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freelancing

Mercor for Software Engineers in 2026

Why senior engineers pull $40 to $80 per hour on Mercor in 2026 reviewing code, writing reference solutions and rating AI fixes — fully async, on top of their main role.

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Frequently asked

What kind of engineering work does Mercor have?
Code review and rating, writing reference solutions, evaluating AI-generated patches, building benchmark problems, and reasoning about correctness on edge cases. Mostly read-and-write work, very little live collaboration.
Which engineering specialties pay best?
Security, machine learning infrastructure, distributed systems, advanced front-end, performance-critical systems, and underserved stacks tend to clear higher rates. Generic CRUD work pays at the lower end of the range.
How does Mercor fit alongside a day job?
Most engineers do five to fifteen hours per week on top of full-time work. Tasks are bite-sized and async so they fit evenings and weekends without ceremony. Most contracts have generous flexibility on availability.
Is Mercor a path away from a salaried job?
For specialists in shortage areas, Mercor can stack with consulting and Toptal-style contracts to replace salaried income. For most engineers it is a strong supplement, especially across a year of travel.
Do I need a famous CV?
No, but you need credible signals. Strong open-source contributions, prior senior roles or a sharp assessment can all earn you in. Mercor cares about your writing and judgment, not just where you worked.

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AI training income

Get paid by AI labs to train LLMs in your field.

Mercor matches doctors, lawyers, engineers, writers and multilingual experts with AI labs that need real domain knowledge to train better models. Rates run $25 to $60 per hour, sometimes higher. Work async, from any base, on your own schedule.

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