canada Akamai Full-time €120,000 - €217,000 Contract

    Architect high-throughput REST APIs with Python and Flask at Akamai, supporting resilient backend infrastructure for enterprise security platforms. As a Senior II Software Engineer, you will lead architecture, design, and implementation for high-performance backend systems. You will establish API standards, improve performance, and advance fault-tolerant...


  • Ottawa, ON, Canada Insight Global Full-time

    Job DescriptionInsight Global is hiring a Junior / Intermediate Software Engineer for a technology client in a fully remote, full-time role. In this position, you will contribute to new product development within the legal technology space, building backend features using Go and supporting frontend development with React.The team is also integrating Large...


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

    At Aff, 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 Aff**irm can safely handle forecasted traffic—especially during peak sales events—by translating demand forecasts into concrete, testable...


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

    As a Senior Software Engineer, you will build the data and measurement foundations that connect consumer acquisition activity across paid media, SEO/AEO, and other growth channels to downstream outcomes such as signup, conversion, and GMVYou will work at the intersection of data engineering and marketing technology, building reliable pipelines, identity and...


  • Ottawa, ON, Canada Affirm Remote 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...


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

    Join to apply for the Software Engineer, Backend role at Clipboard Get AI-powered advice on this job and more exclusive features. We exist to lift as many people up the socioeconomic ladder as possible. We dramatically improve lives by letting professionals turn extra time and ambition into career growth and financial opportunity. We achieve this with our...


  • 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

    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...


  • 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 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, Inc. Full-time

    We are looking for a Staff Engineer to lead projects and initiatives on the Fraud Decisioning teamYou’ll be responsible for building tools and systems that empower affirm fraud fighting capabilities, work with cross-functional teams to adopt and monitor those and use analytics and data driven decisions to further improve the performance and quality of...


  • Ottawa, Ontario, Canada Affirm Full-time

    At Aff, 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 Aff**irm can safely handle forecasted traffic—especially during peak sales events—by translating demand forecasts into concrete, testable...