Backend Engineer Graduate (Account) - 2027 Start

We are the Tik Tok Account Team, responsible for the account system of all Tik Tok 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.

We are looking for talented individuals to join our team. As a graduate, you will get opportunities to pursue bold ideas, tackle complex challenges, and unlock limitless growth. Successful candidates must be able to commit to an onboarding date by the end of the year. Please state your availability and graduation date clearly in your resume. Candidates can apply to a maximum of two positions and will be considered for jobs in the order you apply. The application limit is applicable to our Company and its affiliates' jobs globally. Applications will be reviewed on a rolling basis - we encourage you to apply early.

Responsibilities:

• 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.

Requirements:

• Minimum Qualification(s)

• 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

• Preferred Qualification(s)

• 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