A side hustle for data scientists and ML engineers: paid AI training work

You do not need to start a business or learn a new trade. AI labs need people who understand models from the inside to evaluate them, probe their weaknesses and review data and machine learning work. 129 such roles are open today.

129
open jobs
3
posted this week
$60/hr
median published rate
$400/hr
highest published rate
9
platforms hiring

Pay figures cover the 111 open jobs that publish an hourly rate in USD. They are published rates, not a guarantee of income. Last checked on October 8, 2026.

What the work looks like

Real roles open today, one per platform, with the pay each platform publishes.

  • Data & Machine Learning
  • Platform: Alignerr

This remote contract role asks domain experts with graduate-level training to write hard machine learning evaluation problems that test how advanced AI systems reason. Specialists also judge AI-generated solutions for correctness, creativity and methodological rigor, and they document difficulty and likely failure modes. It suits researchers whose deep, niche expertise goes beyond standard ML knowledge.

OpenRecently verified$200-400/hr
  • Data & Machine Learning
  • Platform: micro1
  • Location: 58 countries

This role involves evaluating and improving professional presentations and analytical reports by applying data science and visualization principles. You will contribute to training AI systems by reconstructing, redesigning, and refining data-driven content, while creating clear visualizations and rigorous statistical analyses. The ideal candidate combines mastery of data analysis with excellent visual and narrative communication skills.

Posted September 25, 2026

OpenRecently verified$150-350/hr

Referral link to micro1's job list: search for this role there. Open this exact job

  • Data & Machine Learning
  • Platform: Mercor
  • Location: United States

Join a network of machine learning experts to access occasional jobs with AI laboratories and companies. You will contribute to training and evaluating models, creating tasks based on real-world scenarios, and providing domain feedback for AI research. This program is aimed at engineers with solid experience in machine learning model development and capable of working independently on remote projects.

Posted February 27, 2026

Talent poolRecently verified$70-250/hr

Referral link: we may earn a fee. Apply without it

All 129 Data & Machine Learning jobs

What it pays

Among the 111 open roles that publish an hourly rate in USD, the median published rate is $60 per hour, and half of them fall between $45 and $93. Published rates run from $13 to $400 per hour. These are the rates platforms publish, not a guarantee of income or hours.

Data & Machine Learning pay rates by platform and by expertise

What the listings ask for

  • 19 of the 129 listings state a minimum experience. Among them, the median requirement is 3 years.
  • 30 state a degree, licence or certification. The most frequent: Bachelor's degree in Engineering, Computer Science, or related technical field (2); Master's degree in Chemistry, Chemical Engineering, Biochemistry, or related field (2).
  • The others publish no such requirement. Each listing states its own, and the platform decides who it takes.

How to start

  1. Browse the open Data & Machine Learning jobs and read what each one asks for.
  2. Add your resume to see every open job scored against your background, best match first.
  3. Apply on the platform through the official posting. The platform handles screening, contracts and payment.

See which open jobs fit the career you already have

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FAQ

Questions from data scientists and ML engineers

How many Data & Machine Learning AI training jobs are open right now?

129 Data & Machine Learning AI training jobs are open on SideHustler today. 3 were posted in the last 7 days. Listings are rechecked against the official postings: the latest check on this list was on October 8, 2026.

How much do Data & Machine Learning AI training jobs pay?

Among the 111 open roles that publish an hourly rate in USD, pay runs from $13 to $400 per hour, with a median of $60. These are the rates the platforms publish, not a guarantee of income or hours.

Which platforms offer Data & Machine Learning AI training jobs?

Alignerr (47), Mercor (44), micro1 (23), Terac (4), DataAnnotation (3), Vetto (3), Handshake AI (2), Mindrift (2) and Turing (1). You apply on the platform itself, which handles screening, contracts and payment.

What skills do Data & Machine Learning AI training jobs ask for most?

The most requested areas of expertise on these listings are AI Evaluation, Data Annotation, Machine Learning, Red Teaming, Adversarial Testing. Each listing states its own requirements.

Can data scientists and ML engineers do this alongside a full-time job?

It depends on your employer and on the project. Check your employment contract first, in particular any confidentiality, exclusivity or outside-activity clause, and the rules of your profession if it is regulated. Hours are set by each project and are not guaranteed.

How do I apply?

Apply now opens the official posting on the platform, where you complete the application. You need no account on SideHustler. To see which roles fit your background first, add your resume and every open job is scored against your profile.