We’re hiring: Build global-scale technology for Yahoo!’s vast audience

If you are interested in any of the following positions, please send an email to ContactYDN (contactydn at yahoo-inc dot com), put the word Resume in the subject field, include the req number, and attach your resume.

We're looking to fill these positions:

Principal Software Engineer - Y! Open Strategy (YOS) The Yahoo! Query Language is an expressive SQL-like language that lets you query, filter, and join data across Web services. The YQL team is looking for a talented and enthusiastic backend engineer who will work on maintaining and extending the YQL platform. We're looking for someone who can solve day-to-day problems, work with other teams at Yahoo! to use YQL, as well as bring their own ideas for further evolution of the product. The ideal candidate has 7+ years of J2SE and J2EE hands-on development, and can design, develop, test and deploy multi-tier distributed applications using Java Tomcat. Working knowledge of Web Services, Design Patterns, XML, RSS, and other web data formats is important, as well as an extensive knowledge of core Java libraries, design patterns, JSP, and servlets.

Sr. Principal Web Engineer - YOS You will be responsible for designing and building easy-to-setup-and-deploy JavaScript solutions for accessing data and experience from Yahoo!'s key Social APIs and Login infrastructure, as well as other Yahoo! and 3rd-party data and services via Yahoo! Query Language (YQL). Proven expertise across a broad spectrum of web technologies: HTML, CSS, Ajax/JavaScript, XML, JSON & web services API. The ideal candidate will have 5+ years of large-scale web development experience, experience with LAMP and/or Java stack, and understand scalability, performance, and reliability aspects of server-side software development.

Software Dev Engineer - Developer Network (YOS) This job offers a variety of responsibilities, including: working on interesting and unreleased services, collaborating with different teams within company to make integrations happen, and continuously improving the developer offering. The ideal candidate has solid experience developing web applications; needs to understand web technologies (X/HTML, CSS, and web standards). A focus on backend development is a plus, with solid programming experience in PHP and JavaScript. Also useful: Java, C/C++, Perl, Python, and UNIX shell scripting.

Sr. Frontend Engineer, YOS You will contribute to architecture, design and implementation in various frontend projects that deliver rich and dynamic social experience to users across multiple Yahoo! web properties. As a senior member of the team, you are expected to provide technical leadership and mentoring for junior engineers. The ideal candidate has 5+ years of large-scale web development experience, with a knowledge of browser-side client technologies including AJAX, HTML, CSS, Javascript, cross-browser compatibility issues, optimization techniques, and internationalization issues. Familiarity with PHP and a JavaScript library — such as YUI — are required.

Frontend Web Engineer - YAP You will be part of the engineering team that focuses on the Yahoo! Application Platform (YAP), which enables developers to build web applications that are available throughout Yahoo! -- for an audience of hundreds of millions. The ideal candidate has 4+ years working directly with the full web technology stack: browsers, web server, application server, and databases, and extensive experience with client/server programming with AJAX. You will need a strong command of browser-side client technologies, JavaScript, CSS, XHtml, DOM, and JSON; familiarity with cross-browser issues and internationalization issues; and experience with application development using Java or PHP.