HDR tech stack
HDR builds mostly with Prolog, Python, SQL, C#. Its stack also includes Power BI, Windows, Snowflake, Matplotlib. Prolog is named in 39 of the 691 job postings HDR published in the last 12 months (6%). Counted by Alion from the job postings of HDR, updated Nov 14, 2026.
What programming languages does HDR use?
Prolog is named in 6% of job postings at HDR, followed by Python (3%), SQL (2%), C# (1%).
Prolog
39 6%
Python
24 3%
SQL
16 2%
C#
5 1%
JavaScript
5 1%
MATLAB
4 1%
Visual Basic
3 <1%
Java
2 <1%
Show all (17)
What frameworks and libraries does HDR use?
Matplotlib is named in <1% of job postings at HDR, followed by Pandas (<1%), Plotly (<1%), Seaborn (<1%).
Matplotlib
3 <1%
Pandas
3 <1%
Seaborn
3 <1%
MAUI
2 <1%
Bootstrap
1 <1%
React.js
1 <1%
Show all (9)
What databases does HDR use?
Snowflake is named in 2% of job postings at HDR, followed by Oracle (<1%).
What cloud and platforms does HDR use?
Power BI is named in 3% of job postings at HDR, followed by Windows (2%), Tableau (1%), Azure (1%).
Power BI
20 3%
Tableau
8 1%
Azure
7 1%
.NET
3 <1%
Azure DevOps
3 <1%
AWS
2 <1%
Show all (17)
What developer tools does HDR use?
AutoCAD is named in 77% of job postings at HDR, followed by Adobe Photoshop (7%), Microsoft Excel (4%), Copilot (1%).
AutoCAD
531 77%
Adobe Photoshop
45 7%
Copilot
5 1%
Adobe Illustrator
4 1%
Adobe InDesign
4 1%
Show all (24)
Which engineering practices does HDR ask for?
EVMS is named in 1% of job postings at HDR, followed by ETL/ELT (1%), CI/CD (1%), Machine Learning (1%).
CI/CD
6 1%
FinOps
2 <1%
AI Agents
2 <1%
Show all (14)
What does each HDR team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Operations
44 postingsField & Service
33 postingsHow does your stack fit HDR?
How is the HDR 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 HDR stack?
HDR scores 65 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: 0; legacy ones: 1.
How common is the HDR stack in its industry?
Share of the 5,295 companies in the same industries, whose stack Alion knows, that use each technology.
What sets HDR apart
Companies with a stack like HDR
Questions about the HDR tech stack
What programming languages does HDR use?
The languages named in HDR job postings are Prolog (6%), Python (3%), SQL (2%), C# (1%), JavaScript (1%), as a share of the 691 postings of the last 12 months.
Does HDR use Power BI?
Yes. Power BI is named in 20 of 691 job postings (3%) and required in 8 of them.
What cloud and platforms does HDR use?
The cloud and platforms named in HDR job postings are Power BI (20), Windows (16), Tableau (8) (postings in brackets).
What skills do you need for a Operations job at HDR?
Operations postings at HDR most often require Microsoft Excel (3), Python (2), out of 44 postings in the last 12 months.
Is the HDR tech stack changing?
Yes. NERC CIP, SAS, SPSS, ANSYS first appeared in HDR job postings in the last six months.
How modern is the HDR tech stack?
HDR scores 65 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: 0; legacy ones: 1.
How does Alion know the HDR tech stack?
Alion reads every job posting HDR publishes and tags the technologies each one names. The figures on this page count the 691 postings of the last 12 months and were updated on Nov 14, 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, "HDR tech stack: 83 technologies from 691 job postings", as of Nov 14, 2026. https://alion.io/company/hdrinc/technologies