Looking for AI-training work that uses Chemical Engineering expertise? These opportunities can involve applying subject knowledge while preparing or reviewing examples for artificial-intelligence systems, including data-labeling, response evaluation, or related review work. OpenTrain is the hiring organization for roles on OpenTrain, and candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support.
Apply advanced atomistic and surface-modeling expertise to generate, structure, and evaluate training data for frontier AI systems in materials science and physical sciences. Contract remotely for 20+ hours per week at $84 per hour.
Posted Aug 7, 2026
Apply your ALD and semiconductor expertise to train and evaluate frontier AI models for physical science. This remote US-based contract offers ongoing work at $84 per hour, with 20+ hours per week expected.
Posted Aug 2, 2026
Join OpenTrain AI to review and annotate technical materials science documents, evaluate AI-generated engineering content, and create domain-specific training scenarios — part-time, remote, and paid $80–$130/hr for ~20+ hours/week.
Posted Jul 29, 2026
Join OpenTrain as a remote, part-time Chemical Engineering AI Expert to evaluate technical written content and AI responses; must hold a US PE license and 2+ years' experience. Competitive pay: $65–$90/hr; expected part-time commitment of 20+ hours/week.
Posted Jul 23, 2026
Lead QA for chemical-engineering AI training by reviewing technical content, mentoring reviewers, and enforcing safety-aware rubrics. Remote US contractor role, 20+ hrs/week, up to $105/hr with future opportunities through the expert network.
Posted Jul 8, 2026
Review and refine AI-generated chemical engineering content—assess technical accuracy, safety, assumptions, and calculations. Remote contract, flexible schedule with expected 20+ hours/week and competitive hourly pay ($40–$100/hr).
Posted Jul 8, 2026
Join OpenTrain as an Engineering Document Review Expert to evaluate technical reports, design documents, and project analyses for AI training — remote contractor role, 20+ hours/week, paid $20–$40 USD/hour. Ideal for engineers with technical-reporting experience.
Posted Jul 3, 2026
Apply your PhD engineering expertise to write authoritative responses, design experiments, and analyze results for AI training; remote, part-time contract at $80–$90/hr for 20+ hours/week. English required; worldwide applicants welcome.
Posted Jun 30, 2026
OpenTrain AI is hiring a remote QC specialist to review and correct auto-annotated refinery image frames (8,000). Fixed-price contract ($1,200), 20+ hours/week, using CVAT to adjust bounding boxes and classifications with strong attention to detail.
Posted Apr 5, 2026
Chemical Engineering expertise can support AI-training work where technical subject knowledge is applied to examples used by artificial-intelligence systems. Depending on the individual posting, the work may include labeling data, writing or rating model responses, evaluating examples, reviewing technical content, or applying relevant knowledge to other data-labeling tasks. The individual live posting is the source of truth for the responsibilities, qualifications, experience, and other requirements of each opportunity.
OpenTrain is the hiring organization for roles on OpenTrain, and candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support. Refer to each individual live posting for every other role-specific detail, including the stated eligibility, responsibilities, qualifications, experience, pay, hours, schedule, location rules, and client requirements.
