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TikTok · 2 weeks ago

Product Security Engineer Graduate (Security Assurance) - 2026 Start (BS/MS)

Seattle, WA

Full-time

Onsite

New Grad

$113K/yr - $178K/yr

TikTok is the leading destination for short-form mobile video, and they are seeking a Graduate Application Security Engineer to join their team. The role involves embedding security into the product lifecycle, working alongside engineering teams to secure applications from design to deployment.

Content CreatorsContent DiscoveryMedia and EntertainmentSocial MediaVideo

H1B Sponsor Likely

Responsibilities

Assisting in the design and execution of security assessments, including code reviews, penetration testing, and threat modeling for web and mobile applications

Design and develop security tooling to identify vulnerabilities and optimise the product security review process

Perform architecture and design reviews to ensure that our applications are implemented to the highest security and privacy standards, thus maintaining and enhancing user trust

Work closely with software engineering teams to provide security guidance and co-design complex production systems

Research and discover security issues in globally used technologies, support incident response for high profile and critical cases, and push fixes across the entire company

Qualification

Web application securityMobile app securityPenetration testingProgramming languagesApplied cryptographySecurity tooling developmentDebugging skillsInterest in cybersecurityProblem-solving skillsSelf-driven

Required

Final year or recent graduate with a background in Computer Science, Cybersecurity, Software Engineering, or a related technical discipline

Experience in writing and reviewing code in at least two of the following programming languages: Kotlin, Swift, TypeScript, Go, Python, Rust

Solid knowledge and understanding in various disciplines: web application security, mobile app security, network security, applied cryptography. You're expected to be familiar with at least one of these areas

Familiarity with common security risks, including their principles, attack and defense strategies, and systematic governance and mitigation approaches

Self-driven and capable of coping with ambiguity and applying theoretical concepts in practice

Demonstrate interest in cybersecurity

Strong problem-solving skills and excellent debugging / troubleshooting skills

Preferred

CTF players, or Live Hacking Event experience

BugBounty experience with reputable statistics in HackerOne, BugCrowd, Intigriti, Immunifi etc

Published security research, CVEs, Open source tooling, public presentations / talks

Pwn2Own Master of Pwn points

Benefits

Employees have day one access to medical, dental, and vision insurance

A 401(k) savings plan with company match

Paid parental leave

Short-term and long-term disability coverage

Life insurance

Wellbeing benefits

10 paid holidays per year

10 paid sick days per year

17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure)

Company

TikTok

Glassdoor3.4

TikTok is a short-form video entertainment app and social network platform. It is a sub-organization of ByteDance.

Founded in 2003

Los Angeles, California, USA

10001+ employees

https://www.tiktok.com

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)