Full-Stack Developer - AI Trainer (Ecuador)

About the role

Anyone AI is seeking experienced Full‑Stack Developers to join a project with a leading AI lab. The position is remote, part‑time, and project‑based, focusing on designing realistic software engineering tasks and evaluating peer submissions.

Key responsibilities

• Design and implement multi‑file coding tasks covering 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.

Required profile

• 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 such as pytest, Jest, JUnit, xUnit, or Go testing.
• Proven ability to debug large, multi‑file codebases.
• Experience with code reviews, refactoring, and production migrations.

Required skills

• Python
• JavaScript
• TypeScript
• Java
• C#
• Go
• pytest
• Jest
• JUnit
• xUnit
• Go testing

What we offer

• Project‑based consultant role with per‑project compensation.
• Flexible schedule and remote work.
• Freedom to provide services to other vendors, subject to their policies.
• Opportunity to influence realistic AI‑driven software engineering assessments.