TikTok · 20 hours ago
Security Software Engineer Project Intern (Product Security) - 2026 Start (BS/MS)
San Jose, CA
Internship
Onsite
Intern
$45/hr - $60/hr
Start in 2026TikTok is the leading destination for short-form mobile video, and they are seeking a Security Software Engineer Project Intern to support their mission in building secure infrastructures and technologies. The role involves participating in security assessments, tooling development projects, and enhancing the security of existing AI systems.
Content CreatorsContent DiscoveryMedia and EntertainmentSocial MediaVideo
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
Assist in building Evals, harnesses and optimisations on existing AI tooling & systems for Security Review
Improve the usage of LLM in the SDLC process and enhance the infrastructure security
Qualification
Required
Undergraduate, or Postgraduate who is currently pursuing a degree/master in Computer Science, Computer Engineering, Information Systems or other STEM disciplines
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. You're expected to be an expert in at least one of these areas
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 and excellent debugging / troubleshooting skills
Preferred
Experience with NLP/LLM
Knowledge of distributed systems, edge computing, or high-performance network programming
Benefits
Interns have day one access to health insurance
Life insurance
Wellbeing benefits
10 paid holidays per year
Paid sick time (56 hours if hired in first half of year, 40 if hired in second half of year)
Housing allowance
Company
TikTok
TikTok is a short-form video entertainment app and social network platform. It is a sub-organization of ByteDance.
Founded in 2003
10001+ employees
H1B Sponsorship
TikTok has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (979)
2024 (601)
2023 (387)
2022 (322)
2021 (133)
2020 (72)
Funding
Current Stage
Late StageLeadership Team
N Ali Mohamed
CEO
Blake Chandlee
VP Global Business Solutions
Recent News
2026-01-25
2026-01-25
2026-01-25
Company data provided by crunchbase