Principal Software App Engineer, Yahoo Mail

Overview

Principal Software App Engineer responsible for the long-term architecture, technical direction, and engineering quality of Yahoo Mail’s Android, iOS, and React Native mobile platform.

What you'll do

• Define the mobile platform’s technical vision, architecture, and roadmap.
• Lead adoption and governance of AI-assisted software development practices.
• Drive architecture reviews, system design audits, and automated code reviews.
• Architect cross-platform features with Product, Design, Data, Infrastructure, and Backend teams.
• Optimize code reuse across React Native and native mobile codebases.
• Design testing strategies, CI/CD pipelines, and AI-assisted quality workflows.
• Mentor senior and staff engineers.

What you'll need

• 10+ years architecting and shipping large-scale consumer mobile applications.
• BS, MS, or PhD in Computer Science, or equivalent practical experience.
• Deep expertise in native Android or iOS and production React Native experience.
• Knowledge of distributed systems, mobile architecture, data structures, and performance optimization.
• Hands-on experience with AI-assisted development tools such as Cursor, GitHub Copilot, Claude Code, or Gemini.
• Experience with RESTful or GraphQL APIs and third-party mobile SDKs.
• Experience leading technical initiatives and mentoring senior technical leaders.

Nice to have

• Experience building GenAI, intelligent mail, or machine learning capabilities in mobile applications.
• Experience building reusable mobile platforms, SDKs, or shared infrastructure.
• Mastery of JavaScript/TypeScript and React Native runtime optimization.
• Experience shipping consumer applications on the Apple App Store and Google Play Store.

Details

• Location: India.
• Yahoo describes its work model as flexible-hybrid.