Backend Developer (Brazil)

Posted Yesterday
Be an Early Applicant
Hiring Remotely in Brazil
Remote
45-80 Hourly
Mid level
Artificial Intelligence • Edtech • Machine Learning • Professional Services
The Role
Develop and evaluate realistic backend and full-stack software engineering tasks for an AI lab project. Responsibilities include implementing bug fixes and features, refactoring and migrations, writing specifications and reference implementations, expanding unit and integration tests, reviewing peer submissions, and identifying edge cases and failure modes. The role is remote, part-time, project-based, and consultants control their schedules.
Summary Generated by Built In

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

Skills Required

  • Advanced professional written proficiency in English
  • 3-7 years of professional software engineering experience
  • Strong proficiency in Python and JavaScript or TypeScript
  • Working knowledge of Java, C#, or Go
  • Backend or full-stack development experience in production systems
  • Experience with testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing
  • Ability to debug and navigate large, multi-file codebases
  • Experience with code reviews, refactoring, and production migrations
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The Company
Year Founded: 2022

What We Do

Anyone AI is an edtech startup dedicated to bridging the AI talent gap by investing in software developers from Latin America. The company provides intensive, hands-on training programs in Machine Learning and Artificial Intelligence, led by industry experts. By combining technical skill development with employability support, Anyone AI prepares professionals for global career opportunities, helping them transition into high-impact roles within the rapidly evolving AI and technology sectors.

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