backend engineer ruby

1,000 backend engineer ruby job listings in Canada. Find daily updated positions from leading job boards.


  • Montreal, QC, Canada Affirm Full-time $85,000 - $120,000 Contract

    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...

  • Backend Engineer

    1 day ago


    Toronto, ON, Canada DoorDash Canada Full-time

    DoorDash Canada is seeking Backend Engineers to join our hybrid Toronto team, focusing on scalable web applications and backend architecture. You will work across Product and Platform teams, contribute to performance, security, and transitioning to microservices, and collaborate with cross-functional partners to deliver impactful solutions. Ideal candidates...

  • Backend Engineer

    1 day ago


    Victoria, Capital Regional District, Canada Outlier Full-time

    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...


  • Winnipeg, MB, Canada Outlier Full-time

    Build autonomous-agent evaluations remotely with OpenClaw, backend engineering, and AI automation experience on a flexible freelance schedule.Outlier is seeking contributors to help train large language models as proactive, multi-step agents. The work focuses on architectural workflows, live system interactions, and detailed technical feedback. Applicants...

  • Backend Engineer

    1 day ago


    London, ON, Canada Outlier Full-time

    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, AB, Canada Outlier Full-time

    Build autonomous-agent evaluations remotely with OpenClaw, backend engineering, and AI automation experience on a flexible freelance schedule.Outlier is seeking contributors to help train large language models as proactive, multi-step agents. The work focuses on architectural workflows, live system interactions, and detailed technical feedback. Applicants...

  • Backend Engineer

    1 day ago


    Regina, Division No. 6, Canada Outlier Full-time

    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...

  • Backend Engineer

    1 day ago


    Ottawa, ON, Canada Outlier Full-time

    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...


  • Vancouver, Metro Vancouver Regional District, Canada Outlier Full-time

    Build autonomous-agent evaluations remotely with OpenClaw, backend engineering, and AI automation experience on a flexible freelance schedule.Outlier is seeking contributors to help train large language models as proactive, multi-step agents. The work focuses on architectural workflows, live system interactions, and detailed technical feedback. Applicants...


  • Quebec, Capitale-Nationale, Canada Outlier Full-time

    Build autonomous-agent evaluations remotely with OpenClaw, backend engineering, and AI automation experience on a flexible freelance schedule.Outlier is seeking contributors to help train large language models as proactive, multi-step agents. The work focuses on architectural workflows, live system interactions, and detailed technical feedback. Applicants...

  • Backend Engineer

    1 day ago


    Mississauga, Peel Region, Canada Outlier Full-time

    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...

  • Backend Engineer

    1 day ago


    Winnipeg, MB, Canada Outlier Full-time

    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...


  • Toronto, ON, Canada Autodesk Full-time

    Lead backend innovation as a Principal Software Engineer with Autodesk. This senior role focuses on driving technical direction for complex backend systems and APIs.Autodesk's Enterprise Data Management organization seeks a Principal Software Engineer to shape architectural strategies across diverse teams. You will influence backend architecture, mentor...


  • Kimberley, BC, Canada Placements24 Full-time

    Design scalable backend systems with Java, Python, Go, or C# as a fully remote Senior Software Engineer at WhatJobs Direct. Build reliable services for demanding applications. WhatJobs Direct seeks a Senior Software Engineer with extensive backend development experience. You will develop distributed applications, RESTful APIs, and database solutions while...


  • Ahuntsic North, QC, Canada Jeeves Full-time

    Design financial APIs at Jeeves using Go, Python, or Node.js/TypeScript while working remotely or hybrid, depending on location and department. As a Senior Backend Engineer, you will build production systems for payments, cards, spend management, and compliance. You will support customers across more than 20 countries. The work includes RESTful and GraphQL...


  • Headquarters, BC, Canada ITVA, Inc. Full-time

    Build high-performance financial services at Bitvavo using Kotlin, Kafka, and event-driven microservices architecture. This engineering role supports digital asset trading platforms. As a Senior Backend Engineer, you will craft high-quality software for Bitvavo customers and financial markets. You will tackle technical challenges, influence technology stacks...


  • Montreal, Quebec, Canada Forum Ventures, LLC Full-time

    Build AI-powered backend systems in Ottawa with Python, workflow orchestration, and scalable data-intensive architecture on a hybrid schedule. Own production software from design through delivery. askpolly seeks a Senior Software Engineer with 5–8 years of professional experience. You will design backend services, robust APIs, and agentic workflows for an...


  • Winnipeg, Manitoba, Canada Mecka Full-time

    Backend engineering meets connected hardware at Mecka AI, where senior engineers build dependable data services, APIs, and operational tools. Work on robotics infrastructure supporting embodied AI systems. As a Senior Software Engineer, you will own service and API design for device and data-intensive workflows. You will shape data models, protect data...


  • Toronto, Ontario, Canada Faire Full-time

    Faire is a technology wholesale platform built on the belief that the future is local. Independent retailers around the globe collectively represent a multi-hundred-billion-dollar wholesale market that has historically been fragmented and offline. At Faire, we're using the power of tech, data, and machine learning to connect this thriving community of...


  • US or Canada Kalepa Full-time $222,000 - $314,000 Contract

    About Kalepa: Insurance is a $7T global industry built on professional labor: underwriting, claims, pricing, operations, and distribution. Kalepa is building AI that can perform that work. We create professional-grade AI systems for insurers: software that can read, reason, decide, and act inside real workflows and operate over long-time horizons. Kalepa...