[Remote] AI Developer Jobs in Canada

Note: The job is a remote job and is open to candidates in USA. Rex.zone builds AI-powered recruiting and talent solutions, and they are seeking an AI Developer to focus on building, evaluating, and deploying AI systems used in real-world ML training pipelines. The role involves developing data pipelines, implementing evaluation harnesses, and contributing to content safety labeling workflows.ResponsibilitiesBuild and maintain AI services for training and inference (batch + real-time APIs)Implement evaluation harnesses for LLM evaluation, prompt evaluation, and regression testingIntegrate RLHF feedback loops and human review tooling to improve model behaviorDevelop data pipelines supporting data labeling, NER, and computer vision annotation at scaleDefine metrics for model performance improvement and monitor quality drift in productionPartner with annotators/QA to enforce annotation guidelines compliance and resolve edge casesContribute to content safety labeling workflows (policy routing, moderation, audits)SkillsStrong Python engineering with ML frameworks (PyTorch/TensorFlow) and API developmentExperience with LLM pipelines, evaluation datasets, and prompt iterationFamiliarity with MLOps, CI/CD, containerization, and cloud deploymentKnowledge of NLP (NER, classification, retrieval) and/or CV (detection, segmentation)Company OverviewRemoExperts (by Abaka AI) is a global platform where skilled professionals and tutors contribute to AI training across video, image, audio, text, code, math, and more. It was founded in 2025, and is headquartered in Palo Alto, California, US, with a workforce of 201-500 employees. Its website is https://www.remoexperts.com.



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