# Research Engineer, Post-Training at Medra

- Company: Medra
- What the company does: Scientists automate protocols with Medra’s autonomous robotic system. Backed by Lux and Menlo.
- Company website: https://www.medra.ai/
- Type: Startups (AI role)
- Level: Mid level
- Location: San Francisco
- Work setup: On-site
- Pay: $170K to $350K base salary per year (USD)
- Posted: 2026-10-01
- Apply by: 2026-11-23
- Apply: https://jobs.ashbyhq.com/medraai/7b68aa54-c168-41c8-a817-f80f8ff16119?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/medra-research-engineer-post-training/

## About the role

Define post-training recipes for our AI models — from deciding which problem matters and how to measure it, to engineering large data collections, to running ML experiments, to integrating post-trained models into production workflows Build and own the post-training data pipelines integrating both internal data and public data Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- Practical experience building AI-driven workflows into the real world
- Strong problem solving skills for debugging complex systems
- A clear grasp of probability, statistics, and ML fundamentals
- Ability to own the post-training stack end-to-end: data pipelines, harnesses, RL environments, and agentic evaluations, even when things are loosely defined
- Proficiency in Python and familiarity with at least one deep learning framework (e.g., PyTorch, JAX)
- Experience with LLMs, post-training, reinforcement learning, or agentic systems

Tags: Engineering

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/medra-research-engineer-post-training/