Backend Engineer Graduate (Account) - 2027 Start

• Design account security architecture, plan the core system design for identity authentication, session management, and account protection;
• Counter complex security threats, identify and defend against risks such as credential stuffing, phishing, simulated login, brute force cracking, etc., and build a multi-layered protection system including multi-factor authentication, device fingerprinting, risk control engine, etc.;
• Promote cross-team implementation, closely collaborate with product, R&D, data, and risk control teams, and integrate security design into business scenarios;
• Embrace the industry's cutting-edge trends, explore and implement technical standards such as FIDO2, Passkey, OAuth2.1, OpenID Connect, and Zero Trust Architecture, and promote internationalization and security compliance.

• Individuals who are completing or have recently completed a Bachelor's degree in computer science or a related discipline.
• Experienced in building backend services
• Proficient in at least one of the following languages: Go, Java, C++, Python
• Deep understanding of computer architectures, data structures, and algorithms
• Strong communication and teamwork skills

• Demonstrated software engineering experience from previous internship, work experience, coding competitions, or publications
• Curiosity towards new technologies and entrepreneurship
• High levels of creativity and quick problem-solving capabilities

We are the TikTok Account Team, responsible for the account system of all TikTok brand products. We are currently seeking an Account Security Technical Architect to join our team. Here, there are global business scenarios, challenges posed by hundreds of millions of users, and cutting-edge identity authentication technologies.