CareerPlanSign in

Staff Research Engineer

SF, onsite💼 Full-time💰 $200,000–$200,000🗓 2026-04-27 → 2026-09-23

Core

Building decision-making systems for AI agents operating across voice, chat, and email, focusing on reliability in real-world customer environments.

Role type

Staff Research Engineer (Applied AI/LLM Systems)

Builds

Production-ready reasoning systems, memory/retrieval architectures, and multi-step agent workflows for voice, chat, and email channels.

Domain

Artificial Intelligence, Large Language Models (LLM), Agent-based Systems

Deliverable

production ML models

Required skills

LLM production experience, Reinforcement Learning (RL), post-training techniques, agent-based system design, memory and retrieval architecture, multi-step workflow execution, tool use integration, end-to-end system engineering, real-world model behavior analysis

Preferred skills

Experience with long-context interactions, system reliability under real-world constraints, cross-functional collaboration with product teams

Technologies

LLMs, RL frameworks, agent orchestration tools, production deployment pipelines

Responsibilities

Design and improve reasoning systems for real-world agent workflows; Build and refine memory, retrieval, and multi-step execution systems; Develop post-training and evaluation approaches for deployed models; Iterate on systems based on real user behavior and performance; Take research ideas through to production environments

Seniority

Staff, high autonomy & strategic ownership

Sourced via techire · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.