SIMSYS tech stack
SIMSYS builds mostly with JavaScript, SQL, C#. Its stack also includes AWS, Azure, ASP.NET Core. AWS is named in 3 of the 4 job postings SIMSYS published in the last 12 months (75%). Counted by Alion from the job postings of SIMSYS, updated Oct 30, 2026.
What programming languages does SIMSYS use?
JavaScript is named in 50% of job postings at SIMSYS, followed by SQL (50%), C# (25%).
What frameworks and libraries does SIMSYS use?
ASP.NET Core is named in 25% of job postings at SIMSYS.
ASP.NET Core
1 25%
What cloud and platforms does SIMSYS use?
AWS is named in 75% of job postings at SIMSYS, followed by Azure (75%), GCP (25%).
What developer tools does SIMSYS use?
Microsoft Excel is named in 25% of job postings at SIMSYS.
Which engineering practices does SIMSYS ask for?
CI/CD is named in 25% of job postings at SIMSYS, followed by Incident Management (25%).
CI/CD
1 25%
Incident Management
1 25%
How does your stack fit SIMSYS?
How modern is the SIMSYS stack?
SIMSYS scores 70 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: 0.
How common is the SIMSYS stack in its industry?
Share of the 4,749 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like SIMSYS
Questions about the SIMSYS tech stack
What programming languages does SIMSYS use?
The languages named in SIMSYS job postings are JavaScript (50%), SQL (50%), C# (25%), as a share of the 4 postings of the last 12 months.
Does SIMSYS use AWS?
Yes. AWS is named in 3 of 4 job postings (75%) and required in 3 of them.
What cloud and platforms does SIMSYS use?
The cloud and platforms named in SIMSYS job postings are AWS (3), Azure (3), GCP (1) (postings in brackets).
Is the SIMSYS tech stack changing?
No new technology has appeared in SIMSYS job postings in the last six months.
How modern is the SIMSYS tech stack?
SIMSYS scores 70 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: 0.
How does Alion know the SIMSYS tech stack?
Alion reads every job posting SIMSYS publishes and tags the technologies each one names. The figures on this page count the 4 postings of the last 12 months and were updated on Oct 30, 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, "SIMSYS tech stack: 10 technologies from 4 job postings", as of Oct 30, 2026. https://alion.io/company/simsys/technologies