Java Developer - Remote, Eindhoven

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.

Job Details Job Title:

Java Developer - AI Expert

Job Type: Contract (Part-time)

Location: Remote

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.

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