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Security Engineer - Windows

Job in San Jose, Santa Clara County, California, 95112, USA
Listing for: TikTok
Full Time position
Listed on 2026-06-27
Job specializations:
  • IT/Tech
    Cybersecurity, Data Security, AI Engineer (Applied/Software)
Salary/Wage Range or Industry Benchmark: 244800 - 450000 USD Yearly USD 244800.00 450000.00 YEAR
Job Description & How to Apply Below
Position: Staff Security Engineer - Windows

Staff Security Engineer
- Windows

Location:

San Jose

Employment Type:

Regular

Job Code: A62465

Responsibilities

Anti-Automation Solutions (AA) is part of Business Risk Integrated Control (BRIC) team. Automated fraud refers to technical methods used by hackers to perform API abuse at scale using scripts and tools. Our vision is to establish an industry-leading team with a focus on end-to-end defense-in-depth systems with privacy and business needs in mind. We are responsible for continuously iterating over identifying and combating automated fraud through client environment inspection, risky signals collection, trusted computing, traffic validation, data mining and producing a wide variety of tools and subject matter services for business lines.

- Responsible for the development, iteration, maintenance and technical support of risk control client side security components

- Research and develop cutting edge techniques to detect and prevent app cracking

- Competitive product analysis and product technology breakthrough

- Work together with other stakeholders to research malicious tools, identify newest attacks and build anti-automation measures.

Qualifications

Minimum Qualifications
- Strong passion for Information Security, especially binary security and reverse engineering
- Deep understanding of Windows & macOS OS internals and proficient in C/C++, Objective-C, Java. Familiar with ARM/x86 assembly languages. With solid programming skills and good coding habits
- Familiar with reverse engineering countermeasures and binary protection, experienced with code obfuscation, VMP, anti-debugging, anti-injection, malware analysis, etc.

Preferred Qualifications
- Bachelor or above degree in Computer Science or relevant disciplines with 5 years of working experience
- Experience with Android or iOS security is a plus

Job Information

For Pay Transparency Compensation Description (Annually) The base salary range for this position in the selected city is $244800 - $450000 annually. Compensation may vary outside of this range depending on a number of factors, including a candidate's qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units.

Benefits may vary depending on the nature of employment and the country work location. 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, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

For Los Angeles County (unincorporated) Candidates:
Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:
1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;
2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and 3. Exercising sound judgment.

About Tik Tok

Tik Tok is the leading destination for short-form mobile video. At Tik Tok, our mission is to inspire creativity and bring joy. Tik Tok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us

Inspiring creativity is at the core of Tik Tok's mission. Our…

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