Freelance Data Science (Python & SQL) - AI Trainer
Mindrift • United States
Education
PhD
Type
Hourly
Pay Rate
$90/hr
Listed
271d ago
About this role
From the Mindrift listing
Please submit your resume in English and indicate your level of English proficiency. At Mindrift , innovation meets opportunity. We believe in using the power of collective intelligence to ethically shape the future of AI. What we do The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe. About the Role GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills. If you join the platform as a Data Science AI Trainer, you’ll have the opportunity to collaborate on these projects. Although every project is unique, you might typically: Design original computational data science problems that simulate real-world analytical workflows across industries (telecom, finance, government, e-commerce, healthcare). Create problems requiring Python programming to solve (using pandas, numpy, scipy, sklearn, statsmodels, matplotlib, seaborn). Ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks). Develop problems requiring non-trivial reasoning chains in data processing, statistical analysis, feature engineering, predictive modeling, and insight extraction. Create deterministic problems with reproducible answers: avoid stochastic elements or require fixed random seeds for exact reproducibility. Base problems on real business challenges: customer analytics, risk assessment, fraud detection, forecasting, optimization, and operational efficiency. Design end-to-end problems spanning the complete data science pipeline (data ingestion → cleaning → EDA → modeling → validation → deployment considerations). Incorporate big data processing scenarios requiring scalable computational approaches. Verify solutions using Python with standard data science libraries and statistical methods. Document problem statements clearly with realistic business contexts and provide verified correct answers. How to get started Simply apply to this post, qualify, and get the chance to contribute to projects aligned with your skills, on your own schedule. From creating training prompts to refining model responses, you’ll help shape the future of AI while ensuring technology benefits everyone.
Requirements
- Must be eligible to work in United States
- Fluent proficiency in English (Written & Verbal)
- Reliable high-speed internet connection
- PhD's degree or equivalent professional experience
- Demonstrated expertise in Software Engineering
Interview Prep
This listing calls for these tools directly. Prep for the technical screen:
Why this role
$90/hr for Freelance Data Science (Python & SQL) - AI Trainer work covers both income and flexibility. You set your own hours, and the work draws on Software Engineering knowledge you already have instead of asking you to learn a new field.
Skills and categories
Explore other opportunities in related specializations:
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Common questions
What does a typical Mindrift task involve?
Read a scenario, write a short prompt for the AI (around 100 words), evaluate two AI responses to it, fact-check the outputs, then write a brief explanation (around 50 words) on which response is better against the project rubric. The focus is clarity, safety, and rule-following, not creative writing.
Who is Mindrift good for?
Freelance writers, editors, and generalist AI tutors with strong English fluency and solid research skills, no specialized tech degree required. Built by data-labeling company Toloka, Mindrift also opens higher-paying specialized projects (cybersecurity, medicine, law) to domain experts once verified.
What does task-based AI training work look like?
Practical, hands-on data work: recording short videos, categorizing images, rating text responses, or analyzing data. Tasks are designed to be short and distinct, typically 5 to 60 minutes each.
What does asynchronous AI training work mean in practice?
No set hours, no check-ins, no meetings. You log in when you want, pick up an available task, complete it, and submit; nobody is waiting on you in real time. That's different from remote employment, where you're expected online during business hours. The tradeoff: you're competing with others for available tasks, so an empty queue means there's simply nothing to do until more work is released.
What does Software Engineering work look like for a Freelance Data Science (Python & SQL) - AI Trainer?
Tasks here are scoped to Software Engineering, not generic labeling. As a Freelance Data Science (Python & SQL) - AI Trainer, expect to draw on real domain judgment (evaluating outputs, correcting errors, or providing expert reasoning specific to Software Engineering) rather than following a one-size-fits-all rubric. If you don't have hands-on Software Engineering background, this is likely not the right listing to start with.
What specific skills does this listing call for?
AI Training is named directly in the listing. If you don't have hands-on experience with this, expect the screening process to test for it directly rather than accepting adjacent experience as a substitute.
How much does this specific role pay?
This listing is posted at $90/hr, an hourly rate. Pay can change between when we last checked the listing and when you apply, so confirm the current number on the platform's own application page before committing time.
Is a PhD required?
For this specific role, yes, or near-equivalent professional depth. The credential gate is enforced at the assessment stage, not just on paper. That said, active PhD candidates and people with equivalent published research have qualified without a formal degree. The assessment is the real filter.
Can I apply from outside the United States?
This specific role is open only to people based in the United States. If you are somewhere else, applying is unlikely to lead to an offer even if you pass the assessment, because the restriction is usually about where the work can legally be contracted rather than your skills. Read the full description for any tax-residency or right-to-work caveats before you apply.