Senior Software Engineer, Traffic Platform

The Traffic Infrastructure Global Engineering (TIGE)-Traffic Platform team at ByteDance builds and operates multi-cloud based large scale network services globally to accelerate and optimize network traffic for TikTok and other ByteDance applications. This includes layer 4 load balancing, layer 4/7 acceleration, global ingress, CMAF, FaaS, and WAF. The team seeks experienced software engineers to design and develop traffic software features (DNS Server, L4/L7 Proxy, Web Caching, FaaS Runtime), build data pipelines, develop telemetry systems, and enhance API acceleration services on a multi-cloud native platform, focusing on real-time data processing and performance tuning.

Must Have

• 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 additional 2+ years of experience) in Computer Science, Electrical Engineering, Computer Engineering or related majors
• Familiarity with network protocols such as TCP/IP, HTTP/HTTPs, 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

Good to Have

• Experience in building large scale network services on cloud (AWS, GCP, OCI)
• Experience in designing and developing high performance network loadbalancer products
• Experience in developing proxy software such as Nginx and Envoy
• Experience in System Programming using low level system calls such as epoll, io-uring
• Experience in developing Web Caching software such as Apache Traffic Server and Varnish
• 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

Perks & Benefits

• Medical insurance
• Dental insurance
• Vision insurance
• 401(k) savings plan with company match
• Paid parental leave
• Short-term disability coverage
• Long-term disability coverage
• Life insurance
• Wellbeing benefits
• 10 paid holidays per year
• 10 paid sick days per year
• 17 days of Paid Personal Time

Responsibilities

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 loadbalancing, layer 4/7 acceleration, global ingress, CMAF, FaaS and WAF, 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- TP team is seeking experienced software engineers who can help improve and expand our multi-cloud based Cloud Native Traffic Platform.

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 multi-cloud based traffic platform
• Problem solving and performance tuning for online traffic
• Research new technologies for more efficient and scalable traffic processing

Qualifications

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/HTTPs, 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 building large scale network services on cloud ( AWS, GCP, OCI ).
• Experience in designing and developing high performance network loadbalancer products.
• Experience in developing proxy software such as Nginx and Envoy 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 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.