Tech lead- TikTok Search

About TikTokTikTok 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 UsInspiring 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 & InclusionTikTok 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.Job highlights Stock options, Career growth opportunity, Paid leave, Flat organization, 100+ mil users, Meals providedResponsibilities Our team is responsible for providing TikTok search users with first-class search experience by building a strong and robust infrastructure and platform to support product fast iteration and key feature development. In our team, you'll have the opportunity to take part in developing the key features on TikTok Search, understand how TikTok Search could be evolved to be a multi-billion-user product and first-handed experience how user request varies on this giant from time to time. We encourage a culture of self-driven, intellectual curiosity, openness and problem-solving.Detailed responsibilities include but not limited to:1. Product Development: Support fast iterations of TikTok Search business and further enable the product growth.2. Performance & Stability: Build a fast and robust Search product by keeping optimizing system performance and improving service stability.3. Search Engineering Infrastructure: Guarantee reasonable Search architecture governance to ensure that the overall system operates smoothly.4. Search offline processing: Construct a high freshness multi-media index and provide a reliable offline data support for Search Engine.5. Backend engineering team building, management and development.Qualifications Minimum Qualifications:- BS degree in Computer Science, Computer Engineering, or other relevant majors- Excellent problem-analysis and -solving skills, have industry experience in building backend services for large-scale consumer-facing applications.- Good at coding, data structure and basic algorithm- Good team communication and collaboration skills.Preferred Qualifications- Good understanding on how modern Search system is built or/and how modern Search product should be evolved.- Industry experience in building a consumer-facing Search product.- Experience in building a medium-size backend technical team from scratch.