KIEFER tech stack
KIEFER builds mostly with Python, TypeScript, JavaScript, Node JS. Its stack also includes PyTorch, vLLM, SGLang, TGI. Python is named in 13 of the 22 job postings KIEFER published in the last 12 months (59%). Counted by Alion from the job postings of KIEFER, updated Nov 11, 2026.
What programming languages does KIEFER use?
Python is named in 59% of job postings at KIEFER, followed by TypeScript (14%), JavaScript (14%), Node JS (9%).
What frameworks and libraries does KIEFER use?
PyTorch is named in 27% of job postings at KIEFER, followed by SGLang (23%), Triton (18%), JAX (14%).
PyTorch
6 27%
SGLang
5 23%
JAX
3 14%
TensorFlow
3 14%
React Native
2 9%
React.js
2 9%
Electron
1 5%
Show all (18)
What databases does KIEFER use?
PostgreSQL is named in 9% of job postings at KIEFER, followed by Redis (9%), ElasticSearch (5%), OpenSearch (5%).
What cloud and platforms does KIEFER use?
vLLM is named in 23% of job postings at KIEFER, followed by TGI (14%), Kubernetes (14%), Linux (9%).
Show all (12)
What developer tools does KIEFER use?
Docker is named in 23% of job postings at KIEFER, followed by TensorRT (14%), MQTT (9%), Microsoft Excel (9%).
Docker
5 23%
TensorRT
3 14%
MQTT
2 9%
gRPC
2 9%
AutoCAD
1 5%
Fusion 360
1 5%
Show all (12)
What AI and ML technologies does KIEFER use?
LLM is named in 45% of job postings at KIEFER.
LLM
10 45%
Which engineering practices does KIEFER ask for?
Physical AI is named in 95% of job postings at KIEFER, followed by Fine-tuning (32%), RAG (23%), Speech Recognition (23%).
Fine-tuning
7 32%
RAG
5 23%
Speech Recognition
5 23%
Quantization
4 18%
CI/CD
3 14%
Computer Vision
3 14%
Show all (27)
What does each KIEFER team work with?
The technologies each team's postings require most often, with the number of postings that require them.
AI/ML
8 postingsHow does your stack fit KIEFER?
How much does KIEFER pay by technology?
Median stated pay of the postings that name each technology, against the median of all KIEFER postings with stated pay: $103k across 11 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 8 | $103k | 0% |
| LLM | 7 | $112k | +9% |
How is the KIEFER 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 KIEFER stack?
KIEFER scores 74 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 1; legacy ones: 0.
How common is the KIEFER stack in its industry?
Share of the 708 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like KIEFER
Questions about the KIEFER tech stack
What programming languages does KIEFER use?
The languages named in KIEFER job postings are Python (59%), TypeScript (14%), JavaScript (14%), Node JS (9%), Bash (5%), as a share of the 22 postings of the last 12 months.
Does KIEFER use PyTorch?
Yes. PyTorch is named in 6 of 22 job postings (27%) and required in 6 of them.
What cloud and platforms does KIEFER use?
The cloud and platforms named in KIEFER job postings are vLLM (5), TGI (3), Kubernetes (3) (postings in brackets).
What skills do you need for a AI/ML job at KIEFER?
AI/ML postings at KIEFER most often require Python (7), LLM (6), PyTorch (6), SGLang (4), out of 8 postings in the last 12 months.
Is the KIEFER tech stack changing?
Yes. JAX, TensorFlow, Post-training, Microsoft Excel first appeared in KIEFER job postings in the last six months.
How modern is the KIEFER tech stack?
KIEFER scores 74 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 1; legacy ones: 0.
How does Alion know the KIEFER tech stack?
Alion reads every job posting KIEFER publishes and tags the technologies each one names. The figures on this page count the 22 postings of the last 12 months and were updated on Nov 11, 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, "KIEFER tech stack: 80 technologies from 22 job postings", as of Nov 11, 2026. https://alion.io/company/kiefer/technologies