Java Developer - Remote

Role overview

Join a customer team as a Backend Developer (Java Developer – AI Expert) in a remote, part-time contract. You’ll design and improve robust backend APIs and collaborate with a research team to test and shape next-generation AI-powered developer workflows.

Responsibilities

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

Requirements

• 3+ years professional experience as a backend developer, with strong Java expertise
• 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
• Experience using AI tools for coding; Cursor familiarity is highly desirable
• Excellent written and verbal communication, especially for clear incident/bug reporting
• Ability to work effectively in a fast-paced, remote environment

Nice-to-haves

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