Staff AI Engineer: Code Intelligence & Quality Validation

TikTok; San Jose (CA); On-site; USD 254,000 - 480,000; Full time

Job summary

TikTok is seeking a Staff AI Software Engineer in San Jose to advance Code Intelligence and Quality Validation. You will design and optimize Code Graphs, build static and dynamic validation, and analyze production issues using traces and runtime signals.

Collaborate across teams to improve reliability of large client applications and leverage AI-driven techniques. The role demands 5+ years of software development, strong system design, and proficiency in Java/Kotlin/Go/Python/C++.

Qualifications

• Bachelor's degree or above in CS/SE/AI or related field.
• 5+ years of professional software development experience.
• Strong system design and software architecture skills.
• Proficiency in at least one of Java, Kotlin, Go, Python, C++.
• Experience with large-scale or complex engineering projects.
• Strong data structures and algorithms knowledge.
• High learning agility and curiosity to learn new domains.

Responsibilities

• Design, develop, and optimize Code Graph capabilities, including static relationships and dynamic traces.
• Contribute to architecture and design of core systems with scalable module boundaries.
• Develop static validation capabilities based on the code graph and improve rule accuracy.
• Build dynamic validation for production issue detection, reproduction, and root cause localization.
• Analyze complex production quality issues using code, traces, and runtime signals.
• Understand code organization, module dependencies, and build pipelines in large apps.
• Explore code analysis techniques and AI-assisted approaches for real-world problems.
• Collaborate with client, backend, and infrastructure teams to drive solutions.

Skills

Java

Kotlin

Go

Python

C++

Education

Bachelor's degree or above in Computer Science, Software Engineering, AI, or related field

Job description

TikTok is seeking a Staff AI Software Engineer in San Jose to advance Code Intelligence and Quality Validation. You will design and optimize Code Graphs, build static and dynamic validation, and analyze production issues using traces and runtime signals.

Collaborate across teams to improve reliability of large client applications and leverage AI-driven techniques. The role demands 5+ years of software development, strong system design, and proficiency in Java/Kotlin/Go/Python/C++.