Role Overview
DataAnnotation is hiring a mid-level Chemical Engineer. This is a contract role in US. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job Description
We are looking for a Chemical Engineer to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. In this role you will need to hold an expert level of chemistry. Other related fields include, but are not limited to: Chemistry and/or Chemical Engineering.
Benefits This is a full‑time or part‑time remote position.
You’ll be able to choose which projects you want to work on.
You can work on your own schedule.
Projects are paid hourly starting at $40+ USD per hour, with bonuses for high‑quality and high‑volume work.
Responsibilities Give AI chatbots complex chemistry questions and evaluate their outputs.
Evaluate the quality produced by AI models for correctness and performance.
Qualifications Fluency in English (native or bilingual level).
Detail‑oriented.
Solid knowledge of general, organic, and physical chemistry concepts.
A current, in‑progress, or completed Master’s and/or PhD is preferred but not required.
Notes Payment is made via PayPal. We will never ask for any money from you. PayPal will handle any currency conversions from USD. Only applicants in the United States will be considered for this role. This is an independent contract position.
Frequently Asked Questions
How do I apply for the Chemical Engineer position at DataAnnotation?
Use the Apply button above to submit your application directly to DataAnnotation. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Chemical Engineer position at DataAnnotation located?
This position is based in US. DataAnnotation has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Chemical Engineer at DataAnnotation earn?
DataAnnotation has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Chemical Engineer role at DataAnnotation posted?
This role was posted on April 19, 2026 (50 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
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