ATOL tech stack
ATOL builds mostly with Python, SQL, 1C, C++. Its stack also includes Active Directory, Power BI, PostgreSQL, ClickHouse. Python is named in 6 of the 11 job postings ATOL published in the last 12 months (55%). Counted by Alion from the job postings of ATOL, updated Oct 12, 2026.
What programming languages does ATOL use?
Python is named in 55% of job postings at ATOL, followed by SQL (45%), 1C (18%), C++ (9%).
1C 
What frameworks and libraries does ATOL use?
FastAPI is named in 9% of job postings at ATOL, followed by Matplotlib (9%), Pandas (9%), Plotly (9%).
What databases does ATOL use?
PostgreSQL is named in 18% of job postings at ATOL, followed by ClickHouse (9%).
PostgreSQL
2 18%
ClickHouse
1 9%
What cloud and platforms does ATOL use?
Active Directory is named in 18% of job postings at ATOL, followed by Power BI (18%), Superset (18%), Windows (18%).
Power BI
2 18%
Apache Kafka
1 9%
Figma
1 9%
RabbitMQ
1 9%
Show all (9)
What developer tools does ATOL use?
Git is named in 9% of job postings at ATOL, followed by MQTT (9%), Rest API (9%), WebSockets (9%).
What AI and ML technologies does ATOL use?
Claude is named in 9% of job postings at ATOL.
Claude
1 9%
Which engineering practices does ATOL ask for?
ETL/ELT is named in 18% of job postings at ATOL, followed by Incident Management (9%), SLI/SLO/SLA (9%), TCP/IP (9%).
How does your stack fit ATOL?
How modern is the ATOL stack?
ATOL 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: 1; legacy ones: 0.
How common is the ATOL stack in its industry?
Share of the 145 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like ATOL
Questions about the ATOL tech stack
What programming languages does ATOL use?
The languages named in ATOL job postings are Python (55%), SQL (45%), 1C (18%), C++ (9%), Go (9%), as a share of the 11 postings of the last 12 months.
Does ATOL use Active Directory?
Yes. Active Directory is named in 2 of 11 job postings (18%) and required in 2 of them.
What cloud and platforms does ATOL use?
The cloud and platforms named in ATOL job postings are Active Directory (2), Power BI (2), Superset (2) (postings in brackets).
Is the ATOL tech stack changing?
No new technology has appeared in ATOL job postings in the last six months.
How modern is the ATOL tech stack?
ATOL 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: 1; legacy ones: 0.
How does Alion know the ATOL tech stack?
Alion reads every job posting ATOL publishes and tags the technologies each one names. The figures on this page count the 11 postings of the last 12 months and were updated on Oct 12, 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, "ATOL tech stack: 36 technologies from 11 job postings", as of Oct 12, 2026. https://alion.io/company/atol/technologies