Backend Engineer

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. Job highlights Positive team atmosphere, Flat organization, Industry experts Responsibilities About the team Our Search Architecture Team is responsible for building up and optimizing the architecture for our Search Engine to provide the most stable and best experience for our TikTok Shop Search users. This person will be responsible for the design and development of the global e-commerce search system architecture, ensuring system stability and high availability; responsible for online services, offline data flow performance optimization, solving performance bottlenecks, reducing costs and unlocking. Responsibilities -Responsible for the global e-commerce search system of TikTok and its affiliated products, and solve the architecture optimization problem of the search architecture system; -Support the design and development of the global e-commerce search system , and the output core search capabilities of bytes and high-quality content to partners; -Focus on Architecture abstraction and process optimization for search scenarios, support large-scale machine learning optimization; -Focus on large-scale systems with high concurrency and high throughput, improve system stability, performance, and scalability; -Research and development and optimization of core components, application and implementation of new technologies; -Research, design, and develop computer and network software or specialised utility programs; -Analyse user needs and develop software solutions, applying principles and techniques of computer science, engineering, and mathematical analysis; -Update software, enhances existing software capabilities, and develops and direct software testing and validation procedures; -Work with computer hardware engineers to integrate hardware and software systems and develop specifications and performance requirements. Qualifications Minimum Qualifications -Bachelor's degree or above, majoring in Computer Science, or related fields, with 3+ years of experience building scalable systems; -Experience in programming, included but not limited to, the following programming languages: C, C++, Java or Golang; -Solid programming ability, excellent design and code style, enthusiastic about technical challenges; -Effective communication skills and a sense of ownership and drive; -Experienced in at least one area of the following areas: personalized recommendations, search engine, machine learning, distributed storage system, big data frameworks is a plus.