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TikTokVerified from TikTok's careers page · TikTok

Senior /Team Lead Research Engineer, AI/LLM/HPC Network

  • Seattle, Washington, USA
  • On-site
  • First seen Nov 15, 2026

Visa sponsorship: the posting does not say.

TikTok had H-1B petitions approved for 454 workers in fiscal year 2026 (USCIS). That is history, not a promise for this role. See the record

At a glance

Senior /Team Lead Research Engineer, AI/LLM/HPC Network at TikTok, an on-site role based in Seattle, Washington, USA. First seen on RealAnalystJobs on 15 November 2026, read from TikTok's own careers page (TikTok), which RealAnalystJobs re-checks daily and removes the role when it closes. TikTok has approved H-1B petitions on USCIS record (employer-wide, not a promise for this role).

Similar roles on RealAnalystJobs, as of 15 November 2026

About this role

About the Team The Networking team brings together innovative ideas and technologies from network architecture, software defined networking (SDN), network virtualization, switch software and hardware co-design, and high-speed networking, to create hyperscale data-center networking solutions that power several of the most popular apps of the world such as Douyin and TikTok which serve hundreds of millions of users around the globe. The Networking team is responsible for designing, building, and operating the global, intelligent network infrastructure to meet the requirements of high availability, scalability, and high-performance. By joining this team, you will gain marketable software development and/or network operation experiences in data center networking at massive scale. Responsibilities: - Design, implementation and deployment of high-speed network technologies to support AI/LLM applications. - Design and development of platforms/systems for monitoring, analysis and diagnosis of large scale AI/LLM network. - Research and development of high-performance AI communication framework, network protocol stacks, and codesign optimization of host-network-application to improve the scalability, reliability and performance of AI/LLM network. - Building next generation AI network infrastructure supporting large scale heterogeneous network hardware with innovative and deployable solutions. Qualifications Minimum Qualifications - Bachelor or higher degree in computer science, electronic engineering, network engineering or related fields. - Proficiency in computer network and network programming. - Proficiency in one or several mainstream programming languages, including C/C++, Python, Go and so on. - Be familiar with the latest advances in the area of high-speed network systems, including RDMA, congestion control, AI network optimization and so on. Preferred Qualifications - Experience in developing high performance communication frameworks(including NCCL, MPI and RPC libraries) is a plus. - Experience in developing software systems for AI network diagnosis and performance optimization is a plus.

Description from TikTok's public careers feed, reproduced so you can read the role here. Apply on the company's own site; RealAnalystJobs never submits anything for you.

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