The team's mission is to build infrastructure, platforms and technologies, as well as to support cross-functional teams to protect our users, products and infrastructure. In this team you'll have a unique opportunity to have first-hand exposure to the strategy of the company in key security initiatives, especially in building scalable and secure-by-design systems and solutions. Our challenges are not your regular day-to-day technical problems; you'll be part of a team that's developing new solutions to new challenges of a kind not previously addressed by big tech. It's working fast, at scale, and we're making a difference.

Job Responsibilities
- Perform penetrations tests and security assessments to identify vulnerabilities and business-logic failures in core product ecosystems such as TikTok, CapCut, Lark Suite, and Lemon8.
- Design and develop security tooling to identify vulnerabilities and optimise the product security review process.
- Perform architecture and design reviews to ensure that our applications are implemented to the highest security and privacy standards, thus maintaining and enhancing user trust.
- Work closely with software engineering teams to provide security guidance and co-design complex production systems.
- Assess vulnerability impact by creating exploits for n-day vulnerabilities and performing variant analysis across our codebases.