Chemical Engineer - Remote AI Evaluation Contract
Listing checked September 22, 2026 · pay as published by AfterQuery
Overview
AfterQuery needs chemical engineers to create the process design and safety scenarios that frontier AI labs use to test model judgment. You will work from mass balances through safety reviews, write reference answers that show the reasoning behind each decision, and grade model output for technical accuracy and process safety. The contract runs about 10 hours per week, remote and async, and pays between $100 and $130/hr each week through Stripe. Your scenarios help shape how models reason about chemical engineering.
What You'll Do5
- 1Build realistic process scenarios that start with mass balances and finish with a safety review.
- 2Write reference answers that detail the process and safety reasoning behind each choice.
- 3Assess model responses for technical accuracy and process safety.
- 4Flag designs that seem believable but would be unsafe or infeasible at full scale.
- 5Document the thinking that separates workable process designs from hazardous or impractical ones.
Requirements8
- 1Degree in chemical engineering or a closely related discipline.
- 2At least 2 years in process, plant, or product engineering.
- 3Depth in process design, process safety, or scale-up.
- 4Clear written English for documenting process reasoning.
- 5Availability for at least 10 hours per week.
- 6PE license or process safety certification (preferred).
- 7Process simulation depth with tools such as Aspen Plus or HYSYS (preferred).
- 8Regulated industry experience in pharma or petrochemical (preferred).
Who Should Apply
The role fits a chemical engineer with 2+ years in process, plant, or product engineering who can explain process safety and scale-up decisions in writing. You will stand out if you bring a PE license, process safety certification, or hands-on depth with Aspen Plus or HYSYS. Candidates often get rejected when they show broad engineering experience without proving depth in process design or safety. Another common miss is a vague reference answer that does not spell out the reasoning behind a design choice. The contract will not suit engineers who cannot commit 10 hours per week or who need live, scheduled team work.
Salary Insight
The listing pays $100 to $130 per hour through Stripe each week. The engagement is a part-time contract, so compare it to other 10-hour engineering contracts rather than a full-time salary. The upper part of the band likely goes to engineers with a PE license, process safety certifications, or simulation depth in Aspen Plus or HYSYS, while candidates without regulated-industry experience may land closer to the lower end. No benefits or full-time conversion appear in the source.
Pay and demand for Chemical & Process Engineering roles
AggregatedTypical pay
$85/hour
This role
$100–$130/hr
Most Chemical & Process Engineering roles pay $80–$100 per hour. This role's pay sits above that range.
Based on 17 similar roles that publish pay · 3 publish only a top rate; those count at the rate they gave
Rates shown per hour. Yearly and monthly pay converted; one-time fees and non-USD pay are not included.
- Live similar roles
- 22
- Listed in last 30 days
- 12
- Remote
- 95%
Hiring most right now: micro1 (7) · Neon (4) · Mercor (3)
Most requested skills · share of roles
- chemistry36%
- technical writing32%
- red-teaming23%
- chemical engineering23%
Figures from Chemical & Process Engineering roles live on NearSkill when this page loaded. A role can close before you apply, so check the listing itself.
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Compensation
$100–130/hr
Required Skills
Application Tip
When you apply, connect your process safety and scale-up examples to written deliverables. Name the simulation tool you used, such as Aspen Plus or HYSYS, and quantify the scale or risk you handled, for example a reactor scale-up from lab to pilot. The role involves grading model output and writing reference answers, so add a short sample explanation of a mass balance or safety decision you made.
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