Security Software Engineer: AI & Platform Defense

Bytedance; San Jose (CA); On-site; USD 120,000 - 170,000; Full time

Job summary

ByteDance in San Jose is seeking a graduate joining the Security Engineering team to build and operate core systems protecting a global platform. You will tackle threat detection, AI/LLM security, and scalable security solutions in a fast-paced, distributed environment.

The team values ownership, problem solving, and rapid growth. Successful candidates should be able to commit to onboarding by year-end and contribute to cross-functional security initiatives across a massive online platform.

Qualifications

• Bachelor's/Master's in Computer Science, Computer Engineering, Cybersecurity or related discipline.
• Strong fundamentals in algorithms, data structures, OS, networks, and databases.
• Proficiency in at least one language such as Go, Java, Rust, Python, or C++, with clean, reliable code.
• Foundational understanding of backend development, distributed systems, or cloud-native infra.
• Strong problem-solving and fast-learning abilities.

Responsibilities

• Build and iterate on threat detection, prevention, and response systems for large-scale platforms and distributed endpoints.
• Support security of LLM-based and AI agent systems by identifying attack surfaces and improving defenses.
• Prototype, evaluate, and analyze security for LLM/AI agent architectures and related tech.
• Develop, test, deploy, and improve distributed security systems focusing on reliability and observability.
• Collaborate with cross-functional teams to translate product and security needs into engineering solutions.

Skills

Go

Java

Rust

Python

C++

Education

Bachelor's/Master's in Computer Science or related field

Job description

ByteDance in San Jose is seeking a graduate joining the Security Engineering team to build and operate core systems protecting a global platform. You will tackle threat detection, AI/LLM security, and scalable security solutions in a fast-paced, distributed environment.

The team values ownership, problem solving, and rapid growth. Successful candidates should be able to commit to onboarding by year-end and contribute to cross-functional security initiatives across a massive online platform.