Open Source Developers

2 days 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



  • 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 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 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, Ontario, 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...

  • Performance Engineer

    3 weeks 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,...

  • Performance Engineer

    3 weeks ago


    Toronto, Canada Canonical Full time

    Join to apply for the Performance Engineer - Open Source role at CanonicalJoin to apply for the Performance Engineer - Open Source role at CanonicalGet 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, Ubuntu,...


  • Toronto, Canada Canonical Full time

    A leading open source software provider is hiring an Ubuntu Software Engineer to design and enhance open source software. This fully remote role requires proficiency in Rust, Go, and Python, with a strong passion for open source. Candidates must have an undergraduate degree in a relevant field and excellent communication skills. Opportunities for travel and...


  • Toronto, Canada Canonical Full time

    A leading open source software provider is hiring an Ubuntu Software Engineer to design and enhance open source software. This fully remote role requires proficiency in Rust, Go, and Python, with a strong passion for open source. Candidates must have an undergraduate degree in a relevant field and excellent communication skills. Opportunities for travel and...


  • 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,...