Senior Android Software Engineer - User Growth

TikTok's User Growth team leads growth initiatives for TikTok and all its platforms (e.g. TV, Lite, Web, etc.) with a data-driven and results-focused engineering and product mindset. We are seeking talented individuals who enjoy the intersection of product, data, design, and engineering to help us reach the next milestone of billions of users. You'll have the opportunity to build best-in-class onboarding experiences for our users as well as define A/B testing frameworks to measure and improve user retention rate. We encounter a diversity of technical challenges, allowing you to get a firsthand look at what technologies the most innovative organizations are using and be able to build up a bottom-up growth strategy from scratch. You'll be joining a full-stack team that can leverage all of TikTok's existing frameworks and be a part of designing and implementing new techniques and foundation work that can further improve user experience and showcase TikTok's value proposition. As a Senior Android Software Engineer for the User Growth team, you will: • Design and implement onboarding features of our mobile application • Collaborate with product, design, and cross-functional engineering teams to deliver a world-class onboarding experience • Leverage data to deeply understand user behavior and product performance, and identify growth opportunities • Analyze and optimize the application for efficiency, stability, and performance • Champion robust, maintainable code, clear documentation, and high-quality delivery in a fast-paced environment • Share knowledge and best practices within the team, mentor junior engineers, and contribute to the company's long-term technological strategy Minimum Qualifications: • BS/MS degree in Computer Science or equivalent majors • Strong understanding of software development principles, capabilities, and limitations of Android platform. • Proficiency in Kotlin/Java • Ability to understand and debug large and complex code bases • Promote robust and maintainable code, clear documentation, and deliver high-quality work in a fast-paced environment Preferred Qualifications: • Experience building consumer-facing products • Experience with Android architecture refactoring, modularization, and optimization • Experience with Android performance optimization (e.g., cold start, rendering, memory, battery, smoothness) • Experience in training Android newcomers