Backend Developer – Part‑time Remote (Peru)

About the role

Anyone AI is looking for experienced Backend Developers to contribute to a project with a leading AI Lab. This is a part‑time, remote, project‑based consultant role where you will design and evaluate realistic software engineering tasks.

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 complex coding scenarios.
• Develop and extend unit and integration test suites to ensure robust validation.
• Review peer‑generated tasks for correctness, clarity, and realism, providing structured feedback.

Required profile

• Advanced professional written proficiency in English.
• 3–7 years of professional software engineering experience.
• Experience with backend or full‑stack development in production systems.
• Proven ability to debug large, multi‑file codebases and perform code reviews, refactoring, and production migrations.

Required skills

• Python
• JavaScript / TypeScript
• Working knowledge of Java, C#, or Go
• Testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing