Responsibilities
Team Introduction The team is missioned to build infrastructures, platforms and technologies, as well as to support cross-functional teams to protect our users, products and infrastructures. 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. 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 - Ensure that our applications are designed and implemented to the highest security and privacy standards thus maintaining and enhancing user trust. - Review and analyze design, architectures, existing systems services, operating systems, networks and applications from a security perspective, via black box testing, code reviews, automation, threat modeling and research. - Discover security issues that appear under new threat scenarios, support incident response, forensics, remediation in a cross-functional environment driving towards incident resolution.
Qualifications
Minimum Qualifications - Individuals who are completing or have recently completed a Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering or a related discipline. - Hands-on experience or demonstrated interest in security engineering through internships, academic projects, security research, CTFs, bug bounty, open-source contributions, or relevant personal projects. - Strong fundamentals in application security, software engineering, or related security domains. Familiarity with areas such as web application security, mobile security, network security, operating systems, applied cryptography, or cloud security. Candidates are expected to demonstrate depth or strong interest in at least one of these areas. - Proficiency in writing and understanding code in at least one of the following programming languages: JavaScript (Node JS), Go, Python, Java, C++, Rust. - Strong problem-solving skills and excellent debugging / troubleshooting skills. Preferred Qualifications - Candidates with hands-on experience building AI-powered applications, or experimenting with AI/LLM-driven approaches for vulnerability detection, security analysis, or security review automation, are strongly preferred. - CTF players, live competitions and hacking events experience. - Experience identifying or responsibly disclosing security vulnerabilities, including CVEs, is a plus. - BugBounty experience with reputable statistics in HackerOne, BugCrowd etc.
Job Information
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.
Acknowledgment of Country
In the spirit of reconciliation, TikTok acknowledges the Traditional Custodians of country throughout Australia and their connections to land, sea and community. We pay our respect to elders past and present and extend that respect to all Aboriginal and Torres Strait Islander peoples today.
@2026 TikTok