Scarlet tech stack
Scarlet builds mostly with Clojure. Clojure is named in 1 of the 12 job postings Scarlet published in the last 12 months (8%). Counted by Alion from the job postings of Scarlet, updated Oct 5, 2026.
What programming languages does Scarlet use?
Clojure is named in 8% of job postings at Scarlet.
Clojure
1 8%
What AI and ML technologies does Scarlet use?
Claude is named in 8% of job postings at Scarlet.
Claude
1 8%
Which engineering practices does Scarlet ask for?
AI Agents is named in 100% of job postings at Scarlet, followed by Machine Learning (17%), Hallucination (8%), Embeddings (8%).
AI Agents
12 100%
Hallucination
1 8%
Embeddings
1 8%
Fine-tuning
1 8%
Function Calling
1 8%
RAG
1 8%
How does your stack fit Scarlet?
How is the Scarlet 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 Scarlet stack?
Scarlet 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 Scarlet stack in its industry?
Share of the 163 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Scarlet
Questions about the Scarlet tech stack
What programming languages does Scarlet use?
The languages named in Scarlet job postings are Clojure (8%), as a share of the 12 postings of the last 12 months.
Is the Scarlet tech stack changing?
Yes. Machine Learning first appeared in Scarlet job postings in the last six months.
How modern is the Scarlet tech stack?
Scarlet 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 Scarlet tech stack?
Alion reads every job posting Scarlet publishes and tags the technologies each one names. The figures on this page count the 12 postings of the last 12 months and were updated on Oct 5, 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, "Scarlet tech stack: 10 technologies from 12 job postings", as of Oct 5, 2026. https://alion.io/company/scarlet/technologies