Duet tech stack
Duet builds mostly with Python, JavaScript. Its stack also includes AWS, Apollo, Google BigQuery, Snowflake. Python is named in 4 of the 6 job postings Duet published in the last 12 months (67%). Counted by Alion from the job postings of Duet, updated Oct 23, 2026.
What programming languages does Duet use?
Python is named in 67% of job postings at Duet, followed by JavaScript (50%).
Python
4 67%
JavaScript
3 50%
What frameworks and libraries does Duet use?
Next.js is named in 17% of job postings at Duet, followed by React.js (17%).
What databases does Duet use?
Google BigQuery is named in 17% of job postings at Duet, followed by Snowflake (17%).
Google BigQuery
1 17%
Snowflake
1 17%
What cloud and platforms does Duet use?
AWS is named in 17% of job postings at Duet, followed by Apollo (17%), GCP (17%).
What developer tools does Duet use?
Microsoft Excel is named in 17% of job postings at Duet, followed by Rest API (17%).
Rest API
1 17%
What AI and ML technologies does Duet use?
ChatGPT is named in 17% of job postings at Duet, followed by Claude (17%).
Which engineering practices does Duet ask for?
Human-in-the-Loop is named in 33% of job postings at Duet.
How does your stack fit Duet?
How is the Duet 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 Duet stack?
Duet scores 89 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: 2; legacy ones: 0.
How common is the Duet stack in its industry?
Share of the 168 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Duet
Questions about the Duet tech stack
What programming languages does Duet use?
The languages named in Duet job postings are Python (67%), JavaScript (50%), as a share of the 6 postings of the last 12 months.
What cloud and platforms does Duet use?
The cloud and platforms named in Duet job postings are AWS (1), Apollo (1), GCP (1) (postings in brackets).
Is the Duet tech stack changing?
Yes. Python, JavaScript, Human-in-the-Loop first appeared in Duet job postings in the last six months.
How modern is the Duet tech stack?
Duet scores 89 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: 2; legacy ones: 0.
How does Alion know the Duet tech stack?
Alion reads every job posting Duet publishes and tags the technologies each one names. The figures on this page count the 6 postings of the last 12 months and were updated on Oct 23, 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, "Duet tech stack: 14 technologies from 6 job postings", as of Oct 23, 2026. https://alion.io/company/joinduet/technologies