Senior Software Development Engineer in Test

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).