Backend Developer (Argentina)

Anyone AI is recruiting skilled Backend Developers in Argentina (Python and JavaScript/TypeScript; working knowledge of Java, C#, or Go) to work on a project with a leading AI Lab.

Engagement: Part-time, project-based expert evaluation work

Work Type: Remote

Contributors will design and evaluate realistic software engineering tasks, including bug resolution, feature implementation, refactoring/migration, and test generation. Work includes both creating complex coding scenarios and reviewing peer submissions for quality and accuracy.

This is a project-based consultant role. Consultants will be paid on a per-project basis; hourly rates are estimates based on anticipated completion time. Consultants control their own schedule, provide their own tools, and may simultaneously provide services to other vendors/employers (subject to those vendors’ allowances).

Responsibilities

Design and implement multi-file coding tasks across 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; High-quality, production-realistic coding tasks; Complete and correct reference implementations; Robust test coverage and validation artifacts; Structured, actionable peer review feedback

Requirements

Advanced professional written proficiency in English; 2–5 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 (e.g., pytest, Jest, JUnit, xUnit, Go testing); Proven ability to debug and navigate large, multi‑file codebases; Experience with code reviews, refactoring, and production migrations