Job Title - Senior Frontend Software Engineer - E! Online Web

• 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.

• 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.