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Job Description

Backend Software Engineer: Python

Posted on January 02, 2026 by Mercor

Mercor is hiring experienced Python Engineers to support high-impact research collaborations with leading AI labs. Freelancers will help improve AI systems through work extending coding benchmarks that reflect real-world development across diverse languages and domains.

This is a unique opportunity to apply your engineering expertise toward shaping the next generation of intelligent systems.

Key Responsibilities

• Develop and validate coding benchmarks in Python by curating issues, solutions, and test suites from real‑world repositories.


• Ensure benchmark tasks include comprehensive unit and integration tests for solution verification.


• Maintain consistency and scalability of benchmark task distribution.


• Provide structured feedback on solution quality and clarity.


• Debug, optimize, and document benchmark code for reliability and reproducibility.

Ideal Qualifications

• 3?10 years of experience as a backend software engineer, ML engineer, or applied data scientist.


• Degree in Software Engineering, Computer Science, or a related field.


• Strong proficiency in Python.


• Experience with debugging, testing, and validating code.


• Comfortable with technical writing and attention to detail.

Project Timeline

• Start Date: Immediate.


• Duration: 1 month.


• Commitment: Part‑time (15?20 hours/week).


• Schedule: Fully remote and asynchronous, flexible working hours.

Compensation & Contract

• $80 per hour plus lucrative bonus per approved task (1 task takes approximately 1 hour to complete).


• Median average pay inclusive of bonuses is $200/hr.


• Independent contractor.


• Daily payment via Stripe Connect.

Application & Onboarding Process

• Upload your resume.


• AI interview: A short, 15‑minute conversational session to understand your background, experience, and interest in the role.


• Brief assessment testing real‑world coding ability, technical depth, and debugging approach.


• Follow‑up communication within a few days with next steps and onboarding details.

Apply today and leverage your software engineering expertise to help build the future of AI‑driven systems!

Location: Toronto, ON.

Work location: On site.

Salary: $200.00 DAY daily.

Terms of employment: Full time.

Starts as soon as possible.

Vacancies: 1 vacancy.

Source: Talent.com #88c6a5ca8c27.