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Backend Developer - AI Trainer

Anyone AIColombia - Fully Remote
Remote Part-time

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Experience Level

Experience

Qualifications

Qualifications:Advanced written proficiency in English.3 to 7 years of experience in software engineering. Strong skills in Python and JavaScript/TypeScript; familiarity with Java, C#, or Go is a plus. Experience in backend or full-stack development in production environments. Knowledge of testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing. Ability to debug and navigate extensive codebases. Experience with code reviews, refactoring, and migrations in production.

About the job

Anyone AI is looking for Backend Developers to join a fully remote team in Colombia. This role supports a major AI research lab, focusing on software engineering for advanced projects.

What you will do

  • Design and implement complex engineering solutions, including fixing bugs, developing new features, and improving code performance.
  • Create clear specifications in natural language, along with reference implementations to guide development.
  • Expand and improve unit and integration test suites to maintain code quality.
  • Review tasks completed by peers to ensure accuracy and clarity.
  • Identify edge cases and potential ambiguities in specifications and code.
  • Verify that specifications match both the code and intended outcomes.

Requirements

  • Advanced written English skills.
  • 3 to 7 years of experience in software engineering.
  • Strong programming skills in Python and JavaScript or TypeScript. Familiarity with Java, C#, or Go is a plus.
  • Background in backend or full-stack development within production environments.
  • Experience with testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing tools.
  • Ability to debug and work with large codebases.
  • Hands-on experience with code reviews, refactoring, and migrations in production settings.

Engagement details

This is a part-time, project-based consultancy. Consultants manage their own schedules and may work with multiple clients, as long as they follow all client agreements.

About Anyone AI

Anyone AI is an innovative company that harnesses artificial intelligence to create advanced solutions. We are dedicated to empowering talented developers to make significant contributions to transformative projects.

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