Yahoo Sports is one of the internet's leading destinations for comprehensive sports news and innovative fantasy games. We produce insightful content across multiple platforms and curate quality coverage from around the web to inform and entertain fans. We're an original fantasy sports pioneer, with a legacy of innovation that helps us continue to be a fantasy leader. As part of the Yahoo Fantasy Sports team, you will be joining a passionate development team that is dedicated to delivering high-quality features for both Season Long and Daily Fantasy products. Our environment is deadline-driven, yet we maintain a culture of fun and fandom, making it an exciting place to work. In this role, you will be an experienced, motivated engineer who is passionate about mobile app development and building high-quality products. You will thrive in a collaborative environment alongside smart, talented engineers and product designers who value team discussions and constructive feedback. Your curiosity and drive will help you tackle challenging work, and your contributions will be vital in shaping the future of our mobile applications. As the team's senior engineer, you will shape and guide application design, collaborating with other developers and designers to define, build, and deliver new features in our Sports mobile apps. You will spend a significant amount of time coding Android apps, utilizing Java and Kotlin, and engaging in new feature development, architecture, writing unit tests, refactoring, and fixing bugs and crashes. You will also share responsibilities such as app architecture/design reviews, code reviews, performance tuning, and build pipeline management. Your role will involve owning and delivering complex projects, mentoring junior developers, and contributing to the technical direction and best practices of the team.