Backend Developer – Remote Part‑Time

About the role

anyone‑ai is seeking experienced backend developers to contribute to a project with a leading AI lab. The work is remote, part‑time and project‑based, allowing consultants to set their own schedules and use their own tools while delivering 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 each task.
• Develop and extend unit and integration test suites to validate implementations.
• Review peer‑generated tasks for correctness, clarity, realism, and provide actionable feedback.
• Identify edge cases, ambiguities, and potential failure modes to ensure high‑quality deliverables.

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
• C#
• Go
• pytest
• Jest
• JUnit
• xUnit
• Go testing