CGI tech stack
CGI builds mostly with Java, Python, SQL, JavaScript. Its stack also includes Azure, Kubernetes, Redis, Cassandra. Azure is named in 8 of the 15 job postings CGI published in the last 12 months (53%). Counted by Alion from the job postings of CGI, updated Sep 28, 2026.
What programming languages does CGI use?
Java is named in 33% of job postings at CGI, followed by Python (33%), SQL (33%), JavaScript (33%).
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What frameworks and libraries does CGI use?
ASP.NET Core is named in 13% of job postings at CGI, followed by JAX (13%), Playwright (13%), Hazelcast (13%).
ASP.NET Core
2 13%
JAX
2 13%
Playwright
2 13%
Hazelcast
2 13%
Micronaut
2 13%
Quarkus
2 13%
Angular
1 7%
OpenTelemetry
1 7%
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What databases does CGI use?
Redis is named in 27% of job postings at CGI, followed by Cassandra (13%), MS SQL (7%), Neo4j (7%).
What cloud and platforms does CGI use?
Azure is named in 53% of job postings at CGI, followed by Kubernetes (53%), Apache Kafka (33%), AWS (33%).
Azure
8 53%
Kubernetes
8 53%
Apache Kafka
5 33%
AWS
5 33%
Azure DevOps
3 20%
GCP
3 20%
GitHub Actions
3 20%
GitHub
2 13%
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What developer tools does CGI use?
Jenkins is named in 47% of job postings at CGI, followed by Docker (40%), Git (33%), Rest API (33%).
Jenkins
7 47%
Docker
6 40%
Git
5 33%
Rest API
5 33%
Copilot
3 20%
Prometheus
3 20%
Cursor
2 13%
GraphQL
2 13%
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What AI and ML technologies does CGI use?
Claude is named in 7% of job postings at CGI, followed by LLM (7%).
Which engineering practices does CGI ask for?
CI/CD is named in 67% of job postings at CGI, followed by Machine Learning (13%), AI Agents (7%), ETL/ELT (7%).
CI/CD
10 67%
AI Agents
1 7%
NLP
1 7%
Platform Engineering
1 7%
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What does each CGI team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
7 postingsQA
3 postingsHow does your stack fit CGI?
How modern is the CGI stack?
CGI scores 83 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 CGI stack in its industry?
Share of the 1,576 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like CGI
Questions about the CGI tech stack
What programming languages does CGI use?
The languages named in CGI job postings are Java (33%), Python (33%), SQL (33%), JavaScript (33%), C# (20%), as a share of the 15 postings of the last 12 months.
Does CGI use ASP.NET Core?
Yes. ASP.NET Core is named in 2 of 15 job postings (13%) and required in 2 of them.
What cloud and platforms does CGI use?
The cloud and platforms named in CGI job postings are Azure (8), Kubernetes (8), Apache Kafka (5) (postings in brackets).
What skills do you need for a Backend job at CGI?
Backend postings at CGI most often require Apache Kafka (5), Kubernetes (5), AWS (4), Azure (4), out of 7 postings in the last 12 months.
Is the CGI tech stack changing?
No new technology has appeared in CGI job postings in the last six months.
How modern is the CGI tech stack?
CGI scores 83 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 CGI tech stack?
Alion reads every job posting CGI publishes and tags the technologies each one names. The figures on this page count the 15 postings of the last 12 months and were updated on Sep 28, 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, "CGI tech stack: 79 technologies from 15 job postings", as of Sep 28, 2026. https://alion.io/company/cgi/technologies