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Principal Software Engineer, Core Mail Backend - JR0024243_IL

at Yahoo! Inc. in Champaign, Illinois, United States

Job Description

Yahoo Mail is the ultimate consumer inbox with hundreds of millions of users. It's the best way to access your email and stay organized from a computer, phone or tablet. With its beautiful design and lightning fast speed, Yahoo Mail makes reading, organizing, and sending emails easier than ever.

About Core Mail

We build, enhance, and maintain one of the highest scaling email platforms on the planet. We are the first component in the mail back end, a middle tier, that contains the APIs and business logic through which virtually all mail operations flow. We implement REST APIs for our world-class mail clients (mobile, web, Yahoo, AOL, etc), standards-based protocols (IMAP, POP, etc) for generic mail clients, and industry leading back-end mail synchronization. We own the data platform in metadata, storage, and indexing. And we build even more supporting systems that are part of or support our array of serving and data components. We share about 20 components implemented in 4M lines of code.

We directly impact approximately 220 Million users every month, serving billions of requests a day across servers & cloud solutions across the world, and are critical to Yahoo's success. Our logged-in experience offers even greater value to the rest of Yahoo for serving highly customized experiences. We achieve high scale on each server using async technologies developed in house as well as from open source and cloud technologies. We take an industry leading number of connections, in the order of 100s of thousands on a single server or instance to achieve a very cost friendly footprint. We have a unique opportunity to do hard, challenging work, solving problems at a rare scale, innovating to meet our product & users future needs, & continually modernizing, while sustaining an essential service to users' daily lives.

This is a business critical & central platform to serve all Mail users at the center of Yahoo's core user base & revenue. Come join this amazing team of engineers to have a more direct impact on serving users and data at uniquely high scale, work on the next generation tech stack, and support innovative product experiences to grow users.

A Lot About You

We are looking for smart people, with strong CS fundamentals, that collaborate well, learn quickly, and value high quality code. The most successful engineers own and drive their tasks to completion, collaborate well to achieve their goal, can think through scenarios and edge cases, learn from our leadership, and understand the broader impact. If you are excited about the whole life-cycle of a product - designing, coding, testing, reviewing, launching, and troubleshooting, this is the place to be. You will learn and gain hands-on experience while engaged in projects with significant impact on the success of Yahoo.

Your Day

  • Design, implement, test, and debug our continually evolving tech stack to scale & sustain a large scale distributed system.
  • Design, implement, test, and debug features in mail supporting client features on a large scale distributed system; revise and refine as required.
  • Lead project teams, derive implementation roadmap and milestones within business constraints, and execute with predictability and transparency.
  • Personally implement significant works of complexity and size.
  • Partner with leads and architects to solve our more challenging problems.
  • Request and participate significantly in code reviews and part of our committer process.
  • Participate in agile development with weekly sprints, planning & estimating work, daily standup, & retrospectives.
  • Learn...

    Equal Opportunity Employer - minorities/females/veterans/individuals with disabilities/sexual orientation/gender identity

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Job Posting: 11883038

Posted On: May 11, 2024

Updated On: May 11, 2024

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