Meridial is the elite expert contractor marketplace run by Invisible Technologies — an AI operations company that helps global businesses train and improve AI systems using human expertise.

Unlike entry-level annotation platforms Meridial specifically recruits highly qualified domain experts. This is not a platform for beginners — it targets professionals with deep specialist knowledge who can evaluate complex AI outputs at an expert level.

What you will do:
– Evaluate AI-generated responses in your field of expertise
– Compare and rank AI outputs for quality
– Provide expert feedback on reasoning, accuracy, and logic
– Contribute to AI model improvement across specialist domains including finance, law, medicine, sports, engineering, and more

Pay: $25–$80+ per hour for specialist domain work. Elite rates for PhDs and verified professionals.

Requirements:
– Deep expertise in a specific professional or academic field
– Strong written English
– University degree or verifiable professional track record
– Laptop or desktop computer

Open to: Nigeria confirmed — listed as officially available to Nigerian talent pool in 2026.
Payment via: Payoneer, bank transfer

Important: Do not search for Meridial jobs on the main Invisible Technologies careers page. The freelance marketplace is accessed separately at www.meridial.ai