Senior Software Engineer - Yahoo Mail

It takes powerful technology to connect our brands and partners with an audience of nearly 900 million. Whether you’re looking to write mobile app code, engineer the servers behind our massive ad tech stacks, or develop algorithms to help us process trillions of data points a day, what you do here will have a huge impact on our business—and the world. Want in?

About Yahoo

Yahoo is focused on making 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 is committed to building brands that people love, including Yahoo Finance, Yahoo Sports, Yahoo Mail, Yahoo News, AOL & Techcrunch just to name a few. Our businesses span across Communications, Media, Search and many other verticals. We reach over one billion people around the world with a dynamic house of 50+ media & technology brands and are a global leader in digital and mobile, shaping the future of media. We create value for advertisers by connecting them with the audiences that build their businesses.

A Little About Us

The Yahoo Mail Antispam Team develops and maintains high-performing systems that reliably protect our users from spam, phish, fraud and abuse with advanced ML/AI algorithms. These systems require extreme reliability, resilience and performance. We are tackling some of the toughest challenges in architecture design, algorithm development and data engineering. There are innumerable opportunities to innovate in all these areas.

Yahoo Mail is the ultimate consumer inbox. It is 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. Come join this amazing team of Engineers, Product Managers and Designers to work on next generation innovative experiences transforming how users connect with each other every day.

You Must Have

1. BS/MS in Computer Science or related field with strong understanding of the fundamentals including Data Structures, Algorithms, OS and Networking
2. 5+ years experience in software development with Java and/or C++
3. 2+ years experience in owning, designing components of large scale system
4. Lead, Mentor junior engineers in the team
5. Demonstrated problem solving skills and taking initiatives
6. Great communication skills, joy in helping people, ability to remain friendly and constructive under stress

Love To Have

1. Experience with Big Data technologies like Hadoop, HBase and Spark
2. Experience in algorithm design and ML/AI
3. Proficiency in statistical methods and exploratory data analysis
4. Previous exposure to anti-spam or anti-abuse engineering
5. Familiarity with data mining, text processing and classification algorithms

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 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 ( or call 408-336-1409. Requests and calls received for non-disability related issues, such as following up on an application, will not receive a response.

At Yahoo, we know that diversity makes us stronger. We are committed to a collaborative, inclusive environment that encourages authenticity and fosters a sense of belonging. We strive for everyone to feel valued, connected, and empowered to reach their potential and contribute their best. Check out our diversity and inclusion ( page to learn more.

The compensation for this position ranges from $128,250.00 - $266,875.00/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, in addition to equity incentives. Yahoo provides industry-leading benefits including healthcare, 401K savings plan, company holidays, vacation, sick time, parental leave and an employee assistance program. Eligibility requirements apply.

Yahoo has a high degree of flexibility around employee location and hybrid working. In fact, our flexible-hybrid approach to work is one of the things our employees rave about. Most roles don’t require specific regular patterns of in-person office attendance. If you join Yahoo, you may be asked to attend (or travel to attend) on-site work sessions, team-building, or other in-person events. When these occur, you’ll be given notice to make arrangements.

If you’re curious about how this factors into this role, please discuss with the recruiter.

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