Preferred Networks
AI for Science · Robotics AI

Preferred Networks tech stack

Preferred Networks builds mostly with Python, C++, Java, Rust. Its stack also includes AWS, Linux, Scikit-learn, PyTorch. Python is named in 30 of the 56 job postings Preferred Networks published in the last 12 months (54%). Counted by Alion from the job postings of Preferred Networks, updated Nov 14, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Nov 14, 2026
Technologies in use
94
Postings analysed
56
Open now
50
Modernity
83 /100

What programming languages does Preferred Networks use?

Python is named in 54% of job postings at Preferred Networks, followed by C++ (41%), Java (27%), Rust (14%).

Python 30 54% required in 100% · 29 open now · since Sep 2026
C++ 23 41% required in 91% · 20 open now · since Sep 2026
Java 15 27% required in 100% · 15 open now · since Sep 2026
Rust 8 14% required in 63% · 7 open now · since Sep 2026
C# 5 9% optional · 5 open now · since Sep 2026
TypeScript 3 5% required in 100% · 3 open now · since Sep 2026
Node JS 2 4% required in 100% · 1 open now · since Sep 2026
PowerShell 2 4% required in 100% · 1 open now · since Sep 2026
Show all (15)
JavaScript2
Ruby1
SystemC1
SystemVerilog1
VHDL1
Verilog1
C1

What frameworks and libraries does Preferred Networks use?

Scikit-learn is named in 13% of job postings at Preferred Networks, followed by PyTorch (9%), DeepSpeed (5%), FSDP (5%).

Scikit-learn 7 13% required in 14% · 7 open now · since Sep 2026
PyTorch 5 9% required in 60% · 5 open now · since Sep 2026
DeepSpeed 3 5% required in 33% · 3 open now · since Sep 2026
FSDP 3 5% required in 33% · 3 open now · since Sep 2026
NumPy 2 4% required in 100% · 1 open now · since Sep 2026
LangChain 2 4% required in 50% · 2 open now · since Sep 2026
Transformers 2 4% required in 50% · 2 open now · since Sep 2026
CUDA 1 2% required in 100% · 1 open now · since Sep 2026
Show all (14)
LlamaIndex1
MPI1
Optuna1
SGLang1
MuJoCo1
TRL1

What cloud and platforms does Preferred Networks use?

AWS is named in 21% of job postings at Preferred Networks, followed by Linux (20%), GCP (18%), Unix (16%).

AWS 12 21% required in 42% · 11 open now · since Sep 2026
Linux 11 20% required in 73% · 10 open now · since Sep 2026
GCP 10 18% required in 40% · 9 open now · since Sep 2026
Unix 9 16% required in 56% · 9 open now · since Sep 2026
Kubernetes 7 13% required in 71% · 7 open now · since Sep 2026
GitHub 7 13% required in 43% · 6 open now · since Sep 2026
.NET 5 9% required in 100% · 5 open now · since Sep 2026
OpenAI 2 4% required in 100% · 2 open now · since Sep 2026
Show all (20)
vLLM2
Amazon S32
Windows2
SIEM2
Azure1
SentinelOne1
arXiv1
Amazon CloudWatch1
Amazon EC21
Amazon EKS1
GitLab1
MLFlow1

What developer tools does Preferred Networks use?

AWS CDK is named in 5% of job postings at Preferred Networks, followed by Git (5%), Terraform (5%), InfiniBand (4%).

AWS CDK 3 5% optional · 3 open now · since Sep 2026
Git 3 5% optional · 2 open now · since Sep 2026
Terraform 3 5% optional · 3 open now · since Sep 2026
InfiniBand 2 4% required in 50% · 1 open now · since Sep 2026
Apache HTTP Server 1 2% required in 100% · 1 open now · since Sep 2026
Jupyter Notebook 1 2% required in 100% · 1 open now · since Sep 2026
Model Context Protocol 1 2% required in 100% · 1 open now · since Sep 2026
Semantic Kernel 1 2% required in 100% · 1 open now · since Sep 2026
Show all (10)
llama.cpp1
Isaac Sim1

What AI and ML technologies does Preferred Networks use?

LLM is named in 52% of job postings at Preferred Networks, followed by VLM (9%), Qwen (7%), LLaVA (2%).

LLM 29 52% required in 93% · 27 open now · since Sep 2026
VLM 5 9% required in 80% · 5 open now · since Sep 2026
Qwen 4 7% required in 75% · 4 open now · since Sep 2026
LLaVA 1 2% optional · 1 open now · since Sep 2026

Which engineering practices does Preferred Networks ask for?

Machine Learning is named in 20% of job postings at Preferred Networks, followed by HPC (9%), Multimodal AI (7%), Post-training (7%).

Machine Learning 11 20% required in 91% · 10 open now · since Sep 2026
HPC 5 9% required in 100% · 4 open now · since Sep 2026
Multimodal AI 4 7% required in 100% · 4 open now · since Sep 2026
Post-training 4 7% required in 100% · 4 open now · since Sep 2026
Pre-training 4 7% required in 100% · 4 open now · since Sep 2026
RAG 3 5% required in 100% · 3 open now · since Sep 2026
CI/CD 3 5% required in 67% · 3 open now · since Sep 2026
AI Agents 2 4% required in 100% · 2 open now · since Sep 2026
Show all (31)
Fine-tuning2
Quantization2
Reinforcement Learning2
Vision-Language-Action2
KV Cache2
SFT2
SLAM2
BGP1
CNN1
Computer Vision1
ETL/ELT1
FinOps1
MPLS1
Physical AI1
Prompt Engineering1
Reinforcement Learning1
Sim-to-Real1
Synthetic Data1
eBPF1
DPO1
GRPO1
IAM1
OCR1

What does each Preferred Networks team work with?

The technologies each team's postings require most often, with the number of postings that require them.

AI/ML

28 postings
Python20
LLM15
C++14
Java10
Linux6
Unix5

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How modern is the Preferred Networks stack?

Cutting-edge AI adopter 83/100

Preferred Networks scores 83 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: 4; legacy ones: 0.

How common is the Preferred Networks stack in its industry?

Share of the 375 companies in the same industries, whose stack Alion knows, that use each technology.

Python89%
LLM53%
C++63%
Java23%
AWS54%
Linux58%
GCP43%
Unix12%
Rust34%
GitHub38%

Questions about the Preferred Networks tech stack

What programming languages does Preferred Networks use?

The languages named in Preferred Networks job postings are Python (54%), C++ (41%), Java (27%), Rust (14%), C# (9%), as a share of the 56 postings of the last 12 months.

Does Preferred Networks use Scikit-learn?

Yes. Scikit-learn is named in 7 of 56 job postings (13%) and required in 1 of them.

What cloud and platforms does Preferred Networks use?

The cloud and platforms named in Preferred Networks job postings are AWS (12), Linux (11), GCP (10) (postings in brackets).

What skills do you need for a AI/ML job at Preferred Networks?

AI/ML postings at Preferred Networks most often require Python (20), LLM (15), C++ (14), Java (10), out of 28 postings in the last 12 months.

Is the Preferred Networks tech stack changing?

No new technology has appeared in Preferred Networks job postings in the last six months.

How modern is the Preferred Networks tech stack?

Preferred Networks scores 83 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: 4; legacy ones: 0.

How does Alion know the Preferred Networks tech stack?

Alion reads every job posting Preferred Networks publishes and tags the technologies each one names. The figures on this page count the 56 postings of the last 12 months and were updated on Nov 14, 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, "Preferred Networks tech stack: 94 technologies from 56 job postings", as of Nov 14, 2026. https://alion.io/company/preferred-networks/technologies

Licence: CC BY-SA 4.0JSON