Project Intern – Security Data Products

Job Description

Software Engineer Project Intern (Security-Data) – 2026 Start (BS/MS) | ByteDance

The Tone:
This is an internship at ByteDance, located in an unspecified US location with potential for in-person work. ByteDance, founded in 2012, is a global technology company that builds a suite of popular products, including TikTok, Lemon8, CapCut, Toutiao, Douyin, and Xigua, which facilitate creativity and connection by making content creation and consumption easier and more enjoyable. This role within the security engineering team is crucial for developing robust security services, platforms, and technologies that protect the company’s users, products, and infrastructure. The intern will gain hands-on experience and insight into key company-wide security initiatives, focusing on building scalable and secure-by-design systems and solutions.

The TL;DR
• Role: Internship
• Type: Temporary
• Location: Unspecified US location
• Pay: $45–$60 hourly
• Team: Security engineering team
• Mission: This intern will contribute to building and enhancing security data products for infrastructure and business needs, protecting users, products, and infrastructure.
• Tech Stack: Go, Java, Python, C++

What You’ll Actually Do
• Develop and improve infrastructure components for security data products.
• Contribute to the migration of data access layers.
• Enhance developer productivity through AI-driven solutions within security initiatives.
• Implement and improve core capabilities for SecData products, such as asset data management.
• Support the development of security governance modules.

The Must-Haves
• Background: This role requires a student currently pursuing a Bachelor’s or Master’s degree in Computer Science, Computer Engineering, Information Systems, or other relevant STEM disciplines, with a start date in 2026.
• Experience: Candidates must demonstrate proficiency in at least one backend programming language, such as Go, Java, Python, or C++. Required experience includes writing comprehensive automated tests, performing effective code reviews, and diligently debugging issues to uphold high standards of code quality and reliability.
• Skills: Backend programming (Go, Java, Python, C++), automated testing, code review, debugging.
• Bonus: Preferred qualifications include practical experience in building and optimizing high-throughput, high-availability systems, coupled with a strong understanding of performance tuning and scalability trade-offs. Additionally, knowledge of backend security principles and best practices, such as authentication, authorization, least-privilege access, and secure service-to-service communication, is highly valued.