Senior Software Engineer at Mercor

Position Senior Software Engineer
Posted 14 Apr 2026
Expired 14 May 2026
Company Mercor
Location Toronto | CA
Job Type Full Time

Job Description:

Latest job information from Mercor for the position of Senior Software Engineer. If the Senior Software Engineer vacancy in Toronto matches your qualifications, please submit your latest application or CV directly through the updated Jobkos job portal.

Please note that applying for a job may not always be easy, as new candidates must meet certain qualifications and requirements set by the company. We hope the career opportunity at Mercor for the position of Senior Software Engineer below matches your qualifications.

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:$75–$80/hour
Location:Remote
Duration:1–2 weeks
Commitment:15–40 hours/week

Role Responsibilities

  • Evaluate and compare the performance of AI-powered CLI coding agents on real-world infrastructure debugging tasks.
  • Solve TerminalBench tasks using AI CLI agents to diagnose and fix failing systems.
  • Write bash scripts to address root causes and ensure they survive service restarts.
  • Diagnose broken systems inside Docker containers involving databases, TLS, pipelines, and more.
  • Compare and rank agents' approaches after each task to inform product decisions.
  • Work independently and asynchronously with flexible hours.

Qualifications

Must-Have

  • 3+ years of experience in software engineering with hands-on debugging of systems and infrastructure.
  • Strong bash/shell scripting proficiency.
  • Experience with Docker and containerization.
  • Skills in infrastructure and systems debugging with PostgreSQL, MySQL, Redis, nginx, TLS, systemd, and log analysis.
  • Familiarity with version control workflows (Git, PRs, issue tracking).

Preferred

  • Experience with AI coding tools like Copilot, Cursor, or Claude.

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.

Job Info:

  • Company: Mercor
  • Position: Senior Software Engineer
  • Work Location: Toronto
  • Country: CA

How to Submit an Application:

After reading and understanding the criteria and minimum qualification requirements explained in the job information Senior Software Engineer at the office Toronto above, immediately complete the job application files such as a job application letter, CV, photocopy of diploma, transcript, and other supplements as explained above. Submit via the Next Page link below.

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