Security Software Engineer Project Intern

TikTok

San Jose, CAFresher56m agovia LinkedInH-1B sponsor · 86 entry-level filings

About the Role

  • Participate in impactful short-term projects.
  • Gain practical skills through on-the-job learning in a fast-paced work environment.
  • Develop a deeper understanding of career interests.
  • Successful candidates must commit to at least 3 months long internship period.

Key Responsibilities

  • Participate in security assessments such as pentests on Web or mobile applications.
  • Take part in tooling development projects with a security focus, such as code review and API testing.
  • Tools developed will benefit LLM integration.
  • Assess the security of MCP servers and LLM features exposed to the public.

Requirements & Tech Stack

  • Security engineering experience such as threat modeling, security mitigation development, security tooling development, or privacy engineering.
  • Understanding in various disciplines: web application security, mobile app security, network security, operating system internals and hardening, applied cryptography, cloud computing. Expertise in at least one of these areas is expected.
  • Experience in writing and reviewing code in at least one of the following programming languages: JavaScript (Node JS), Go, Python, Java, C++, Rust.
  • Strong problem-solving skills.
  • Excellent debugging / troubleshooting skills.

Qualifications

  • Undergraduate or Postgraduate currently pursuing a degree/master in Computer Science, Computer Engineering, Information Systems, or other STEM disciplines.

Preferred Qualifications

  • Experience with NLP/LLM.
  • Knowledge of distributed systems, edge computing, or high-performance network programming.

H-1B sponsor

TikTok filed 86 entry-level H-1B applications for new hires (Oct 2025 - Jun 2026, Department of Labor).

See their H-1B record →

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