Software Engineer

It takes powerful technology to connect our brands and partners with an audience of hundreds of millions of people. 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.

A Little About Us

The Ads Trust team is powering one of the biggest online advertising platforms on the Internet. It protects Yahoo’s DSP from risks like malware injection, low quality ads, redirect to fraudulent / counterfeit sites and more.

A Lot About You

We're looking for world-class, passionate, collaborative, multi-talented engineers who love to get things done. Our ad-serving infrastructure serves ad impressions in the multi-billions on a daily basis. Developing for this infrastructure presents many technical challenges in the areas of efficient query processing, high throughput systems, large-scale data processing, applying various targeting dimensions as well as satisfying complex business rules.

You love working in the domain of data processing, backend processing systems and APIs. You'll have the potential to understand, capture and block hackers utilizing the advertising system trying to reach millions of people. You are passionate about the development of high quality code and love to own all of its life cycle whether it is code reviews or complexity or high quality tests. You love to ensure the smooth running of the systems you build. You love working across multiple technological stacks, languages and love learning new things. You are highly capable of building fault-tolerant, high-performance, scalable, next generation services to support the rapid release of features. You are ruthless in your prioritization of what needs to be done now and a little later.

Job Responsibilities

• Design and build fault-tolerant, high-performance, scalable, next generation services for data & ad platforms
• Influence architecture, design, and implementation across cross-functional teams
• Understand customer feedback on regular basis and fix issues reported by customers
• Interface with senior team members for design & implementation of software development process and methodology
• Maintain coding and documentation standards, participate in code reviews, and be a critical member of the Yahoo Advertising Engineering team
• You may be required to work on-call to support systems and equipment outside of normal working hours on an assignment basis

You Must Have

• M.S. Computer Science or Engineering or B.S. of related fields
• 4+ years of experience in Java / J2ee including object oriented design and design patterns, software architecture, multi-threading and debugging skills
• A solid computer science foundation (including programming languages, operating systems, software engineering, and databases)
• Experience building distributed, real time systems with Java
• Experience with unit and integration testing
• Solid experience with AWS
• Good knowledge of SQL or NOSQL databases techniques
• Experience with RESTful web services especially with Java technologies (Jetty, Tomcat, or JBoss)
• Must have strong verbal and written communication skills

Nice To Have

• Front-end: HTML5, CSS3, JavaScript, JS Frameworks
• Server side JavaScript technologies like node.js
• Data mining, machine learning, AI, statistics, information retrieval, linguistic analysis
• Software Engineering processes, tools, methods, test development and/or support
• Building SOAP or REST web services
• NoSQL databases (Redis, Aerospike or MongoDB)
• Big data technologies like Spark
• Experience with TDD, BDD is a plus
• Scrum, Agile or Kanban software development methodology.

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.

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.