Java Developer – Remote

Role overview

Java Developer (Freelance) — fully remote in the United States. You will review production-grade code, evaluate AI outputs across multiple programming languages, and help define engineering standards.

Responsibilities

• Code quality assessment: Review AI-generated full-stack code for production readiness, focusing on maintainability, scalability, and real-world engineering standards.
• Solution ranking: Compare and rank solutions across multiple programming languages.
• Technical training content:
  • Create and answer questions on software engineering best practices.
  • Document debugging strategies and version control workflows.
  • Provide expert feedback on collaborative coding practices.
• AI model improvement (engineering evaluation):
  • Evaluate code quality across full-stack development scenarios.
  • Assess Git workflows (branching, merging, collaboration).
  • Generate training data to improve advanced coding AI capabilities.

Required qualifications

• 3+ years professional full-stack development experience.
• Proficiency in 2+ languages among: JavaScript, Python, Go, Java, TypeScript, C++.
• Experience building and shipping production software.
• Strong Git knowledge (branching, merging, collaboration).
• Excellent technical communication skills.

Preferred qualifications

• Backend engineering and server-side scaling experience.
• TDD experience with PyTest / JUnit / Mocha.
• Technical specification writing and API contract authoring.
• Code review, complex debugging, and large codebase analysis.
• Startup founding / early employee experience.