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TikTok

Senior Software Development Engineer in Test

San Jose$218,400 – $480,000Posted Sep 22, 2026

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Why you should apply for a job to TikTok:

4.5/5 in overall job satisfaction
4.5/5 in supportive management
100% say women are treated fairly and equally to men
100% would recommend this company to other women
100% say the CEO supports gender diversity

Ratings are based on anonymous reviews by Fairygodboss members. See all reviews ›

Responsibilities

About the Team
The centralized Testing team for TikTok provides support for multiple service component value chains. In this role, team members have the opportunity to validate, automate, develop and manage the complex challenges of scale with your expertise in large-scale systems. The main responsibilities include maintaining automation test, handling user feedback, functional validation, building the App and release management.

As an SDET on our team, you will:
- Be responsible for the entire system testing process, including but not limited to: analysis, designing and executing test plans and cases, and conducting defect tracking;
- Work on project management, risk management, and process management tasks;
- Help implement test tools and collaborate with automation/performance test teams to build up internal tools/frameworks/platforms to make the team more productive.

Qualifications

Minimum Qualifications:
- BS/MS degree in a relevant field: Computer Engineering or EE
- Experience developing AI/LLM based solutions to enhance test effectiveness and efficiency
- Familiar with Java, Python, Objective-C, and Golang, with experience in related project development
- Proficient in test automation and test tool development for mobile, web, and APIs
- At least 5 years of experience with API testing
- Experience with SDK and mobile client testing, including automation testing, SDK integration validation across devices and OS versions.

Preferred Qualifications:
- Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologies
- Experience evaluating and testing AI Agent/LLM model behavior, and driving model-quality regressions
- Familiar with web architecture, understanding of Django/Flask and other frameworks
- Familiar with Redis, NSQ, Zero-MQ, Kafka, Docker, K8s, Hive, Spark
- Strong passion for mobile internet and building next-generation mobile applications, with proven ownership of end-to-end services
- Excellent problem-solving skills, ability to coordinate with global teams

Job Information

[For Pay Transparency] Compensation Description (annually)

The base salary range for this position in the selected city is $218400 - $480000 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.

Responsibilities

Qualifications

Qualifications

Minimum Qualifications:
- BS/MS degree in a relevant field: Computer Engineering or EE
- Experience developing AI/LLM based solutions to enhance test effectiveness and efficiency
- Familiar with Java, Python, Objective-C, and Golang, with experience in related project development
- Proficient in test automation and test tool development for mobile, web, and APIs
- At least 5 years of experience with API testing
- Experience with SDK and mobile client testing, including automation testing, SDK integration validation across devices and OS versions.

Preferred Qualifications:
- Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologies
- Experience evaluating and testing AI Agent/LLM model behavior, and driving model-quality regressions
- Familiar with web architecture, understanding of Django/Flask and other frameworks
- Familiar with Redis, NSQ, Zero-MQ, Kafka, Docker, K8s, Hive, Spark
- Strong passion for mobile internet and building next-generation mobile applications, with proven ownership of end-to-end services
- Excellent problem-solving skills, ability to coordinate with global teams

About TikTok

TikTok is the leading destination for short-form mobile video and our mission is to inspire creativity and bring joy.

Size: 10,000+ employees
Industry: Technology: Consumer Internet

View company profile