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Senior/Staff Software Engineer, AI Agent Infrastructure

California - HQ💼 Full-time💰 $193,930–$193,930🗓 2026-07-31 → 2026-09-26

Core

Building a trustworthy, autonomous agent platform and closed-loop evaluation system to amplify engineering output and automate research/experiments at scale.

Role type

Staff/Principal Software Engineer (AI Agent Infrastructure & Evaluation)

Builds

Autonomous agent runtime, closed-loop evaluation systems, autoresearch infrastructure, and agent-powered tooling for the engineering lifecycle.

Domain

AI Infrastructure, Autonomous Systems, LLM Research Operations

Deliverable

production ML models | infrastructure | product features

Required skills

LLM training dynamics (SFT, RL, preference optimization), inference optimization (KV-cache, speculative decoding), distributed systems at scale, agent system architecture (orchestration, sandboxing, memory), Python, Go/C++/Rust, experiment orchestration, observability, security isolation

Preferred skills

Post-training/fine-tuning experience, developer experience (DevEx) or platform engineering, open tool-integration protocols, multi-agent coordination

Technologies

Python, Go, C++, Rust, LLM frameworks, cloud infrastructure, queuing systems

Responsibilities

Design and build the closed-loop measurement layer for agent output acceptance/reversion; automate the research loop from assisted to unattended; design isolation and permissioning models for agents acting on production systems; build agent-powered tooling for code generation, review, and debugging.

Seniority

Staff/Principal, hands-on IC with deep scope and ownership

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