River AI tech stack
River AI builds mostly with C++, Python, Rust, SystemVerilog. Its stack also includes CUDA, PyTorch, Cadence Protium, Synopsys HAPS. C++ is named in 9 of the 25 job postings River AI published in the last 12 months (36%). Counted by Alion from the job postings of River AI, updated Nov 13, 2026.
What programming languages does River AI use?
C++ is named in 36% of job postings at River AI, followed by Python (32%), Rust (16%), SystemVerilog (12%).
C++
9 36%
Python
8 32%
Rust
4 16%
SystemVerilog
3 12%
Assembly
2 8%
Perl
1 4%
SystemC
1 4%
TypeScript
1 4%
Show all (10)
What frameworks and libraries does River AI use?
CUDA is named in 24% of job postings at River AI, followed by PyTorch (24%), Triton (16%), JAX (16%).
Show all (15)
What cloud and platforms does River AI use?
Cadence Protium is named in 8% of job postings at River AI, followed by Synopsys HAPS (8%), vLLM (8%), Linux (4%).
What developer tools does River AI use?
Cadence Palladium is named in 8% of job postings at River AI, followed by LLVM (8%), Synopsys Fusion Compiler (8%), Synopsys PrimeTime (8%).
Cadence Palladium
2 8%
LLVM
2 8%
Synopsys PrimeTime
2 8%
Synopsys ZeBu
2 8%
Ansys RedHawk
1 4%
GCC
1 4%
Show all (14)
What AI and ML technologies does River AI use?
PEFT is named in 12% of job postings at River AI, followed by LLM (8%), LoRA (4%).
Which engineering practices does River AI ask for?
Pre-training is named in 64% of job postings at River AI, followed by Post-training (40%), Reinforcement Learning (28%), Fine-tuning (24%).
Reinforcement Learning
7 28%
Fine-tuning
6 24%
Mixture of Experts
3 12%
CI/CD
3 12%
AI Agents
2 8%
Show all (20)
What does each River AI team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Hardware
4 postingsBackend
4 postingsAI/ML
3 postingsHow does your stack fit River AI?
How is the River AI stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the River AI stack?
River AI scores 80 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 3; legacy ones: 0.
How common is the River AI stack in its industry?
Share of the 381 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like River AI
Questions about the River AI tech stack
What programming languages does River AI use?
The languages named in River AI job postings are C++ (36%), Python (32%), Rust (16%), SystemVerilog (12%), Assembly (8%), as a share of the 25 postings of the last 12 months.
Does River AI use CUDA?
Yes. CUDA is named in 6 of 25 job postings (24%) and required in 4 of them.
What cloud and platforms does River AI use?
The cloud and platforms named in River AI job postings are Cadence Protium (2), Synopsys HAPS (2), vLLM (2) (postings in brackets).
What skills do you need for a Hardware job at River AI?
Hardware postings at River AI most often require C++ (2), CUDA (2), SystemVerilog (2), Triton (2), out of 4 postings in the last 12 months.
Is the River AI tech stack changing?
Yes. AI Agents, Mixture of Experts, SGLang, vLLM first appeared in River AI job postings in the last six months.
How modern is the River AI tech stack?
River AI scores 80 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 3; legacy ones: 0.
How does Alion know the River AI tech stack?
Alion reads every job posting River AI publishes and tags the technologies each one names. The figures on this page count the 25 postings of the last 12 months and were updated on Nov 13, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "River AI tech stack: 67 technologies from 25 job postings", as of Nov 13, 2026. https://alion.io/company/river-ai/technologies