Looking for work that applies Chemistry knowledge to AI training and data labeling? These roles can involve reviewing or creating examples that help artificial-intelligence systems handle chemistry-related content accurately. OpenTrain is the hiring organization for these roles. Candidates apply through OpenTrain, which may place or refer successful candidates to the client whose project they will support.
Use your preclinical drug development expertise to review scientific data, evaluate AI model outputs, and shape datasets for frontier AI systems in chemistry and drug discovery. Remote contract work pays $85–$142 per hour.
Posted Aug 16, 2026
Use your physical sciences research experience to design rigorous evaluation tasks, datasets, protocols, and grading rubrics for AI systems. This remote contract role offers $30–$50 per hour with a 20+ hour weekly commitment.
Posted Aug 13, 2026
Design graduate-level computational chemistry benchmarks for advanced AI systems using PySCF, Python, and electronic-structure expertise in a remote contract role paying $70–$100 per hour.
Posted Aug 11, 2026
Use your chemistry or materials science expertise to evaluate AI coding agents, document authentic scientific workflows, and create training data for next-generation AI systems. Remote contract work pays $80–$100 per hour for 20+ hours weekly.
Posted Aug 8, 2026
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 advanced computational biology and cheminformatics expertise to train and evaluate AI systems for computational drug discovery. Build reproducible coding benchmarks, assess scientific outputs, and work 20+ hours per week at $80-$110 per hour.
Posted Aug 3, 2026
Apply advanced chemistry expertise to help train and evaluate next-generation AI systems. This fully remote contract offers flexible part-time work worldwide at $70–$90 USD per hour, with 20+ hours per week.
Posted Aug 2, 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 to annotate biological documents and shape AI models in computational biology and medicinal chemistry. Part-time contract work (20+ hrs/week), remote worldwide, $90–$120/hr, focused on classification, entity NER, and evaluation tasks.
Posted Jul 28, 2026
Join OpenTrain as a remote Bioinformatics Scientist to curate and validate drug-discovery datasets, review AI-generated scientific outputs, and deliver written feedback that improves model behavior. Part-time contractor work (20+ hrs/week) paying $90–$120/hr USD depending on experience.
Posted Jul 28, 2026
Join OpenTrain as a Medicinal Chemistry Review Specialist to evaluate and improve medicinal-chemistry datasets used to train advanced AI — contract, part-time, remote, 20+ hrs/week at $60–$80/hr. Provide expert reviews of structures, reactions, SARs, and experimental design.
Posted Jul 21, 2026
Join OpenTrain as a remote Chemistry AI Training Reviewer to write and rate advanced chemistry responses, create golden-reference answers, and improve model behavior — part-time contract paying $80–$90/hr for an estimated 1–3 month engagement.
Posted Jul 15, 2026
Lead QA for AI-generated chemistry content: review model responses and trainer evaluations for scientific accuracy, safety, and rubric adherence. Contract, part-time role ($75/hr) requiring 20+ hours/week, English fluency, and US-based remote work.
Posted Jul 8, 2026
OpenTrain AI seeks an expert Chemistry AI Training Reviewer to evaluate and improve AI-generated chemistry answers; MS/PhD required. Remote, contract role at $70/hr for 20+ hours/week in listed countries.
Posted Jul 8, 2026
OpenTrain seeks a remote Chemistry Expert Reviewer to design, review, and refine chemistry content and problems for AI training; PhD or ABD with teaching and research experience required. Part-time contractor role, 20+ hrs/week, $70–$90/hr.
Posted Jul 7, 2026
Apply your computational chemistry expertise to review simulations, electronic-structure methods, and cheminformatics pipelines used to train and validate chemistry-focused AI systems. Remote contract role, 20+ hrs/week, $40–$60/hr.
Posted Jul 7, 2026
Join OpenTrain to review and validate technical chemistry documents for AI training—edit experimental write-ups, fact-check equations and datasets, and produce clear explanations. Remote contractor role, 20+ hrs/week, pay $20–$40 USD/hr, English required.
Posted Jul 3, 2026
Contract role for chemical safety and toxicology experts to evaluate model outputs and documents; $50–$90/hr, 20+ hours/week, with estimated project earnings of $8,000–$14,400. Work remotely for OpenTrain AI to shape how AI systems handle hazardous-chemicals content.
Posted Jun 30, 2026
Join OpenTrain as a Chemistry Expert (PhD) to write and review high-quality chemistry answers, create benchmark responses, and shape AI behavior. Part-time, remote work (20+ hrs/week) paying $80–$90/hr; English required, worldwide applicants welcome.
Posted Jun 28, 2026
Review scientific figures, lab reports, and technical publications to evaluate model outputs and deliver clear, rubric-based feedback; remote contractor role paying $40–$50/hr, 20+ hrs/week, estimated project earnings $6,400–$8,000.
Posted Jun 27, 2026
PhD-level computational chemist needed to design research-grade problem sets that require advanced physical and quantum chemistry reasoning and Python-based validation. Part-time contractor work (20+ hrs/week) with hourly pay up to $60 and compensation tied to task complexity.
Posted Mar 29, 2026
Paid remote contractor role reviewing AI-generated chemistry reasoning at $80/hr. Requires a BS/MS/PhD (or in progress) in chemistry, strong quantitative and lab literacy, and 17–20 hrs/week availability; includes paid qualification and project exams.
Posted Oct 24, 2025
Chemistry subject-matter work in AI training can involve applying knowledge of chemical concepts, terminology, reactions, or scientific explanations while preparing and reviewing data. Depending on the individual role, tasks may include evaluating model responses, rating accuracy or relevance, labeling examples, writing chemistry-related responses, or checking whether content follows the requested criteria. Read each live posting closely to understand the specific subject matter and responsibilities before deciding whether to apply.
OpenTrain handles hiring for the roles available through its site, and candidates apply through OpenTrain. A successful candidate may be placed or referred to the client whose project they will support. Because requirements and responsibilities are specific to each project, use the individual live posting as the definitive source for the role.
