GrepJob
xAI

Software Engineer - Network (C++)

xAI
Apply
about 3 hours ago
Palo Alto, CA, USA or Seattle, WA, USAMid Level / Senior
H1B Sponsor

Base Salary

$180k - $440k/yr

Responsibilities

  • Develop routing and traffic-engineering algorithms for the Colossus high-performance datacenter network.
  • Create highly reliable, real-time software for network switches in the AI training fabric.
  • Participate in and lead architecture, design, and code reviews.
  • Develop prototypes and run experiments to validate design decisions.
  • Build tools for software development, deployment, and testing across various environments.
  • Deploy reliable software updates through continuous integration and rigorous testing.

Requirements

  • Bachelor’s degree in computer science, engineering, math, or related field, or 2+ years of professional software development experience.
  • Strong development experience in C or C++.
  • Experience writing high-performance C/C++ in production environments.
  • Knowledge of networking protocols (UDP, TCP/IP, RDMA) and distributed systems.
  • Background in real-time systems, high-performance computing, or low-latency networking.
  • Exceptional analytical skills and strong engineering fundamentals.
  • Excellent written and verbal communication skills.
  • Ability to thrive in a fast-paced, dynamic environment.

Benefits

  • Equity in the company.
  • Comprehensive medical, vision, and dental coverage.
  • Access to a 401(k) retirement plan.
  • Short & long-term disability insurance.
  • Life insurance and various discounts and perks.

Tech Stack