Search Systems Engineer - Expert
Toronto, ONMercor
Candidates need experience with production search systems and agentic search, a proven record owning relevance or retrieval on user-facing systems, and strong skills in measuring system impact and improvements.
Research, Work independently
Mathematics Expert - Fully Remote | Upto $77/hr
Toronto, ONMercor
Candidates need a PhD or doctoral candidacy in mathematics, applied mathematics, statistics or a closely related field. They also need strong graduate-level math skills, formal proof writing and excellent written English.
Research, Statistics
Teaching Expert - Fully Remote | Upto $60/hr
Toronto, ONMercor
3+ ansCandidates need at least 3 years of professional education experience and a bachelor's degree in education or a subject field. Strong written communication and attention to detail are essential.
Google Classroom, Canvas, PowerSchool
Program Management Expert - Evaluator
Toronto, ONMercor
5+ ansCandidates need 5+ years of professional program management or implementation planning experience, native or professional English fluency, and strong Microsoft Office and Google Workspace skills, especially Slides. A Master's degree is preferred.
Microsoft Office, Google Workspace, Google Slides
ML Engineer - AI Coding Expert
Toronto, ONMercor
2+ ansCandidates need 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 judge the quality of model-generated ML code.
Cursor, Claude Code, Codex, Windsurf, Gemini CLI
AI Evaluator - Software Expert
Toronto, ONMercor
5+ ansCandidates need 5+ years of professional experience in software, AI, IT or data, fluent English, and strong skills in Microsoft Office and Google Workspace, especially Slides. A master's degree or higher is preferred.
Microsoft Office, Google Workspace, Google Slides
Healthcare Expert - Fully Remote | Upto $1500/task Task based
Toronto, ONMercor
4+ ansCandidates need at least 4 years of professional nursing experience and must be available for a minimum of 20 hours per week, able to scale up to 30+. The role is fully remote and starts immediately.
Research, Work independently
Marketing Analytics Expert - AI Environments
Toronto, ONMercor
Candidates need hands-on marketing analytics experience and fluency in Google Analytics 4, Amplitude, Salesforce and ad platform reporting. Clear written reasoning is also required.
Google Analytics 4, Amplitude, Salesforce, Ad platform reporting
Legal Document Reviewer - Expert
Toronto, ONMercor
3+ ansCandidates need to be qualified lawyers with 3+ years of post-qualification experience. They must be precise and consistent on high-volume review, comfortable across many document types, and able to follow and improve a written protocol.
Research
AI Safety Expert - Red Team
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
Marketing Expert - Creator Programs
Toronto, ONMercor
Mercor needs hands-on experience running creator or influencer programs, comfort with creator platforms and disclosure rules, and clear written reasoning. Prior work on AI training environments and Rubric certification are preferred.
Research, Decision making, Work independently
Clinical Data Manager - CDISC Expert
Toronto, ONMercor
5+ ansCandidates need 5+ years of clinical data experience, hands-on CDISC and SDTM work, comfort with EDC build through database lock, and managerial oversight of full clinical data rooms. They must be located in the US or Canada.
Research, EDC, Work independently, Meet deadlines
French Voice Actor - TTS Expert
Toronto, ONMercor
Candidates need native-level French with a standard, neutral accent, a clear expressive voice, and a professional or near-professional recording setup. Reliable availability for 5–10 hours per week is required.
Audacity, Adobe Audition, Reaper
Content Marketing Expert - AI Environments
Toronto, ONMercor
Mercor needs candidates with hands-on content marketing practice, comfort using a CMS such as Contentful, Google Analytics 4 and Semrush, and clear written reasoning. Experience building AI or RL training environments and Rubric Academy certification are preferred.
Contentful, Google Analytics 4, Semrush
Biology Evaluator - Domain Expert
Toronto, ONMercor
5+ ansCandidates need at least 5 years of professional experience in biology or environmental science, native or professional English, and strong skills in Microsoft Office and Google Workspace, especially Slides. A Master's or higher degree is preferred.
Microsoft Office, Google Workspace, Google Slides
AI Session Reviewer - English Expert
Toronto, ONMercor
Mercor needs a native-level English speaker with clear, precise writing and an Android phone with a working camera and microphone. Experience in annotation, linguistic QA or AI evaluation is preferred.
Android phone
AI Safety Expert - Red Team
Toronto, ONMercor
Candidates need fluency in English and Odia and prior red teaming experience in AI adversarial work, cybersecurity or socio-technical probing. Mercor also needs strong communication skills to explain risks to technical and non-technical audiences.
Research, Cybersecurity, Communication skills, ML, Penetration testing, Reverse engineering
Product Launch Expert - Evaluator
Toronto, ONMercor
5+ ansCandidates need 5+ years of product launch or experiment readiness experience, native or professional English, and high proficiency in Microsoft Office and Google Slides. A Master's degree is preferred.
Microsoft Office, Google Workspace, Google Slides
Field Marketing Expert - Events Specialist
Toronto, ONMercor
Mercor needs candidates with hands-on field marketing or events experience, comfort with CRM tools like Salesforce and project trackers like Asana or Linear, and clear written reasoning. Experience building AI training or simulated case-study environments and a Rubric Academy or Rubric Bootcamp certification are preferred.
Salesforce, Asana, Linear
Diagnostic Imaging Expert - Visage 7
Toronto, ONMercor
2+ ansCandidates need weekly or more Visage 7 use and 2+ years in diagnostic radiology, imaging technology or PACS work. They also need a qualifying credential such as an MD/DO with radiology training, an ARRT/RDMS/NMTCB technologist credential, or a bachelor's plus an imaging informatics certification.
Visage 7, PACS
Music Production Expert - French
Toronto, ONMercor
2+ ansCandidates need native or near-native French, the ability to follow detailed English instructions, and at least 2 years of music production, audio engineering or mixing experience. Studio monitors or headphones for critical listening are also required.
studio monitors, headphones
Paid Growth Marketing Expert
Toronto, ONMercor
Candidates need hands-on paid acquisition experience and fluency in Google Ads, Meta Ads and Google Analytics 4. They also need clear written reasoning skills.
Google Ads, Meta Ads, Google Analytics 4
Lifecycle Marketing Expert - CRM
Toronto, ONMercor
Mercor needs hands-on lifecycle, CRM or retention marketing experience. Candidates should be comfortable with an ESP, Salesforce and Amplitude, and explain their reasoning clearly in writing.
Salesforce, Amplitude, ESP
Marketing Operations Expert - AI Environments
Toronto, ONMercor
Candidates need hands-on marketing operations experience and fluency in CRM, marketing automation, project tracking and support tools such as Salesforce, Asana, Linear, Zendesk or Intercom. Clear written reasoning is required.
Salesforce, Asana, Linear, Zendesk, Intercom