Software Engineer - Intern

Software Engineer Intern (Global Traffic Architecture) - 2027 SummerLocation: San JoseTeam: TechnologyEmployment Type: InternJob Code: A34531AResponsibilitiesThe Global Traffic Architecture (GTA) team at ByteDance designs, builds, and operates large-scale, multi-cloud network services that accelerate and optimize traffic for TikTok and a broad portfolio of ByteDance internal applications. Joining GTA means partnering with a world-class team to build TikTok-scale network infrastructure that serves billions of users worldwide. To further support ByteDance's continued global growth, the GTA team is looking for interns to contribute to our multi-cloud, cloud-native traffic architecture. We are looking for talented individuals to join us for an internship. Our internship program offers students hands-on experience, industry exposure, and opportunities to apply their knowledge to real-world challenges while building a strong foundation for personal and professional growth. Interns will gain practical experience, explore potential career paths, and participate in social events, learning programs, and development workshops alongside industry professionals.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.QualificationsMinimum 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, 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 (QUIC), and TLS 1.3.Job InformationFor Pay TransparencyCompensation Description (Hourly) - Campus InternThe hourly rate range for this position in the selected city is $45- $45.Benefits may vary depending on the nature of employment and the country work location. Interns have day one access to health insurance, life insurance, wellbeing benefits and more. Interns also receive 10 paid holidays per year and paid sick time (56 hours if hired in first half of year, 40 if hired in second half of year). Interns who are not working 100% remote may also be eligible for housing allowance.The Company reserves the right to modify or change these benefits programs at any time, with or without notice.For Los Angeles County (unincorporated) Candidates:Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; andExercising sound judgment.About UsFounded 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 ByteDanceInspiring 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 & InclusionByteDance 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 AccommodationByteDance 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