Sr Software Engineer (Back End)

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?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?

A Little About Yahoo
Yahoo combines the strength of AOL and Yahoo to be a global leader in digital and mobile.

Our mission:
Build brands consumers love

Build platforms customers love

Build a company talent loves

Responsibilities

A Little About The Role
The APO Engineering group is passionate about building next generation demand side advertising platform solutions. This includes an O&O Sales UI solution and APIs to allow for programmatic DSP integrations. It also includes planning and configuration tools to manage the O&O advertising space. Our team designs and supports many of the systems, tools, and processes that allow for the execution of online advertising campaigns to meet the needs of our clients. The role will require working on processes, simplifying systems, and reducing complexity of user interfaces across our platform in order to deliver outstanding customer experiences. What You’ll Be Doing
As a senior software engineer you will be working with product managers and other software engineers in agile teams to build our next-generation APIs by implementing business-critical features and setting standards that will help define the future products. You will help us solve interesting challenges such as:
Design, build and maintain scalable and robust APIs Performance optimizations on the backend with highly challenging SLAs Ensure system responsiveness, robustness and high availability on our AWS Tech Stack Directly impact our generated revenue by implementing critical business features Improve our CI/CD pipeline to ensure constant production delivery of high-quality features Improve our automated tests suite in terms of speed and accuracy

Requirements

What You Must Have
5+ years Experience with Java and related technologies, eg. Spring, Junit, JAX-RS/Jersey etc. Deep understanding of Java/J2EE and other supporting back-end technologies Experience with unit and integration testing and writing clean code Understanding of REST APIs, OOP, and related standard methodologies Knowledge of architecture and design patterns and anti-patterns Proficient knowledge of SQL and relational database techniques Delivered results in a fast-paced environment that requires ability to balance multiple tasks simultaneously without compromising quality Strong interpersonal skills and the ability to work independently as well as on a team Bonus Skills/Experience
Solid understanding of OAuth 2.0, AWS (S3, EKS, CloudWatch, Lambda, EC2), MyBatis, Gradle Understanding of microservice architecture and other related technologies such as Spring Boot Collaborating within a team utilizing a source code repository such as Git

What we offer

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.