Chemical Engineering Expert

Alpheva; United States; Remote; USD 276,000 - 344,000; Part time

Job summary

Alpheva is seeking a senior chemical engineer for remote, project-based contract work to review AI evaluation outputs on process balances, reaction systems, scale-up, and process safety. The role emphasizes precise reference answers, scoring criteria, and traceable corrections.

This position is remote and project-based with pay ranges per hour. The ideal candidate has 7+ years in chemical or process engineering and demonstrates senior-level judgment in safety-focused scale-up and reaction

Qualifications

• 7+ years of substantive experience in chemical or process engineering.
• Senior-level judgment in process balances, reaction systems, scale-up, and process safety with substantial responsibility for reviewing or delivering this work.
• Ability to write precise reference answers, assess competing approaches, and justify corrections with traceable evidence.

Responsibilities

• Review model responses and worked examples for incorrect calculations, missing physical constraints, and incomplete verification.
• Assess whether the reasoning meets professional standards for the stated task.
• Write reference answers and scoring criteria grounded in process safety, scale-up, and reaction systems.

Skills

Process balances

Reaction systems

Scale-up

Process safety

Technical writing

Job description

Bring senior chemical expertise to AI evaluation projects focused on process balances, reaction systems, scale-up, and process safety.

Review model responses and worked examples for incorrect calculations, missing physical constraints, and incomplete verification. Assess whether the reasoning meets professional standards for the stated task.

Write reference answers and scoring criteria grounded in process balances, reaction systems, scale-up, and process safety. Explain consequential errors, evidence gaps, and the reasoning behind your corrections.

This is remote, project-based contract work. Scope, hours, and assignments depend on project matching; the listed hourly range applies to matched work.

Requirements

• 7+ years of substantive experience in chemical or process engineering.
• Demonstrated senior-level judgment in process balances, reaction systems, scale-up, and process safety, with substantial responsibility for reviewing or delivering this work.
• Ability to write precise reference answers, assess competing approaches, and justify corrections with traceable evidence.

Pay

$200–$250/hr

Alpheva is a new expert network (launched September 2026); payout methods are not published yet, so confirm your first payment before scaling up.