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Backend Software Dev Engineer II, Yahoo Mail

Yahoo

United States of America permanent

Posted: February 26, 2026

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Quick Summary

Backend Software Dev Engineer II, Yahoo Mail is a critical role that involves designing, developing, and testing software to improve user experience and overall productivity.

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.

A little About Yahoo
Yahoo makes the world's daily habits inspiring and entertaining. By creating highly personalized experiences for our users, we keep people connected to what matters most to them, across devices and around the world. Yahoo's businesses span across Search, Communications, Media and many other verticals.Yahoo Mail Backend Team develops and maintains high-performing systems that provide API (Web Services, IMAP, & POP), Metadata and Elastic Storage for the electronic mail and its auxiliary functions. The system handles billions of requests a day, and supports a variety of clients, mobile, desktop, & web. The team works on problems that cover a wide spectrum - from web services to operating system and networking layer.Yahoo Mail teams in Three Words: Your personal database

Responsibilities
You will be coding in Java and/or C++ on Unix platform to help build the next generation backend for Yahoo Mail.This role is in the Communications organization that connects the world through Mail, Messenger, Groups, Calendar, Contacts & Notepad. On this team, you have an amazing opportunity to impact the productivity and connected lives of approximately 300 Million users every month. This amazing team of Engineers, Product Managers and Designers work on next generation innovative experiences transforming how users connect with each other every day.

Sounds Exciting? Then, come join us!

Minimum Qualifications

• BS in Computer Science (or equivalent experience) with minimum of 4 years experience

• Specialized in backend development with Java, C++, or similar experience

• Solid understanding of CS fundamentals (algorithms, data structures, object oriented programming)

• Understanding of Search algorithms, and familiarity with Relational and NoSql databases

• You must enjoy challenging engineering problems. We are looking for someone who can solve complex issues

• Flexible and able to work with a diverse team that includes engineers, marketing, product, and designers

• Familiar with HTTP and TCP/IP protocol

• Linux/Unix knowledge necessary

• Excellent communication skills, both written and oral

Preferred Qualifications

• Familiar developing mail application

• Knowledge on large scale distributed systems

• Experience with continuous integration (CI) frameworks

• Familiar with SCRUM or similar agile methodology

• GCP Cloud experience is highly preferred

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.

At Yahoo, we offer flexible hybrid work options that our employees love! While most roles don’t require regular office attendance, you may occasionally be asked to attend in-person events or team sessions. You’ll always get notice to make arrangements. Your recruiter will let you know if a specific job requires regular attendance at a Yahoo office or facility. If you have any questions about how this applies to the role, just ask the recruiter!

Yahoo is proud to be an equal opportunity workplace. All qualified applicants will receive consideration for employment without regard to, and will not be discriminated against based on age, race, gender, color, religion, national origin, sexual orientation, gender identity, veteran status, disability or any other protected category. Yahoo will consider for employment qualified applicants with criminal histories in a manner consistent with applicable law. Yahoo is dedicated to providing an accessible environment for all candidates during the application process and for employees during their employment. If you need accessibility assistance and/or a reasonable accommodation due to a disability, please submit a request via the Accommodation Request Form (www.yahooinc.com/careers/contact-us.html) or call +1.866.772.3182. Requests and calls received for non-disability related issues, such as following up on an application, will not receive a response.

We believe that a diverse and inclusive workplace strengthens Yahoo and deepens our relationships. When you support everyone to be their best selves, they spark discovery, innovation and creativity. Among other efforts, our 11 employee resource groups (ERGs) enhance a culture of belonging with programs, events and fellowship that help educate, support and create a workplace where all feel welcome.

The compensation for this position ranges from $111,000.00 - $231,250.00/yr and will vary depending on factors such as your location, skills and experience.The compensation package may also include incentive compensation opportunities in the form of discretionary annual bonus or commissions. Our comprehensive benefits include healthcare, a great 401k, backup childcare, education stipends and much (much) more.

Currently work for Yahoo? Please apply on our internal career site.

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