Jobs for phd at Toronto

6,392 phd job listings in Canada. Find daily updated positions from leading job boards.


  • Toronto, ON, Canada Obsidian Full-time $90,000 - $120,000 Contract

    Computational Statistics and Applied Mathematics Expert About the Project We're building a large-scale benchmark to test how well advanced AI systems can solve hard scientific and engineering problems. As a task designer, you'll create challenging computational problems that check whether AI can use real scientific software to do research-level work —...

  • Analog Engineer Intern Premium

    2 days ago


    Toronto, Canada Marvell Technology Full-time $36 - $48 Permanent

    About MarvellMarvell’s semiconductor solutions are the essential building blocks of the data infrastructure that connects our world. Across enterprise, cloud and AI, and carrier architectures, our innovative technology is enabling new possibilities. At Marvell, you can affect the arc of individual lives, lift the trajectory of entire industries, and fuel...


  • Toronto, ON, Canada Obsidian Full-time $90,000 - $130,000 Contract

    Computational Seismology & Geophysics Expert About the Project We're building a large-scale benchmark to test how well advanced AI systems can solve hard scientific and engineering problems. As a task designer, you'll create challenging computational problems that check whether AI can use real scientific software to do research-level work — running...

  • Economics PhD

    2 days ago


    Toronto, ON, Canada Mercor Full-time $60,000 - $90,000 Contract

    Role OverviewWe are seeking expert economists and finance professionals to author and review high-quality academic assessment content for an AI research initiative. You will write and verify rigorous multiple-choice questions across core economics and finance domains, evaluate solution quality, and help establish gold-standard benchmarks used to advance AI...


  • Toronto, ON, Canada Turing Remote Full-time $79,210 - $112,815 Contract

    Remote contract for PhDs in Physics, Applied Physics, or related fields. Work on cutting-edge projects with top AI labs while earning $50+/hour, fully remote, with flexible weekly hours. No AI experience required. Role Overview Help fine-tune large language models (like ChatGPT) using your physics skills. You’ll design problems, check how well AI solves...

  • Biology Researcher

    3 days ago


    Toronto, ON, Canada Alignerr Full-time

    Biology Researcher (Masters/PhDs) - AI Training What if your years of biology expertise could directly shape how AI understands genetics, biotechnology, and the life sciences - influencing the next generation of scientific AI for researchers worldwide? We're looking for Biology experts with advanced degrees to help build and train cutting-edge AI models....


  • Toronto, Ontario, Canada Weekday Ai Full-time

    This role is for one of the Weekday's clientsWe are seeking Physics PhD or Master’s students to collaborate on a premier project with one of the world’s top AI labs.In this role, you will apply your subject matter expertise to a cutting-edge initiative focused on advancing large language models. You will contribute by curating and designing high-quality,...


  • Toronto, Ontario, Canada Obsidian Full-time

    Mercor is hiring Physics PhDs specializing in General Relativity for an elite AI endeavor. Your astrophysics and cosmology expertise will be essential in refining AI models. This ongoing project starts in February, with candidates contributing 4-6 tasks per week. You will solve complex challenges that enhance high-quality data for AI systems. Strong...

  • Physics PhD

    19 hours ago


    Toronto, ON, Canada Obsidian Full-time $80,000 - $100,000 Contract

    Job OverviewMercor is seeking Physics PhD’s (Graduated) specializing in General Relativity, Astrophysics, and Cosmology for a premier project with one of the world’s top AI labs.In this role, you will contribute your subject matter expertise to a cutting‑edge project involving state‑of‑the‑art large language models. Specifically, you will help...

  • Physics PhD

    19 hours ago


    Toronto, ON, Canada Obsidian Full-time $75,000 - $95,000 Contract

    Mercor is seeking Physics PhD’s (Graduated) specializing in one of the following sub‑domains:Statistical Mechanics, Condensed Matter & AMO PhysicsAdvanced Quantum, Electrodynamics & Classical MechanicsString theory, QFT, Particle physics & Nuclear physicsGeneral Relativity, Astrophysics & CosmologyIn this role, you will contribute your subject matter...

  • Mathematics PhD

    2 days ago


    Toronto, ON, Canada Obsidian Full-time $83,000 - $124,000 Contract

    Mercor is hiring PhD and Master's scientists to author AI evaluation tasks (Sci Code)Mercor is partnering with leading AI labs on a new benchmark for scientific computing. You will author original, executable research problems that today's frontier models cannot solve.Domains - depth required in at least two subdomains (with a coding focus)Mathematics —...


  • Toronto, ON, Canada Google Full-time $42,000 - $64,000 Contract

    Advance your research career with Google’s PhD Student Researcher Internship. Engage with top researchers on flexible, innovative projects in technology and science. Google offers a rich program for those currently pursuing a PhD in fields like Computer Science or Econometrics. This internship allows for the exploration of vast research topics, making it...


  • Toronto, ON, Canada Google Full-time $42,000 - $64,000 Contract

    Minimum qualifications:Currently enrolled in a PhD degree in Computer Science, Linguistics, Statistics, Biostatistics, Applied Mathematics, Operations Research, Economics, Natural Sciences, or related technical field.Experience in one area of computer science (e.g., Natural Language Understanding, Computer Vision, Machine Learning, Deep Learning, Algorithmic...


  • Toronto, Ontario, Canada Google Full-time $120,000 Contract

    info_outlineXApplications will be reviewed on a rolling basis and it’s in the candidate’s best interest to apply early. The anticipated application window is open until February 26, 2027, but may close earlier if all available projects are full.Timing on when you can hear back will vary and can take upwards of 90+ days. If you haven’t heard from us...

  • Biology PhD

    4 days ago


    Toronto, ON, Canada Obsidian Full-time $34,000 - $62,000 Contract

    Mercor is hiring PhD and Master's scientists to author AI evaluation tasks (Sci Code) Mercor is partnering with leading AI labs on a new benchmark for scientific computing. You will author original, executable research problems that today's frontier models cannot solve. Domains — depth required in at least two subdomains (with a coding focus) Biology —...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Turing Full-time

    Overview Remote Chemistry Specialist (PhD) - 348793 days ago Be among the first 25 applicants Are you passionate about solving challenging chemistry problems? Turing is looking for PhD-level researchers in Chemistry to test the reasoning capabilities of large language models (LLMs). You'll create Chemistry problems, analyze model responses, and identify...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Turing Full-time

    1 day ago Be among the first 25 applicants Are you passionate about solving logical problems and working through challenging math? Turing is looking for PhD-level researchers in mathematics to test the reasoning capabilities of large language models (LLMs). You'll create math problems, analyze model responses, and identify gaps in logic or understanding....


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Google Full-time

    Advance your research career with Google's PhD Student Researcher Internship. Engage with top researchers on flexible, innovative projects in technology and science. Google offers a rich program for those currently pursuing a PhD in fields like Computer Science or Econometrics. This internship allows for the exploration of vast research topics, making it...


  • Toronto, ON, Canada Turing Full-time $56,826 - $80,934 Contract

    Remote contract for PhDs in Chemistry, Chemical Engineering, or related fields. Work on cutting-edge projects with top AI labs while earning up to $50+/hour, fully remote, with flexible weekly hours. No AI experience required Role Overview Help fine-tune large language models (like ChatGPT) using your chemistry knowledge. You’ll design problems, check how...


  • Toronto, ON, Canada Mercor Full-time $83,000 - $124,000 Contract

    Mercor is seeking a Mathematics PhD to author challenging AI evaluation tasks tailored for advanced models. This part-time engagement allows you to showcase your mathematical expertise in scientific computing. As a part of Mercor's collaboration with leading AI labs, you will work on developing original and executable problem sets in various mathematical...