Backend Engineer - AI Coding Agent
Toronto, ONMercor
2+ ansCandidates need 2+ years of professional backend engineering experience, including APIs, distributed systems, microservices, backend platforms or databases. They must regularly use AI coding agents and be able to judge generated code for bugs and tradeoffs.
Cursor, Claude Code, Codex, Windsurf, Gemini CLI
Frontend Engineer - AI Coding Expert
Toronto, ONMercor
2+ ansCandidates need at least two years of professional frontend experience with React, TypeScript or JavaScript. They must already use AI coding agents regularly and be able to judge the quality of AI-written frontend code.
React, TypeScript, JavaScript, Cursor, Claude Code, Codex
Data Engineer - AI Coding Expert
Toronto, ONMercor
2+ ansCandidates need at least 2 years of professional data engineering experience, experience building ETL pipelines, warehouses or data platforms, and regular use of AI coding agents. Strong judgment in evaluating data infrastructure is essential.
Cursor, Claude Code, Codex, Windsurf, Gemini CLI
iOS Engineer - AI Model Evaluator
Toronto, ONMercor
2+ ansCandidates need 2+ years of professional iOS engineering experience with Swift and modern iOS frameworks, and regular use of AI coding agents. They must be able to evaluate model-generated mobile implementations and architectural decisions.
Cursor, Claude Code, Codex, Windsurf, Gemini CLI
AI Adversarial Specialist - Fully Remote | Upto $22/hr
Toronto, ONMercor
Candidates need fluency in English and Kannada, prior red teaming or adversarial AI, cybersecurity or socio-technical probing experience, and the ability to explain risks clearly. Adversarial ML, cybersecurity and creative probing backgrounds are preferred.
Research, Cybersecurity, ML
Cybersecurity Specialist - AI Systems
Toronto, ONMercor
3+ ansCandidates need at least 3 years of professional cybersecurity experience in an enterprise, consultancy, MSSP or government setting. Strong analytical thinking, clear written communication and attention to detail are required; certifications such as CISSP or OSCP are preferred.
SIEM
Security Engineer - AI Coding Agent
Toronto, ONMercor
2+ ansCandidates need 2+ years of professional security engineering experience in application, cloud, infrastructure or vulnerability security. They must regularly use AI coding agents and be able to spot flaws in model-generated code.
Cursor, Claude Code, Codex, Windsurf, Gemini CLI
AI Safety Specialist - Fully Remote | Upto $22/hr
Toronto, ONMercor
Candidates need fluent English and Odia, prior red teaming or adversarial testing experience in AI, cybersecurity or socio-technical risk, and strong communication skills to explain risks to both technical and non-technical audiences.
Research, Work independently, Meet deadlines, Cybersecurity, Communication skills, ML
Automated Planning PhD - AI Expert
Toronto, ONMercor
Candidates need a PhD or advanced degree in Computer Science, AI, Machine Learning or Operations Research, with a focus on automated planning or symbolic AI. Strong attention to detail and excellent written and verbal communication are required.
Research, Problem solving, Data analysis, Work independently, Computer science, Artificial intelligence
DevOps Engineer - AI Model Evaluator
Toronto, ONMercor
2+ ansCandidates need at least 2 years of professional DevOps, SRE or cloud engineering experience. They must know cloud platforms or Kubernetes and use AI coding tools regularly.
Kubernetes, Terraform, Cursor, Claude Code, Codex, Windsurf
AI Safety Expert - Red Team
Toronto, ONMercor
Candidates need fluency in English and Marathi, prior red-teaming experience (AI adversarial work, cybersecurity or socio-technical probing), and the ability to explain risks clearly to technical and non-technical audiences. Adversarial ML, penetration testing and psychology or writing skills are preferred.
Research, Cybersecurity, Adaptability, ML, Penetration testing, Reverse engineering
DevOps Engineer - AI Model Evaluator
Toronto, ONMercor
2+ ansCandidates need at least 2 years of professional DevOps, SRE or cloud engineering experience. They must know cloud platforms or Kubernetes and use AI coding tools regularly.
Kubernetes, Terraform, Cursor, Claude Code, Codex, Windsurf
AI Safety Expert - Red Team
Toronto, ONMercor
Candidates need fluency in English and Telugu and prior red teaming experience in AI adversarial work, cybersecurity or socio-technical probing. Mercor also needs people who can explain risks clearly to technical and non-technical audiences.
Research, Work independently, Cybersecurity, ML
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+ ansCandidates 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+ ansCandidates 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