Senior Software Engineer - Traffic Infrastructure

ByteDance will be prioritizing applicants who have a current right to work in Singapore, and do not require ByteDance's sponsorship of a visa. ByteDance Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Helo, and Resso, 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 Us Creation is the core of ByteDance's purpose. Our products are built to help imaginations thrive. This is doubly true of the teams that make our innovations possible. Together, we inspire creativity and enrich life - a mission we aim towards achieving every day. To us, every challenge, no matter how ambiguous, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always. At ByteDance, we create together and grow together. That's how we drive impact - for ourselves, our company, and the users we serve. Join us. Traffic Infrastructure Global Engineering Team The Traffic Infrastructure Global Engineering (TIGE) team at ByteDance operates a large network of POPs around the world that we use to accelerate site traffic and cache CDN content, and we own all layer 4 and layer 7 traffic management for Tiktok Edge. By joining us, you can learn how to build content delivery networks and Edge Computing Platform within Tiktok's Edge. To better support Tiktok, the TIGE team is seeking experienced software engineers who can help improve our Kubernetes based Cloud Native Traffic Platform. The traffic platform balances, manages and processes Tiktok application traffic across all Tiktok's edge clusters. Also, the traffic platform contains varied network services in order to orchestrate the delivery of bits from our servers to your phone. Responsibilities • Design and develop features of traffic software (DNS Server, L4 and L7 Proxy, Web Caching, and FaaS Runtime), integrate based on our traffic platform to process terabyte-scale data in real-time • Build data pipeline and develop telemetry systems to support datadriven traffic control • Develop API acceleration and other networking services that run on top of our traffic platform • Problem solving and performance tuning for online traffic • Research new technologies for more efficient and scalable traffic processing

Minimum Qualifications: • 3+ years experience in developing network systems in Rust, C, C++, and/or Go, strong developing skills in Linux environment. • Master’s degree (or Bachelor's degree with addtional 2+ years of experience) in Computer Science, Electrical Engineering, Computer Engineering or related majors. • Familiarity with network protocols such as TCP/IP, HTTP, and DNS. • Familiarity with Microservice architecture. • Familiarity with container and orchestration technologies such as Docker and Kubernetes • Strong understanding of software deployment fundamentals and automation. • Good understanding of concepts in operating system, remote process communication, high availability etc. Preferred Qualifications: • Experience in System Programming using low level system calls such as epoll, io-uring, etc., is a big plus. • Experience in developing HTTP proxy such as Nginx and Envoy is a big plus. • Experience in developing Web Caching software such as Apache Traffic Server and Varnish, etc. • Experience in Edge Computing and FaaS Runtime development. • Experience in building distributed or cloud service based management system • Proficiency in networking newer protocols such as HTTP2, HTTP3/QUIC, TLS1.3, etc. 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.