Java Developer - Remote

Role Overview

Join a remote contract (part-time) opportunity as a Backend Developer (Java Developer - AI Expert). You’ll design and improve backend APIs and collaborate with cutting-edge AI research while testing AI-powered models in real coding workflows.

Responsibilities

• Design, implement, and optimize REST and GraphQL endpoints for scalable backend APIs
• Drive data validation, error handling, and API security best practices
• Plan and execute database migrations, performance optimizations, and schema changes
• Test new AI-powered models in Cursor, providing feedback via:
  • incident reports
  • bug traces
  • screenshots
• Participate in 4-day intensive testing bursts to evaluate how AI models impact coding workflows
• Collaborate with the research team in a dedicated Slack channel
• Submit detailed post-burst surveys on model performance and developer experience

Requirements

• 3+ years professional experience as a backend developer with strong Java expertise
• Proficiency building and maintaining RESTful and GraphQL APIs
• Advanced knowledge of backend data validation, error handling, and API security
• Hands-on experience with database migrations, performance tuning, and schema design
• Extensive experience using AI tools for coding; Cursor familiarity is highly desirable
• Excellent written and verbal communication, with strong incident/bug reporting
• Ability to thrive in fast-paced, confidential, collaborative remote environments

Preferred Qualifications

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