Groupe SII tech stack
Groupe SII builds mostly with Java, Python, JavaScript, TypeScript. Its stack also includes Kubernetes, Angular, Linux, Spring Boot. Java is named in 35 of the 172 job postings Groupe SII published in the last 12 months (20%). Counted by Alion from the job postings of Groupe SII, updated Oct 13, 2026.
What programming languages does Groupe SII use?
Java is named in 20% of job postings at Groupe SII, followed by Python (20%), JavaScript (20%), TypeScript (14%).
C++ 
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What frameworks and libraries does Groupe SII use?
Angular is named in 12% of job postings at Groupe SII, followed by Spring Boot (8%), React.js (4%), Hadoop (3%).
Angular
21 12%
Spring Boot
14 8%
React.js
7 4%
Hadoop
5 3%
Vue.js
5 3%
FastAPI
4 2%
Playwright
3 2%
Qt
3 2%
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What databases does Groupe SII use?
MySQL is named in 2% of job postings at Groupe SII, followed by Db2 (1%), ElasticSearch (1%), OpenSearch (1%).
What cloud and platforms does Groupe SII use?
Kubernetes is named in 16% of job postings at Groupe SII, followed by Linux (12%), GitLab (8%), GCP (6%).
Kubernetes
27 16%
GitLab
14 8%
GCP
10 6%
.NET
7 4%
Apache Kafka
6 3%
AWS
5 3%
Grafana
5 3%
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What developer tools does Groupe SII use?
Docker is named in 11% of job postings at Groupe SII, followed by Ansible (10%), Git (6%), Rest API (6%).
Docker
19 11%
Ansible
18 10%
Git
10 6%
Rest API
10 6%
Jenkins
9 5%
Terraform
8 5%
Prometheus
4 2%
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What AI and ML technologies does Groupe SII use?
LLM is named in 5% of job postings at Groupe SII, followed by LoRA (1%), PEFT (1%).
Which engineering practices does Groupe SII ask for?
CI/CD is named in 30% of job postings at Groupe SII, followed by Machine Learning (6%), ETL/ELT (2%), GitOps (2%).
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What does each Groupe SII team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
79 postingsDevOps
22 postingsEarly Careers
18 postingsData Science
7 postingsQA
7 postingsHow does your stack fit Groupe SII?
How much does Groupe SII pay by technology?
Median stated pay of the postings that name each technology, against the median of all Groupe SII postings with stated pay: $52k across 167 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Java | 35 | $53k | +2% |
| Python | 33 | $54k | +4% |
| JavaScript | 33 | $52k | 0% |
| Kubernetes | 27 | $54k | +4% |
| TypeScript | 23 | $52k | 0% |
| C++ | 21 | $56k | +9% |
| Linux | 20 | $56k | +9% |
| Angular | 20 | $53k | +2% |
| GitLab | 14 | $56k | +9% |
| Spring Boot | 14 | $53k | +2% |
How modern is the Groupe SII stack?
Groupe SII scores 84 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: 3; legacy ones: 0.
How common is the Groupe SII stack in its industry?
Share of the 5,603 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Groupe SII apart
Companies with a stack like Groupe SII
Questions about the Groupe SII tech stack
What programming languages does Groupe SII use?
The languages named in Groupe SII job postings are Java (20%), Python (20%), JavaScript (20%), TypeScript (14%), C++ (12%), as a share of the 172 postings of the last 12 months.
Does Groupe SII use Angular?
Yes. Angular is named in 21 of 172 job postings (12%) and required in 21 of them.
What cloud and platforms does Groupe SII use?
The cloud and platforms named in Groupe SII job postings are Kubernetes (27), Linux (20), GitLab (14) (postings in brackets).
What skills do you need for a Backend job at Groupe SII?
Backend postings at Groupe SII most often require Java (29), Angular (17), Python (16), C++ (15), out of 79 postings in the last 12 months.
Is the Groupe SII tech stack changing?
No new technology has appeared in Groupe SII job postings in the last six months.
How modern is the Groupe SII tech stack?
Groupe SII scores 84 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: 3; legacy ones: 0.
How does Alion know the Groupe SII tech stack?
Alion reads every job posting Groupe SII publishes and tags the technologies each one names. The figures on this page count the 172 postings of the last 12 months and were updated on Oct 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, "Groupe SII tech stack: 110 technologies from 172 job postings", as of Oct 13, 2026. https://alion.io/company/groupe-sii/technologies