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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr Software Web Engineer, Yahoo Mail - **Company:** Yahoo - **Location:** Richardson, TX, United States - **Experience:** Expert - **Salary:** $128,250.0 - $266,875.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Automation of Tests, Cascading Style Sheets (CSS), Software Quality, Code Review, Continuous Integration, Data Structures, Cursor (Graphical User Interface Elements), Software Debugging, Web Development, Industry Standard Architecture, Node.Js, Scrum Methodology, Software Architecture, Responsive Web Design, Shell Script, Software Engineering, TypeScript, Web Content Accessibility Guidelines, Web Applications, Web Application Frameworks, Web Performance Optimization, Workflow Management Systems, ReactJS, Large Language Models, Grafana, Webpack, Yahoo Mail, Information Technology, Playwright, Production Code, Performance Monitor, Machine Learning Operations, React Redux, React Testing Library, Splunk, Code Restructuring - **Published:** August 20, 2026 - **Apply:** https://www.jofdav.com/jobs/59326776-sr-software-web-engineer-yahoo-mail ## About the Role * 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. The material job duties and responsibilities of this role include those listed above as well as 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. ## Description * 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. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Stop using Node.js like in 2020! 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