Freelance Alt-Text Subject Matter Expert [Chemistry]

Editage, the flagship brand of CACTUS, is building a global pool of Freelance Alt-Text Subject Matter Experts (SMEs) to review and validate AI-generated alt-text descriptions for scientific images in STM (Scientific, Technical, Medical) publications.

• Review AI-generated alt-text for scientific accuracy and technical precision
• Ensure descriptions are concise, objective, and accessibility-compliant (max 200 characters for short alt-text)
• Maintain consistency across similar images within assigned articles
• Handle complex content including equations, tables, and medical images
• Meet same-day turnaround requirements

• Degree (Bachelors, Master's, PhD, or equivalent) in Chemistry
• Strong attention to detail and scientific accuracy
• Ability to write clear, concise descriptions
• Experience with Alt-Text 
• Experience with scientific literature
• Ability to work under pressure and deliver against tight deadline
• Reliable internet and modern web browser
• Academic editing experience (preferred)
• Familiarity with accessibility standards (WCAG) (preferred)

• 100% remote and flexible
• Wide variety of interesting projects 
• Opportunity to be part of a global contributor pool 

If you are among the qualified candidates, one of our recruiters will contact you on email with further details.

Established in 2002, Cactus Communications (cactusglobal.com) is a leading technology company that specializes in expert services and AI-driven products which improve how research gets funded, published, communicated, and discovered. Its flagship brand Editage offers a comprehensive suite of researcher solutions, including expert services and cutting-edge AI products like Mind the Graph, Paperpal, and R Discovery. With offices in Princeton, London, Singapore, Beijing, Shanghai, Seoul, Tokyo, and Mumbai and a global workforce of over 3,000 experts, CACTUS is a pioneer in workplace best practices and has been consistently recognized as a great place to work.

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