React/JavaScript Engineer (Frontend) | Remote

Crossing Hurdles is seeking a Software Engineer (Front-end) to develop client-side web applications and tools. The role involves writing prompts, creating evaluation rubrics, and ensuring high-quality datasets while collaborating with research teams.

Responsibilities:

• Write realistic, self-contained prompts for client-side web applications, games, tools, and simulations
• Create precise, binary evaluation rubrics tagged by verification type
• Ensure rubric items are pass/fail and verifiable through screenshot and code inspection
• Develop high-quality datasets focused on UI behavior, interactivity, robustness, and state management
• Apply frontend engineering expertise to evaluate correctness and user experience
• Collaborate asynchronously with research and review teams

Requirements:

• Professional experience in frontend or full-stack development
• Strong proficiency in JavaScript, TypeScript, React, or vanilla JS
• Ability to write clear technical specifications and structured evaluation criteria
• Strong analytical thinking and attention to detail
• Comfortable working independently in a remote, deliverables-driven environment
• Bachelor's degree in Software Engineering, Computer Science, or related field preferred