KIEFER tech stack
KIEFER builds mostly with Python, JavaScript, TypeScript, Node JS. Its stack also includes vLLM, SGLang, TGI, PyTorch. Python is named in 8 of the 15 job postings KIEFER published in the last 12 months (53%). Counted by Alion from the job postings of KIEFER, updated Sep 26, 2026.
What programming languages does KIEFER use?
Python is named in 53% of job postings at KIEFER, followed by JavaScript (27%), TypeScript (20%), Node JS (20%).
What frameworks and libraries does KIEFER use?
SGLang is named in 27% of job postings at KIEFER, followed by PyTorch (20%), Triton (20%), React Native (13%).
SGLang
4 27%
PyTorch
3 20%
React Native
2 13%
React.js
2 13%
Commander.js
1 7%
Electron
1 7%
FastAPI
1 7%
Show all (15)
What databases does KIEFER use?
PostgreSQL is named in 13% of job postings at KIEFER, followed by Redis (13%), ElasticSearch (7%), OpenSearch (7%).
What cloud and platforms does KIEFER use?
vLLM is named in 27% of job postings at KIEFER, followed by TGI (20%), Kubernetes (20%), AWS (7%).
Show all (9)
What developer tools does KIEFER use?
Docker is named in 33% of job postings at KIEFER, followed by TensorRT (20%), MQTT (13%), gRPC (13%).
Docker
5 33%
TensorRT
3 20%
MQTT
2 13%
gRPC
2 13%
Fusion 360
1 7%
SolidWorks
1 7%
Isaac Sim
1 7%
Show all (10)
What AI and ML technologies does KIEFER use?
LLM is named in 47% of job postings at KIEFER.
LLM
7 47%
Which engineering practices does KIEFER ask for?
Physical AI is named in 93% of job postings at KIEFER, followed by Fine-tuning (27%), Pre-training (27%), Quantization (27%).
Fine-tuning
4 27%
Quantization
4 27%
RAG
4 27%
Speech Recognition
4 27%
Computer Vision
3 20%
Show all (16)
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
4 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 10 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 7 | $103k | 0% |
| LLM | 6 | $143k | +40% |
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.
Questions about the KIEFER tech stack
What programming languages does KIEFER use?
The languages named in KIEFER job postings are Python (53%), JavaScript (27%), TypeScript (20%), Node JS (20%), Bash (7%), as a share of the 15 postings of the last 12 months.
Does KIEFER use SGLang?
Yes. SGLang is named in 4 of 15 job postings (27%) and required in 4 of them.
What cloud and platforms does KIEFER use?
The cloud and platforms named in KIEFER job postings are vLLM (4), 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 LLM (4), SGLang (4), vLLM (4), Docker (3), out of 4 postings in the last 12 months.
Is the KIEFER tech stack changing?
Yes. TypeScript, PostgreSQL, React Native, Redis 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 15 postings of the last 12 months and were updated on Sep 26, 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: 60 technologies from 15 job postings", as of Sep 26, 2026. https://alion.io/company/kiefer/technologies