AI Research Scientist - PhD
Toronto, ONMercor
Candidates need a PhD or advanced degree in medicine or healthcare, statistics and data science, AI or ML research, computer science, game development, or mechanical or aerospace engineering. Strong attention to detail and excellent written and verbal communication are also required.
Research, Work independently, Meet deadlines, Statistics, ML, Computer science
AI Safety Expert - Red Team
Toronto, ONMercor
Candidates need native fluency in English and Portuguese, prior red teaming or adversarial testing experience, and strong communication skills. Experience in AI adversarial work, cybersecurity or socio-technical probing is required.
Research, Work independently, Cybersecurity, Communication skills, ML, Penetration testing
Data Science Expert - AI Evaluation
Toronto, ONMercor
5+ YOECandidates need 5+ years of professional data science experience, ideally at top technology companies, with strong experiment design, SQL/Python and executive communication skills. Exceptionally strong written communication and a detail-oriented, consistent approach are essential.
SQL, Python
AI Research Scientist - PhD
Toronto, ONMercor
Candidates need a completed Computer Science PhD, an undergraduate degree from the US, UK, Canada or Western Europe, and a graduate degree from a top university in those regions. Strong attention to detail and excellent English written and verbal communication are required.
Research, Computer science, Work independently, Meet deadlines, Attention to detail, Communication skills
AI Adversarial Specialist - Fully Remote | Upto $62/hr
Toronto, ONMercor
Candidates need fluency in English and Swedish and prior red teaming experience in AI adversarial work, cybersecurity or socio-technical probing. Strong communication skills for technical and non-technical audiences are also required.
Research, Work independently, Meet deadlines, Cybersecurity, Communication skills, ML
AI Safety Expert - Red Team
Toronto, ONMercor
Mercor asks for fluency in English and Norwegian and prior red teaming experience in AI adversarial work, cybersecurity or socio-technical probing. Candidates need a structured approach using frameworks or benchmarks and strong communication skills.
Research, Cybersecurity, Communication skills, Adaptability, ML
AI Safety Specialist - Fully Remote | Upto $45/hr
Toronto, ONMercor
Candidates need native fluency in English and Portuguese, prior red teaming or adversarial AI, cybersecurity or socio-technical probing experience, and strong communication skills. Adversarial ML, penetration testing and conversational AI testing are preferred.
Research, Work independently, Cybersecurity, Communication skills, ML, Penetration testing
AI Safety Specialist - Fully Remote | Upto $62/hr
Toronto, ONMercor
Candidates need fluency in English and Danish and prior red teaming experience in AI adversarial work, cybersecurity or socio-technical probing. Strong communication skills for explaining risks to technical and non-technical audiences are required.
Research, Work independently, Meet deadlines, Cybersecurity, Communication skills, ML
AI Safety Expert - Red Team
Toronto, ONMercor
Candidates need fluency in English and Dutch and prior red teaming experience in AI adversarial work, cybersecurity or socio-technical probing. They must explain risks clearly to both technical and non-technical audiences.
Research, Work independently, Meet deadlines, Cybersecurity, ML
AI Safety Expert - Red Team
Toronto, ONMercor
Candidates need fluency in English and Swedish and prior red teaming experience in AI adversarial work, cybersecurity or socio-technical probing. Strong communication skills for explaining risks to technical and non-technical people are also required.
Research, Work independently, Meet deadlines, Cybersecurity, Communication skills, ML
Data Engineer - AI Model Evaluation
Toronto, ONMercor
2+ YOECandidates need 2+ years of professional data engineering experience, including building ETL pipelines, data warehouses, analytics platforms or distributed data systems. Regular use of AI coding agents such as Cursor, Claude Code or Codex is required.
Cursor, Claude Code, Codex, Windsurf, Gemini CLI
AI Research Scientist - PhD
Toronto, ONMercor
Candidates need a PhD or advanced degree, or equivalent industry experience, in Medicine, Healthcare, Statistics, Data Science, AI/ML Research, Computer Science, Game Development, or Mechanical/Aerospace Engineering. They also need strong attention to detail and excellent written and verbal communication.
Research, Work independently, Statistics, ML, Computer science, Aerospace engineering
AI Evaluator - Software Expert
Toronto, ONMercor
5+ YOEMercor needs 5+ years of professional experience in software, AI, IT or data, English fluency and high proficiency in Microsoft Office and Google Workspace, especially Slides. A master's degree is preferred.
Microsoft Office, Google Workspace, Google Slides
Compliance AI Evaluator - Finance
Toronto, ONMercor
5+ YOEMercor needs candidates with 5+ years of compliance or regulatory experience in financial services, native or professional English, and strong Microsoft Office and Google Workspace skills, especially Slides. A Master's degree or higher is preferred.
Microsoft Office, Google Workspace, Google Slides
Music Producer - AI Evaluation
Toronto, ONMercor
3+ YOECandidates need 3+ years as a music producer, audio engineer or sound mixer, a college degree in music, and native-level French and English.
Research, Compose music, Work independently
AI Safety Specialist - Fully Remote | Upto $62/hr
Toronto, ONMercor
Candidates need fluency in English and Dutch and prior red teaming experience in AI adversarial work, cybersecurity or socio-technical probing. They must explain risks clearly to both technical and non-technical audiences.
Research, Work independently, Meet deadlines, Cybersecurity, ML
AI Research Expert - Fully Remote | Upto $145/hr
Toronto, ONMercor
Candidates need a PhD in machine learning, computer science, AI or a closely related field, plus at least one main conference paper at ICML, NeurIPS or ICLR. Original ML research experience is required, and two or more publications at these venues is strongly preferred.
Research, ML, Work independently, Meet deadlines, Machine learning, Computer science
AI Safety Expert - Red Teaming
Toronto, ONMercor
Candidates need fluency in English and Danish and prior red teaming experience in AI adversarial work, cybersecurity or socio-technical probing. Strong communication skills for explaining risks to technical and non-technical audiences are also required.
Research, Work independently, Meet deadlines, Cybersecurity, Communication skills, ML
Data Scientist - AI Evaluation
Toronto, ONMercor
1+ YOECandidates need at least one year of professional data science experience at a leading technology, research or quantitative firm. Strong Python, SQL, statistical modeling, machine learning and experimentation skills, plus excellent written communication, are required.
Python, SQL
ML Engineer - AI Coding Expert
Toronto, ONMercor
2+ YOECandidates need at least 2 years of professional machine learning engineering experience, including production ML systems or LLM applications. They must regularly use AI coding agents such as Cursor or Claude Code and be able to judge the quality of model-generated ML code.
Cursor, Claude Code, Codex, Windsurf, Gemini CLI
DevOps Engineer - AI Model Evaluator
Toronto, ONMercor
2+ YOECandidates need at least 2 years of professional DevOps, SRE or cloud engineering experience with AWS, Azure, GCP, Kubernetes, Terraform, CI/CD or observability tools. They must regularly use AI coding agents and be able to judge the quality of model-generated infrastructure work.
Kubernetes, Terraform, AWS, Azure, GCP, Cursor
Image Reasoning Specialist - AI Lab
Toronto, ONMercor
Candidates need strong written English, close attention to detail for spotting possible model confusion, and reliability handling multiple tasks. Experience in photography, image editing or data labeling is preferred.
Research, Work independently, Attention to detail, Photography, Editing
AI Safety Specialist - Fully Remote | Upto $62/hr
Toronto, ONMercor
Candidates need fluency in English and Norwegian and prior red teaming or adversarial testing experience in AI, cybersecurity or socio-technical risk. They must work in a structured way with frameworks and benchmarks, communicate clearly with technical and non-technical people, and adapt across projects.
Research, Cybersecurity, Communication skills, Adaptability, ML
AI Safety Expert - Red Team
Toronto, ONMercor
Candidates need native fluency in English and Punjabi and prior experience in red teaming, AI adversarial work, cybersecurity or socio-technical probing. They must explain risks clearly to technical and non-technical people and adapt across projects.
Research, Cybersecurity, Adaptability, ML