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Job Title


Frontend Engineer


Company : Mercor


Location : Toronto, Ontario


Created : 2026-03-23


Job Type : Full Time


Job Description

About The Job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D''''Angelo , Larry Summers , and Jack Dorsey . Position: Software Engineer Type: Freelance Compensation: $70$80/hour Duration: 12 months Commitment: 1525 hours/week, with flexibility up to 40 hours/week Role Responsibilities Write realistic, self-contained prompts for client-side web apps, games, tools, and simulations. Create precise, binary rubrics tagged by verification type to ensure quality. Ensure all rubric items are pass/fail and verifiable from screenshot + code inspection. Develop high-quality vibe coding data to train models on skills like state management, interactivity, UI correctness, and robustness. Collaborate on building training datasets to improve AI model performance on real-world client-side web development tasks. Work independently and asynchronously to meet deadlines and improve AI model performance. Qualifications Must-Have 2+ years of experience in frontend/full-stack development or technical content creation. Bachelor''''s degree in Software Engineering, Computer Science, or a related field. Strong proficiency in JavaScript, TypeScript, React, or vanilla JS. Comfortable writing precise technical specifications and evaluation criteria. Start Date Immediate Application Process (Takes 2030 mins to complete) Upload your resume AI interview: A short, 15-minute conversational session to understand your background, experience, and interest in the role Follow-up communication within a few days with next steps and onboarding details Resources & Support For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome/welcome For any help or support, reach out to: [email protected] PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity. #J-18808-Ljbffr