Assystem tech stack
Assystem builds mostly with Python, SQL, Java, C#. Its stack also includes Power BI, .NET, Angular, PostgreSQL. Python is named in 61 of the 370 job postings Assystem published in the last 12 months (16%). Counted by Alion from the job postings of Assystem, updated Nov 13, 2026.
What programming languages does Assystem use?
Python is named in 16% of job postings at Assystem, followed by SQL (9%), Java (7%), C# (6%).
Python
61 16%
SQL
32 9%
Java
25 7%
C#
24 6%
JavaScript
18 5%
TypeScript
13 4%
C++
11 3%
Node JS
4 1%
Show all (14)
What frameworks and libraries does Assystem use?
Angular is named in 4% of job postings at Assystem, followed by React.js (1%), Blazor (1%), Hadoop (1%).
Angular
13 4%
React.js
4 1%
Blazor
3 1%
Hadoop
3 1%
Hibernate
3 1%
Vue.js
3 1%
Laravel
2 1%
Symfony
2 1%
Show all (19)
What databases does Assystem use?
PostgreSQL is named in 3% of job postings at Assystem, followed by MS SQL (2%), MySQL (1%), Oracle (1%).
What cloud and platforms does Assystem use?
Power BI is named in 13% of job postings at Assystem, followed by .NET (5%), Azure (4%), GitLab (3%).
Power BI
49 13%
.NET
19 5%
Azure
14 4%
GitLab
10 3%
SonarQube
7 2%
AWS
6 2%
Show all (29)
What developer tools does Assystem use?
AutoCAD is named in 24% of job postings at Assystem, followed by ANSYS (11%), Siemens NX (8%), SolidWorks (6%).
AutoCAD
88 24%
SolidWorks
23 6%
Show all (28)
What AI and ML technologies does Assystem use?
LLM is named in 2% of job postings at Assystem.
LLM
7 2%
Which engineering practices does Assystem ask for?
HPC is named in 4% of job postings at Assystem, followed by MBSE (4%), CI/CD (4%), Verification & Validation (3%).
HPC
16 4%
CI/CD
14 4%
Mixture of Experts
4 1%
Show all (29)
What does each Assystem team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Industrial Engineering
169 postingsBackend
30 postingsEarly Careers
30 postingsField & Service
20 postingsHardware
19 postingsHow does your stack fit Assystem?
How much does Assystem pay by technology?
Median stated pay of the postings that name each technology, against the median of all Assystem postings with stated pay: $53k across 121 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 38 | $18k | −67% |
| SQL | 20 | $53k | 0% |
| C# | 18 | $57k | +9% |
| Power BI | 17 | $59k | +11% |
| Java | 15 | $58k | +10% |
| .NET | 14 | $58k | +10% |
| PostgreSQL | 9 | $57k | +9% |
| C++ | 8 | $53k | 0% |
| JavaScript | 8 | $34k | −36% |
| GitLab | 8 | $34k | −36% |
How is the Assystem 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 Assystem stack?
Assystem scores 71 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: 1.
How common is the Assystem stack in its industry?
Share of the 2,116 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Assystem apart
Companies with a stack like Assystem
Questions about the Assystem tech stack
What programming languages does Assystem use?
The languages named in Assystem job postings are Python (16%), SQL (9%), Java (7%), C# (6%), JavaScript (5%), as a share of the 370 postings of the last 12 months.
Does Assystem use Angular?
Yes. Angular is named in 13 of 370 job postings (4%) and required in 12 of them.
What cloud and platforms does Assystem use?
The cloud and platforms named in Assystem job postings are Power BI (49), .NET (19), Azure (14) (postings in brackets).
What skills do you need for a Industrial Engineering job at Assystem?
Industrial Engineering postings at Assystem most often require AutoCAD (68), ANSYS (24), SolidWorks (18), Siemens NX (16), out of 169 postings in the last 12 months.
Is the Assystem tech stack changing?
Yes. Incident Management, DHCP, TCP/IP, Laravel first appeared in Assystem job postings in the last six months.
How modern is the Assystem tech stack?
Assystem scores 71 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: 1.
How does Alion know the Assystem tech stack?
Alion reads every job posting Assystem publishes and tags the technologies each one names. The figures on this page count the 370 postings of the last 12 months and were updated on Nov 13, 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, "Assystem tech stack: 125 technologies from 370 job postings", as of Nov 13, 2026. https://alion.io/company/assystem/technologies