language data annotator jobs in Toronto

Review recorded video sessions of robotic arms executing various industrial tasks.Apply provided grading and annotation guidelines to tag, classify, and comment on each session.Identify, document, and categorize mechanical or control problems observed in the footage.Utilize expert understanding of machine movement to pinpoint reasons for operational failures...

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,...

Work Location:Toronto, Ontario, CanadaHours:37.5Line of Business:Technology SolutionsPay Details:$126,800 - $164,100 CADThis role is eligible for a discretionary variable compensation award that considers business and individual performance.TD is committed to providing fair and equitable compensation opportunities to all colleagues. Growth opportunities and...

This role is for one of our clientsCompensation: $50-$70 per hourAre 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...

Clinical Systems Analyst (AI Training) At Alignerr, we partner with the world's leading AI research teams and labs to build and train cutting‑edge AI models. We're looking for experienced Clinical Systems Analysts to bring their healthcare IT expertise to the forefront of AI development. About The Role This is a unique opportunity to apply your deep...

Data Science, Senior Consultant – Healthcare & Life Sciences, Elevate In Canada - Toronto  Simon-Kucher's sole focus is on unlocking better growth for our clients, increasing their long-term sales, value, and profit. We achieve this by optimizing every lever of their commercial strategy – customer engagement, product, pricing, innovation,...

About the job RQ08354 - Software Developer - Senior Description - Work with Business Analysts / UX & UI Designer / Product Manager / Cloud Architect, base on storyboard, user stories, UI/UX artefacts, solution architecture, security requirements, data models, develop application design and technical specification document, deliver quality software products...

About the job RQ09196 - Software Developer - SeniorDescriptionHybrid Work Environment: The successful candidate is expected to work onsite at 222 Jarvis St 3 days per week, and may work remotely up to 2 days per week.ResponsibilitiesRequired to translate technical systems specifications into working, tested applications. This includes:Developing detailed...

Masters & PhD Researcher (AI Training) - AlignerrWhat if your years of graduate research could directly shape the intelligence of AI systems used by millions of people worldwide? We're looking for Masters and PhD researchers to bring their deep domain expertise to one of the most consequential challenges in technology — teaching AI to reason,...

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...

Palona is building AI for the physical world, starting with restaurants. Understanding a busy restaurant means making sense of people, objects, activities, and events as they change over time, despite occlusion, changing lighting, varied camera views, and incomplete information. We are looking for an AI Research Engineer with a strong research background in...

About the job RQ09609 - Systems Analyst - Senior Work with Business Analysts / UX & UI Designer / Product Manager / Cloud Architect, base on storyboard, user stories, UI/UX artefacts, solution architecture, security requirements, data models, develop application design and technical specification document, deliver quality software products (including Minimal...

Biology Subject Matter Expert (AI Training) About The Role We're looking for biology experts to help train and evaluate cutting-edge AI models. Your scientific knowledge will directly shape how AI understands and reasons through complex biology problems — from cell biology to biochemical pathways to molecular genetics. This is a unique opportunity to...

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...

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....

Document Review Specialist (AI Training)About The RoleWhat if your sharp eye for detail could directly influence how AI understands the written world? We're looking for Document Review Specialists in the Toronto area to read, annotate, and classify real-world documents — helping AI systems make sense of everything from news articles to financial reports....

DescriptionYouth Wellness Hubs Ontario (YWHO, www.youthhubs.ca) is a network of 32, Integrated Youth Services (IYS) networks that currently operate in over 40 communities, where young people ages 12 to 25 years have walk-in access to youth-centered, community-based mental health and wellness services. YWHO engages youth, family members, service providers,...

About the job RQ08350 - Software Developer - Senior Description Work with Business Analysts / UX & UI Designer / Product Manager / Cloud Architect, based on storyboard, user stories, UI/UX artefacts, solution architecture, security requirements, data models, develop application design and technical specification document, deliver quality software products...

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...

A leading AI firm in Toronto is seeking a part-time Data Annotation Specialist to enhance their Large Language Models. This role requires native proficiency in German and excellent English skills. Responsibilities include labeling, auditing, and correcting data, which significantly impacts model performance. The position offers a competitive rate of 30...