ResponsibilitiesOur Content Distribution Networks (CDN) team operates on a hybrid platform that integrates both commercial CDN vendors and ByteDance’s proprietary edge network. This platform encompasses a vast array of Points of Presence (POPs) around the world, hosting edge services like traffic acceleration, CDN caching, gaming, and more. We are looking for experienced reliability and performance engineers to ensure the stability and reliability of our edge services and products running on our hybrid CDN platform. This role will also involve optimizing performance and developing innovative solutions to meet the evolving business demands at the edge. As a Senior Software Engineer for ByteDance's Multi-Cloud CDN, you will be responsible for the architecture design, R&D, and continuous optimization of our Multi-Cloud CDN platform. This includes developing and optimizing systems for configuration management, data analysis, content management, and scheduling. Your work will ensure efficient business access and support flexible and configurable scheduling strategies to optimize TikTok's global traffic management. Responsibilities: 1. Design and develop the architecture of the Multi-Cloud CDN middle platform solution. 2. Design and develop systems such as configuration management, data analysis, content management, and scheduling within the Multi-Cloud CDN platform. 3. Develop and optimize the Multi-Cloud CDN scheduling system, covering DNS, SDK, 302, and HTTPDNS scheduling. 4. Construct an intelligent scheduling system to optimize global traffic management based on business scenarios, resource levels, cost control, service quality, and transmission protocols. 5. Continuously improve the performance and reliability of the Multi-Cloud CDN platform.QualificationsMinimum Requirements: 1. Bachelor's degree in computer science, electronics and communication, mathematics, physics, or related fields. 2. Proficiency in one or two programming languages, such as C/C++, Go, Python, Java, or PHP, within a Linux environment. 3. Solid technical foundation with experience in API/platform design and a strong understanding of network protocols, storage, and message queues. 4. Proficiency in CDN working principles. 5. Strong communication skills, with demonstrated execution ability and effective teamwork spirit. Preferred Requirements: 1. Extensive experience in API/platform design, showcasing a deep understanding of network protocols, storage systems, and message queues. 2. Experience in CDN system design and development, with a proven track record in optimizing and troubleshooting CDN Information【For Pay Transparency】Compensation Description (Annually) The base salary range for this position in the selected city is $137200 - $330000 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.​ Benefits may vary depending on the nature of employment and the country work location. Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short-term and long-term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).​ 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:​ 1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;​ 2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and​ 3. Exercising sound judgment.​ About Us Founded 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 ByteDance Inspiring 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 & Inclusion​ 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.​ Reasonable Accommodation ByteDance 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,