GCSB tech stack
GCSB builds mostly with Python, C#, C++. Its stack also includes .NET, GitLab. Python is named in 2 of the 3 job postings GCSB published in the last 12 months (67%). Counted by Alion from the job postings of GCSB, updated Oct 11, 2026.
What programming languages does GCSB use?
Python is named in 67% of job postings at GCSB, followed by C# (67%), C++ (67%).
C# 
What cloud and platforms does GCSB use?
.NET is named in 67% of job postings at GCSB, followed by GitLab (33%), Linux (33%), Windows (33%).
What developer tools does GCSB use?
Docker is named in 67% of job postings at GCSB, followed by Ansible (33%), Terraform (33%).
Which engineering practices does GCSB ask for?
CI/CD is named in 33% of job postings at GCSB, followed by ETL/ELT (33%).
How does your stack fit GCSB?
How modern is the GCSB stack?
GCSB scores 78 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: 0; legacy ones: 0.
How common is the GCSB stack in its industry?
Share of the 126 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like GCSB
Questions about the GCSB tech stack
What programming languages does GCSB use?
The languages named in GCSB job postings are Python (67%), C# (67%), C++ (67%), as a share of the 3 postings of the last 12 months.
Does GCSB use .NET?
Yes. .NET is named in 2 of 3 job postings (67%) and required in 1 of them.
What cloud and platforms does GCSB use?
The cloud and platforms named in GCSB job postings are .NET (2), GitLab (1), Linux (1) (postings in brackets).
Is the GCSB tech stack changing?
No new technology has appeared in GCSB job postings in the last six months.
How modern is the GCSB tech stack?
GCSB scores 78 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: 0; legacy ones: 0.
How does Alion know the GCSB tech stack?
Alion reads every job posting GCSB publishes and tags the technologies each one names. The figures on this page count the 3 postings of the last 12 months and were updated on Oct 11, 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, "GCSB tech stack: 13 technologies from 3 job postings", as of Oct 11, 2026. https://alion.io/company/gcsb/technologies