Backend Developer (AI)

Location: Mexico — fully remote

Compensation: $45–$80 per hour; hourly rates are estimates based on anticipated project completion time, with payment made per project.

Company

hirify.global engages software engineering contributors for a project with a leading AI Lab.

What you will do

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

Requirements

• Advanced professional written English proficiency.
• 3–7 years of professional software engineering experience.
• Strong proficiency in Python and JavaScript/TypeScript, plus working knowledge of Java, C#, or Go.
• Backend or full-stack development experience with production systems.
• Experience with testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing.
• Ability to debug and navigate large multi-file codebases, perform code reviews, refactoring, and production migrations.

Culture & Benefits

• Part-time, project-based expert evaluation work.
• Fully remote work with a self-controlled schedule.
• Contributors provide their own tools and may work simultaneously with other vendors or employers, subject to their allowances.
• Work focuses on producing realistic coding tasks, correct implementations, robust test coverage, and actionable peer feedback.