Java Developer - Remote

Role Overview

Join your customer’s team as a Backend Java Developer (AI Expert) in a remote, part-time contract role. You’ll design and improve robust backend APIs and collaborate with a research team to test AI-powered models in real coding workflows.

Responsibilities

• Design, develop, and optimize REST and GraphQL endpoints for scalable APIs
• Implement strong data validation, error handling, and API security practices
• Plan and execute database migrations, performance optimizations, and schema changes
• Test new AI-powered models using Cursor, and submit actionable feedback (incident reports, bug traces, screenshots)
• Participate in 4-day intensive testing bursts evaluating AI impact on coding workflows
• Collaborate with the research team via Slack and propose improvements
• Complete post-burst surveys covering model performance and developer experience

Required Skills

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

Preferred Qualifications

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