BTSE tech stack
BTSE builds mostly with SQL, Python, JavaScript, Java. Its stack also includes PostgreSQL, AWS, Linux, FastAPI. SQL is named in 15 of the 28 job postings BTSE published in the last 12 months (54%). Counted by Alion from the job postings of BTSE, updated Oct 1, 2026.
What programming languages does BTSE use?
SQL is named in 54% of job postings at BTSE, followed by Python (50%), JavaScript (32%), Java (14%).
What frameworks and libraries does BTSE use?
FastAPI is named in 14% of job postings at BTSE, followed by Spring Boot (14%), React.js (7%), Redux (7%).
What databases does BTSE use?
PostgreSQL is named in 29% of job postings at BTSE, followed by Chroma (7%), ClickHouse (7%).
What cloud and platforms does BTSE use?
AWS is named in 25% of job postings at BTSE, followed by Linux (21%), GitLab CI (14%), Unix (14%).
AWS
7 25%
GitLab CI
4 14%
Amazon EC2
2 7%
Show all (18)
What developer tools does BTSE use?
Rest API is named in 29% of job postings at BTSE, followed by WebSockets (18%), Docker (14%), Terraform (11%).
Rest API
8 29%
WebSockets
5 18%
Docker
4 14%
Terraform
3 11%
Ansible
2 7%
Claude Code
2 7%
Copilot
2 7%
Show all (15)
What AI and ML technologies does BTSE use?
Claude is named in 14% of job postings at BTSE, followed by Gemini (7%), ChatGPT (7%).
Which engineering practices does BTSE ask for?
CI/CD is named in 21% of job postings at BTSE, followed by DeFi (11%), IAM (11%), Time Series Forecasting (11%).
CI/CD
6 21%
DeFi
3 11%
Time Series Forecasting
3 11%
AI Agents
2 7%
Function Calling
2 7%
Show all (16)
What does each BTSE team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
7 postingsData Science
4 postingsHow does your stack fit BTSE?
How is the BTSE 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 BTSE stack?
BTSE scores 87 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 BTSE stack in its industry?
Share of the 427 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like BTSE
Questions about the BTSE tech stack
What programming languages does BTSE use?
The languages named in BTSE job postings are SQL (54%), Python (50%), JavaScript (32%), Java (14%), Go (11%), as a share of the 28 postings of the last 12 months.
Does BTSE use FastAPI?
Yes. FastAPI is named in 4 of 28 job postings (14%) and required in 4 of them.
What cloud and platforms does BTSE use?
The cloud and platforms named in BTSE job postings are AWS (7), Linux (6), GitLab CI (4) (postings in brackets).
What skills do you need for a Backend job at BTSE?
Backend postings at BTSE most often require Docker (4), FastAPI (4), GitLab CI (4), JavaScript (4), out of 7 postings in the last 12 months.
Is the BTSE tech stack changing?
Yes. AI Agents, Agentic Workflows, Anthropic, Claude Code first appeared in BTSE job postings in the last six months.
How modern is the BTSE tech stack?
BTSE scores 87 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 BTSE tech stack?
Alion reads every job posting BTSE publishes and tags the technologies each one names. The figures on this page count the 28 postings of the last 12 months and were updated on Oct 1, 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, "BTSE tech stack: 70 technologies from 28 job postings", as of Oct 1, 2026. https://alion.io/company/btse/technologies