River AI logo
River AI logo
River AI
river.ai
river.ai • HQ: Palo Alto, United States • 201-500 employees • Founded 2026 • Startup
HQ: Palo Alto, United States • 201-500 employees • Founded 2026 • Startup
Actively hiring
AI Development Tools
AI Chips & Accelerators
Foundation Models
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Back to the profile River AI Salaries All salaries at River AI Tech stack 67 technologies

What jobs is River AI hiring for right now?

As of Oct 20, 2026, River AI has 18 open jobs on Alion. 18 of them state a salary (100%). They are posted in 3 cities. Its postings score C on the Alion truth index.

Source: Alion Coverage: open vacancies from the employer's own careers board Oct 18, 2026
Open jobs
18
With salary
18 (100%)
Cities
3
Posted in 30 days
4
Median age
111 days

How River AI hires

Truth index
C 67/100
Ghost roles
56%
Stale roles
0%
Reposted roles
0%

River AI scores C on the Alion truth index (A is best, E worst), measured over 18 open roles re-checked against its own hiring board: 56% look like ghost listings, 0% have gone stale and 0% are the same role posted again. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed

Which roles River AI is hiring for

17 Jobs
Data Science 4 23.5%
Backend 4 23.5%
Hardware 3 17.6%
AI/ML 2 11.8%
Sales 1 5.9%
Other roles 3 17.6%

Where River AI is hiring

River AI hires from 3 offices across 1 countries, holding 27 of its open vacancies between them.

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Headquarters Builds here Office with open vacancies Tap a pin for the office

How the work at River AI is set up

Work format
In office 18 100%
Level
Senior 7 58%
Lead 4 33%
Staff+ 1 8%

Salaries in River AI vacancies

18 of 18 vacancies state a salary (100%). The range below is built from those 18 stated figures only, never from an estimate.

Lower quartile
$400k
Median
$420k
Upper quartile
$420k
$360k$420k

All salaries at River AI

Open vacancies at River AI

$200k – $350k per year • In office • Palo Alto
Fine-tuning
Reinforcement Learning
Post-training
Machine Learning
Apply
$280k – $360k per year • In office • 5+ years exp • San Francisco • Palo Alto
Post-training
Machine Learning
DevOps
IAM
Apply
$200k – $420k per year • In office • 5+ years exp • Bachelor's Degree • Austin
Python
C++
SystemVerilog
AI Agents
Pre-training
Agentic Workflows
DevOps
CI/CD
Chips/EDA
UVM
Synopsys ZeBu
Cadence Palladium
Synopsys HAPS
Cadence Protium
Apply
$200k – $380k per year • In office • 7+ years exp • Palo Alto
Post-training
Apply
$200k – $380k per year • In office • San Francisco • Palo Alto
Post-training
Machine Learning
Apply
$200k – $420k per year • In office • Bachelor's Degree • Palo Alto
Fine-tuning
RLHF
Reinforcement Learning
JAX
Multimodal AI
Diffusion Models
PEFT
Transformers
PyTorch
Pre-training
Edge AI
Machine Learning
Apply
$200k – $420k per year • In office • 5+ years exp • Bachelor's Degree • Palo Alto • Austin
Python
C++
SystemVerilog
Pre-training
Chips/EDA
Synopsys PrimeTime
Synopsys Fusion Compiler
Synopsys Verdi
Apply
$200k – $420k per year • In office • Bachelor's Degree • Palo Alto
Python
Rust
C++
PyTorch C++
AI/ML
LoRA
CUDA Toolkit
Fine-tuning
Reinforcement Learning
JAX
PEFT
PyTorch
Mixture of Experts
CUDA
Pre-training
NCCL
Apply
$200k – $420k per year • In office • Bachelor's Degree • Palo Alto
Python
C++
PyTorch C++
AI/ML
vLLM
CUDA Toolkit
Fine-tuning
SGLang
Accelerate
PyTorch
Mixture of Experts
CUDA
Triton
Pre-training
CUTLASS
Apply
$200k – $420k per year • In office • Bachelor's Degree • Palo Alto
Python
Rust
C++
vLLM
CUDA Toolkit
Reinforcement Learning
SGLang
TensorRT
TensorRT-LLM
Mixture of Experts
CUDA
Pre-training
Speculative Decoding
KV Cache
Apply
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Questions about jobs at River AI

Is River AI hiring right now?

Yes. As of Oct 20, 2026, River AI has 18 open jobs on Alion.

What roles does River AI hire for?

River AI is hiring mostly for Data Science, Backend, Hardware. The largest group is Data Science with 4 open vacancies.

How much does River AI pay?

100% of vacancies at River AI state a salary. Across those 18 stated figures the range runs from $400k to $420k, with a median of $420k.

Where does River AI hire?

River AI has open vacancies in 3 places, most of all in Palo Alto, Austin, San Francisco.

How long have River AI vacancies been open?

Half have been on Alion for 111 days or less. 10 vacancies at River AI have been listed for more than 90 days, and postings of that age are far more often out of date.

How reliable are River AI job postings?

River AI scores C on the Alion truth index (A is best, E worst), measured over 18 open roles re-checked against its own hiring board: 56% look like ghost listings, 0% have gone stale and 0% are the same role posted again.

How do you apply to River AI?

River AI accepts applications through Greenhouse, so the form opens on that system rather than on Alion.

How to cite this page

These figures are published under a free licence. You may reuse them, including commercially, as long as you credit Alion and link back to this page.

Alion, "River AI: 18 open jobs", as of Oct 20, 2026. https://alion.io/company/river-ai/jobs

Licence: CC BY-SA 4.0Map: OpenFreeMap, OpenStreetMap. City coordinates: GeoNames (CC BY 4.0)