Remote Frontend Code-Review Engineer (Contractor)

AI Trainer Jobs; United States; Remote; USD 165,000 - 193,000; Part time

Job summary

AI Trainer Jobs is seeking a Frontend Developer (Creative + Full-Stack) for a remote engineering review track. You will reproduce failures, write unit tests, and explain fixes so the modeling team can target gaps.

The work focuses on evaluating production code, debugging traces, and developer-facing AI outputs for real-world correctness. Engineering model quality depends on code that compiles, passes tests, and handles edge cases.

Qualifications

• Strong day-job engineering experience in frontend/full-stack work.
• Ability to read, run, and debug unfamiliar code for Frontend Developer tasks.
• Clear written reasoning to convince another senior engineer.
• Reliable async availability for at least 10 hours per week.
• Prior code-review or technical-interview-grading experience is a plus.
• Familiarity with a testing framework (pytest, Jest, JUnit, etc.).

Responsibilities

• Run and reproduce candidate code outputs in a sandboxed environment for Frontend Developer assignments.
• Grade frontend engineering solutions for correctness, style, and edge-case handling.
• Write minimal failing tests that demonstrate bugs a model output missed.
• Compare paired solutions and rank them with a written rationale.

Skills

Code review

Debugging

Unit testing

Frontend engineering

Software engineering

Engineering judgment

Tools

pytest

Jest

JUnit

Go test

RSpec

Job description

AI Trainer Jobs is seeking a Frontend Developer (Creative + Full-Stack) for a remote engineering review track. You will reproduce failures, write unit tests, and explain fixes so the modeling team can target gaps.

The work focuses on evaluating production code, debugging traces, and developer-facing AI outputs for real-world correctness. Engineering model quality depends on code that compiles, passes tests, and handles edge cases.