B1 tech stack
B1 builds mostly with Python, 1C, PowerShell. Its stack also includes Linux, RabbitMQ, PostgreSQL, Redis. Linux is named in 7 of the 11 job postings B1 published in the last 12 months (64%). Counted by Alion from the job postings of B1, updated Oct 25, 2026.
What programming languages does B1 use?
Python is named in 36% of job postings at B1, followed by 1C (18%), PowerShell (9%).
1C 
What frameworks and libraries does B1 use?
Alembic is named in 27% of job postings at B1, followed by Celery (27%), FastAPI (27%), LangChain (27%).
Alembic
3 27%
Celery
3 27%
FastAPI
3 27%
LangChain
3 27%
LangGraph
3 27%
Pydantic
3 27%
SQLAlchemy
3 27%
Transformers
3 27%
What databases does B1 use?
PostgreSQL is named in 27% of job postings at B1, followed by Redis (27%), OpenSearch (9%).
What cloud and platforms does B1 use?
Linux is named in 64% of job postings at B1, followed by RabbitMQ (27%), Windows (27%), DLP (18%).
Show all (10)
What developer tools does B1 use?
Docker is named in 36% of job postings at B1, followed by Git (27%), Rest API (27%), WebSockets (27%).
Docker
4 36%
Git
3 27%
Rest API
3 27%
WebSockets
3 27%
Prometheus
1 9%
VictoriaMetrics
1 9%
Show all (9)
Which engineering practices does B1 ask for?
AI Agents is named in 27% of job postings at B1, followed by CI/CD (27%), KV Cache (27%), RAG (27%).
AI Agents
3 27%
CI/CD
3 27%
RAG
3 27%
What does each B1 team work with?
The technologies each team's postings require most often, with the number of postings that require them.
AI/ML
3 postingsSecurity
3 postingsHow does your stack fit B1?
How modern is the B1 stack?
B1 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: 1; legacy ones: 0.
How common is the B1 stack in its industry?
Share of the 1,901 companies in the same industries, whose stack Alion knows, that use each technology.
What sets B1 apart
Companies with a stack like B1
Questions about the B1 tech stack
What programming languages does B1 use?
The languages named in B1 job postings are Python (36%), 1C (18%), PowerShell (9%), as a share of the 11 postings of the last 12 months.
Does B1 use Alembic?
Yes. Alembic is named in 3 of 11 job postings (27%) and required in 3 of them.
What cloud and platforms does B1 use?
The cloud and platforms named in B1 job postings are Linux (7), RabbitMQ (3), Windows (3) (postings in brackets).
What skills do you need for a AI/ML job at B1?
AI/ML postings at B1 most often require Alembic (3), Celery (3), Docker (3), FastAPI (3), out of 3 postings in the last 12 months.
Is the B1 tech stack changing?
No new technology has appeared in B1 job postings in the last six months.
How modern is the B1 tech stack?
B1 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: 1; legacy ones: 0.
How does Alion know the B1 tech stack?
Alion reads every job posting B1 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 25, 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, "B1 tech stack: 41 technologies from 11 job postings", as of Oct 25, 2026. https://alion.io/company/b1-3/technologies