Cafeyn tech stack
Cafeyn builds mostly with Python, Kotlin, Swift. Its stack also includes Android SDK, Braze. Python is named in 2 of the 6 job postings Cafeyn published in the last 12 months (33%). Counted by Alion from the job postings of Cafeyn, updated Oct 19, 2026.
What programming languages does Cafeyn use?
Python is named in 33% of job postings at Cafeyn, followed by Kotlin (17%), Swift (17%).
What cloud and platforms does Cafeyn use?
Android SDK is named in 17% of job postings at Cafeyn, followed by Braze (17%).
What developer tools does Cafeyn use?
GraphQL is named in 17% of job postings at Cafeyn, followed by Rest API (17%).
Which engineering practices does Cafeyn ask for?
A/B Testing is named in 17% of job postings at Cafeyn, followed by CI/CD (17%).
How does your stack fit Cafeyn?
How modern is the Cafeyn stack?
Cafeyn scores 73 out of 100 (Modern). 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 Cafeyn stack in its industry?
Share of the 717 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Cafeyn
Questions about the Cafeyn tech stack
What programming languages does Cafeyn use?
The languages named in Cafeyn job postings are Python (33%), Kotlin (17%), Swift (17%), as a share of the 6 postings of the last 12 months.
What cloud and platforms does Cafeyn use?
The cloud and platforms named in Cafeyn job postings are Android SDK (1), Braze (1) (postings in brackets).
Is the Cafeyn tech stack changing?
No new technology has appeared in Cafeyn job postings in the last six months.
How modern is the Cafeyn tech stack?
Cafeyn scores 73 out of 100 (Modern). 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 Cafeyn tech stack?
Alion reads every job posting Cafeyn 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 19, 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, "Cafeyn tech stack: 9 technologies from 6 job postings", as of Oct 19, 2026. https://alion.io/company/cafeyn/technologies
