Backend Developer (AI)

Location: Ecuador — fully remote

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

Company

hirify.global provides expert evaluation and software engineering task development services for a leading AI lab.

What you will do

• Design and implement multi-file coding tasks covering bug fixing, feature development, refactoring, migration, 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 between specifications, code, and 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.
• Experience with code reviews, refactoring, and production migrations.

Culture & Benefits

• Part-time, project-based expert evaluation work.
• Remote engagement with an independently controlled schedule.
• Consultants provide their own tools and may simultaneously work for other vendors or employers, subject to those parties’ allowances.
• Expected outputs include production-realistic coding tasks, correct reference implementations, robust test coverage, validation artifacts, and actionable peer-review feedback.