Full-Stack Developer - AI Trainer

About the role

Anyone AI is seeking experienced Full-Stack Developers to design and evaluate realistic software engineering tasks for a leading AI Lab. This part‑time, project‑based role is fully remote and focuses on creating and reviewing coding scenarios that simulate production environments.

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 for each task.
• Develop and extend unit and integration test suites to validate solutions.
• Review peer‑generated tasks for correctness, clarity, realism, and edge‑case coverage.
• Identify ambiguities, potential failure modes, and ensure alignment between specifications, code, and expected outputs.

Required profile

• Advanced professional written proficiency in English.
• 3–7 years of professional software engineering experience.
• Proven ability to debug and navigate large, multi‑file codebases.
• Experience with code reviews, refactoring, and production migrations.
• Self‑managed schedule, own tools, and ability to work concurrently with other clients.

Required skills

• Strong proficiency in Python and JavaScript/TypeScript.
• Working knowledge of Java, C#, or Go.
• Experience with testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing.
• Backend or full‑stack development experience in production systems.

What we offer

• Project‑based consultant role with per‑project compensation.
• Flexible, remote work schedule.
• Opportunity to contribute to cutting‑edge AI research and tooling.