Senior Software Engineer, CDN- Seattle

ResponsibilitiesTikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. TikTok has global offices including Los Angeles, New York, London, Paris, Berlin, Dubai, Singapore, Jakarta, Seoul and Tokyo.Why Join UsAt TikTok, our people are humble, intelligent, compassionate and creative. We create to inspire - for you, for us, and for more than 1 billion users on our platform. We lead with curiosity and aim for the highest, never shying away from taking calculated risks and embracing ambiguity as it comes. Here, the opportunities are limitless for those who dare to pursue bold ideas that exist just beyond the boundary of possibility. Join us and make impact happen with a career at TikTok.To better support TikTok, the infrastructure engineering team is seeking solid software engineers who can help improve our CDN system. The CDN platform balances, manages and processes TikTok application traffic across all TikTok's edge clusters. Also, the CDN system contains varied network services in order to orchestrate the delivery of bits from our servers to your phone.We operate 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. We are also actively using new generation technologies to drive innovation. By joining us, together we could build cloud-native content delivery networks and Edge Computing.ResponsibilitiesDesign and develop features of CDN software such as DNS server, HTTP proxy and service mesh to process terabyte-scale data in real-time.Design and develop CDN system to manage all kinds of CDN workloads.Build data pipeline and develop telemetry systems to support data-driven traffic control and resource management.Develop cache, API acceleration and other CDN products that run on top of our CDN system.Problem solving and performance tuning for online traffic.Research new technologies for more efficient and scalable traffic processing.QualificationsMinimum Qualifications:Master’s degree (or Bachelor's degree with 5+ years of experience) in Computer Engineering, Electrical Engineering, Computer Science or related major.3+ years experience in developing network systems in C, C++, Go, or Python, strong developing skills in Linux environment.Familiarity with DNS and HTTP infrastructure.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 systems, remote process communication, high availability, etc.Preferred Qualifications:Experience in developing cloud-native applications.Experience in developing observability features (monitoring, logging, tracing) for distributed systems.Experience in developing HTTP proxy such as Nginx and Envoy.Experience in developing Service Mesh related projects.Proficiency in networking protocols such as DNS, HTTP, TLS and QUIC.TikTok 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 TikTok, our mission is to inspire creativity and bring joy. 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.TikTok 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 yinghao.shang@bytedance.com.Job Information:For Pay TransparencyThe base salary range for this position in the selected city is $177688 - $266000 annually. Compensation may vary outside of this range depending on a number of factors, including a candidate’s qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units.Our company benefits are designed to convey company culture and values, to create an efficient and inspiring work environment, and to support our employees to give their best in both work and life. We offer the following benefits to eligible employees:We cover 100% premium coverage for employee medical insurance, approximately 75% premium coverage for dependents and offer a Health Savings Account (HSA) with a company match. As well as Dental, Vision, Short/Long term Disability, Basic Life, Voluntary Life and AD&D insurance plans. In addition to Flexible Spending Account (FSA) Options like Health Care, Limited Purpose and Dependent Care.Our time off and leave plans are: 10 paid holidays per year plus 17 days of Paid Personal Time Off (PPTO) (prorated upon hire and increased by tenure) and 10 paid sick days per year as well as 12 weeks of paid Parental leave and 8 weeks of paid Supplemental Disability.We also provide generous benefits like mental and emotional health benefits through our EAP and Lyra. A 401K company match, gym and cellphone service reimbursements. The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

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