Research Engineer Graduate Online Architecture- 2026 Start (PhD)

The TikTok General Architecture team sits at the intersection of business and infrastructure, responsible for designing and optimizing the planet-scale business architecture that supports billions of users worldwide. Our mission is to embrace AI, build the most advanced business architecture infrastructure, establish public trust and compliance, focus on resource management and cost optimization, user experience and reliability, engineering quality, and development efficiency. Here, you will not only experience how technology directly empowers top-level business, but also deepen your technical expertise in planet-scale architecture research and engineering practices—transforming cutting-edge theory into real-world production solutions. Join us in exploring and driving the evolution of the next-generation planet-scale business architecture!



We are looking for talented individuals to join our team in 2026. As a graduate, you will get opportunities to pursue bold ideas, tackle complex challenges, and unlock limitless growth. Launch your career where inspiration is infinite at TikTok.



Successful candidates must be able to commit to an onboarding date by end of year 2026. Please state your availability and graduation date clearly in your resume.



- Conduct research and optimization for TikTok’s ecosystem, serving billions of users worldwide, supported by globally distributed, ultra-large-scale data center clusters, and the industry’s largest microservice system (over one million distinct services).

- Perform data modeling and algorithmic optimization on complex business architecture systems, applying scientific methods to solve key challenges in ultra-large-scale infrastructure and business architecture, including but not limited to capacity forecasting and planning, service and data placement optimization, traffic scheduling optimization, and risk prediction and prevention.

- Deliver significant business and academic value through architecture optimization:

1. Achieve substantial cost savings at the world’s largest internet scale;

2. Enhance infrastructure planning and decision-making for global-scale businesses through AI and algorithm capabilities;

3. Enable highly automated and intelligent large-scale architecture governance;

4. Produce research outcomes in real-world frontier architecture scenarios suitable for publication at top-tier academic conferences/journals.

- Translate research outcomes into engineering solutions deployable in production, achieving a complete loop from theory to practice.

- Collaborate with architects, infrastructure, and business teams to drive global-scale deployment and adoption of optimization solutions.

- Continuously explore cutting-edge technologies and methodologies to shape the next 3–5 years of TikTok’s global business architecture evolution.