micro1 · Software & coding
Junior Data Scientist
Listed on micro1 as “Junior Data Scientist”
What this actually is
You review AI-generated code, rank model outputs against each other, write prompts that test edge cases, and provide expert feedback that gets used to train coding models. Not shipping production software. The platform title (Junior Data Scientist) reflects the rate band and the expertise required, not the day-to-day work.
Can you do this on your visa?
F-2 / F-4 / F-5 / F-6: open. E-1 to E-7: needs concurrent-employment permit. D-2 / D-4 students: S-3 permit, 20 hr/week cap. D-10 / D-8: case by case.
Korean tax on USD income
First 5 years in Korea: foreign-source income only taxed if remitted into Korea. After year 5: worldwide income. Full tax guide.
Original posting from micro1
Role Title: Junior Data Scientist
Role Type: Contractor
Location: Remote
About the Role micro1 is partnering with a leading AI lab to hire data scientists and quantitative professionals from top companies. You'll bring rigor to how AI models handle statistics, machine learning, experimentation, and quantitative reasoning.
Scope of Work
• Evaluate AI model outputs on data science, statistics, ML, and quantitative problems
• Create expert-level prompts, datasets, and reference solutions
• Identify flawed methodology, statistical errors, and weak quantitative reasoning
• Provide structured feedback that improves model capability
Preferred Qualifications
• At least one year of experience working at a top company (tech, finance, or research), with at least part of this experience within the past 3 years
• Based in an English-speaking country
• Clear written communication of technical and statistical concepts
Quoted from micro1’s public listing on 2026-10-27.We don’t edit platform copy; honest framing is in the title and the “what this actually is” block above.
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More on this platform
About micro1
Recruits experts and generalists for AI training projects and lists each role with an hourly range on its own job board. You apply per role, then do a role-specific interview with micro1's AI recruiter.
Is micro1 legit? Our review
A real US company that pays experts in USD through Deel twice a month. The hard part is getting from the Zara AI interview to paid work. Pay, who can join, and how Korean visa and tax rules apply.
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