Astrophysics Software Designer - Expert
Toronto, ONMercor
Candidates need graduate-level STEM training, proven scientific software skills, and strong Python. They also need Linux and terminal experience and at least 15 to 20 hours per week available.
Python, astropy, Linux terminal
Investment Research Analyst
Toronto, ONMercor
1+ YOECandidates need 1–3 years in investment banking, equity research or buy-side work, a solid grasp of financial statements and valuation, and strong Excel and financial modeling skills. Clear communication and high attention to detail are also required.
Excel, Python, SQL
Cosmology Specialist - Fully Remote | Upto $100/hr
Toronto, ONMercor
Candidates need graduate-level STEM training or equivalent research experience, published or professional use of scientific software, and strong Python skills. They must work in a Linux terminal environment and be available 15–20 hours a week.
astropy, Python, Linux
CAD Software Expert - Annotation Specialist
Toronto, ONMercor
Mercor needs hands-on professional experience with CAD software such as AutoCAD, SolidWorks, Fusion 360, CATIA, Revit or Siemens NX. Candidates need strong knowledge of these tools' interfaces, attention to detail and clear written English.
AutoCAD, SolidWorks, Fusion 360, CATIA, Revit, Siemens NX
Backend Engineer - AI Coding Agent
Toronto, ONMercor
2+ YOECandidates 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+ YOECandidates 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+ YOECandidates 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
Frontend Developer - Fully Remote | Upto $85/hr
Toronto, ONMercor
2+ YOECandidates need 2+ years of professional frontend experience with React, TypeScript or JavaScript, regular use of AI coding agents, and the ability to evaluate frontend implementations and performance.
Cursor, Claude Code, Codex, Windsurf, Gemini CLI
iOS Engineer - AI Model Evaluator
Toronto, ONMercor
2+ YOECandidates 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
Data Engineer - Fully Remote | Upto $80/hr
Toronto, ONMercor
2+ YOECandidates need 2+ years of professional data engineering experience, including building ETL pipelines, data warehouses or distributed data systems. They must regularly use AI coding agents and be able to evaluate model-generated data infrastructure.
Cursor, Claude Code, Codex, Windsurf, Gemini CLI
French Voice Actor - TTS Expert
Toronto, ONMercor
Candidates need native or native-level French with a neutral accent and proven voice acting, dubbing, narration or broadcasting experience. They also need a professional recording setup and weekly availability for the project.
Audacity, Adobe Audition, Reaper
Voice Narrator - Fully Remote | Upto $150/hr
Toronto, ONMercor
Candidates need native-level French with a neutral, accent-free accent and proven voice acting, dubbing, narration or broadcasting experience. They need a professional or near-professional recording setup and reliable availability for 5–10 hours per week.
Audacity, Adobe Audition, Reaper
Backend Developer - Fully Remote | Upto $85/hr
Toronto, ONMercor
2+ YOECandidates need at least 2 years of professional backend engineering experience, including building APIs, distributed systems, microservices or databases. They must regularly use AI coding agents and be able to judge model-generated code for bugs and architectural tradeoffs.
Cursor, Claude Code, Codex, Windsurf, Gemini CLI
AI/ML Engineer - Fully Remote | Upto $85/hr
Toronto, ONMercor
2+ YOECandidates need at least two years of professional machine learning engineering experience, including production ML systems or LLM applications. They must regularly use AI coding agents and judge model-generated implementations and tradeoffs.
Cursor, Claude Code, Codex, Windsurf, Gemini CLI
Mobile Engineer - Fully Remote | Upto $85/hr
Toronto, ONMercor
2+ YOECandidates need at least 2 years of professional iOS experience with production apps in Swift and modern iOS frameworks. They must regularly use AI coding agents such as Cursor or Claude Code and judge model-generated mobile architecture.
Swift, 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. They must know cloud platforms or Kubernetes and use AI coding tools regularly.
Kubernetes, Terraform, Cursor, Claude Code, Codex, Windsurf
CAD Engineer - Fully Remote | Upto $90/hr
Toronto, ONMercor
Candidates need hands-on professional experience with CAD software and a strong grasp of its daily workflows. They must follow precise guidelines, write clear English, and have reliable access to the software.
AutoCAD, SolidWorks, Fusion 360, CATIA, Revit, Siemens NX
Python Developer - Fully Remote | Upto $50/hr
Toronto, ONMercor
Candidates need strong Python skills, experience with APIs and backend systems, and comfort with Docker, Linux and local testing. Familiarity with configuration files, deployment pipelines and problem-solving is also required.
Python, FastMCP, Docker, Linux, RL Studio
Healthcare Workflow Specialist - Fully Remote | Upto $80/hr
Toronto, ONMercor
3+ YOECandidates need an active RN licence and 3 to 5+ years of clinical nursing experience. They must understand clinical documentation and have worked with EHR systems such as Epic or Cerner.
Epic, Cerner, Meditech
DevOps Engineer - AI Model Evaluator
Toronto, ONMercor
2+ YOECandidates 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
Registered Nurse - Clinical Documentation
Toronto, ONMercor
3+ YOECandidates need an active RN licence, 3–5+ years of clinical nursing experience, and a strong grasp of clinical documentation and EHR systems such as Epic, Cerner or Meditech. Strong analytical, communication and problem-solving skills are also required.
Epic, Cerner, Meditech
IT Consulting Expert - F500 Focus
Toronto, ONMercor
5+ YOECandidates need 5+ years in IT consulting, systems integration or managed services at a Fortune 500 firm or enterprise IT team, plus direct ownership of F500 engagements. They also need fluency in enterprise delivery methods and an understanding of F500 budgets and SOW review.
Jira, Confluence, ServiceNow, SAP, Salesforce
Senior Insurance Underwriting Specialist
Toronto, ONMercor
5+ YOECandidates need 5+ years in underwriting, claims, actuarial or risk management at a Fortune 500 insurer or reinsurer, with direct ownership of large portfolios, claims operations or pricing models. Fluency in enterprise insurance tools and regulatory and reinsurance practice is also required.
Guidewire, Duck Creek, SAS, R
UX/UI Design Specialist - Fully Remote | Upto $80/hr
Toronto, ONMercor
5+ YOECandidates need at least five years as a product designer, design lead or AI-native engineer, with shipped design systems or AI-assisted development work. Fluency in vibecoding or design tools and knowledge of user-centered design are also required.
Figma, Framer, Cursor, Claude Code, v0, Replit