Remote Backend Engineer for AI Task Lab - Part-Time

Anyone AI Inc.; Colombia; Remote; COP 135,809,000 - 316,887,000; Part time

Job summary

Anyone AI Inc. is seeking skilled Backend Developers to contribute to a project with a leading AI lab. You will design multi-file coding tasks, implement features, and extend unit and integration tests in a remote, part-time consultancy role.

Contributors will review peer submissions, identify edge cases, and ensure alignment between specifications, code, and outputs. You may set your own hours and work with multiple clients, as long as expectations are met and quality remains high.

Qualifications

• Advanced proficiency in English.
• 3–7 years of professional software engineering experience.
• Backend or full-stack development experience in production systems.
• Experience with testing frameworks (pytest, Jest, JUnit, xUnit, Go testing).
• 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

Advanced English

Software engineering experience

Backend or full-stack development

Testing frameworks

Debugging large codebases

Code reviews

Refactoring

Production migrations

Job description

Anyone AI Inc. is seeking skilled Backend Developers to contribute to a project with a leading AI lab. You will design multi-file coding tasks, implement features, and extend unit and integration tests in a remote, part-time consultancy role.

Contributors will review peer submissions, identify edge cases, and ensure alignment between specifications, code, and outputs. You may set your own hours and work with multiple clients, as long as expectations are met and quality remains high.