Senior Web Engineer: AI-Driven, High-Scale Inbox

Yahoo Inc.; Northern (KY); Hybrid; USD 128,000 - 267,000; Full time

Benefits offered by this job

Flexible hybrid work

Healthcare benefits

401k

Backup childcare

Education stipends

Job summary

Yahoo Inc. – Yahoo Mail Web Engineering is seeking a senior software engineer to own end-to-end feature delivery for high-scale web products, leveraging AI-assisted workflows and modern web technologies.

You will mentor engineers, conduct thorough code reviews, and collaborate with product and design to improve performance, accessibility, and security across a globally distributed platform. This role supports a hybrid work model with a strong emphasis on technical excellence and operational

Qualifications

• BS in Computer Science (or equivalent) with 6+ years of professional software engineering on high-scale web apps.
• Strong fundamentals in data structures, algorithms, software architecture, and web performance optimization.
• Deep command of modern web frameworks (React, Node.js, JavaScript/TypeScript) and modern styling methodologies (Atomic CSS, CSS3).
• 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.

Responsibilities

• 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 with automated workflows.
• Technical Judgment & Oversight: Balance AI-generated code outputs with rigorous manual review, ensuring correctness, security and accessibility compliance.
• 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, UX, 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 to elevate standards and adopt AI tooling.

Skills

Data Structures

Algorithms

Software Architecture

Web Performance

React

Node.js

JavaScript/TypeScript

CSS/Styling

CI/CD

AI coding assistants

Prompt engineering

Security

Code reviews

Communication

Education

BS in Computer Science or equivalent

Tools

React

Node.js

JavaScript

TypeScript

Webpack

Redux Toolkit

Storybook

Jest

Playwright

React Testing Library

Job description

Yahoo Inc. – Yahoo Mail Web Engineering is seeking a senior software engineer to own end-to-end feature delivery for high-scale web products, leveraging AI-assisted workflows and modern web technologies.

You will mentor engineers, conduct thorough code reviews, and collaborate with product and design to improve performance, accessibility, and security across a globally distributed platform. This role supports a hybrid work model with a strong emphasis on technical excellence and operational