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How much do chemical data annotation specialist jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for chemical data annotation specialist in the United States is $20.24, according to ZipRecruiter salary data. Most workers in this role earn between $16.35 and $21.88 per hour, depending on experience, location, and employer.

What is the difference between Chemical Data Annotation Specialist vs Chemical Data Scientist?

AspectChemical Data Annotation SpecialistChemical Data Scientist
Required CredentialsTypically a degree in chemistry, bioinformatics, or related field; familiarity with data annotation toolsDegree in chemistry, data science, or related; strong statistical and programming skills
Work EnvironmentLaboratory or data annotation teams within biotech or pharmaceutical companiesResearch labs, data analysis teams, or R&D departments in similar industries
Employer & Industry UsageUsed in pharmaceutical, biotech, and chemical industries for data labelingApplied in research, drug discovery, and data analysis projects in similar sectors

The Chemical Data Annotation Specialist focuses on labeling chemical data accurately for machine learning models, while the Chemical Data Scientist analyzes and interprets chemical data to derive insights. Both roles require chemistry knowledge but differ in their primary functions and skill sets.

What are some common challenges faced by chemical data annotation specialists, and how can they be addressed?

Chemical Data Annotation Specialists often encounter challenges such as interpreting complex chemical structures, ensuring data consistency, and handling ambiguous or incomplete information. Staying updated with the latest chemical nomenclature standards and using specialized annotation tools can help address these challenges. Collaborating closely with chemists, data scientists, and quality assurance teams is also essential to resolve uncertainties and maintain high data integrity. Regular training and participation in peer reviews further support accuracy and efficiency in this role.

What does a chemical data annotation specialist do?

A Chemical Data Annotation Specialist is responsible for labeling, categorizing, and curating chemical data to ensure its accuracy and usability in scientific research and machine learning applications. They work with chemical structures, reaction data, and related metadata, often using specialized software tools to annotate datasets according to predefined guidelines. Their work enables more effective data-driven research in fields like drug discovery, materials science, and cheminformatics by ensuring datasets are reliable and easy to interpret.

What are the key skills and qualifications needed to thrive as a chemical data annotation specialist, and why are they important?

To thrive as a Chemical Data Annotation Specialist, you need a solid background in chemistry, data analysis, and attention to detail, often supported by a degree in chemistry or a related scientific field. Familiarity with cheminformatics tools, chemical databases, and annotation platforms like ChemAxon, PubChem, or KNIME is typically required. Strong analytical thinking, meticulousness, and effective communication help ensure accuracy and clarity in data processing and collaboration. These skills are essential for producing high-quality, reliable chemical datasets that support research, machine learning, and scientific discovery.
More about Chemical Data Annotation Specialist jobs
What states have the most Chemical Data Annotation Specialist jobs? States with the most job openings for Chemical Data Annotation Specialist jobs include:
What job categories do people searching Chemical Data Annotation Specialist jobs look for? The top searched job categories for Chemical Data Annotation Specialist jobs are:
Chemical Data Annotation Specialist jobs near you
Infographic showing various Chemical Data Annotation Specialist job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 12% Part Time, and 4% Contract. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution, with an average salary of $42,098 per year, or $20.2 per hour.

Latin American Spanish Linguist / Language Specialist !! Location: Seattle, WA (onsite) !! W2 Contra

Intellisoft Technologies

Seattle, WA • On-site

$37.75 - $40.50/hr

Other

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Job Title: Latin American Spanish Linguist / Data Annotation Specialist

Location: Seattle, WA
Job Type: Contract

Job Description:

  • Native or near-native proficiency in Latin American Spanish is required (general Spanish proficiency alone is not sufficient).
  • Strong understanding of Latin American Spanish grammar, vocabulary, regional nuances, and localization standards.
  • Hands-on experience in Data Annotation, Linguistic Annotation, Data Labeling, or AI/ML data annotation projects is required.
  • Experience with language annotation, content evaluation, quality review, and RegEx is preferred.
  • Ability to accurately review, annotate, and validate language data while maintaining high linguistic quality.
  • Candidates must complete the language assessment without using any AI tools or AI-assisted resources.

Required Skills:

  • Native/Fluent Latin American Spanish
  • Data Annotation / Linguistic Annotation / Data Labeling experience
  • Experience with AI/ML or NLP annotation projects
  • Excellent written and verbal communication skills
  • Familiarity with Annotation tools and RegEx is a plus
  • Strong attention to detail and analytical skills

Assessment Disclaimer (Mandatory):
Disclaimer: Candidates are strictly prohibited from using any AI tools or AI-assisted resources while completing the assessment. Any candidate found using AI in any form will be immediately disqualified from the evaluation process.

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