Remote Backend Developer – Python & JavaScript (Part‑time)

About the role

Anyone AI is looking for experienced backend developers to work remotely on a project with a leading AI lab. The role is part‑time, project‑based and focuses 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, ensuring 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, with working knowledge of Java, C# or Go.
• Experience with testing frameworks such as pytest, Jest, JUnit, xUnit or Go testing.
• Proven ability to debug large, multi‑file codebases and perform code reviews, refactoring and production migrations.

Required skills

• Python
• JavaScript
• TypeScript
• Java (working knowledge)
• C# (working knowledge)
• Go (working knowledge)
• pytest
• Jest
• JUnit
• xUnit
• Go testing

What we offer

• Project‑based consultancy with per‑project payment.
• Flexible schedule and remote work.
• Freedom to provide services to other clients, subject to their policies.