Skip to main content
Mercor logo

Principal Software Engineer - Fully Remote

Mercor
Toronto, Ontario, CAPosted March 19, 2026

Resume Keywords to Include

Make sure these keywords appear in your resume to improve ATS scoring

PythonJavaScriptJava

Sign up free to auto-tailor your resume with all these keywords and get a higher ATS score

Job Description

Job Description

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: $50–$150/hour

Duration: 1–2 months

Commitment: 15–25 hours/week

Role Responsibilities

  • Review and refine AI-generated prompts, responses, and code to enhance system performance.
  • Validate algorithms and software concepts for technical accuracy and reliability.
  • Provide structured feedback on solution quality and clarity to improve AI systems.
  • Tag and organize content by topic, difficulty, or language to support data management.
  • Support benchmarking efforts to assess model capabilities and performance metrics.

Qualifications

Must-Have

  • 2+ years of experience in software engineering, technical research, or educational content development.
  • Bachelor’s degree in Software Engineering, Computer Science, or a related field.
  • Strong proficiency in languages like Python, JavaScript, Java, or C++.
  • Experience with debugging, testing, and validating code.
  • Comfortable with technical writing and attention to detail.

Start Date

  • Immediate

Application Process (Takes 20–30 mins to complete)

  • Upload 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:
  • For any help or support, reach out to:

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

Want AI-powered job matching?

Upload your resume and get every job scored, your resume tailored, and hiring manager emails found - automatically.

Get Started Free