ML Engineer Specialist - Freelance AI Trainer Project
ML Engineer Specialist - Freelance AI Trainer Project is an open role at Meridial, located in United States of America, with pay listed as $30–$50/hr.
Applications open on Meridial’s own site. How we make money.
About this role
Do you enjoy Kaggle-style problem solving, iterating on models, testing ideas, and driving performance gains? Now imagine doing that as paid work, where your solutions directly strengthen the world’s most advanced AI systems. Large-scale language models are evolving into engines of discovery, education, and engineering. To get there, they need sharper reasoning and better datasets. As a Machine Learning Specialist, you will take on hands-on ML challenges that feel like research competitions, but with direct impact on next-generation AI. What You’ll Do On a typical day, you will: Solve applied ML tasks : iterating on problems that test and improve model reasoning, from baseline solutions to optimized workflows. Evaluate scientific writing : compare research abstracts and introductions using review rubrics (e.g., NeurIPS guidelines) for clarity, correctness, and impact. Debug advanced model behavior : probe LLMs on optimization, fairness, regularization, transformers, and applied NLP, documenting failure modes. Design new benchmark tasks : identify datasets, analyze state-of-the-art papers, build evaluation scripts, and provide reference implementations. Improve training datasets : deliver structured feedback that makes AI outputs more accurate, reliable, and useful. What you’ll Bring Strong background in machine learning, NLP, or data science. Experience with supervised/unsupervised learning, deep learning, reinforcement learning, probabilistic modeling, and applied NLP. Proficiency in Python, ML frameworks, and cloud-based workflows. Master’s or PhD in CS/ML/data science preferred; peer-reviewed research or production ML systems a strong plus. Clear communication skills, able to explain reasoning and “show your work.” Why Join Turn your ML problem-solving into real-world impact : your work trains and strengthens cutting-edge AI. Be part of novel AI training initiatives : evaluating models, shaping datasets, and designing challenges at the research frontier. Enjoy fl
Pay
$30–$50/hr
About Meridial
Meridial's connection to Invisible Technologies: Invisible-powered expert contractor network. Law, STEM, finance, coding, linguistics, safety and AI training
Ownership confidence: Confirmed. See the full network profile →
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Frequently asked questions
How do I apply for the ML Engineer Specialist - Freelance AI Trainer Project role at Meridial?
Applications go through Meridial's own portal - HumanSourcer links to the listing and never collects applications or handles hiring. Meridial's access model is "Apply" (Join network / apply to projects). This listing was first seen here on July 19, 2026 and was still live at the last check.
Is the ML Engineer Specialist - Freelance AI Trainer Project role at Meridial remote?
This role is listed for the United States.
What does the ML Engineer Specialist - Freelance AI Trainer Project role at Meridial pay?
Meridial lists this role's pay as $30–$50/hr, quoted from the listing rather than estimated.
What kind of work is ML Engineer Specialist - Freelance AI Trainer Project?
Coding / software engineering. Law, STEM, finance, coding, linguistics, safety and AI training
Is Meridial a legitimate AI-training platform?
Invisible-powered expert contractor network - and that relationship is rated "Confirmed" here because it can be checked against www.meridial.ai rather than taken on Meridial's word. Confidence describes how well the ownership is evidenced. It is not a rating of how the platform treats the people who work for it, which no public source covers reliably.
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