Open Source Developers

3 weeks ago


Toronto, Canada Mercor Full time

We’re looking for open-source contributors and experienced engineers who understand how to review, maintain, and troubleshoot live repositories. Who You Are An open-source developer or maintainer who has contributed to or reviewed code in live repositories Comfortable reasoning about Git at a deep level Adept at debugging repository states and fixing broken histories without data loss Preferred Qualifications 3+ years of software engineering experience in open-source, backend, or DevOps roles Demonstrated history of contributions on GitHub, GitLab, or other OSS platforms (Bonus) Experience in code review or AI/LLM model evaluation Why Join Turn your open-source experience into valuable, high-impact data Fully remote, flexible work, with competitive compensation #J-18808-Ljbffr



  • Toronto, Canada Mercor Full time

    We’re looking for open-source contributors and experienced engineers who understand how to review, maintain, and troubleshoot live repositories. Who You Are An open-source developer or maintainer who has contributed to or reviewed code in live repositories Comfortable reasoning about Git at a deep level Adept at debugging repository states and fixing...


  • Toronto, Canada Open Farm Full time

    **Who we are**: Founded in 2014, Open Farm is one of the fastest growing CPG companies in North America. We are transforming the way people feed their pets with a focus on producing premium, healthy food all ethically sourced from farm-to-bowl. We believe the best foods are made with consciously sourced, top-quality ingredients from farmers and fisheries who...


  • Toronto, Canada Block, Inc. Full time

    Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams — People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more — provide support and guidance at the corporate level. They work across business groups and around the...


  • Toronto, Canada Cerebras Systems Full time

    Cerebras Systems builds the world's largest AI chip, 56 times larger than GPUs. Our novel wafer-scale architecture provides the AI compute power of dozens of GPUs on a single chip, with the programming simplicity of a single device. This approach allows Cerebras to deliver industry-leading training and inference speeds and empowers machine learning users to...

  • Performance Engineer

    10 hours ago


    Toronto, Canada Canonical Full time

    Join to apply for the Performance Engineer - Open Source role at Canonical Join to apply for the Performance Engineer - Open Source role at Canonical Get AI-powered advice on this job and more exclusive features. Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform,...


  • Toronto, Canada Open Farm Full time

    **About Us** At Open Farm we are transforming the way people feed their pets, with a focus on producing premium, healthy food and treats, all ethically sourced from farm-to-bowl. Headquartered in Toronto and with team members across the US, Open Farm is one of the fastest growing CPG companies in North America. We believe that the best foods are made with...


  • Toronto, Canada Canonical Full time

    General track role, hiring opportunities across all levels of seniority in our Sales and Alliances teams. Apply if you believe you possess outstanding revenue generating experience from the Technology industry. Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu,...


  • Toronto, Canada Canonical Full time

    General track role, hiring opportunities across all levels of seniority in our Sales and Alliances teams. Apply if you believe you possess outstanding revenue generating experience from the Technology industry. Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu,...


  • Toronto, Canada Canonical Full time

    A leading open source software provider in Ontario is seeking a Software Engineer specializing in Python and Kubernetes. The role requires strong development skills and an interest in distributed systems, working to enhance open source operations. Candidates will work on a global team delivering reliable services and improving complex business operations....


  • Toronto, Canada Canonical Full time

    A leading open source software provider in Ontario is seeking a Software Engineer specializing in Python and Kubernetes. The role requires strong development skills and an interest in distributed systems, working to enhance open source operations. Candidates will work on a global team delivering reliable services and improving complex business operations....