Security Engineer (AI for Security) - 2025 Start

at  ByteDance

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, Helo, and Resso, 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 Team
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 in 2025. As a graduate, you will get unparalleled opportunities for you to kickstart your career, pursue bold ideas and explore limitless growth opportunities. Co-create a future driven by your inspiration with 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.

Job Resposibilities

• Design and innovate LLM applications to enhance ability for the security assurance department.
• Build services with high availability and stability with well-designed algorithms.
• Evaluate data indicators of security products and continuously optimize them.
• Research on cutting edge areas in AI and explore possible landing scenarios.

Minimum Qualifications

• Final year or recent graduates with a background in computer science, artificial intelligence, information security and related fields.
• Deeply understand the pros and cons of LLM and features of different models.
• Proficient in at least one programming language.
• Strong system design ability and good understanding of business needs.
• Strong logical thinking ability, good at discovering and solving problems, self-driven.

Preferred Qualifications

• Understand LLM stacks such as prompt engineering, RAG, fine-tuning, etc and have LLM applications’ landing experience.
• Have papers on AI or security related top conferences.
• Bug bounty top ranks or CTF experience.

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.co

Please refer the Job description for details