St1 tech stack
St1 builds mostly with C#, Node JS, Python, SQL. Its stack also includes .NET, Azure, Nest.JS, Next.js. LLM is named in 2 of the 3 job postings St1 published in the last 12 months (67%). Counted by Alion from the job postings of St1, updated Nov 6, 2026.
What programming languages does St1 use?
C# is named in 33% of job postings at St1, followed by Node JS (33%), Python (33%), SQL (33%).
What frameworks and libraries does St1 use?
Nest.JS is named in 33% of job postings at St1, followed by Next.js (33%), React.js (33%), Vue.js (33%).
What cloud and platforms does St1 use?
.NET is named in 33% of job postings at St1, followed by Azure (33%), Databricks (33%), GCP (33%).
What developer tools does St1 use?
Model Context Protocol is named in 33% of job postings at St1.
Model Context Protocol
1 33%
Which engineering practices does St1 ask for?
AI Agents is named in 67% of job postings at St1, followed by Machine Learning (67%), CI/CD (33%), RAG (33%).
How does your stack fit St1?
How modern is the St1 stack?
St1 scores 86 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 St1 stack in its industry?
Share of the 469 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like St1
Questions about the St1 tech stack
What programming languages does St1 use?
The languages named in St1 job postings are C# (33%), Node JS (33%), Python (33%), SQL (33%), TypeScript (33%), as a share of the 3 postings of the last 12 months.
What cloud and platforms does St1 use?
The cloud and platforms named in St1 job postings are .NET (1), Azure (1), Databricks (1) (postings in brackets).
Is the St1 tech stack changing?
No new technology has appeared in St1 job postings in the last six months.
How modern is the St1 tech stack?
St1 scores 86 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 St1 tech stack?
Alion reads every job posting St1 publishes and tags the technologies each one names. The figures on this page count the 3 postings of the last 12 months and were updated on Nov 6, 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, "St1 tech stack: 22 technologies from 3 job postings", as of Nov 6, 2026. https://alion.io/company/st1/technologies