Anthropic · San Francisco/New York City/Seattle · Hybrid

Software Engineer, ML Networking

24.9.2025

Qualifications

  • Expert-level proficiency with network protocols and networking concepts
  • Deep kernel networking: TCP/IP stack internals, XDP, eBPF, io_uring, and epoll
  • User-space networking: DPDK, RDMA, kernel bypass techniques
  • Understanding of how to build higher-level abstractions like collectives and RPC
  • Skilled at diagnosing and resolving networking issues in distributed systems, especially at OSI model layers 2-4
  • Strong programming skills in a systems programming language, including memory management, lock-free data structures, and NUMA-aware programming
  • Software, driver, and OS performance optimization tools and techniques
  • Comfort with or desire to learn Rust
  • Understanding of ML accelerators and accelerator drivers
  • Demonstrated ability to design new network protocols
  • Experience with PCIe and drivers for PCIe devices
  • Expertise in algorithms used in networking, including compression and graph algorithms
  • Experience programming on SmartNICs
  • 5+ years of experience in systems programming or network programming
  • Often comes from backgrounds in: HPC, telecommunications, host networking software, OS/kernel engineering, or embedded systems
  • Strong debugging mindset with patience for complex, multi-layered issues
  • Build a system for accelerator-initiated tensor movement over the network
  • Benchmark software for a new networking environment
  • Implement a new collective algorithm to improve latency
  • Optimize congestion control algorithms for large-scale synchronous workloads
  • Debug kernel-level network latency spikes

Benefits

$315,000 - $560,000 USD

Application

View listing at origin and apply!