Backend Developer (Peru)

Anyone AI Inc.; Comisión de Fomento de Perú; Hybrid; ARS 83,531,000 - 229,711,000; Part time

Job summary

Anyone AI Inc. is seeking skilled Backend Developers (Python and JavaScript/TypeScript) to collaborate on a project with a leading AI Lab. Remote, part-time engagement, with per-project compensation and control over schedule.

Ideal candidates have 3–7 years of software engineering experience, deep Python and JS/TS proficiency, and working knowledge of Java, C#, or Go. Responsibilities include designing tasks, writing specs, and building tests for production-grade systems.

Qualifications

• Advanced written English proficiency.
• 3–7 years of professional software engineering experience.
• Strong Python and JavaScript/TypeScript skills; some Java/C#/Go knowledge.
• Backend or full-stack development in production systems.
• Experience with testing frameworks (pytest, Jest, JUnit, xUnit, Go testing).
• Able to navigate large multi-file codebases and debug effectively.
• Experience with code reviews, refactoring, and migrations.

Responsibilities

• Design and implement multi-file coding tasks across bug fixing, feature development, refactoring, and testing.
• Write clear specifications and reference implementations.
• Develop and extend unit and integration test suites.
• Review peer-generated tasks for correctness and realism.
• Identify edge cases and potential failure modes.
• Ensure alignment between specifications, code, and outputs.

Skills

English proficiency

Experience

Python

JavaScript/TypeScript

Backend development

Testing frameworks

Debug multi-file codebases

Code reviews/refactoring

Tools

pytest

Jest

JUnit

xUnit

Go testing

Job description

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

Qualifications:

• Advanced professional written proficiency in English

• 3-7 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

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:

Contributors will:

• 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

Expected Outcomes:

• High-quality, production-realistic coding tasks

• Complete and correct reference implementations

• Robust test coverage and validation artifacts

• Structured, actionable peer review feedback