backend intern jobs in Ottawa

319 backend intern job listings in Canada. Find daily updated positions from leading job boards.


  • Ottawa, Canada HHHub.eu (Taupai, UAB) Full-time €110,000 - €160,000 Contract

    Build secure banking and payment backends as a Senior Java Engineer, using Spring Boot and distributed-system technologies in an international FinTech company. Our client is an established FinTech software provider with more than 25 years of experience. You will design, develop, test, deploy, and support Java backend services. The work covers REST APIs,...


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

    Description de l'entreprise Evident Canada est une société du groupe Wabtec! Evident Canada, une société du groupe Wabtec, est un chef de file mondial dans la fabrication d'équipements d'inspection innovants utilisés dans des applications industrielles et de recherche dans l'aérospatiale, la production d'énergie, la pétrochimie, les...


  • Ottawa, ON, Canada Wabtec Corporation Full-time

    Description de l'entreprise Evident Canada est une société du groupe Wabtec! Evident Canada, une société du groupe Wabtec, est un chef de file mondial dans la fabrication d'équipements d'inspection innovants utilisés dans des applications industrielles et de recherche dans l'aérospatiale, la production d'énergie, la pétrochimie, les infrastructures...


  • Ottawa, Ontario, Canada Affirm, Inc. 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, ON, Canada Affirm, Inc. Remote Full-time $133,000 - $183,000 Contract

    Affim is building the next generation of enterprise Identity and Access Management. This remote-first role combines IAM operations, automation, and production software engineering to improve reliability, scalability, and operability of identity services across internal systems.You will run core access lifecycle processes and build backend services that...


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

    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...

  • Intern, AI

    3 days ago


    Ottawa, Ontario, Canada Aker Full-time

    Aker is seeking a Software & AI Engineer Intern/Co-op to join its AI & Platform Engineering team. This role will contribute to the design, development, and operation of production-grade software, data, and artificial intelligence systems that support intelligent decision-making and automation across the firm.The position combines full-stack software...

  • Intern, AI

    3 days ago


    Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Aker Full-time €70,000 - €100,000

    Aker is seeking a Software & AI Engineer Intern/Co-op to join its AI & Platform Engineering team. This role will contribute to the design, development, and operation of production-grade software, data, and artificial intelligence systems that support intelligent decision-making and automation across the firm. The position combines full-stack software...


  • 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 Fullscript Full-time

    About Fullscript We’re an industry-leading health technology company on a mission to help people get better. We started in 2011 with one simple idea. Make it easier for practitioners to access the products they trust so they can deliver better care. That simple idea grew into a platform that powers every part of care. Today, more than 125,000 practitioners...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Affirm, Inc. 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, ON, Ottawa Census Division, ON; Ontario, Canada Affirm Full-time €133,000 - €183,000 Temporary

    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...


  • 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, Canada HHHub.eu (Taupai, UAB) Full-time €110,000 - €150,000 Contract

    About the Company The client is an established FinTech software provider with more than 25 years of experience delivering technology to regulated financial institutions. Its product ecosystem covers core banking, digital onboarding, multi-currency accounts, payments, compliance, and AML. The company’s platforms support integrations with payment...


  • Ottawa, Canada HHHub.eu (Taupai, UAB) Full-time €110,000 - €160,000 Contract

    About the Company Our client is an established FinTech software provider with more than 25 years of experience, developing banking technology for regulated financial institutions across international markets. The company builds secure and scalable platforms covering core banking, payments, financial integrations, and back-office operations. Its systems...

  • Software Developer

    12 hours ago


    Ottawa, ON, Canada Solace Corporation Full-time €95,000 - €140,000 Contract

    Enterprise AI is moving from pilots to production, and the constraint is no longer the model —it'sthe data. Agents are only as good as what they can sense, trust, and act on in the moment, and real-time, event-driven data is becoming thefoundationevery serious AI system runs on. Solace istheleadingreal-time data platform for the enterprise AI era....

  • AI Architect I

    4 hours ago


    Ottawa, Ontario, Canada Textlayer Full-time

    OverviewAbout TextLayer TextLayer helps enterprises and funded startups deploy advanced AI systems without rewriting their infrastructure. We work with organizations across fintech, healthtech, and other sectors to bridge the gap between AI potential and practical implementation. Our approach combines deep technical expertise with proven frameworks like...


  • Ottawa, ON, Canada Just Eat Takeaway.com Full-time €102,000 - €128,000 Contract

    Ready for a challenge? Then Just Eat Takeaway.com might be the place for you. We’re a leading global online delivery platform, and our vision is to empower everyday convenience. Whether it’s a Friday-night feast, a post-gym poke bowl, or grabbing some groceries, our tech platform connects tens of millions of customers with hundreds of thousands of...