Jobs for data annotations at Toronto

1,000 data annotations job listings in Canada. Find daily updated positions from leading job boards.


  • Toronto, ON, Canada LexisNexis Full-time $68,000 - $114,000 Contract

    Are you a legal professional interested in building the future of legal technology? Do you want to use your legal background in an exciting alternative legal career? Join us in shaping a more just world. About Us LexisNexis, a part of RELX, is a leading global provider of legal, regulatory, and business information. We help customers increase productivity...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Source Code Full-time €92 - €111 Temporary

    RQ00736 - Specialized IT Consultant - Senior 1 Year contract - Hybrid(3 Days)/remote also possible for candidates outside of GTA + 2 Possible extensions of 6 months each Location :Metro Hall - 55 John Street, 2nd Fl Must Haves: This is a Maximo Functional Consulting Role 1. 10+ years hands‑on Maximo configuration experience , including direct work in...


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

    Domain Expert - Pharmacy (UpToDate Lexidrug) To qualify you must use UpToDate Lexidrug (or Lexicomp) regularly - weekly or more - as a working part of your job, with 2+ years of professional pharmacy experience. Knows how to reconcile a Special Alert against monograph content when they conflict - recognizes alerts generally take precedence until...


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

    What We Do We build AI models to enable smaller, faster, and more successful clinical trials. What We Do We build AI models to enable smaller, faster, and more successful clinical trials. About Altis Labs Altis Labs is a computational imaging company focused on improving how oncology trials measure treatment benefit. Our core technology is IPRO, an AI...


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

    Palona’s AI agents operate in real restaurant environments: noisy phone lines, varied accents, complex menus, interruptions, incomplete information, strict business rules, and customers who expect an immediate, natural response. Improving these systems requires more than selecting the newest model. It requires disciplined evaluation, high-quality data,...


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

    Mercor is seeking experienced German Linguistic Experts to join a cutting-edge AI research project in partnership with a leading research lab. This role centers on evaluating how effectively a large language model (LLM) performs in French-language tasks and on curating high-quality French linguistic data to train and improve the model’s understanding and...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada HDR Full-time €57,000 - €82,000 Temporary

    At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our...

  • Aerospace Engineer

    5 days ago


    Toronto, ON, Canada YO IT Consulting Full-time $90,000 - $120,000 Contract

    Job Type: Contractor Location: Remote Role Description If you’re an aerospace engineering expert who thrives on technical precision, systems thinking, and rigorous analysis, this is a unique opportunity to contribute directly to how the next generation of AI systems reason about flight, propulsion, structures, aerodynamics, controls, and mission‑critical...


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

    Are you a Level 3 / Tier 3 network support engineer interested in data science and autonomous infrastructure? Our client is building vertically integrated networking systems and using the data they generate to power the next generation of AI-driven infrastructure. They’re looking for engineers experienced in final escalations, packet analysis,...

  • Copywriter - Remote

    5 days ago


    Toronto, ON, Canada YO IT Consulting Full-time $41,328 - $68,880 Contract

    Job Type: Contract, Part-time Location: Remote Role Description In this hourly, remote contractor role, you will work as a Copywriting & Content Subject Matter Expert (SME) to review AI-generated marketing/content-writing outputs and/or create expert copy and content, evaluating reasoning quality, intent alignment, and step-by-step writing decisions while...

  • Medicine QA Lead

    6 days ago


    Toronto, ON, Toronto Census Division, ON; Ontario, Canada YO IT Consulting Full-time

    Job Description Job Title: Medicine Quality Assurance Lead Job Type: Contract Location: Remote About This Role In this hourly, remote contractor role, you will work as a Medicine Quality Assurance Lead to oversee quality, consistency, and trainer performance across medical AI training projects. You will review AI-generated medical content and...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Source Code Full-time €90 - €108 Temporary

    RQ11123 - 2 x Sr. Software Developer - Full Stack Job Openings RQ11123 - 2 x Sr. Software Developer - Full Stack About the job RQ11123 - 2 x Sr. Software Developer - Full Stack RQ11123 - 2 x Sr. Software Developer - Full Stack 2 openings - 2 submissions Must have: Entity Framework or other Object-Relational Mapping data access tools REST APIs REST...


  • Toronto, Ontario, Canada Thomson Reuters Full-time

    About The Role This role sits within the applied science function. You will own the design, development, and production deployment of document understanding systems that directly power Westlaw, PracticalLaw, and CoCounsel. The problems are real, the scale is large, and the expectation is shipped, reliable, measurable impact. About The Role This role sits...


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

    Join Waabi as a Senior Product Designer focused on data-driven workflows vital for autonomous vehicles. Enhance collaboration between automation and expert judgment to improve driving safety and efficiency. In this role at Waabi, you will lead the design of integral human-in-the-loop workflows that convert raw driving data into a reliable autonomy stack....


  • Toronto, Canada RELX Remote Full-time $68,100 - $113,600 Contract

    Are you a legal professional interested in building the future of legal technology? Do you want to use your legal background in an exciting alternative legal career? Join us in shaping a more just world. About Us LexisNexis, a part of RELX, is a leading global provider of legal, regulatory, and business information. We help customers increase...


  • Toronto, ON, Canada EvenUp Full-time $130,000 - $180,000 Contract

    EvenUp is on a mission to close the justice gap using technology and AI. We empower personal injury lawyers and victims to get the justice they deserve. Our products enable law firms to secure faster settlements, higher payouts, and better outcomes for victims injured through no fault of their own in vehicle collisions, accidents, natural disasters, and...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Crossing Hurdles Full-time €90 Temporary

    This range is provided by Crossing Hurdles. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range $50.00/hr - $90.00/hr Direct message the job poster from Crossing Hurdles At Crossing Hurdles, we work as a referral partner. We refer candidates to our partner that collaborates with world’s...


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

    Domain Expert – Pharmacy (UpToDate Lexidrug) To qualify you must use UpToDate Lexidrug (or Lexicomp) regularly - weekly or more - as a working part of your job, with 2+ years of professional pharmacy experience. Lexidrug knowledge we require Core (required of all candidates) Knows how to work a full medication-list interaction check to completion — not...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada YO IT Consulting Full-time

    Job Description Role Title: Logistics & Supply Chain Management Expert Role Type: Contract Location: Remote Scope Of Work Review, analyze, and provide input on logistics documents such as packing lists, bills of lading, and inventory registers for authenticity, accuracy, and industry compliance. Develop and annotate sample documentation to highlight...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Dorado Full-time €15 - €35 Temporary

    Italian Audio Transcriptionist (AI Training) About the Role What if your ability to catch every word, pause, and nuance in spoken Italian could directly shape how AI understands one of the world's most beautiful languages? We're looking for detail-oriented Italian transcriptionists — including Toronto's large and culturally rich Italian-speaking...