[Remote] Principal Frontend Web Engineer, Yahoo Mail

Note: The job is a remote job and is open to candidates in USA. Yahoo is a leading company known for its consumer inbox service, Yahoo Mail, which serves hundreds of millions of users worldwide. They are seeking a Principal Frontend Web Engineer to lead the development of next-generation communication products on the web, focusing on AI-assisted workflows and high-quality code delivery.ResponsibilitiesFeature Leadership & Delivery: Define, design, develop, and ship major new features in current and future web products, owning them end-to-end from requirements through production monitoringAI-First Workflow Orchestration: Leverage approved AI-assisted tools (such as Cursor and Claude Code) to accelerate implementation while maintaining architectural integrity, code quality, and securityLifecycle Optimization: Identify and implement AI-driven efficiencies across the development lifecycle, replacing manual boilerplate and repetitive refactors with automated, AI-validated workflowsTechnical Judgment & Oversight: Balance AI-generated outputs with manual oversight, reviewing generated code for architectural correctness, performance, and adherence to strict accessibility and security standardsHigh-Scale Impact: Take ownership of web application areas impacting millions, tackling hard engineering and UX problems with elegant, seamless solutionsQuality & Collaboration: Perform thorough code reviews and collaborate with UX designers and product managers to deliver platform improvements and critical bug fixesOperational Excellence: Write testable, reliable code and deploy, monitor, and operate large-scale production web systems distributed across the globeMentorship & Innovation: Mentor engineers across the squad and adjacent teams to scale AI-first best practices, establishing guardrails for AI-augmented coding, and evaluating emerging tooling to keep Yahoo at the leading edgeSkillsBS in Computer Science (or equivalent) with 8+ years of professional software engineering experience (or equivalent years of experience)Strong understanding of the fundamentals including Data Structures, Algorithms, and Software DesignDeep technical knowledge of responsive design and modern JavaScript frameworks (e.g., React, Angular) and Node.jsExpertise in web application development with a strong command of browser-side technologies including HTML5, CSS3, TypeScript, and OOP JavaScriptProven expertise in software development principles, including design patterns, CI/CD, and deployment architectureExperience with modern web technologies like Webpack, Redux Toolkit, Atomic CSS, Storybook, and REST APIsExpertise in test-driven development and frameworks such as Jest, Selenium, Playwright, and React Testing LibraryExpert knowledge of web application performance, stability, and debuggingHands-on experience with approved AI code-assist tools (such as Cursor and Claude Code) integrated into daily development workflowsProficient in writing clear prompts, engineering context-rich system prompts, and iterating on AI suggestions to achieve robust implementation resultsCommitment to evaluating and validating AI-generated outputs to detect logical errors, security vulnerabilities, and code regressionsExperience developing Mail or Calendar applicationsExperience with ML and GenAI, including building user-facing features powered by LLMsExperience working in Unix/Linux environmentsExperience with mobile web developmentExperience with Scrum, Squad, or similar agile development methodologiesExposure to accessibility (a11y) or internationalization (i18n) for large-scale systemsBenefitsIncentive compensation opportunities in the form of discretionary annual bonus or commissionsHealthcareA great 401kBackup childcareEducation stipendsCompany OverviewYahoo is a technology and media company that serves users through its portfolio of digital platforms, products, and services. It is a sub-organization of Verizon Media. It was founded in 1994, and is headquartered in Sunnyvale, California, USA, with a workforce of 5001-10000 employees. Its website is http://www.yahoo.com.Company H1B SponsorshipYahoo has a track record of offering H1B sponsorships, with 197 in 2023, 646 in 2022, 381 in 2021, 463 in 2020. Please note that this does not guarantee sponsorship for this specific role.