Senior Full-Stack Engineer, Yahoo Search

Yahoo serves as a trusted guide for hundreds of millions of people globally, helping them achieve their goals online through our portfolio of iconic products. For advertisers, Yahoo Advertising offers omnichannel solutions and powerful data to engage with our brands and deliver results.

Yahoo is a global media and tech company that connects people to their passions. We reach hundreds of millions of people around the world, bringing them closer to what they love — from finance and sports, to shopping, gaming, and news — with the trusted products, content, and tech that fuel their day. For partners, we provide a full‑stack platform that helps businesses amplify growth and drive more meaningful connections across advertising, search, and media.

Yahoo Search is one of the most highly scaled applications on the planet. We hire world‑class engineers to support our ambitious product and platform goals. Our engineers work in a highly collaborative environment with a strong emphasis on technical excellence and innovation. This is a unique opportunity to reimagine the future of Search and reinvent how users find information and accomplish their goals.

To achieve this vision, we’re integrating new technology and expanding our infrastructure. This role demands strategic partnership, analytical thinking, exceptional planning and execution skills, ambitious innovation, obsession with quality and user needs, and a passion for solving complex problems. If you’re someone who enjoys being part of high‑performing teams, this role is for you!

As a Sr. Full‑Stack Software Engineer, you will play a critical role in delivering innovation and growth for the Search business by taking charge of the technical direction and execution of our full‑stack applications. You will be responsible for technical oversight of a team of engineers, performing code reviews to ensure code quality, performance, and security. Your technical expertise, leadership skills, and strategic vision will drive the success of our full‑stack projects and contribute to the company’s overall growth.

You are passionate about software development and building highly scalable distributed solutions that enable delightful user experiences and measurable business growth. You will work closely with the product and design teams to plan, experiment, and release features in collaboration with other engineering partners and business stakeholders. Suppose you are interested in joining a world‑class team of passionate people and industry veterans who care about code quality, architecture, design, and user experience as much as they do about having fun together.

In that case, we’d like to talk to you.

• Develop, design, and maintain simple, intuitive, and feature‑rich dynamic interfaces and components, ensuring optimized and responsive user experiences.
• Perform code reviews, contributing to a collaborative and high‑quality engineering culture.
• Design and develop scalable, maintainable, cloud‑ready backend services and APIs.
• Collaborate closely with user experience designers, product managers, and other engineers to deliver new features, enhancements, platform improvements, and bug fixes.
• Write testable, reliable code and participate in continuous deployment to production systems.
• Drive and enforce modern web application technologies, processes, and methodologies to improve speed, usability, performance, scalability, and maintainability.
• Promote and drive adoption of industry‑standard user interface best practices, including accessibility, internationalization, performance optimization, SEO, cross‑browser compatibility, and caching.
• Monitor, analyze, and improve the performance and responsiveness of web applications and infrastructure.
• Troubleshoot application‑level and system‑level issues in both frontend and backend services.

• BS in Computer Science, or equivalent degree/experience.
• 7+ years of hands‑on experience with web application development (frontend and backend).
• Expertise with modern JavaScript frameworks like React
  , Next.js
  , Vue, Svelte, etc.
• Experience with full‑stack JavaScript development (
  Node
  , Express,…