Backend Software Engineer, Supply Chain and Logistics - USDS

TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. U.S. Data Security (“USDS”) is a subsidiary of TikTok in the U.S. This new, security-first division was created to bring heightened focus and governance to our data protection policies and content assurance protocols to keep U.S. users safe. Our focus is on providing oversight and protection of the TikTok platform and U.S. user data, so millions of Americans can continue turning to TikTok to learn something new, earn a living, express themselves creatively, or be entertained. The teams within USDS that deliver on this commitment daily span across Trust & Safety, Security & Privacy, Engineering, User & Product Ops, Corporate Functions and more.

Why Join Us
Creation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible.
Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day.
To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always.
At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve.
Join us.

About the Team
We are the TikTok Shop engineering team, responsible for supporting the implementation of supply chain and logistics algorithm capabilities. We have developed many online services with millions of QPS, and also developed many computing links for video content understanding. We are also responsible for some AIGC and LLM projects. If you are interested in high concurrent online services and CV/LLM, you are welcome to join us.

Responsibilities:
- Responsible for TikTok Shop Logistics algorithm online services, data processing link infrastructure work;
- Provide high-performance, high-availability and flexible architecture design;
- Solve engineering problems in a complex ecosystem, ensure stability of services, and continuously improve R&D efficiency;

In order to enhance collaboration and cross-functional partnerships, among other things, at this time, our organization follows a hybrid work schedule that requires employees to work in the office 3 days a week, or as directed by their manager/department. We regularly review our hybrid work model, and the specific requirements may change at any time.Minimum Qualifications:
- Bachelor or higher degree in Computer Science or related technical discipline
- 2 to 5 years experience developing highly scalable backend services and systems using at least one of Java/Golang/Python.
- Familiar with mainstream KV (Redis/MongoDB), ElasticSearch and vector retrieval architecture, familiar with common basic components such as message queue and rule engine, familiar with Big data computing tools such as Hive\ Hdfs\ Hbase, with multi-threading and high-performance design, coding and performance Experience in tuning.

Preferred Qualifications:
- Understanding of machine learning principles, understand the workflow of algorithm engineers, and have experience in model engineering tuning is preferred;
- Excellent problem disassembly and analysis skills, cross-team communication and coordination skills are preferred.

Candidates for this position must be legally authorized to work in the United States. This position is not eligible for visa sponsorship or support.

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 committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at https://shorturl.at/ktJP6

This role requires the ability to work with and support systems designed to protect sensitive data and information. As such, this role will be subject to strict natntional security-related screening.