Remote Fullstack Engineer: AI Code Review & Testing

AI Trainer Jobs; United States; Remote; USD 152,000 - 207,000; Full time

Benefits offered by this job

Remote work

Job summary

AI Trainer Jobs is seeking a highly capable Fullstack Engineer for a remote contractor role. You will run, reproduce, and evaluate candidate code outputs, grading them for correctness and edge cases while writing minimal failing tests to uncover bugs.

The position requires strong engineering judgment and experience with unit tests, and you’ll compare paired solutions with a formal rationale. Remote work is provided, and compensation is hourly after interview.

Qualifications

• Strong day-job engineering experience with reading, running, and debugging unfamiliar code for Fullstack Engineer work.
• Ability to write concise unit tests that capture a single failure mode.
• Familiarity with a testing framework (pytest, Jest, JUnit) and related tooling.

Responsibilities

• Run and reproduce candidate code outputs in a sandboxed environment for Fullstack Engineer assignments.
• Grade full-stack engineering solutions for correctness, style, and edge-case handling.
• Write minimal failing tests that demonstrate the bug a model output missed.
• Compare paired solutions and rank them with a written rubric-based rationale.
• Tag failure modes (compile error, runtime crash, off-by-one, security issue) with severity scores.

Skills

Code review

Debugging

Unit testing

Full-stack engineering

Software engineering judgment

Tools

pytest

Jest

JUnit

Job description

AI Trainer Jobs is seeking a highly capable Fullstack Engineer for a remote contractor role. You will run, reproduce, and evaluate candidate code outputs, grading them for correctness and edge cases while writing minimal failing tests to uncover bugs.

The position requires strong engineering judgment and experience with unit tests, and you’ll compare paired solutions with a formal rationale. Remote work is provided, and compensation is hourly after interview.