Senior Security Engineer

Senior Security Engineer - Application / Product Security Senior Security Engineer - Application / Product Security 1 day ago Be among the first 25 applicants ResponsibilitiesThe 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 Tik Tok, Cap Cut, 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.QualificationsMinimum Qualifications- 5+ years of security engineering experience such as penetration testing, source code review, design review, threat modeling, security mitigation development, or security tooling development.- Solid experience in writing and reviewing code in at least two of the following programming languages: Kotlin, Swift, Type Script, Go, or Python.- Advanced knowledge and understanding in various disciplines: web application security, mobile app security, network security, operating system internals and hardening, applied cryptography, cloud computing.
You're expected to be an expert in at least one of these areas.- Strong problem-solving skills and excellent debugging / troubleshooting skills.Preferred Qualifications- Over 2 years of experience in managing an engineering team, demonstrating robust leadership skills and resilience under stress.About Tik TokTik Tok is the leading destination for short-form mobile video.
At Tik Tok, our mission is to inspire creativity and bring joy.
Tik Tok'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 UsInspiring creativity is at the core of Tik Tok'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 & InclusionTik Tok 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 Tik Tok, 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 CountryIn the spirit of reconciliation, Tik Tok 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.
Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Information Technology Industries Technology, Information and Internet Referrals increase your chances of interviewing at Tik Tok by 2x Get notified about new Senior Product Security Engineer jobs in Sydney, New South Wales, Australia .
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