java backend engineer jobs in Ottawa
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2,277 java backend engineer job listings in Canada. Find daily updated positions from leading job boards.
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Staff Software Backend Engineer
4 days ago
Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Affirm, Inc. Full-time €181,000 - €241,000 TemporaryThe 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, logs, and traces from hundreds of services across 80+ Kubernetes clusters, and when a user's checkout fails, our data is how engineers find out why. Over the next year, we’re...
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Staff Software Engineer, Backend
4 days ago
Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Affirm Full-time €181,000 - €241,000 TemporaryAt 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...
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Staff Software Backend Engineer
4 days ago
Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Affirm Full-time €181,000 - €241,000 TemporaryThe 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, logs, and traces from hundreds of services across 80+ Kubernetes clusters, and when a user's checkout fails, our data is how engineers find out why. Over the next year, we’re...
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Senior Backend Software Engineer
2 days ago
Ottawa, Ontario, Canada Affirm Full-timeAffirm’s engineering team is building large-scale, fault-tolerant, global infrastructure shared across multiple financial products, merchants, and vendors. Making this infrastructure transparently available to all engineers is critical to the business. The engineering culture emphasizes blameless postmortems, detailed technical specifications, and...
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Staff Software Engineer, Backend
4 days ago
Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Affirm, Inc. Full-time €181,000 - €241,000 TemporaryAt 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...
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Backend Engineer
4 days ago
Ottawa, ON, Canada Outlier Remote Full-time $80,000 - $113,000 ContractEarn Up To $50/hr as an OpenClaw Agent BuilderShape the future of autonomous agents like OpenClaw. Freelance, remote, up to $50 USD/hr. Weekly payments.Trusted by 10,000+ software engineers worldwideMIN EXP REQUIRED2+ yearsPAY RATEUp to $50 USD/hrEarn Up To $50 USD/hr— Plus Additional IncentivesRates vary based on expertise and project requirements. Paid...
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Lead Java React Software Engineer
4 days ago
Ottawa, Canada Manulife/John Hancock Full-time €113,000 - €210,000 ContractLead Java and React development for Manulife’s hybrid Canadian Retirement Technology team, shaping secure cloud-native applications and mentoring engineering teams. This lead full stack software engineer provides technical leadership across the software development lifecycle. You will partner with product owners, architects, and engineering teams using...
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Senior Backend Engineer
3 days ago
Ottawa, ON, Canada Affirm, Inc. Remote Full-time $120,000 - $180,000 ContractAffirm, Inc. is seeking a Senior Software Engineer to build data and measurement foundations that connect consumer acquisition activity to outcomes like signup, conversion, and GMV.You’ll work at the intersection of data engineering and marketing technology, delivering reliable pipelines and identity/event systems. You will collaborate with Engineering,...
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Software Engineer
3 days ago
Ottawa, ON, Canada Affirm, Inc. Remote Full-time $70,000 - $95,000 ContractThe Batch Developer Experience team makes batch development and testing faster and more reliable at affirmAs a developer on this team you will partner with product and infrastructure engineers to build the tools and systems that streamline workflows, strengthen testing and ultimately improve the reliability of affirm’s critical batch workloadsWith the...
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Senior Backend Developer
5 days ago
Ottawa, ON, Canada OpenText Full-time $98,000 - $147,000 ContractOpenText is seeking a Senior Backend Software Developer to join our cloud SaaS platform. The role focuses on building and evolving multi-tenant services in C++ and Java, with emphasis on security, performance, and scalable design.You will work in an Agile environment, collaborate across teams, and contribute to AI-powered features. Applicants must be fluent...
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Senior Java Lead Engineer
5 days ago
Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Michael Page Full-time €140,000 - €145,000 TemporaryJoin to apply for the Senior Java Lead Engineer role at Michael Page 1 day ago Be among the first 25 applicants Join to apply for the Senior Java Lead Engineer role at Michael Page Get AI-powered advice on this job and more exclusive features. This range is provided by Michael Page. Your actual pay will be based on your skills and experience — talk...
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Java Full Stack Engineer
5 days ago
Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada RELQ TECHNOLOGIES Full-timeJob Title Java Full Stack Engineer Location Canada Remote Employment Type Contractual About The Role We are looking for a Java Full Stack Engineer to join our distributed agile team and contribute to the development of a multi-tenant cloud SaaS solution in the Human Resources domain. You will work on modernizing and building new features for modules...
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Senior Backend Software Engineer
4 days ago
Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Affirm, Inc. Full-timeAs 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 GMV You will work at the intersection of data engineering and marketing technology, building reliable pipelines, identity...
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Senior Software Engineer
4 hours ago
Ottawa, Ontario, Canada Affirm Full-timeThe Consumer Authentication Platform team is looking for a passionate Senior Software Engineer to help build the secure, reliable, and seamless authentication experiences that connect millions of consumers with affirm’s financial productsAuthentication is the front door to affirmOur systems power critical consumer journeys (including sign-up, sign-in,...
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Software Engineer II, Backend
9 hours ago
Ottawa, 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 Batch Developer Experience team makes batch development and testing faster and more reliable at affirm. As a developer on this team you will partner with product and...
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Senior Data Services Backend Engineer
14 hours ago
Ottawa, ON, Canada Akamai Full-time €120,000 - €217,000 ContractAkamai's Cloud Data Services team designs, builds, and operates high-reliability, high-scale data services and pipelines powering core Akamai platform capabilities. The Senior II Software Engineer will own backend data services end-to-end, scale microservices, and collaborate with DBA and SRE partners to ensure performance and reliability across...
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Senior Software Engineer
2 days ago
Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Affirm Full-timeThe Consumer Authentication Platform team is looking for a passionate Senior Software Engineer to help build the secure, reliable, and seamless authentication experiences that connect millions of consumers with affirm’s financial products Our systems power critical consumer journeys (including sign-up, sign-in, account recovery, checkout authentication,...
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Senior Staff Software Engineer, Backend
4 hours ago
Ottawa, Ontario, Canada Affirm Full-timeAt 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. Affirm's engineering team is building a large-scale, highly-available, and global infrastructure that is shared across multiple financial products. Ensuring that our infrastructure...
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Senior Backend Engineer, Hybrid, AI-Powered Insights
14 hours ago
Ottawa, ON, Canada Forum Ventures Full-time €120,000 - €170,000 Contractaskpolly, based in Ottawa, is seeking a Senior Software Engineer to design, build, and scale production systems behind its AI-powered insights platform. This full-time role, on a hybrid schedule (4 days in-office), focuses on backend architecture with opportunities for full-stack contributions. You will own complex features from problem definition to...
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Ottawa, ON, Canada AutoScale Ventures Remote Full-time $120,000 - $170,000 ContractAutoScale Ventures is seeking a Senior Software Engineer to design, build, and evolve backend systems powering data-heavy products like VinAudit.ca and SquidProxies.com. You will own key backend initiatives end-to-end, mentor peers, and collaborate on architectural decisions to improve reliability and performance.The role emphasizes autonomy and ownership,...