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

TikTok
San Jose
InternshipFunction: Software EngineeringEducation: bachelorsSkills: ["Problem-solving","Debugging","Troubleshooting"]

Work on Product Security initiatives building scalable, secure-by-design systems and tooling. As a project intern, you’ll help conduct security assessments (including web/mobile pentests), develop security-focused tooling such as code review and API testing, and assist with building evals/harnesses and optimizations for security review. You’ll also improve how LLMs are used in the SDLC process and strengthen infrastructure security.

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FursaFursa
TikTok
TikTok
1 month ago

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

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Source: Company careers pageValidated by: Fursa AI
Last checked: 4 hours agoStatus: Live

Job Summary

Work on Product Security initiatives building scalable, secure-by-design systems and tooling. As a project intern, you’ll help conduct security assessments (including web/mobile pentests), develop security-focused tooling such as code review and API testing, and assist with building evals/harnesses and optimizations for security review. You’ll also improve how LLMs are used in the SDLC process and strengthen infrastructure security.
Location: San Jose
Employment Type: Internship · 3 months
Job Function: Software Engineering
Seniority: Intern level

Key Responsibilities

  • •Participate in security assessments such as pentests on web or mobile applications.
  • •Work on security-focused tooling projects including code review and API testing.
  • •Assist in building evals, harnesses, and optimizations for existing AI tooling and systems for security review.
  • •Improve LLM usage in the SDLC process and enhance infrastructure security.

Key Requirements

  • •Undergraduate or postgraduate currently pursuing a Computer Science, Computer Engineering, Information Systems, or other STEM degree/master.
  • •Security engineering experience such as threat modeling, security mitigation development, security tooling development, or privacy engineering.
  • •Strong understanding of web application security, mobile app security, network security, OS internals/hardening, applied cryptography, and cloud computing.
  • •Experience writing and reviewing code in at least one language: JavaScript (Node JS), Go, Python, Java, C++, or Rust.
  • •Strong problem-solving skills with excellent debugging and troubleshooting abilities.
Experience:Product securitySecurity engineeringLLMNLP
Education:Bachelor's in Computer Science, Computer Engineering, Information Systems or other STEM disciplines
Skills:Problem-solvingDebuggingTroubleshooting
Tech Stack:JavaScriptNode JSGoPythonJavaC++RustLLMNLPAPI testingPentestingCloud computingThreat modeling

Company Brief

TikTok
Short-form video platform that lets users create, share, and discover entertainment content through algorithmic recommendations. It also offers advertising and creator tools for brands, influencers, and businesses.
Industry: Digital Media
Company Size: Enterprise (1,001+ employees)
Growth: Scaleup
Headquarters: Singapore, Singapore
Founded: 2016
WebsiteLinkedIn