Systems Software Engineer (C++)

Company Thunder Compute is the lowest cost, easiest GPU cloud for developers. We’re a 4‑person team with $4.5M raised from top tier investors including Y Combinator and Matrix Partners. There are two parts to our company. 1) we are a cloud platform where customers can rent GPUs just like they would from Coreweave, Lambda, AWS, etc., and 2) we are building systems software to use GPUs more efficiently than these competitors. Role Your work will focus on core C++ systems development: performance optimization, systems debugging, and research . You will spend your days bouncing between the weeds of complex, performance‑critical systems in a production, customer‑facing environment. This work is not easy - but if you’re the right candidate, this is a feature, not a bug. Core technical skills Top 0.1% C++ ability Experience optimizing NIC/GPU performance Deep understanding of low-level networking, compilers, and similar systems Experience in latency‑sensitive environments Must haves You’ve got the dog in you: you will own your work and be responsible for production systems from day 1 High speed-to-output Willingness to assume a senior leadership role as we scale Strong communication skills under pressure Preferred CS Bachelor’s degree from top 50 US university, 3.5+ GPA 1+ year of experience at a trading firm (Citadel, Jane Street, etc.), hardware company (NVIDIA, SambaNova), systems research or similar Logistics You’ll report to Co‑founder/CTO Brian (ex‑Citadel quant dev) This role is full‑time, in‑person in SF #J-18808-Ljbffr