Remote Back-End Engineer for AI Code Review

AI Trainer Jobs; United States; Remote; USD 69,000 - 165,000; Full time

Job summary

AI Trainer Jobs is seeking a Back-End Engineer for a remote engineering review track. You will evaluate production code, debug traces, and assess developer-facing AI outputs against real-world correctness standards.

Responsibilities include reproducing failures, writing the unit tests the model should have written, and explaining the fixes so the modeling team can target the gap. This is a remote contractor role, US-eligible.

Qualifications

• Open-source contributions or a public portfolio that demonstrates production-quality code.
• Experience with the target language's standard tooling, linting, and testing workflows.

Responsibilities

• Run and reproduce candidate code outputs in a sandboxed environment for Back-End Engineer assignments.
• Grade backend 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 rationale tied to the rubric.
• Tag failure modes (compile error, runtime crash, off-by-one, security issue) with severity scores.

Skills

Engineering experience

Unit tests

Testing framework

Written reasoning

Async availability

Code review experience

Tools

pytest

Jest

JUnit

Go test

RSpec

Job description

AI Trainer Jobs is seeking a Back-End Engineer for a remote engineering review track. You will evaluate production code, debug traces, and assess developer-facing AI outputs against real-world correctness standards.

Responsibilities include reproducing failures, writing the unit tests the model should have written, and explaining the fixes so the modeling team can target the gap. This is a remote contractor role, US-eligible.