Java Developer - Remote

**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.