AI/LLM Network Software Development Engineer

Seattle, Washington, US Until 8/21/2026 H-1B sponsor history First posted March 29, 2026 Last posted March 29, 2026
Job description

Description

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.

Requirements

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.
- 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.

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.

About this role

Summary

Design and develop high-speed network systems for AI/LLM applications.

Job title

AI/LLM Network Software Development Engineer

Experience level

null

Industry

software

Location requirements

Seattle, remote work not specified

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

computer networknetwork programmingC/C++PythonGo

Preferred skills

NCCLMPIRPCAI network diagnosisperformance optimization

Specializations

networkingAIhigh-speed networknetwork protocolperformance optimization
Locations

Structured locations inferred from the posting.

Seattle, WA, USA

Work arrangement unknown City