Java Developer

**Job Title: **Java Developer - AI Expert

Job Type: Contract (Part-time)

Location: Remote

Job Summary:

Join our customer's team as an experienced Backend Developer. In this high-impact, remote role, you'll design, implement, and continually improve robust backend APIs while collaborating with cutting-edge AI research. You'll help test and shape the next generation of developer tools alongside a high-caliber engineering group.

Key Responsibilities:

• 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.

Required Skills and Qualifications:

• 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.