Skip to content

Domain Experts

Machine Learning / Data Science Expert

AfterQuery logoAfterQuery$80/hrRemote, most countriesContractPosted 9mo ago

Its $80/hr is above the $75/hr median of the Law, Medicine & Finance roles open now, whose typical pay runs $40–$150/hr. How that pay moves week by week is in our research on Law, Medicine & Finance work.

Half of all Law, Medicine & Finance roles come down within 29.1 days of being listed, and 51.7% are still up after four weeks. This one was posted 295 days ago.

Some links on AITraining.jobs are referral links. If you sign up through one, AITraining.jobs may earn a commission at no extra cost to you. It never changes what a platform pays you.

About the role

This is a remote, project-based role for data scientists and machine learning professionals with 1–3 years of work experience. You will complete tasks similar to those performed in data science, machine learning engineering, AI research, or analytics roles. Work is over the next 2-3 weeks, asynchronous, and assigned on a project-by-project basis, with an expected commitment of 10–20 hours per week for the projects you accept. This position offers highly competitive pay, exposure to real-world ML/data problems, and an excellent opportunity to boost your resume.

Responsibilities

  • Assist in building, training, and evaluating machine learning models for various business applications
  • Develop predictive models using supervised and unsupervised learning techniques
  • Optimize model performance through hyperparameter tuning and feature engineering
  • Document methodologies, model assumptions, and technical approaches

Required qualifications

  • 1–3 years of professional experience in data science, machine learning, or related fields
  • Strong problem-solving skills and ability to work independently on technical tasks
  • Masters degree in Computer Science, Statistics, Mathematics, Data Science, or related quantitative field
  • At least 1 first author publication or first-author equivalent work

Preferred qualifications

  • TA’d courses in machine learning, data science, and applied statistics, with a strong focus on programming and empirical analysis.

Why apply

  • Flexible Time Commitment – Work on your schedule while gaining valuable experience
  • Startup Exposure – Work directly with an early-stage Y Combinator-backed company, gaining hands-on experience that sets you apart
  • Fantastic Pay & Growth Opportunities – project based pay starts at est. $60/hour and can go up to $100/hour
  • Portfolio Building - Gain experience with cutting-edge problems and techniques
  • Professional Growth - Sharpen your skills on varied, challenging datasets and models

Where you can work

This role is 100% remote: you can work from any country except Andorra, Afghanistan, Angola, Argentina, Azerbaijan, Barbados, Bangladesh, Burkina Faso, Burundi, Bolivia, Brazil, Belarus, Belize, DR Congo, Central African Republic, Congo (Republic), Chile, Cameroon, China, Colombia, Cuba, Cape Verde, Djibouti, Dominica, Dominican Republic, Egypt, Eritrea, Fiji, Micronesia, Gabon, Grenada, Georgia, Ghana, Gibraltar, Guinea, Equatorial Guinea, Guinea-Bissau, Honduras, Haiti, Iraq, Iran, Japan, Kyrgyzstan, Cambodia, Kiribati, Comoros, St. Kitts and Nevis, North Korea, South Korea, Kazakhstan, Laos, Lebanon, Liberia, Lesotho, Libya, Monaco, Montenegro, Marshall Islands, Mali, Myanmar, Macau, Mauritania, Maldives, Malawi, Niger, Nigeria, Nicaragua, Nepal, Nauru, Papua New Guinea, Palestine, Palau, Paraguay, Russia, Saudi Arabia, Solomon Islands, Seychelles, Sudan, Sierra Leone, San Marino, Somalia, Suriname, South Sudan, São Tomé and Príncipe, Syria, Eswatini, Chad, Togo, Tajikistan, Timor-Leste, Turkmenistan, Tonga, Tuvalu, Ukraine, Uganda, Uruguay, Vatican City, St. Vincent and Grenadines, Venezuela, Vanuatu, Samoa, Yemen, Zambia and Zimbabwe.

From AfterQuery's job posting, checked 14 Nov 2026.

About AfterQuery

Expert reasoning and rubrics for frontier labs, weekly Stripe pay.

How it pays: Every Friday through Stripe, to a bank account in your own name, for the previous week's approved work; AfterQuery takes no fees, cards are not supported, and Stripe holds your first payout for 7 days (its Payments help page, read 13 Nov 2026).

When it pays: Every Friday, through Stripe, for the week before. How often others pay

Interview: on some roles or projects (AfterQuery pool skills assessment (plus an interview step)). Platforms with no interview

Similar open roles

Some links on AITraining.jobs are referral links. If you sign up through one, AITraining.jobs may earn a commission at no extra cost to you. It never changes what a platform pays you. A role at a platform that pays us a referral fee weighs more in this order.

A licensed or credentialed professional?

One profile for every AI training platform. Companies ask us for people with a specific language, country or credential: add yours once, and when a role fits, we introduce you, only with your yes. Free.

Create my profile

Get new AfterQuery roles by email

We check the AfterQuery job board every hour and email you its newest roles each week, plus similar paid roles elsewhere. Free, unsubscribe anytime.