Anyone AI

Backend Developer - AI Trainer (Netherlands)

Anyone AI
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2 months ago
Remote, NetherlandsMid Level / Senior

Responsibilities

  • Design and implement multi-file coding tasks covering bug fixes, feature development, refactoring, migrations, and testing.
  • Write clear natural-language specifications and complete reference implementations.
  • Develop and extend unit and integration test suites and generate validation artifacts.
  • Review peer-generated tasks for correctness, clarity, quality, and production realism.
  • Identify edge cases, ambiguities, and potential failure modes.
  • Ensure alignment between specifications, code, and expected outputs.
  • Provide structured, actionable peer-review feedback.

Requirements

  • 3–7 years of professional software engineering experience.
  • Advanced professional written proficiency in English.
  • Strong proficiency in Python and JavaScript/TypeScript.
  • Working knowledge of Java, C#, or Go.
  • Backend or full-stack development experience with 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.

Benefits

  • Part-time, project-based consultant engagement.
  • Remote work with control over the consultant’s own schedule.
  • Paid on a per-project basis; hourly rates are estimates based on anticipated completion time.
  • Consultants provide their own tools and may simultaneously provide services to other vendors or employers, subject to those vendors’ allowances.

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