A remote role at Invisible Agency.
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Java Coding Specialist - Freelance AI Trainer Project United States of America
Are you a Java expert who can spot a flawed abstraction from across a codebase? Large-scale language models are evolving from clever chatbots into engines of real scientific and engineering progress. High-quality training data is what separates a capable model from a genuinely useful one. That data starts with people who actually know the craft.
We're looking for Java specialists with deep fluency in object-oriented design, concurrency, JVM internals, data structures, algorithms, and system architecture. You'll put advanced language models through their paces on Java problems spanning a wide range of difficulty and complexity, assessing whether model-generated solutions are correct, well-reasoned, and production-quality. That means evaluating not just whether code runs, but whether it's the right approach, whether edge cases are handled, and whether the reasoning behind it holds up.
You'll review Java problems and model-generated solutions, judge correctness and code quality, identify where the model's logic breaks down, and document failure patterns clearly enough that others can act on them. You may also flag whether a given problem is well-specified and appropriately challenging for training purposes.
A bachelor's, master's, or PhD in computer science, software engineering, or a closely related field is a strong signal. So is real-world Java experience, competitive programming, open-source contributions, or technical writing. The ability to clearly articulate why a solution is wrong or weak, not just that it is, matters as much as the technical depth.
Ready to put your Java expertise to work shaping the next generation of AI? Apply today.
We offer a pay of $45 per hour for candidates who successfully pass our preliminary Java-focused assessments. As a contractor, you'll supply your own secure computer and high-speed internet. Company-sponsored benefits such as health insurance and PTO do not apply.…
Invisible Agency
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