machine learning data annotator jobs in Ottawa

1,183 machine learning data annotator job listings in Canada. Find daily updated positions from leading job boards.


  • Ottawa, ON, Canada Tree Trust Full-time €126,400 - €158,000 Contract

    Become part of SurveyMonkey’s Machine Learning Platform team as a Senior Software Engineer II. Focus on building and maintaining highly scalable ML systems that enhance operational efficiency. In this role, you will design secure ML pipelines, leveraging Python and AWS to support high-volume throughput. Collaborating closely with application engineers,...


  • Ottawa, ON, Canada J-Squared Technologies Inc.® Remote Full-time $90,000 - $130,000 Contract

    Available Locations: Ottawa | Toronto | Remote/OtherLeading the charge of developing cutting edge hardware systems.Collaborative and highly skilled cross-functional team.Shaping the future of computing in key industries, turning ideas into reality.That is what we do at J-Squared.Are you passionate about using disruptive technology to solve problems...


  • Ottawa, ON, Canada TransPerfect Full-time

    Join to apply for the Freelance Hebrew Annotator role at TransPerfectLocation: Anywhere (remote/work from home)Language needed: Hebrew, EnglishProject Duration: 15 weeksPreferred availability: 20 hours per week or moreDataForce by TransPerfect is looking for a detail-oriented Hebrew Annotator to support our data processing and AI training initiatives.The...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Talent Seed Full-time

    We are seeking a Senior Director of Machine Learning to lead and scale our ML, ML Ops, and Generative AI teams. This is a senior leadership role at the intersection of cutting-edge AI innovation and high-impact production systems. You will be responsible for shaping our machine learning strategy, delivering robust ML platforms, and driving forward GenAI...

  • AI Data Annotator

    4 days ago


    Ottawa, Ontario, Canada Welo Global Full-time

    OVERVIEWWe are seeking skilled and detail-oriented individuals to join our team as AI Data Annotators. In this role, you will be responsible for performing rating and annotation work that is essential to our AI development process. If you are meticulous and passionate about contributing to the advancement of AI technology, we invite you to apply and become a...


  • Ottawa, ON, Canada Talent Seed Full-time

    We are seeking aSenior Director of Machine Learningto lead and scale our ML, ML Ops, and Generative AI teams. This is a senior leadership role at the intersection of cutting-edge AI innovation and high-impact production systems. You will be responsible for shaping our machine learning strategy, delivering robust ML platforms, and driving forward GenAI...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada TransPerfect Full-time

    Location : Anywhere (remote/work from home) Language needed : Hebrew, English Project Duration : 15 weeks Preferred availability: 20 hours per week or more DataForce by TransPerfect is currently looking for a detail‑oriented Hebrew Annotator to support our data processing and AI training initiatives. The ideal candidate will be responsible for...


  • Ottawa, ON, Canada Affirm, Inc. Remote Full-time $90,000 - $150,000 Contract

    Use affirm’s proprietary and other third party data to develop machine learning models that predict the likelihood of default and make an approval or decline decision to achieve business objectivesPartner with platform and product engineering teams to build model training, decisioning, and monitoring systemsResearch ground breaking solutions and develop...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Alarm.com Full-time €185,000 - €195,000 Temporary

    com is a rapidly expanding technology company developing innovative cloud and device solutions across a wide range of cutting-edge technologies that provide a unified, connected service to millions of residential and commercial properties in the US and abroad. We are looking for a talented and passionate Staff Embedded Software Engineer for the Device...


  • Ottawa, Ontario, Canada Alert Media, Inc. Full-time

    Join AlertMedia as a Senior AI/Machine Learning Engineer, where you'll lead the integration of advanced AI models across products. Optimize model performance and influence our AI strategy through innovative solutions. In this role, you'll train supervised learning models and fine-tune their performance for internal tools and customer features. Your...


  • Ottawa, Ontario, Canada Cross Border Talents Full-time

    Build production AI systems remotely across North America, using Python and machine learning frameworks to improve logistics operations. Work with approximately six-hour Eastern Time overlap.Portless seeks an AI Engineer to design, build, and deploy intelligent systems for e-commerce logistics. You will work with LLMs, computer vision, and predictive...


  • Ottawa, Ontario, Canada Kinaxis Full-time

    About Kinaxis Are you looking to join an innovative, market-leading company where you can truly elevate your career? At Kinaxis we are serious about culture, we are serious about technology, we are serious about customers, and we are serious about not taking ourselves too seriously. If you are looking to be part of an incredible growth story, then we might...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Alert Media, Inc. Full-time

    AlertMedia is looking for an innovative and hands-on Sr. AI/ML Engineer with a strong background in applied machine learning and data science to lead the evaluation, training, and integration of advanced AI and machine learning models across our product suite In this role, you will help shape our AI strategy by identifying the most appropriate models for our...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Babylist Full-time

    We're hiring a Staff MLE for the Discovery team to own recommendations and personalization across Babylist’s consumer experience — the homepage feed, product recs, search, and the ML-powered systems that make registry building feel effortless Babylist was built on editorial recommendations: products chosen by people with deep baby gear expertise. That...

  • Mechanical Engineer

    22 hours ago


    Ottawa, ON, Canada Mate Gauge Full-time €75,000 - €125,000 Contract

    Term:12-month contract designed to convert to Full Time Candidates:New Graduates and experienced Mechanical Engineers or equivalent Reports to: CEO Workplace: Full Time Onsite Travel: 15%of the time - some travel outside North America Technology:Solidworks Annual Salary: Compensation: $75,000 – $90,000 (Recent Graduates) | $90,000 – $125,000...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Alert Media, Inc. Full-time

    Join AlertMedia as a Senior AI/Machine Learning Engineer, where you'll lead the integration of advanced AI models across products. Optimize model performance and influence our AI strategy through innovative solutions. In this role, you'll train supervised learning models and fine-tune their performance for internal tools and customer features. Your...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Babylist Full-time

    We're hiring a Staff MLE for the Discovery team to own recommendations and personalization across Babylist’s consumer experience — the homepage feed, product recs, search, and the ML-powered systems that make registry building feel effortless Babylist was built on editorial recommendations: products chosen by people with deep baby gear expertise. That...


  • Ottawa, ON, Canada Rex.zone Full-time

    Remote Data Labeling Jobs in Canada (Full Time)Rex.zone supports AI/ML training pipelines through data labeling, RLHF evaluation, prompt evaluation, and QA checks. You will apply annotation guidelines compliance to improve training data quality for large language models and computer vision systems.About The RoleYou will label and evaluate text, image, and...

  • Data Scientist

    22 hours ago


    Ottawa, Canada Polyalgorithm Machine Learning Inc. Full-time €90,000 - €140,000 Contract

    About Us PolyML is a fast-growing AI and data analytics company building next-generation machine learning tools that unlock insight from complex, high-dimensional datasets. Our technology is proven in manufacturing, and we’re expanding into financial services and other data-intensive, highly regulated sectors. We work at the intersection of advanced...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Organimi Full-time

    Organimi ( is a leading B2B SaaS software publisher, and we’re searching for an experienced AI / Machine Learning Developer. The successful candidate will be a key contributor to Organimi’s next generation of intelligent product features and automation systems focused on building, fine‑tuning, and integrating AI models into our platform. You’ll...