Frontend Engineer | Remote

Crossing Hurdles; United Kingdom; In loco; GBP 60.000 - 90.000; Tempo pieno

Descrizione del lavoro

Crossing Hurdles is seeking a frontend engineer to design and validate visual interface tasks. You will craft multi-step coding challenges based on screenshots and diagrams, and specify expected behavior and success criteria.

You will provide reference implementations, review submissions for technical accuracy, and help ensure tasks are measurable and unambiguous, with clear verification steps. Strong English communication is essential.

Competenze

• Strong frontend engineering skills with React, TypeScript, or similar technologies.
• Experience shipping complex interfaces and interactions.
• Ability to read, modify, debug, and validate real application code.

Mansioni

• Design multi-step coding tasks grounded in visual material such as screenshots, UI mockups, and diagrams.
• Specify code and artifacts involved in tasks and define expected behavior.
• Define objective success criteria for task verification.
• Provide a working reference implementation for tasks.
• Review tasks built by other contributors for technical accuracy and verifiability.

Conoscenze

Frontend engineering

React

TypeScript

UI/UX design

Debugging

Strumenti

GitHub

Descrizione del lavoro

• Design multi-step coding tasks grounded in visual material such as screenshots, UI mockups, and diagrams.
• Specify code and artifacts involved in tasks and define expected behavior.
• Define objective success criteria for task verification.
• Provide a working reference implementation for tasks.
• Review tasks built by other contributors for technical accuracy and verifiability.
• Flag ambiguous or ungradable tasks.

Requirements

• A public GitHub profile with substantial, verifiable contributions.
• Strong frontend engineering skills with React, TypeScript, or similar technologies.
• Experience shipping complex interfaces and interactions.
• Ability to read, modify, debug, and validate real application code.
• Experience with UI, graphics, SVG, or Canvas work is valuable.
• Strong written English and ability to explain expected behavior and verification steps.
• Prior data labeling, AI evaluation, or rubric-based review experience is a plus.