Preferred Networks tech stack

Preferred Networks builds mostly with Python, C++, Java, Rust. Its stack also includes AWS, Linux, Scikit-learn, PoC Library. Python is named in 28 of the 53 job postings Preferred Networks published in the last 12 months (53%). Counted by Alion from the job postings of Preferred Networks, updated Sep 29, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 29, 2026
Technologies in use
94
Postings analysed
53
Open now
53
Modernity
82 /100

What programming languages does Preferred Networks use?

Python is named in 53% of job postings at Preferred Networks, followed by C++ (40%), Java (26%), Rust (13%).

Python 28 53% required in 100% · 28 open now · since Sep 2026
C++ 21 40% required in 90% · 21 open now · since Sep 2026
Java 14 26% required in 100% · 14 open now · since Sep 2026
Rust 7 13% required in 57% · 7 open now · since Sep 2026
C# 5 9% optional · 5 open now · since Sep 2026
TypeScript 3 6% required in 100% · 3 open now · since Sep 2026
Node JS 2 4% required in 100% · 2 open now · since Sep 2026
PowerShell 2 4% required in 100% · 2 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 11% of job postings at Preferred Networks, followed by PoC Library (9%), PyTorch (8%), DeepSpeed (6%).

Scikit-learn 6 11% optional · 6 open now · since Sep 2026
PoC Library 5 9% required in 100% · 5 open now · since Sep 2026
PyTorch 4 8% required in 50% · 4 open now · since Sep 2026
DeepSpeed 3 6% required in 33% · 3 open now · since Sep 2026
FSDP 3 6% required in 33% · 3 open now · since Sep 2026
PyTorch C++ 3 6% required in 33% · 3 open now · since Sep 2026
NumPy 2 4% required in 100% · 2 open now · since Sep 2026
LangChain 2 4% required in 50% · 2 open now · since Sep 2026
Show all (15)
Transformers2
CUDA1
LlamaIndex1
MPI1
Optuna1
SGLang1
TRL1

What cloud and platforms does Preferred Networks use?

AWS is named in 23% of job postings at Preferred Networks, followed by Linux (19%), GCP (19%), Unix (17%).

AWS 12 23% required in 42% · 12 open now · since Sep 2026
Linux 10 19% required in 70% · 10 open now · since Sep 2026
GCP 10 19% required in 40% · 10 open now · since Sep 2026
Unix 9 17% 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% · 7 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 (21)
vLLM2
Amazon S32
Windows2
SIEM2
Azure1
CUDA Toolkit1
SentinelOne1
arXiv1
Amazon CloudWatch1
Amazon EC21
Amazon EKS1
GitLab1
MLFlow1

What developer tools does Preferred Networks use?

AWS CDK is named in 6% of job postings at Preferred Networks, followed by Git (6%), Terraform (6%), InfiniBand (4%).

AWS CDK 3 6% optional · 3 open now · since Sep 2026
Git 3 6% optional · 3 open now · since Sep 2026
Terraform 3 6% optional · 3 open now · since Sep 2026
InfiniBand 2 4% required in 50% · 2 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 (9)
llama.cpp1

What AI and ML technologies does Preferred Networks use?

LLM is named in 51% of job postings at Preferred Networks, followed by Qwen (6%), VLM (4%), LLaVA (2%).

LLM 27 51% required in 93% · 27 open now · since Sep 2026
Qwen 3 6% required in 67% · 3 open now · since Sep 2026
VLM 2 4% required in 100% · 2 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 21% of job postings at Preferred Networks, followed by HPC (9%), Multimodal AI (8%), Post-training (8%).

Machine Learning 11 21% required in 91% · 11 open now · since Sep 2026
HPC 5 9% required in 100% · 5 open now · since Sep 2026
Multimodal AI 4 8% required in 100% · 4 open now · since Sep 2026
Post-training 4 8% required in 100% · 4 open now · since Sep 2026
Pre-training 4 8% required in 100% · 4 open now · since Sep 2026
RAG 3 6% required in 100% · 3 open now · since Sep 2026
CI/CD 3 6% required in 67% · 3 open now · since Sep 2026
AI Agents 2 4% required in 100% · 2 open now · since Sep 2026
Show all (30)
Fine-tuning2
Quantization2
Reinforcement Learning2
KV Cache2
SFT2
BGP1
CNN1
Computer Vision1
ETL/ELT1
Edge AI1
FinOps1
MPLS1
Prompt Engineering1
Reinforcement Learning1
SLAM1
Synthetic Data1
Vision-Language-Action1
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

25 postings
Python18
LLM13
C++12
Java9
Linux5
Unix5

Sales

7 postings
LLM6
PoC Library3

See the open roles

How does your stack fit Preferred Networks?

Sign in to compare your skills with this stack and see which open roles fit you.
Sign In

How modern is the Preferred Networks stack?

Cutting-edge AI adopter 82/100

Preferred Networks scores 82 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 223 companies in the same industries, whose stack Alion knows, that use each technology.

Python87%
LLM51%
C++61%
Java24%
AWS58%
GCP52%
Linux55%
Unix14%
GitHub36%
Kubernetes54%

What sets Preferred Networks apart

Qwen3%

Questions about the Preferred Networks tech stack

What programming languages does Preferred Networks use?

The languages named in Preferred Networks job postings are Python (53%), C++ (40%), Java (26%), Rust (13%), C# (9%), as a share of the 53 postings of the last 12 months.

Does Preferred Networks use PoC Library?

Yes. PoC Library is named in 5 of 53 job postings (9%) and required in 5 of them.

What cloud and platforms does Preferred Networks use?

The cloud and platforms named in Preferred Networks job postings are AWS (12), Linux (10), 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 (18), LLM (13), C++ (12), Java (9), out of 25 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 82 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 53 postings of the last 12 months and were updated on Sep 29, 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 53 job postings", as of Sep 29, 2026. https://alion.io/company/preferred-networks/technologies

Licence: CC BY-SA 4.0JSON