Upsun tech stack
Upsun builds mostly with Python, Go, JavaScript, PHP. Its stack also includes Linux, Okta. Python is named in 2 of the 4 job postings Upsun published in the last 12 months (50%). Counted by Alion from the job postings of Upsun, updated Oct 30, 2026.
What programming languages does Upsun use?
Python is named in 50% of job postings at Upsun, followed by Go (25%), JavaScript (25%), PHP (25%).
What cloud and platforms does Upsun use?
Linux is named in 25% of job postings at Upsun, followed by Okta (25%), Platform.sh (25%), Windows (25%).
Platform.sh 
Which engineering practices does Upsun ask for?
AI Agents is named in 100% of job postings at Upsun, followed by Agentic Workflows (25%), CI/CD (25%).
How does your stack fit Upsun?
How modern is the Upsun stack?
Upsun scores 76 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: 0; legacy ones: 0.
How common is the Upsun stack in its industry?
Share of the 455 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Upsun
Questions about the Upsun tech stack
What programming languages does Upsun use?
The languages named in Upsun job postings are Python (50%), Go (25%), JavaScript (25%), PHP (25%), Ruby (25%), as a share of the 4 postings of the last 12 months.
What cloud and platforms does Upsun use?
The cloud and platforms named in Upsun job postings are Linux (1), Okta (1), Platform.sh (1) (postings in brackets).
Is the Upsun tech stack changing?
No new technology has appeared in Upsun job postings in the last six months.
How modern is the Upsun tech stack?
Upsun scores 76 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: 0; legacy ones: 0.
How does Alion know the Upsun tech stack?
Alion reads every job posting Upsun publishes and tags the technologies each one names. The figures on this page count the 4 postings of the last 12 months and were updated on Oct 30, 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, "Upsun tech stack: 15 technologies from 4 job postings", as of Oct 30, 2026. https://alion.io/company/evolvepartnersummit/technologies