Senior Web Engineer - AI-Driven, High-Scale Mail

Yahoo Holdings Inc. in; New York (NY); Hybrid; USD 128,000 - 267,000; Full time

Job summary

Yahoo Mail is seeking a Sr Software Web Engineer to lead feature development for high-scale web products, with a focus on AI-assisted workflows and secure, accessible experiences.

You will own end-to-end delivery from architecture through production monitoring, collaborating with PMs, UX designers, and cross-functional partners across Yahoo's global infrastructure. Strong emphasis on performance, security, and coding best practices in a fast-paced environment.

Qualifications

• BS in Computer Science, Software Engineering, or equivalent experience.
• 6+ years of professional software engineering on high-scale web applications.
• Strong fundamentals in data structures, algorithms, and web performance optimization.
• Deep command of modern web frameworks (React, Node.js, JavaScript/TypeScript) and modern styling methodologies.
• Hands-on experience with AI coding assistants integrated into daily software design, development, and debugging workflows.

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 to accelerate web application implementation while maintaining architectural integrity, code quality, and security standards.
• Lifecycle Optimization: Identify and implement AI-driven efficiencies across the software development lifecycle.
• Technical Judgment & Oversight: Balance AI-generated code outputs with rigorous manual review for correctness and security.
• High-Scale Impact: Take end-to-end technical ownership of key Yahoo Mail web components at massive scale.
• Quality & Collaboration: Conduct thorough code reviews and collaborate with product managers, UX designers, and cross-functional partners.
• Operational Excellence: Write clean, testable code and actively deploy, monitor, and maintain large-scale production web systems.
• Mentorship & Innovation: Mentor engineers and evaluate emerging tooling to keep the team at the technical forefront.

Skills

React

Node.js

JavaScript/TypeScript

Web Performance

CI/CD

AI coding assistants

Code reviews

Security

Accessibility (a11y)

Education

BS in Computer Science or Software Engineering

Tools

Webpack

Redux Toolkit

Storybook

Jest

Playwright

React Testing Library

Unix/Linux

Job description

Yahoo Mail is seeking a Sr Software Web Engineer to lead feature development for high-scale web products, with a focus on AI-assisted workflows and secure, accessible experiences.

You will own end-to-end delivery from architecture through production monitoring, collaborating with PMs, UX designers, and cross-functional partners across Yahoo's global infrastructure. Strong emphasis on performance, security, and coding best practices in a fast-paced environment.