# Applied Researcher at River AI

- Company: River AI
- What the company does: Develop frontier language models and agents. Training, reinforcement learning, and inference in one system, on River Cloud or your own GPU cluster. Backed by General Catalyst.
- Company website: https://river.ai/
- Type: Startups (AI role)
- Level: Mid level
- Location: Palo Alto, CA
- Work setup: On-site
- Pay: $200K to $420K base salary per year (USD)
- Posted: 2026-11-05
- Apply by: 2026-12-20
- Apply: https://job-boards.greenhouse.io/riverai/jobs/4483321009?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/river-ai-applied-researcher/

## About the role

We are looking for exceptional applied researchers to work directly with customers across industries to train and improve their own models. Your goal is to translate real-world problems, domain expertise, and customer data into models that deliver measurable value in their workflows. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- BS, MS, or Ph.D. in Computer Science, Machine Learning, Mathematics, or equivalent practical industry experience
- Strong understanding of modern deep learning architectures and practical experience training, fine-tuning, and evaluating language or multimodal models
- Extensive hands-on experience with PyTorch or JAX, with a track record of writing clean, scalable code for model training and experimentation
- Proven ability to turn open-ended problems and imperfect real-world data into working models, using rigorous experiments and evaluation to guide decisions
- Strong communication and collaboration skills, with the ability to work directly with customers, learn new domains, and explain technical tradeoffs to technical and non-technical audiences
- A highly collaborative mindset, ownership of outcomes, and a bias for action in a fast-paced environment

Tags: Research

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/river-ai-applied-researcher/