Senior Front-End Engineer

AuraOne; United States; On-site; USD 55,000 - 124,000; Part time

Job summary

AI Trainer Jobs seeks a Senior Front-End Engineer for a remote contractor role. You will review production code, reproduce issues, and write tests to demonstrate bugs. You will grade frontend solutions for correctness, style, and edge cases, then document rationale for senior engineering teams.

Expect an hourly arrangement with program-defined task volume and flexible weekly hours. Strong debugging skills and ability to reason clearly in writing are essential.

Qualifications

• Experience reading, running, and debugging unfamiliar code.
• Ability to write concise unit tests to capture failures.
• Familiarity with common testing frameworks.
• Clear written reasoning to persuade senior engineers.

Responsibilities

• Run and reproduce candidate code outputs in a sandboxed environment.
• Grade frontend solutions for correctness, style and edge-case handling.
• Write minimal failing tests that demonstrate bugs.
• Compare paired solutions and provide a ranked rationale.
• Tag failure modes with severity scores.

Skills

Frontend engineering

Unit testing

Code review

Debugging

Technical communication

Tools

pytest

Jest

JUnit

Go test

RSpec

Job description

About the role

Senior Front-End Engineer is a remote engineering review track for evaluating production code, debugging traces, and developer-facing AI outputs against real-world correctness standards. Reviewers reproduce failures, write the unit test the model should have written, and explain the fix so the modeling team can target the gap.
Engineering model quality lives or dies on whether the generated code actually compiles, passes tests, and handles edge cases. AuraOne pairs experienced engineers with the modeling team to grade outputs the way a code reviewer would.
Judge generated code and software engineering agents. Read their debugging traces.

Responsibilities

• Run and reproduce candidate code outputs in a sandboxed environment for Senior Front-End Engineer assignments.
• Grade frontend 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.

Role details

Track Code review & evaluation Work model Remote · Independent specialist contractor Compensation Hourly rate confirmed after the interview process. Eligible from US

What you should bring

• Strong day-job engineering experience — you can read, run, and debug unfamiliar code for Senior Front-End Engineer work.
• Comfort writing concise unit tests that capture a single failure mode.
• Familiarity with a testing framework. pytest, Jest, or JUnit. Go test, RSpec, or whatever you use.
• Clear written reasoning — your review note has 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.

Role signals

Example tasks

• Reproduce a generated engineering solution to a coding task, run the test suite, and grade it.
• Write the smallest failing test that demonstrates a model's edge-case bug.
• Compare two paired solutions and rank them with a written rationale tied to the rubric.
• Triage a security issue surfaced by a model and document the patch the model should have produced.

Useful experience

• Open-source contributions or a public portfolio that demonstrates production-quality code.
• Experience with the target language's standard tooling, linters, and idiomatic style guides.
• Familiarity with security-review checklists (OWASP, CWE) and AppSec patterns.

Compensation and schedule

Hourly rate confirmed after the interview process.
Expected arrangement: contractor , with program-defined task volume and review pacing. Placement depends on current program demand and reviewer confirmation.

Skills used in matching

• Code review
• Debugging
• Unit testing
• Software engineering judgment
• Frontend engineering