Mobile Software Engineer
TikTok
Mobile Software Engineer
TikTok
Short-form video platform with ads
About Video Creation Team: Our team's mission is to empower TikTok users to turn creativity into reality via videos. We build the core video creation product to support tens of millions of TikTok creators every day. All the viral props and effects you find on TikTok are developed by us, via close collaboration with TikTok AR effects and multimedia teams. Our goal is to build the world's best video creation software. On this team, you will be working with our XFN partners to define a world-class video creation experience, designing the architecture of TikTok video creation tools and pipelines, and shipping cutting-edge features to take TikTok to the next level. Responsibilities: 1. Design, develop, and ship video creation features across Android and iOS, using shared implementations and platform-native capabilities where appropriate. 2. Own features through technical design, implementation, testing, rollout, and iteration, collaborating closely with product, design, backend, and multimedia teams. 3. Build and evolve cross-platform architectures, shared components, and native integrations to improve development efficiency while maintaining a high-quality user experience. 4. Diagnose and resolve complex issues in large production codebases, improving application performance, stability, and maintainability. 5. Contribute to end-to-end solutions beyond mobile, with opportunities to develop supporting backend services, APIs based on project needs and your expertise. 6. Apply AI-assisted development tools with sound engineering judgment, and maintain quality through code reviews, automated testing, and production monitoring.
Minimum Qualifications 1. BS/MS degree in Computer Science or equivalent majors in related technical field, or equivalent practical experience. 2. Professional experience developing and shipping native mobile applications on Android or iOS, with proficiency in at least one of Kotlin, Java, Swift, or Objective-C. 3. Strong understanding of mobile application architecture, UI development, concurrency, networking, and performance optimization. 4. Solid computer science fundamentals, including data structures, algorithms, and software design, with the ability to understand and debug large, complex codebases. 5. Ability to independently deliver features and make practical technical trade-offs, with effective communication and cross-functional collaboration skills. 6. Willingness and ability to work across mobile platforms and learn technologies beyond your primary stack. Prior experience developing for both Android and iOS is not required. Preferred Qualifications 1. Three or more years of relevant software engineering experience, preferably building consumer-facing applications at scale. 2. Experience with cross-platform technologies such as Kotlin Multiplatform or Compose Multiplatform, or with designing shared modules and native platform integrations. 3. Experience with backend services, API design, or web development, and an interest in taking broader end-to-end ownership. 4. Experience with video editing, audio/video processing, graphics, creative tools, or AI-powered product features. 5. Practical experience using AI coding tools to improve development workflows while validating correctness, maintainability, and security.
About TikTok
TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.
Why Join Us
Inspiring creativity is at the core of TikTok's mission. Our innovative product is built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and bring joy - a mission we work towards every day.
We strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. Every challenge is an opportunity to learn and innovate as one team. We're resilient and embrace challenges as they come. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our company, and our users. When we create and grow together, the possibilities are limitless. Join us.
Diversity & Inclusion
TikTok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At TikTok, our mission is to inspire creativity and bring joy. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.
TikTok is a short-form mobile video platform that lets people create, discover, and share quick videos. Users upload vertical clips, edit them with built-in tools, and browse a personalized feed powered by an algorithm that highlights relevant content. Advertisers can use in-feed ads, branded hashtags, and the Business Center to plan and measure campaigns, making it easy for brands to reach a global audience. Its goal is to inspire creativity and bring joy by helping people express themselves and by connecting brands with a wide audience.
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