Staff Ruby Engineer — Remote Code Review & QA

AI Trainer Jobs; United States; Remote; USD 148,000 - 210,000; Full time

Benefits offered by this job

Remote work

Contractor arrangement

Hourly rate confirmed after interview

Job summary

AI Trainer Jobs is seeking a Staff Ruby Engineer for a remote engineering review track. You will evaluate Ruby code, reproduce failures, write unit tests, and explain fixes so the modeling team can close gaps.

The role emphasizes code quality, test coverage, and clear reasoning for senior engineers. Responsibilities include running Ruby outputs in a sandbox, grading solutions for correctness and edge cases, and writing minimal failing tests.

Qualifications

• Strong day-job Ruby experience; ability to read, run, and debug unfamiliar Ruby code.
• Experience writing concise unit tests that reveal a single failure mode.
• Familiarity with testing frameworks (RSpec, pytest, Jest, JUnit, Go test).

Responsibilities

• Run and reproduce Ruby outputs in a sandboxed environment for assignments.
• Grade Ruby engineering solutions for correctness, style, and edge cases.
• Write minimal failing tests that demonstrate bugs a model produced.
• Compare paired solutions and provide written rationale tied to rubric.
• Tag failure modes with severity and document patches.

Skills

Ruby

Unit testing

Code review

Debugging

Software engineering

Clear written reasoning

Tools

RSpec

pytest

JUnit

Jest

Go test

Job description

AI Trainer Jobs is seeking a Staff Ruby Engineer for a remote engineering review track. You will evaluate Ruby code, reproduce failures, write unit tests, and explain fixes so the modeling team can close gaps.

The role emphasizes code quality, test coverage, and clear reasoning for senior engineers. Responsibilities include running Ruby outputs in a sandbox, grading solutions for correctness and edge cases, and writing minimal failing tests.