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TikTok · 3 weeks ago

Senior Security Engineer - Application/Product Security

Seattle, WA

Full-time

Onsite

Senior Level

$178K/yr - $342K/yr

5+ years exp

TikTok is the leading destination for short-form mobile video, committed to inspiring creativity and bringing joy. The Senior Security Engineer will be responsible for ensuring that applications are designed with the highest security standards, analyzing systems from a security perspective, and supporting incident response efforts in a cross-functional environment.

Content CreatorsContent DiscoveryMedia and EntertainmentSocial MediaVideo

H1B Sponsor Likely

Responsibilities

Ensure that our applications are designed and implemented to the highest security and privacy standards thus maintaining and enhancing user trust

Review and analyze design, architectures, existing systems services, operating systems, networks and applications from a security perspective, via black box testing, code reviews, automation, threat modeling and research

Discover security issues that appear under new threat scenarios, support incident response, forensics, remediation in a cross-functional environment driving towards incident resolution

Qualification

Security engineering experienceWeb application securityMobile app securityThreat modelingProgramming languagesApplied cryptographyCloud computingDebugging skillsProblem-solving skills

Required

Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or other relevant majors

5 years of security engineering experience such as design review, threat modeling, security mitigation development, security tooling development or privacy engineering

Advanced knowledge and 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

Solid 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

Benefits

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)