Application Security Engineer Intern, Security Assurance - 2025 Start

Responsibilities

About the Company
Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content.


Why Join Us
Creation is the core of ByteDance's purpose. Our products are built to help imaginations thrive. This is doubly true of the teams that make our innovations possible.
Together, we inspire creativity and enrich life - a mission we aim towards achieving every day.
To us, every challenge, no matter how ambiguous, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always.
At ByteDance, we create together and grow together. That's how we drive impact - for ourselves, our company, and the users we serve.
Join us.

About the Security Assurance Team at ByteDance
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 us for an internship in 2025. Internships at ByteDance aim to offer students industry exposure and hands-on experience. Watch your ambitions become reality as your inspiration brings infinite opportunities at ByteDance.

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 ByteDance and its affiliates' jobs globally.
Applications will be reviewed on a rolling basis - we encourage you to apply early.
Successful candidates must be able to commit to at least 3 months long internship period.

Responsibilities
- Continuously conduct penetration testing to identify security vulnerabilities in the staging/production environment.
- To identify risks and actively take ownership to resolve any potential project issues.
- Conduct technical security review for any new products and feature requirements.
- Provide safety engineering support to product teams to help identify potential security flaws in early stages of SDLC.
- Collaborate closely with other parts of the security team and product teams to design defense-in-depth controls that limit attackers' ability and improve our security postures.
- Monitor and analyze emerging cyber threats, vulnerabilities, and exploits relevant to our infrastructure and products.

Qualifications

Minimum Qualifications
- Undergraduate or Postgraduate currently pursuing a Degree/Master/PhD in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
- Good knowledge/interest in some of these various disciplines: web application security, mobile app security, network security, operating system internals and hardening, applied cryptography, cloud computing.
- Solid experience in writing and reviewing code in at least one of the following programming languages: JavaScript (Node JS), Go, Python, Java, C++, Rust.
- Good project management skills and focused teamwork
Preferred Qualifications
- CTF players, live competitions and hacking events experience.
- CVEs (excluding vulnerabilities such as XSS, CSRF in random CMS) are preferred.
- BugBounty experience with reputable statistics in HackerOne, BugCrowd etc.

ByteDance 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 ByteDance, our mission is to inspire creativity and enrich life. 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.

By submitting an application for this role, you accept and agree to our global applicant privacy policy, which may be accessed here: https://jobs.bytedance.com/en/legal/privacy.

If you have any questions, please reach out to us at apac-earlycareers@bytedance.com