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micro1 · Software & coding

Puzzle Solver (Coding)

Listed on micro1 as “Puzzle Solver (Coding)”

$60-$120/hrRemoteContractPaid in USD
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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 (Puzzle Solver (Coding)) 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

Puzzle Solver (Coding)

Pay: $60-$120/hour

Location: Global, fully remote

Job Type: Contractor (~15 hours per week)

Schedule: Flexible-you choose the hours and days you work, including weekends if desired

We are looking for highly skilled competitive puzzle solvers to contribute to an AI training project involving algorithmic reasoning, debugging, constrained technical problems, and reproducible software solutions.

The work involves solving self-contained coding and technical challenges designed to test the capabilities of advanced AI models. A representative task may require exploring an unfamiliar codebase or terminal environment, understanding a precise objective, implementing a solution, testing it against hidden or explicit constraints, and producing a reproducible final result.

What You’ll Work On

• Solve self-contained coding, logic, debugging, and technical reasoning challenges.

• Analyze unfamiliar problems and translate their requirements into implementable solutions.

• Select appropriate algorithms, data structures, and problem-solving strategies.

Required Qualifications

• A Codeforces profife is a must

• Strong understanding of common data structures and algorithms.

• Ability to reason carefully about constraints, complexity, edge cases, and correctness.

• Experience debugging unfamiliar code or solving technically ambiguous problems.

A public or otherwise verifiable Codeforces profile demonstrating meaningful competitive-programming experience is nice to have.

Process

• Apply to the role and complete the screening questions.

• Complete an AI interview of approximately 30 minutes.

• Complete the hiring manager review.Compensation Structure

Compensation is output-based. Experts are paid per task that meets the project specifications. The time required to complete each task may vary depending on the expert’s experience and workflow.

Minimum submission requirements apply.

Start Timeline & Availability

• We typically fill roles within 48 hours and are looking for experts who are ready to begin immediately. If selected, you will be expected to start your first task within 24-48 hours of completing onboarding.

Quoted from micro1’s public listing on 2026-10-26.We don’t edit platform copy; honest framing is in the title and the “what this actually is” block above.

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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.

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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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