Software Engineer intern (Global Traffic Architecture) - 2027 Summer Undergraduate/Master Inter[...]

ByteDance; San Jose (CA); Hybrid; USD 40,000 - 60,000; Full time

Job summary

ByteDance's Technology team in San Jose is seeking an intern to design and develop core traffic software, build data pipelines, and advance API acceleration on a multi-cloud platform.

You will work on performance tuning for real-time traffic, troubleshoot production issues, and explore AI-powered tooling to accelerate development and operations. This internship emphasizes practical systems work and exposure to modern networking stacks.

Qualifications

• Pursuing a Bachelor's degree in CS, CE, or related technical field.
• Proficient in Python, Go, Rust, C, or C++ with Linux experience.
• Solid understanding of TCP/IP, HTTP/HTTPS, DNS.
• Familiar with AI/LLM application development (prompting, retrieval-augmented generation, or AI tools).
• Experience in AI Agent development (LLM-powered agents, tool use, multi-agent systems).
• Experience developing proxy software such as Nginx or Envoy.
• Experience with HTTP/2, HTTP/3 (QUIC), and TLS 1.3.

Responsibilities

• Design and develop core traffic software (L4/L7 load balancers, caching) on our traffic platform to process terabyte-scale data in real time.
• Build data pipelines and telemetry systems that enable data-driven traffic control.
• Develop API acceleration and other networking services on top of our multi-cloud traffic platform.
• Troubleshoot production issues and drive performance tuning for online traffic.
• Research emerging technologies to make traffic processing more efficient and scalable.
• Build platform capabilities—control plane, self-service APIs, developer tooling, and supporting infrastructure—that power the Global Traffic Architecture.
• Develop AI-powered engineering productivity tools and agents to accelerate development, diagnosis, and operations across the traffic platform.

Skills

Python

Go

Rust

C

C++

Linux

Education

Bachelor's degree in CS/CE or related

Tools

Nginx

Envoy

Job description

Join us as we work together to inspire creativity and enrich life around the globe.

Location:

San Jose

Team:

Technology

Employment Type:

Intern

Job Code:

A34531A

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Responsibilities

• Design and develop core traffic software (L4/L7 load balancers, caching) on our traffic platform to process terabyte-scale data in real time.
• Build data pipelines and telemetry systems that enable data-driven traffic control.
• Develop API acceleration and other networking services on top of our multi-cloud traffic platform.
• Troubleshoot production issues and drive performance tuning for online traffic.
• Research emerging technologies to make traffic processing more efficient and scalable.
• Build platform capabilities—control plane, self-service APIs, developer tooling, and supporting infrastructure—that power the Global Traffic Architecture.
• Develop AI-powered engineering productivity tools and agents (LLM-based assistants, workflow automation, and operations copilots) to accelerate development, diagnosis, and operations across the traffic platform.

Qualifications

Minimum Qualifications:

• Currently pursuing a Bachelor's degree in Computer Science, Computer Engineering, or related technical discipline.
• Proficiency in developing systems in one or more of Python, Go, Rust, C, or C++, with strong hands-on experience in Linux environments.
• Solid understanding of core network protocols, including TCP/IP, HTTP/HTTPS, and DNS.
• Familiarity with AI/LLM application development, including areas such as prompt engineering, retrieval-augmented generation (RAG), or the design of AI-assisted developer tools.

Preferred Qualifications:

• Experience in AI Agent development, such as building LLM-powered agents, tool use, multi-agent systems, or agent frameworks.
• Experience developing proxy software such as Nginx or Envoy.
• Experience with modern network protocols such as HTTP/2, HTTP/3 (QUIC), and TLS 1.3.

Job Information

About Us

Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Lemon8, CapCut and Pico as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content.

Why Join ByteDance

Inspiring creativity is at the core of ByteDance's mission. Our innovative products are built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and enrich life - a mission we work towards every day.

As ByteDancers, we strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our Company, and our users. When we create and grow together, the possibilities are limitless. Join us.

Diversity & Inclusion

ByteDance is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At ByteDance, our mission is to inspire creativity and enrich life. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.

Reasonable Accommodation

ByteDance is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at https://tinyurl.com/RA-request