CareerPlan

Forward Deployed Engineer, Post-Training

San FranciscoRemoteFull-time$270k–$300k2026-10-24 → 2026-11-10
Remote

Core

Hands-on technical partner guiding strategic AI customers through post-training LLMs, including data strategy, algorithm selection, experiment design, and evaluation.

Role type

Senior Forward Deployed Engineer (Post-Training)

Builds

Fine-tuning and reinforcement learning (RL) platforms for open-source foundation models

Domain

Generative AI / Large Language Models (LLMs)

Deliverable

production ML models

Required skills

LLM post-training (SFT, LoRA, DPO, RL), experiment design, data strategy, Python, open-source model landscape knowledge, RL workload sizing

Preferred skills

Self-directed research of new open-source models, building evaluation frameworks (LLM-as-judge), contributing code and recipes

Technologies

Python, SFT, LoRA, DPO, GRPO, PPO

Responsibilities

Define and execute customer data strategies for post-training; recommend post-training approaches; design experiments and tune hyperparameters; build evaluation frameworks; guide base model selection; scope RL and fine-tuning workloads; lead technical execution for strategic accounts; provide product feedback and contribute code

Seniority

Senior, hands-on IC