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# Remote Java Developer for AI Model Training

- **Company:** HAN IT STAFFING, INC.
- **Location:** Chicago, IL, United States (Remote available)
- **Experience:** Expert
- **Salary:** $104,000.0 - $249,600.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Artificial Intelligence, Data Validation, Cursor (Graphical User Interface Elements), Github, Machine Learning, Open Source Technology, Performance Tuning, Software Engineering, Software Security, Backend, Database Migration, Bug Reporting, Graphql, Restful APIs
- **Published:** May 28, 2026
- **Apply:** https://www.careerjet.com/jobad/us63f4f57a4ec7ce7295d46ca6e1146f21

## About the Role

* 3+ years of professional experience as a backend developer, with strong expertise in Java.
 * Proficient in building and maintaining RESTful and GraphQL APIs.
 * Advanced understanding of backend data validation, error handling, and API security.
 * Hands-on experience with database migrations, performance tuning, and schema design.
 * Extensive use of AI tools for coding; familiarity with Cursor is highly desirable.
 * Outstanding written and verbal communication skills, with a knack for clear incident and bug reporting.
 * Proven ability to thrive in fast-paced, confidential, and collaborative remote environments.

Preferred Qualifications:

 * Visible contributions to open source (e.g., GitHub stars or contributions).
 * Experience designing or evaluating experimental tooling and developer workflows.
 * Demonstrated enthusiasm for AI advancements in software development.

## Description

As a Java Developer, you will play a pivotal role in shaping the future of AI systems by providing high-quality, real-world input that influences how models learn, reason, and perform. This part-time, remote position allows you to leverage your domain expertise without requiring prior experience in AI., * Design, develop, and optimize REST and GraphQL endpoints for scalable APIs.

 * Drive data validation, error handling, and security best practices within backend services.
 * Plan and execute database migrations, optimizations, and schema changes as needed.
 * Actively test new AI-powered models in Cursor, providing actionable feedback via incident reports, bug traces, and screenshots.
 * Participate in 4-day intensive testing bursts, exploring how AI models impact real coding workflows.
 * Engage thoughtfully with the research team in a dedicated Slack channel to discuss findings and propose improvements.
 * Submit detailed post-burst surveys, delivering insights on model performance and developer experience., Job Title: Java Developer Location: Jersey City, NJ or Chicago, IL (5 days Onsite) Duration: Contract Summary: Strong Java Developers and Leads, that have strong problem-solving…
 + 10 days ago
 + Apply easily


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