Software Engineer Intern

TEAM INTRODUCTION The Traffic Infrastructure Global Engineering (TIGE)-Traffic Platform team at ByteDance builds and operates multi-cloud based large scale network services around the world that we use to accelerate and optimize network traffic for Tiktok and a variety of application services for ByteDance internal customers, which include but are not limited to layer 4/7 loadbalancing, layer 4/7 acceleration, global ingress, forwarding proxy etc. By joining us, you can work within a brilliant team and learn how to build Tiktok scale network traffic platform which serves billions of users globally. To better support Tiktok, the TIGE- Traffic Platform team is seeking interns who can help contribute to our multicloud based Cloud Native Traffic Platform. We are looking for talented individuals to join us for an internship in 2026. Internships at ByteDance aim to offer students industry exposure and hands-on experience. Watch your ambitions become reality as your inspiration brings infinite opportunities at ByteDance. Internships at ByteDance aim to provide students with hands-on experience in developing fundamental skills and exploring potential career paths. A vibrant blend of social events and enriching development workshops will be available for you to explore. Here, you will utilize your knowledge in real-world scenarios while laying a strong foundation for personal and professional growth. It runs for 12 weeks. Candidates can apply to a maximum of two positions and will be considered for jobs in the order you apply. The application limit is applicable to ByteDance and its affiliates' jobs globally. Applications will be reviewed on a rolling basis. We encourage you to apply as early as possible. Please state your availability clearly in your resume (Start date, End date). Summer Start Dates: - May 11th, 2026 - May 18th, 2026 - May 26th, 2026 - June 8th, 2026 - June 22nd, 2026 RESPONSIBILITIES • Design and develop features of traffic software (L4 and L7 Load Balancer, Caching), integrate based on our traffic platform to process terabyte-scale data in real-time • Build data pipelines and develop telemetry systems to support datadriven traffic control • Develop API acceleration and other networking services that run on top of our multi-cloud based traffic platform • Problem solving and performance tuning for online traffic • Research new technologies for more efficient and scalable traffic processing Minimum Qualifications: • Experience in developing network systems in Rust, C, C++, and/or Go, developing skills in Linux environment. • Familiarity with network protocols such as TCP/IP, HTTP/HTTPs, and DNS. • Able to commit to working for 12 weeks during Summer 2026 Preferred Qualifications: - Experience in developing proxy software such as Nginx and Envoy is a big plus. - Experience in networking security systems such as WAF, L4/L7 Anti-DDOS is a big plus. - Experience in System Programming using low level system calls such as epoll, io-uring, etc., is a big plus. - Experience in networking newer protocols such as HTTP2, HTTP3/QUIC, TLS1.3, etc. By submitting an application for this role, you accept and agree to our global applicant privacy policy, which may be accessed here: https://jobs.bytedance.com/en/legal/privacy