← all jobs

Machine Learning Engineer (Train AI Models Part Time!)

Work from home Full-time role Hiring

At Mercor, we’re building the talent engine that helps leading labs and research orgs move AI forward. Our latest initiative focuses on benchmarking and improving model performance and training speed across real ML workloads. If you’re an early-career Machine Learning Engineer or an ML PhD who cares about innovation and impact, we’d love to meet you. What to Expect As a Machine Learning Engineer, you’ll tackle diverse problems that explore ML from unconventional angles. This is a remote, asynchronous, part-time role designed for people who thrive on clear structure and measurable outcomes.

  • Schedule: Remote and asynchronous—set your own hours
  • Commitment: ~20 hours/week
  • Duration: Through December 22nd, with potential extension into 2026

What You’ll Do

  • Draft detailed natural-language plans and code implementations for machine learning tasks
  • Convert novel machine learning problems into agent-executable tasks for reinforcement learning environments
  • Identify failure modes and apply golden patches to LLM-generated trajectories for machine learning tasks

What You’ll Bring

  • Experience: 0–2 years as a Machine Learning Engineer or a PhD in Computer Science (Machine Learning coursework required)
  • Required Skills: Python, ML libraries (XGBoost, Tensorflow, scikit-learn, etc.), data prep, model training, etc.
  • Bonus: Contributor to ML benchmarks
  • Location: MUST be based in the United States

Compensation & Terms

  • Rate: $80-$120/hr, depending on region and experience
  • Payments: Weekly via Stripe Connect
  • Engagement: Independent contractor

How to Apply

  • Submit your resume
  • Complete the System Design Session (< 30 minutes)
  • Fill out the Machine Learning Engineer Screen (<5 minutes)

Why Mercor Mercor is a talent marketplace connecting top experts with leading AI labs and research organizations. Our investors include Benchmark, General Catalyst, Adam D’Angelo, Larry Summers, and Jack Dorsey. Thousands of professionals across law, creative fields, engineering, and research use Mercor to work on frontier projects shaping the next era of AI. We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request.

More open positions

Machine Learning Engineer (PhD or MS Required) 756

Work from home Full-time role

Temporary Micro-Credential Grader – Industry-Focused Prompt Engineering for ROI-Driven Results

Work from home Full-time role

Prompt Engineer job at Sensi.AI in Austin, TX

Work from home Full-time role

Business Analyst; AI & Prompt Engineering

Work from home Full-time role

Prompt Engineer + SEO Content Systems (Fix AI Template for Scalable Pages)

Work from home Full-time role

Inside Sales Representative - Infusion Pharmacy

Work from home Full-time role

Prescription Prior Authorization Specialist

Work from home Full-time role

Full Stack Developer - Level III (Remote)

Work from home Full-time role

Experienced Part-Time Remote Customer Support Specialist – Delivering Exceptional Experiences at careerzynith

Work from home Full-time role

Remote - CPA , TAX ACCOUNTANT-Los Angeles Entertainment Business Mgnt. Firm

Work from home Full-time role

Data Entry Jobs For Beginners

Work from home Full-time role

Senior Software Engineer, Cloud Foundation

Work from home Full-time role

Customer Service Representative - 2nd Shift (IL, NC, VA, WV, DE, FL)

Work from home Full-time role

Senior C#/.Net Engineer

Work from home Full-time role

Industry 4.0 Co-Founder / Head of Sales (100 % remote) (m/f/d)

Work from home Full-time role

Public Relations & Media Manager

Work from home Full-time role

Performance Video Editor (Paid Social / DTC) for US Agency (Remote)

Work from home Full-time role

[Remote] Call Center Analyst

Work from home Full-time role

Architect/Architectural Designer - REMOTE - 100K PLUS

Work from home Full-time role

Software Test Engineer

Work from home Full-time role

Advanced Practice Provider, Ob/Gyn, High Risk Maternal Fetal Medicine-Beaumont RWSP Clinic

Work from home Full-time role