Jobs for data annotator at Toronto

Come be a part of our mission and make a meaningful and positive impact with the industry leading provider of language services for the Deaf and hard-of-hearing! * This is a Canada Remote Only Position * Pay Range: Actual pay may vary up or down depending on job-related factors which may include knowledge, skills, experience, and location. In addition,...

About The Role AI Trainer jobs in Canada focus on improving large language models through RLHF-style evaluations, prompt evaluation, data labeling, and QA evaluation across real AI/ML training pipelines. You will follow detailed annotation guidelines, verify training data quality, and provide structured feedback that improves helpfulness, correctness, and...

About the RoleWe are looking for detail-oriented Generative AI Analysts to support a variety of AI training, data annotation, evaluation, and quality review projects. Project DetailsJob Title: Translation Validation - French (Canada)Location: Remote (Canada)Employment Type: FreelancePay Rate: 20USD/per hourDepending on the project, you may work with text,...

Accelerate innovation at Mecka AI as an Engineer focused on ML infrastructure and tooling. Your work will streamline operations for our Computer Vision Machine Learning team. In this role, you will develop critical services and oversee the annotation platform crucial for our robotics and AI projects. This position requires both frontend expertise and a...

Fluent Language Skills Required: Japanese. Native fluency in Japanese, including full command of kanji, hiragana and katakana, is required for this position. All annotation and transcription work is performed in Japanese.Why This Role ExistsDocument understanding breaks down fastest in the languages that parsing and vision-language models rarely see. This...

Take on a crucial role at Waabi as a Senior Product Designer specializing in tools for autonomous driving data. Enhance the integration of human expertise and automation for improved safety. As a part of Waabi's innovative team, you will design systems that bridge expert human judgment and automated tools. Your primary responsibilities will involve...

Mecka AI is building the data infra layer for robotics and embodied AI, enabling data capture, labeling, and hardware-enabled workflows used by leading AI labs. You will own the internal annotation platform and develop lightweight ML services like PII blurring, balancing privacy and data preservation.You will join a hybrid engineering role bridging practical...

Mercor is seeking experienced German Linguistic Experts to join a cutting-edge AI research project. The role focuses on evaluating LLM performance in German-language tasks and curating high-quality German linguistic data to train and improve model understanding and generation capabilities. You will edit, annotate, and provide linguistic feedback while...

Mercor is seeking a remote AI red team specialist to probe conversational models and identify vulnerabilities. You will annotate failures, surface risks, and generate reproducible data for safety improvements.The role emphasizes structured testing, clear communication of risks to diverse stakeholders, and the ability to adapt across multiple projects....

Job Title Document Reviewer Job Type Contract Location Remote Job Summary In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. Key Responsibilities Carefully review large volumes of structured and unstructured data, ensuring...

A tech company specializing in AI is seeking an AI Trainer based in Canada. The role involves improving large language models through RLHF-style evaluations, prompt evaluation, and data labeling. Candidates should have experience with structured evaluation, strong writing skills, and familiarity with AI evaluation workflows. This position offers an hourly...

Mercor seeks experienced English Linguistic Experts to join an AI research project and evaluate LLM performance on English-language tasks. You will curate high-quality English linguistic data to train and improve the model’s understanding and generation capabilities.Responsibilities include evaluating, editing, annotating, and providing linguistic feedback...

Mercor is building a red team for AI safety. This remote role focuses on adversarial testing of conversational AI models, with tasks including jailbreaks, prompt injections, and bias probing.You will generate high‑quality human data, annotate vulnerabilities, and document reproducible attack cases for customers. Ideal candidates are experienced in AI red...

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....

Contribute to innovative AI projects as a remote Document Reviewer. Your expertise will ensure data integrity and compliance while analyzing structured and unstructured data. This contract role demands a keen eye for detail as you review significant volumes of documents and identify PII risks. You'll be responsible for following strict guidelines and...

Fluent Language Skills Required: Japanese. Native fluency in Japanese, including full command of kanji, hiragana and katakana, is required for this position. All annotation and transcription work is performed in Japanese.Why This Role Exists Document understanding breaks down fastest in the languages that parsing and vision-language models rarely see. This...

Role PurposeEnsure the linguistic and phonetic quality of Omilia’s multilingual Text-to-Speech (TTS) systems by designing phoneme inventories, developing lexicons, and reviewing audio corpora to support enterprise-grade voice experiences.AccountabilitiesAutonomy: Independently conduct phonological and phonetic analysis, design phoneme inventories, and...

A global technology company is seeking freelancers for remote linguistic projects involving data annotation, transcription, and validation. Candidates must be fluent in both French and English, have basic computer skills, and pay strong attention to detail. Successful applicants will complete mandatory tests after applying. This position allows for flexible...

French (Canada) Linguistic Projects (Remote) 🌟 Join Sigma.AI – Shaping the Future of Artificial Intelligence 🌍 🔹 What is Sigma? Sigma is a leading global technology company specializing in data collection and annotation for Artificial Intelligence. With over 30 years of experience, offices in Spain, the US, and the UK, and operations in more than...

YO AI Labs is seeking an experienced Civil Rights Attorney to contribute legal expertise to an AI-enabled project. You will review, annotate, and refine AI-generated civil rights content, focusing on accuracy, legality, and ethical considerations.This remote contractor role emphasizes strong legal research, writing, and collaboration with interdisciplinary...