Frontend Code Evaluation Expert

Obsidian; San Francisco (CA); On-site; USD 120,000 - 160,000; Full time

Job summary

Obsidian seeks a seasoned frontend reviewer to analyze real-world web pages against model reconstructions. You will work with raw HTML/CSS, inspect layouts, and justify every preference with concrete evidence.

The task emphasizes pixel fidelity, semantic markup, and responsive behavior across viewports. You will document findings with precise citations, compare two candidate reproductions, and deliver structured feedback in professional English.

Qualifications

• Extensive experience with hand-written HTML and CSS, including semantic markup, flexbox, grid, media queries, and legacy layouts.
• Strong JavaScript knowledge to read and reason about page scripts.
• Ability to justify design decisions with evidence and precise citations.
• Excellent written and professional English; able to provide clear rationale for every rating.

Responsibilities

• Render reference and two candidate pages at 1920×1080 and judge fidelity state by state.
• Describe differences in box model, typography, color, and asset handling with precise rationale.
• Identify how responsive behavior is implemented and where it fails at different viewports.
• Provide a detailed, evidence-based evaluation for each page.

Skills

Frontend web development

HTML & CSS mastery

JavaScript proficiency

Browser DevTools

Command-line / local server setup

English communication

Tools

DevTools (Chrome/Firefox)

Job description

Obsidian seeks a seasoned frontend reviewer to analyze real-world web pages against model reconstructions. You will work with raw HTML/CSS, inspect layouts, and justify every preference with concrete evidence.

The task emphasizes pixel fidelity, semantic markup, and responsive behavior across viewports. You will document findings with precise citations, compare two candidate reproductions, and deliver structured feedback in professional English.