Backend Developer - AI Trainer

Anyone AIArgentina - Fully Remote

Remote Contract

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Experience Level

Experience

Qualifications

Qualifications:Exceptional written English proficiency at an advanced level. Between 3 to 7 years of professional experience in software engineering. Strong command of Python and JavaScript/TypeScript along with a working understanding of Java, C#, or Go. Proven experience in backend or full-stack development for production systems. Familiarity with testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing. Ability to effectively debug and navigate through large, multi-file codebases. Experience in conducting code reviews, refactoring, and managing production migrations.

About the job

Role overview

As a Backend Developer - AI Trainer, you will create and review software engineering tasks that mirror real-world scenarios. This includes bug fixes, feature development, code refactoring, and generating tests. The position involves both hands-on coding and peer review to ensure each task meets high standards of accuracy and clarity.

Responsibilities

Design and implement complex coding tasks for bug fixing, feature development, refactoring, and testing.
Write clear, natural-language specifications with 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.

Requirements

Advanced written English skills.
3 to 7 years of professional experience in software engineering.
Strong knowledge of Python and JavaScript or TypeScript, plus familiarity with Java, C#, or Go.
Background in backend or full-stack development for production systems.
Experience with testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing tools.
Ability to debug and navigate large, multi-file codebases.
Experience with code reviews, refactoring, and managing production migrations.

Engagement details

Part-time, project-based consultancy.
Fully remote from Argentina.
Compensation per project, with hourly rates estimated by expected completion time.
Consultants may provide services to other vendors or employers, subject to their policies.

Expected outcomes

Delivery of high-quality, production-ready software engineering tasks.

About Anyone AI

Anyone AI is a forward-thinking organization that specializes in AI technologies and seeks to foster innovation in software engineering. We pride ourselves on our collaborative culture and commitment to excellence.

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