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[Remote] ML Engineer Specialist - Freelance AI Trainer Project

Work from home Full-time role Hiring

Note: The job is a remote job and is open to candidates in USA. Invisible Technologies is focused on enhancing advanced AI systems, and they are seeking a Machine Learning Specialist to tackle applied ML challenges. The role involves solving ML tasks, evaluating scientific writing, debugging model behavior, designing benchmark tasks, and improving training datasets.

Responsibilities

  • 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

Skills

  • 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
  • Clear communication skills, able to explain reasoning and 'show your work.'
  • Master's or PhD in CS/ML/data science preferred; peer-reviewed research or production ML systems a strong plus

Benefits

  • Enjoy flexibility: remote, contract-based work with autonomy to set your schedule.

Company Overview

  • Invisible Technologies makes AI work. Our platform cleans, labels, and structures company data so it’s ready for AI. It was founded in 2015, and is headquartered in San Francisco, California, USA, with a workforce of 201-500 employees. Its website is https://www.invisible.co/.
  • Company H1B Sponsorship

  • Invisible Technologies has a track record of offering H1B sponsorships, with 6 in 2026, 9 in 2025. Please note that this does not guarantee sponsorship for this specific role.
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