Atos tech stack
Atos builds mostly with C#, Python, JavaScript, SQL. Its stack also includes Azure, AWS, Angular, MS SQL. Azure is named in 115 of the 373 job postings Atos published in the last 12 months (31%). Counted by Alion from the job postings of Atos, updated Oct 8, 2026.
What programming languages does Atos use?
C# is named in 23% of job postings at Atos, followed by Python (20%), JavaScript (17%), SQL (13%).
C#
84 23%
Python
75 20%
JavaScript
62 17%
SQL
47 13%
Java
30 8%
ABAP
26 7%
TypeScript
26 7%
C++
21 6%
Show all (30)
What frameworks and libraries does Atos use?
Angular is named in 6% of job postings at Atos, followed by LangChain (2%), Selenium (2%), Appium (2%).
Angular
21 6%
LangChain
9 2%
Selenium
8 2%
Appium
7 2%
Spring Boot
7 2%
PyTorch
5 1%
Hibernate
4 1%
Show all (65)
And 25 more, each named in fewer postings.
What databases does Atos use?
MS SQL is named in 4% of job postings at Atos, followed by PostgreSQL (3%), Snowflake (3%), Oracle (2%).
MS SQL
14 4%
PostgreSQL
11 3%
Snowflake
11 3%
Oracle
9 2%
Delta Lake
7 2%
Azure SQL Database
6 2%
SAP BW
6 2%
Db2
5 1%
Show all (25)
What cloud and platforms does Atos use?
Azure is named in 31% of job postings at Atos, followed by AWS (26%), GCP (21%), .NET (20%).
Azure
115 31%
AWS
98 26%
GCP
80 21%
.NET
75 20%
Kubernetes
43 12%
Databricks
26 7%
Show all (99)
And 59 more, each named in fewer postings.
What developer tools does Atos use?
Rest API is named in 14% of job postings at Atos, followed by Docker (9%), Git (8%), Terraform (6%).
Rest API
52 14%
Docker
32 9%
Git
31 8%
Terraform
24 6%
Jenkins
17 5%
Ansible
16 4%
Prometheus
14 4%
Copilot
13 3%
Show all (87)
And 47 more, each named in fewer postings.
What AI and ML technologies does Atos use?
LLM is named in 3% of job postings at Atos, followed by ChatGPT (<1%), Gemini (<1%), LoRA (<1%).
Which engineering practices does Atos ask for?
HPC is named in 28% of job postings at Atos, followed by CI/CD (22%), AI Agents (13%), SOAP (9%).
HPC
106 28%
CI/CD
81 22%
AI Agents
48 13%
Platform Engineering
20 5%
RAG
16 4%
Show all (64)
And 24 more, each named in fewer postings.
What other technologies does Atos use?
CDS Views is named in 1% of job postings at Atos, followed by VSAM (1%).
What does each Atos team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Enterprise Apps
64 postingsDevOps
42 postingsBackend
31 postingsSolutions
30 postingsData Science
29 postingsSecurity
27 postingsHow does your stack fit Atos?
How is the Atos 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 Atos stack?
Atos scores 77 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: 8; legacy ones: 1.
How common is the Atos stack in its industry?
Share of the 1,429 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Atos apart
Companies with a stack like Atos
Questions about the Atos tech stack
What programming languages does Atos use?
The languages named in Atos job postings are C# (23%), Python (20%), JavaScript (17%), SQL (13%), Java (8%), as a share of the 373 postings of the last 12 months.
Does Atos use Angular?
Yes. Angular is named in 21 of 373 job postings (6%) and required in 20 of them.
What cloud and platforms does Atos use?
The cloud and platforms named in Atos job postings are Azure (115), AWS (98), GCP (80) (postings in brackets).
What skills do you need for a Enterprise Apps job at Atos?
Enterprise Apps postings at Atos most often require Rest API (20), JavaScript (18), ABAP (16), SAP BTP (10), out of 64 postings in the last 12 months.
Is the Atos tech stack changing?
Yes. Covenant, JFrog Artifactory, CICS, VSAM first appeared in Atos job postings in the last six months.
How modern is the Atos tech stack?
Atos scores 77 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: 8; legacy ones: 1.
How does Alion know the Atos tech stack?
Alion reads every job posting Atos publishes and tags the technologies each one names. The figures on this page count the 373 postings of the last 12 months and were updated on Oct 8, 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, "Atos tech stack: 380 technologies from 373 job postings", as of Oct 8, 2026. https://alion.io/company/atos/technologies