backend engineer ruby

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


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Arkion Identity Systems, Inc. Full-time

    Location Remote / Hybrid Greater Toronto Area We are looking for a Backend Software Engineer with strong Rust expertise to build secure, scalable, and high-performance services for our Next-Gen Non-Human Identity (NHI) Platform. You will play a key role in designing and implementing backend services, APIs, and cryptographic workflows, working closely with...


  • North Census Division, SK, Saskatchewan, Canada Outlier Full-time €50

    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...


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

    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...


  • Victoria, British Columbia, 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...


  • Saskatoon, Division No. 11, Canada Lumenalta Remote Full-time $90,000 - $120,000 Contract

    Senior Backend Engineer (AWS) As a Senior Backend Engineer at Lumenalta, you will design and implement robust backend systems, ensuring our applications are secure, scalable, and efficient. You will be responsible for working closely with DevOps and frontend teams to deliver high-performance applications that leverage AWS cloud services and Kubernetes. Your...


  • Winnipeg, MB, Canada Kaseya Full-time

    Join Kaseya as a Platform Backend Engineer to innovate our core services using Go or Rust. Focus on event-driven systems and multi-tenant security in a dynamic environment.In this hands-on role, you’ll design backend services like API gateways and event routing while ensuring production reliability. Ideal candidates will utilize their experience in...


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

    Affirm is seeking a software engineer for the Streaming team in Ottawa. You will design and scale data infrastructure, build backend services, and collaborate across product, design and analytics to ship features that rely on Kafka, Flink and AWS.You will participate in ideation, articulate constraints, and help manage trade-offs with stakeholders while...


  • Saskatoon, Saskatchewan, 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...


  • Regina, Saskatchewan, 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...


  • Kitchener, Ontario, 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, Ontario, 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...


  • Mississauga, Ontario, 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...


  • Canada Placements24 Full-time

    About the Role Our client, a leading FinTech company revolutionizing digital payments, is seeking an exceptional Principal Software Engineer to join their fully remote engineering team. This senior role offers the opportunity to shape the future of our backend systems, influencing architectural decisions and mentoring junior engineers. As a fully...


  • Canada Bayview Asset Management, LLC Full-time

    Overview The Backend Engineer on the AI Platform team plays a critical role in building and evolving the backend systems that power internal products, customer-facing capabilities, AI-enabled workflows, and operational decision-making across the organization. This role is responsible for designing, building, testing, and operating reliable, scalable, and...


  • Canada Affirm, Inc. Full-time

    Shape reliable capacity plans with Python or Kotlin as a Senior Backend Engineer on Affirm’s remote Canada Capacity Modeling team. Forecast traffic and tune resources for peak demand. This senior position owns quarterly goals while guiding engineers through ambiguous, open-ended problems. You will build backend systems at scale using AWS, MySQL, or...


  • Canada Harvey AI Full-time

    At Harvey, we’re transforming how legal and professional services operate. By combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise, we’re reshaping how critical knowledge work gets done for decades to come. This is a rare chance to help build a generational company at a true inflection point. The work is ambitious, the...


  • Denmark, Abroad, Canada Camunda Full-time

    Shape the future of data streaming as a Backend Software Engineer on Camunda’s innovative Data Streaming team. Embrace a fully remote role focusing on building scalable process data architectures. In this Senior position, you will revolutionize how Camunda handles process data, moving analytics off the live engine's critical path. Collaborate closely with...


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

    Shape the future of shopping with Affirms as a Backend Software Engineer. This remote role focuses on building impactful search and recommendation systems in a collaborative environment. Join Affirms to drive the technical strategy for your team while developing backend systems at scale. With over 8 years of experience in languages like Python or Kotlin and...


  • Canada Affirm, Inc. Full-time

    Shape the future of shopping with Affirms as a Backend Software Engineer. This remote role focuses on building impactful search and recommendation systems in a collaborative environment. Join Affirms to drive the technical strategy for your team while developing backend systems at scale. With over 8 years of experience in languages like Python or Kotlin and...


  • Canada Affirm, Inc. Full-time

    Shape the future of shopping with Affirms as a Backend Software Engineer. This remote role focuses on building impactful search and recommendation systems in a collaborative environment. Join Affirms to drive the technical strategy for your team while developing backend systems at scale. With over 8 years of experience in languages like Python or Kotlin and...