Data4cs K tech stack
Data4cs K builds mostly with Python, C++, Java, JavaScript. Its stack also includes AWS, Azure, MySQL, PoC Library. Python is named in 8 of the 19 job postings Data4cs K published in the last 12 months (42%). Counted by Alion from the job postings of Data4cs K, updated Oct 16, 2026.
What programming languages does Data4cs K use?
Python is named in 42% of job postings at Data4cs K, followed by C++ (26%), Java (5%), JavaScript (5%).
C++ 
What frameworks and libraries does Data4cs K use?
PoC Library is named in 11% of job postings at Data4cs K, followed by Django (5%), Flask (5%), NumPy (5%).
What databases does Data4cs K use?
MySQL is named in 11% of job postings at Data4cs K, followed by BigQuery (5%), Google BigQuery (5%), Oracle (5%).
BigQuery 
What cloud and platforms does Data4cs K use?
AWS is named in 37% of job postings at Data4cs K, followed by Azure (32%), Power BI (32%), Tableau (32%).
AWS
7 37%
Azure
6 32%
Power BI
6 32%
Tableau
6 32%
GCP
6 32%
Kubernetes
2 11%
.NET
1 5%
Apache Kafka
1 5%
Show all (15)
What developer tools does Data4cs K use?
Docker is named in 11% of job postings at Data4cs K, followed by Copilot (5%), Git (5%), Terraform (5%).
What AI and ML technologies does Data4cs K use?
LLM is named in 5% of job postings at Data4cs K.
LLM
1 5%
Which engineering practices does Data4cs K ask for?
ETL/ELT is named in 11% of job postings at Data4cs K, followed by FinOps (5%), IAM (5%).
What does each Data4cs K team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Data Science
6 postingsHow does your stack fit Data4cs K?
How much does Data4cs K pay by technology?
Median stated pay of the postings that name each technology, against the median of all Data4cs K postings with stated pay: $45k across 18 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 8 | $46k | +4% |
| AWS | 7 | $48k | +7% |
| Power BI | 6 | $53k | +18% |
| Tableau | 6 | $53k | +18% |
| GCP | 6 | $48k | +7% |
| Azure | 6 | $46k | +4% |
| C++ | 5 | $45k | 0% |
How is the Data4cs K 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 Data4cs K stack?
Data4cs K 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: 1; legacy ones: 0.
Companies with a stack like Data4cs K
Questions about the Data4cs K tech stack
What programming languages does Data4cs K use?
The languages named in Data4cs K job postings are Python (42%), C++ (26%), Java (5%), JavaScript (5%), MATLAB (5%), as a share of the 19 postings of the last 12 months.
Does Data4cs K use PoC Library?
Yes. PoC Library is named in 2 of 19 job postings (11%) and required in 2 of them.
What cloud and platforms does Data4cs K use?
The cloud and platforms named in Data4cs K job postings are AWS (7), Azure (6), Power BI (6) (postings in brackets).
What skills do you need for a Data Science job at Data4cs K?
Data Science postings at Data4cs K most often require Python (6), Azure (4), Power BI (4), Tableau (4), out of 6 postings in the last 12 months.
Is the Data4cs K tech stack changing?
Yes. PoC Library first appeared in Data4cs K job postings in the last six months.
How modern is the Data4cs K tech stack?
Data4cs K 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: 1; legacy ones: 0.
How does Alion know the Data4cs K tech stack?
Alion reads every job posting Data4cs K publishes and tags the technologies each one names. The figures on this page count the 19 postings of the last 12 months and were updated on Oct 16, 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, "Data4cs K tech stack: 43 technologies from 19 job postings", as of Oct 16, 2026. https://alion.io/company/data4cs/technologies