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OnsiteIntern/Traineecybersecurity

Security Software Project Intern (Cloud Security) - 2026 Start (BS/MS)

ByteDanceSingaporePosted 17 May 2026

ByteDance is seeking a security software engineering intern to join their cloud security team in Singapore. The role involves designing penetration tests, researching LLM applications for code vulnerability identification, and developing defense-in-depth controls. Interns will work on impactful, short-term security projects in a fast-paced environment. Applicants must be currently enrolled in a STEM degree program and possess solid programming skills.

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Experience

0-0 years

Function

Engineering

Work mode

Onsite, Singapore

Company

Tier 1

What you will work on

ByteDance is seeking a security software engineering intern to join their cloud security team in Singapore. The role involves designing penetration tests, researching LLM applications for code vulnerability identification, and developing defense-in-depth controls. Interns will work on impactful, short-term security projects in a fast-paced environment. Applicants must be currently enrolled in a STEM degree program and possess solid programming skills.

Must haves

  • Currently pursuing a degree or master in STEM disciplines
  • Solid experience in at least one language: JavaScript, Go, Python, Java, C++, Rust
  • Strong knowledge in web, cloud, or AI security
  • Commitment to at least 3 months long internship

Tools and skills

javascriptnode.jsgopythonjavac++rust

Nice to have: ctf experience, bug bounty experience.

About the company

ByteDance is a major global technology company and the parent organization of TikTok.