Java Coding Specialist – Freelance AI Trainer Project

Invisible Technologies

Java expert evaluating model-generated solutions for AI project with advanced language models. Spotting flawed abstractions and assessing code quality for diverse Java problems.

Posted 4/15/2026contractRemote • 🇺🇸 United StatesMid-LevelSenior💰 $45 per hourWebsite

Tech Stack

Tools & technologies

Java

About the role

Key responsibilities & impact

Spot flawed abstractions in codebases.
Put advanced language models through Java problems evaluating correctness, quality, and edge cases.
Review model-generated solutions identifying inaccuracies and documenting failure patterns.
Assess whether problems are well-specified and appropriately challenging for training purposes.

Requirements

What you’ll need

Deep fluency in object-oriented design, concurrency, JVM internals, data structures, algorithms, and system architecture
Significant real-world Java experience, competitive programming, open-source contributions, or technical writing.
Ability to articulate why a solution is wrong or weak, not just that it is.

Benefits

Comp & perks

Company-sponsored benefits such as health insurance and PTO do not apply.

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Javaobject-oriented designconcurrencyJVM internalsdata structuresalgorithmssystem architecturecompetitive programmingopen-source contributionstechnical writing

Soft Skills

articulation of solutionsanalytical thinking