Frontend UI Engineer

Quick Facts

• Role: Frontend / UI Engineer (Independent Contractor)

• Work arrangement: 100% Remote (Worldwide)

• Compensation: USD $80–$100/hour equivalent; USD $640–$800 per approved task

• Estimated task duration: ~8 hours

Description

You will create and validate advanced AI-related frontend coding tasks by translating visual materials—screenshots, UI mockups, diagrams, and screen recordings—into technically accurate, objectively verifiable assignments. You’ll build functional reference implementations, debug real frontend application code, and review tasks produced by other contributors for technical accuracy and verifiability.

Responsibilities

• Design complex, multi-step frontend coding tasks based on provided visuals/videos

• Translate visual inputs into precise technical specifications and expected application behavior

• Identify relevant source code, components, files, and artifacts needed to complete tasks

• Define objective, reproducible success criteria to verify correctness

• Build working reference implementations of the expected solutions

• Read, modify, debug, and validate real-world frontend code

• Review other contributors’ tasks for accuracy, clarity, and verifiability

• Flag ambiguous, incomplete, or technically ungradable tasks

• Apply frontend best practices to ensure reliable and measurable outcomes

• Collaborate through structured, task-based workflows for AI evaluation initiatives

Requirements

• Strong professional frontend engineering experience (React/TypeScript/JavaScript or comparable)

• Mandatory: public GitHub profile with substantial, verifiable contributions (commits, merged PRs, maintained repos, or open-source)

• Proven experience delivering complex interactive user interfaces

• Strong ability to read/understand/modify/debug/validate real-world frontend application code

• Solid understanding of frontend architecture, UI components, application behavior, and interactive workflows

• Ability to translate screenshots/mockups/diagrams/recordings into clear technical requirements

• Ability to define objective, reproducible testing/verification criteria

• Ability to develop working reference implementations that demonstrate expected behavior

• Strong analytical thinking and attention to detail

• Strong written English communication for documenting requirements, expected behavior, and verification procedures

• Ability to work independently in a fully remote, project-based environment

Benefits

• Fully remote, worldwide, flexible project-based contracting

• Project-based payment per approved task (not guaranteed hourly employment)