Abundant
Member of Technical Staff, Platform Engineering
San Francisco · On-site · Staff · Full-time · Posted Sep 9, 2026
About the job
Build and scale Abundant’s simulation engine and infrastructure, improving performance and supporting customer-facing products and internal systems.
What you'll do
- Add features to the core simulation engine and improve its performance, including throughput and cost.
- Scale software to support 10B+ events and tens of thousands of monthly human and virtual users.
- Help establish the engineering culture as the technical team grows.
What they ask for
- Deep understanding of evaluations, RL, and how LLMs and Agents work.
- Ability to read research papers and keep up with state-of-the-art literature.
- High proficiency with coding agents such as Codex or Claude Code.
Tools
Codex, Claude Code
AI focus
Build simulation infrastructure where next-generation models learn to reason and solve complex problems; work with evaluations, RL, LLMs, and agents.
Model-written summary · the original posting is authoritative