Full-Stack Developer - AI Trainer (Czechia)

Anyone AI Inc.; United States; Remote; USD 83,000 - 165,000; Part time

Job summary

Anyone AI is seeking skilled Full‑Stack Developers for a project with a leading AI lab. This remote, part‑time consultant role involves designing and evaluating realistic software engineering tasks, including bug fixes, feature work, refactoring, and test generation.

You manage your own schedule, use your own tools, and may work for other vendors as well. Contributors will create complex coding scenarios, write specs and reference implementations, and develop unit and integration tests while

Qualifications

• Advanced professional written proficiency in English.
• 3–7 years of professional software engineering experience.
• Strong proficiency in Python and JavaScript/TypeScript; working knowledge of Java, C#, or Go.
• Backend or full‑stack development experience in production systems.
• Experience with testing frameworks (e.g., pytest, Jest, JUnit, xUnit, Go testing).
• Proven ability to debug and navigate large, multi‑file codebases.
• Experience with code reviews, refactoring, and production migrations.

Responsibilities

• Design and implement multi‑file coding tasks across bug fixing, feature development, refactoring, and testing.
• Write clear natural‑language specifications and reference implementations.
• Develop and extend unit and integration test suites.
• Review peer‑generated tasks for correctness, clarity, and realism.
• Identify edge cases, ambiguities, and potential failure modes.
• Ensure alignment between specifications, code, and expected outputs.

Skills

English proficiency

3–7 years exp

Python

JavaScript/TypeScript

Java/C#/Go

Backend / Full-stack

Testing frameworks

Debug large codebase

Code reviews

Job description

Anyone AI is recruiting skilled Full‑Stack Developers to work on a project with a leading AI lab.

Qualifications:

• Advanced professional written proficiency in English

• 3–7 years of professional software engineering experience

• Strong proficiency in Python and JavaScript/TypeScript; working knowledge of Java, C#, or Go

• Backend or full‑stack development experience in production systems

• Experience with testing frameworks (e.g., pytest, Jest, JUnit, xUnit, Go testing)

• Proven ability to debug and navigate large, multi‑file codebases

• Experience with code reviews, refactoring, and production migrations

Engagement:

Part‑time, project‑based expert evaluation work

Work Type:

Remote

Contributors will design and evaluate realistic software engineering tasks, including bug resolution, feature implementation, refactoring/migration, and test generation. Work includes both creating complex coding scenarios and reviewing peer submissions for quality and accuracy.

This is a project‑based consultant role. Consultants will be paid on a per‑project basis; hourly rates are estimates based on anticipated completion time. Consultants control their own schedule, provide their own tools, and may simultaneously provide services to other vendors/employers (subject to those vendors’ allowances).

Responsibilities:

Contributors will:

• Design and implement multi‑file coding tasks across bug fixing, feature development, refactoring, and testing

• Write clear natural‑language specifications and reference implementations

• Develop and extend unit and integration test suites

• Review peer‑generated tasks for correctness, clarity, and realism

• Identify edge cases, ambiguities, and potential failure modes

• Ensure alignment between specifications, code, and expected outputs

Expected Outcomes:

• High‑quality, production‑realistic coding tasks

• Complete and correct reference implementations

• Robust test coverage and validation artifacts

• Structured, actionable peer review feedback