senior ai backend engineer jobs in Calgary

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4,760 senior ai backend engineer job listings in Canada. Find daily updated positions from leading job boards.


  • Calgary, AB, Calgary Census Division, AB; Alberta, Canada Affirm, Inc. Full-time

    Build AI platform infrastructure with Python or Kotlin as a remote Senior Backend Engineer at Affirm, serving teams and production workloads. This senior-level role owns technical decisions and projects across design, launch, and on-call. You will build highly available distributed systems using AWS, MySQL, and Kubernetes. Your work supports LLM gateways,...


  • Calgary, AB, Canada Affirm, Inc. Full-time

    Build AI platform infrastructure with Python or Kotlin as a remote Senior Backend Engineer at Affirm, serving teams and production workloads. This senior-level role owns technical decisions and projects across design, launch, and on-call. You will build highly available distributed systems using AWS, MySQL, and Kubernetes. Your work supports LLM gateways,...


  • Calgary, Canada Instrumentl Full-time €140,000 - €200,000 Contract

    Join Instrumentl as a Senior Backend Engineer, leading the charge in AI development for nonprofit organizations. Your expertise will directly impact tools that help secure over $1 billion in funding. In this role, you'll be responsible for shipping reliable AI features from inception to deployment. Working with a small but dedicated team, you will...


  • Calgary, Alberta, Canada Plooto Full-time

    About Plooto Plooto is a Canada-born fintech company on a mission to give small and mid-sized businesses the financial power to succeed on their own terms. We make payments secure, accurate, and stress-free so businesses and their accountants can spend less time in the books, confidently manage cash flow, and make smarter decisions every day. We’re a team...


  • Calgary, Canada Instrumentl Full-time €140,000 - €200,000 Contract

    Hello, we’re Instrumentl. Nonprofits do some of the most important work in the world, and most of them are still managing grants in spreadsheets. We're fixing that. Instrumentl is a profitable, hypergrowth, YC-backed SaaS platform building the operating system for grant-funded organizations. More than 5,500 nonprofits use Instrumentl to discover, track,...


  • Calgary, AB, Calgary Census Division, AB; Alberta, Canada Innvenza Solutions Full-time

    Innvenza Solutions in Calgary, Alberta, is seeking a senior backend engineer to own the backend systems that define how AI interacts with production environments. You will write Node.js and TypeScript, design APIs, and work on MCP-based tools and agent workflows, shaping the boundaries between AI and real systems. You will join a small senior team,...


  • Calgary, AB, Canada Innvenza Solutions Full-time $120,000 - $180,000 Contract

    Innvenza Solutions in Calgary, Alberta, is seeking a senior backend engineer to own the backend systems that define how AI interacts with production environments. You will write Node.js and TypeScript, design APIs, and work on MCP-based tools and agent workflows, shaping the boundaries between AI and real systems.You will join a small senior team,...


  • Calgary, Alberta, Canada Affirm, Inc. 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. Affirm's engineering team is building a large-scale, fault-tolerant, and global infrastructure that is shared across multiple financial products, merchants, and vendors. Ensuring...


  • Calgary, AB, Calgary Census Division, AB; Alberta, Canada Just Eat Holding Full-time

    Build real-time backend systems with Java and Kubernetes at Just Eat Takeaway.com, working remotely from Calgary, Toronto, or Winnipeg. Own services powering courier logistics. As a Senior Backend Engineer in the Logistics Courier Pay Network team, you will design, deploy, and operate distributed services. Your work spans data modelling, event flows,...


  • Calgary, AB, Canada Just Eat Holding Full-time $140,000 - $190,000 Contract

    Build real-time backend systems with Java and Kubernetes at Just Eat Takeaway.com, working remotely from Calgary, Toronto, or Winnipeg. Own services powering courier logistics.As a Senior Backend Engineer in the Logistics Courier Pay Network team, you will design, deploy, and operate distributed services. Your work spans data modelling, event flows,...


  • Calgary, AB, Canada Finofo Full-time $100,000 - $130,000 Contract

    A dynamic tech company in Calgary is on the lookout for a Back-End Engineer. In this role, you'll develop core back-end systems with Python and PostgreSQL, work in tandem with front-end engineers, and contribute to critical product features. The ideal candidate will have significant experience in back-end systems, a passion for collaboration, and a drive for...


  • Calgary, AB, Calgary Census Division, AB; Alberta, Canada Plooto Full-time

    About Plooto Plooto is a Canada-born fintech company on a mission to give small and mid-sized businesses the financial power to succeed on their own terms. We make payments secure, accurate, and stress-free so businesses and their accountants can spend less time in the books, confidently manage cash flow, and make smarter decisions every day. We’re a team...

  • Backend Engineer

    2 days ago


    Calgary, AB, Canada Outlier Remote Full-time $80,000 - $113,000 Contract

    Earn 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...


  • Calgary, Alberta, 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...

  • Backend Engineer

    3 days ago


    Calgary, AB, Calgary Census Division, AB; Alberta, Canada Outlier Full-time €50 Temporary

    Earn Up To $50/hr as an OpenClaw Agent Builder Shape the future of autonomous agents like OpenClaw. Freelance, remote, up to $50 USD/hr. Weekly payments. Trusted by 10,000+ software engineers worldwide MIN EXP REQUIRED 2+ years PAY RATE Up to $50 USD/hr Earn Up To $50 USD/hr— Plus Additional Incentives Rates vary based on expertise and project...


  • Calgary, Alberta, Canada Outlier Full-time

    Outlier is seeking OpenClaw Agent Builder contractors to help shape autonomous agents. This remote, freelance role offers up to $50 USD/hr with flexible, non-mandatory hours and weekly payments. Contributions support AI development and multi-step agent orchestration.Ideal candidates have 2+ years in backend engineering or AI automation, with a track record...


  • Calgary, Alberta, Canada Outlier Full-time

    Outlier offers freelance, remote work for an OpenClaw Agent Builder role. Earn up to $50 USD/hr with weekly payments, and access to tools like GPT/Claude. Projects involve teaching AI agents to design, coordinate, and optimize complex workflows.Ideal candidates have 2+ years in backend engineering, AI automation, or complex systems, with experience building...


  • Calgary, Alberta, Canada Outlier Full-time

    Outlier invites experts to shape the future of autonomous agents like OpenClaw. This freelance, remote role offers up to $50 USD/hr and weekly payments. Most contributors spend 5-10 hrs/week, with potential to scale earnings based on project needs.Join a platform trusted by thousands of engineers worldwide, where you can choose flexible scheduling and access...


  • Calgary, Alberta, Canada Outlier Full-time

    Outlier is seeking a skilled OpenClaw Agent Builder for remote freelance work. Shape autonomous agents, build and evaluate multi-step workflows, and help train LLMs with real-world tasks. Weekly payments and flexible hours are available.Ideal candidates bring 2+ years in backend engineering or AI automation, with experience deploying production-grade...


  • Calgary, Alberta, Canada Outlier Full-time

    Outlier is seeking skilled contributors to build OpenClaw-like autonomous agent components. Remote freelance role with pay up to $50 USD/hour. You can set your own schedule, typically 5–10 hours/week, potentially up to 40 hours. Payments are made weekly and via multiple payment methods.Ideal candidates have 2+ years in backend engineering or AI automation...