HSI tech stack
HSI builds mostly with PowerShell, Python. Its stack also includes Azure DevOps, Azure, MySQL, PostgreSQL. Claude is named in 3 of the 8 job postings HSI published in the last 12 months (38%). Counted by Alion from the job postings of HSI, updated Sep 29, 2026.
What programming languages does HSI use?
PowerShell is named in 13% of job postings at HSI, followed by Python (13%).
PowerShell
1 13%
Python
1 13%
What frameworks and libraries does HSI use?
Ignite is named in 13% of job postings at HSI, followed by Playwright (13%), PyTorch (13%).
What databases does HSI use?
MySQL is named in 13% of job postings at HSI, followed by PostgreSQL (13%).
MySQL
1 13%
PostgreSQL
1 13%
What cloud and platforms does HSI use?
Azure DevOps is named in 25% of job postings at HSI, followed by Azure (25%), AWS (13%), Anthropic (13%).
Azure DevOps
2 25%
Azure
2 25%
AWS
1 13%
GitHub
1 13%
GitHub Actions
1 13%
Show all (12)
What developer tools does HSI use?
Copilot is named in 25% of job postings at HSI, followed by Model Context Protocol (13%), CircleCI (13%), Git (13%).
What AI and ML technologies does HSI use?
Claude is named in 38% of job postings at HSI, followed by ChatGPT (13%).
Which engineering practices does HSI ask for?
CI/CD is named in 38% of job postings at HSI, followed by Machine Learning (25%), IAM (13%), RAG (13%).
How does your stack fit HSI?
How is the HSI 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 HSI stack?
HSI scores 86 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: 2; legacy ones: 0.
How common is the HSI stack in its industry?
Share of the 194 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like HSI
Questions about the HSI tech stack
What programming languages does HSI use?
The languages named in HSI job postings are PowerShell (13%), Python (13%), as a share of the 8 postings of the last 12 months.
Does HSI use Azure DevOps?
Yes. Azure DevOps is named in 2 of 8 job postings (25%) and required in 1 of them.
What cloud and platforms does HSI use?
The cloud and platforms named in HSI job postings are Azure DevOps (2), Azure (2), AWS (1) (postings in brackets).
Is the HSI tech stack changing?
Yes. Copilot, Machine Learning first appeared in HSI job postings in the last six months.
How modern is the HSI tech stack?
HSI scores 86 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: 2; legacy ones: 0.
How does Alion know the HSI tech stack?
Alion reads every job posting HSI publishes and tags the technologies each one names. The figures on this page count the 8 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, "HSI tech stack: 33 technologies from 8 job postings", as of Sep 29, 2026. https://alion.io/company/hsi/technologies