Note: The job is a remote job and is open to candidates in USA. Yahoo operates Yahoo Mail, a large-scale consumer inbox serving hundreds of millions of users. The Sr Software Web Engineer will lead the end-to-end development and operation of high-impact web features, use AI-assisted engineering workflows, ensure code quality, security, performance, and accessibility, and mentor engineers while collaborating with cross-functional teams.
Responsibilities
- Feature Leadership & Delivery: Define, design, develop, and ship high-impact features for Yahoo Mail web products, owning deliverables end-to-end from technical architecture through production monitoring
- AI-First Workflow Orchestration: Leverage AI-assisted tools (Cursor, Claude Code) to accelerate web application implementation and refactoring while maintaining strict architectural integrity, code quality, and security standards
- Lifecycle Optimization: Identify and implement AI-driven efficiencies across the software development lifecycle, replacing manual boilerplate code and repetitive tasks with automated, AI-validated workflows
- Technical Judgment & Oversight: Balance AI-generated code outputs with rigorous manual review, ensuring correctness, security vulnerability prevention, and adherence to performance and accessibility (a11y) standards
- High-Scale Impact: Take end-to-end technical ownership of key Yahoo Mail web components, solving complex engineering and user experience challenges at massive scale
- Quality & Collaboration: Perform thorough, constructive code reviews and collaborate closely with product managers, UX designers, and cross-functional partners to deliver platform improvements and critical fixes
- Operational Excellence: Write clean, testable code and actively deploy, monitor, and maintain large-scale production web systems distributed across global infrastructure
- Mentorship & Innovation: Mentor engineers across the squad to elevate technical standards, scale AI-assisted development best practices, and evaluate emerging tooling to keep the team at the technical forefront
- Adhering to Yahoo policies; exercising sound judgment; working effectively, safely and inclusively with others; exhibiting trustworthiness and meeting expectations; and safeguarding business operations and brand integrity
Skills
- BS in Computer Science, Software Engineering (or equivalent experience) with 6+ years of professional software engineering experience on high-scale web applications
- Strong fundamentals in Data Structures, Algorithms, Software Architecture, and Web Performance Optimization
- Deep technical command of modern web frameworks (React, Node.js, JavaScript/TypeScript) and modern styling methodologies (Atomic CSS, CSS3)
- Solid hands-on experience with modern front-end build and testing tools (Webpack, Redux Toolkit, Storybook, Jest, Playwright, React Testing Library)
- Hands-on proficiency with AI coding assistants (Cursor, Claude Code) integrated into daily software design, development, and debugging workflows
- Demonstrated ability to write structured prompts, evaluate AI-generated outputs, and iterate on AI suggestions to produce robust, secure production code
- Active commitment to validating AI-assisted code to prevent security vulnerabilities, hallucinations, edge-case failures, and performance regressions
- Strong track record of shipping and operating scalable customer-facing web features in a CI/CD environment
- Excellent verbal and written communication skills with a collaborative, growth-oriented mindset
- Experience developing high-traffic email, messaging, productivity, or calendar web applications
- Experience building customer-facing product features powered by LLMs, GenAI APIs, or machine learning pipelines
- Experience using multiagent workflows
- Experience in Unix/Linux operating environments and shell scripting
- Familiarity with mobile web development and responsive web design patterns
- Experience working in Agile/Scrum or Squad-based engineering structures
- Familiarity with enterprise observability tools (Splunk, Grafana) and client-side performance monitoring
- Practical exposure to accessibility (a11y) standards (WCAG) and internationalization (i18n) for global applications
Benefits
- Flexible hybrid work options
- Discretionary annual bonus or commissions
- Healthcare
- 401k
- Backup childcare
- Education stipends
- Employee resource groups (ERGs) with programs, events and fellowship
Company Overview
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