Job Title - Senior Frontend Software Engineer - E! Online Web
Location: Fort Lee, NJ Hybrid (3 Days Onsite)
Experience: 10+ Years
Responsibilities:
● Develop and maintain customer-facing features across E! Online.
● Help execute the React 16 → React 18.3 → React 19 modernization roadmap.
● Upgrade React-facing dependencies, including Apollo Client, Helmet, intersection observers, and UI libraries.
● Maintain server-side rendering and browser hydration behavior.
● Diagnose and resolve hydration mismatches, rendering failures, race conditions, and browser-specific issues.
● Build regression coverage for critical routes and user journeys.
● Maintain GraphQL queries and Apollo Client cache behavior.
● Develop and support article, gallery, video, livestream, navigation, poll, newsletter, and CMS-driven experiences.
● Integrate and troubleshoot advertising, consent, analytics, and third-party services.
● Protect SEO requirements, including metadata, canonical URLs, social tags, structured data, and server-rendered content.
● Improve accessibility, performance, resilience, and Core Web Vitals.
● Write clear unit, integration, hydration, and browser tests.
● Review pull requests and identify functional, regression, security, and maintainability risks.
● Participate in production support, root-cause analysis, and incident follow-up.
● Create technical documentation and communicate implementation decisions to engineers and stakeholders.
● Work closely with product, design, QA, CMS, platform, advertising, analytics, and release-engineering teams.
Required qualifications
● Strong professional experience developing production React applications.
● Advanced JavaScript, HTML, and CSS skills.
● Experience working with hooks, context, component lifecycles, and error boundaries.
● Experience with server-rendered React applications or similar SSR frameworks.
● Strong understanding of hydration and server/browser rendering differences.
● Experience with GraphQL and client-side caching.
● Demonstrated ability to write behavior-focused tests with React Testing Library.
● Experience diagnosing difficult production issues involving state, asynchronous behavior, APIs, or third-party integrations.
● Ability to modernize legacy code incrementally while controlling regression risk.
● Strong Git and pull-request review practices.
● Ability to communicate technical risks and tradeoffs clearly.
● Ability to work independently while collaborating effectively across teams.
Preferred qualifications
● Experience migrating a large application between major React versions.
● Experience with media, publishing, entertainment, or other content-heavy platforms.
● Familiarity with video players, live streaming, playlists, and advertising integrations.
● Experience with Apollo cache normalization and SSR cache hydration.
● Knowledge of technical SEO and structured metadata.
● Familiarity with OneTrust or other consent-management platforms.
● Experience with Adobe analytics, data layers, or comparable analytics systems.
● Experience supporting internationalized websites.
● Familiarity with accessibility standards such as WCAG.
● Experience with high-traffic, revenue-generating consumer applications.
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