fastn tech stack
fastn builds mostly with JavaScript, Python, Java, Node JS. Its stack also includes AWS, Azure, Cypress, Playwright. JavaScript is named in 4 of the 4 job postings fastn published in the last 12 months (100%). Counted by Alion from the job postings of fastn, updated Oct 12, 2026.
What programming languages does fastn use?
JavaScript is named in 100% of job postings at fastn, followed by Python (75%), Java (50%), Node JS (50%).
What frameworks and libraries does fastn use?
Cypress is named in 25% of job postings at fastn, followed by Playwright (25%), Rest-Assured (25%), Selenium (25%).
What cloud and platforms does fastn use?
AWS is named in 75% of job postings at fastn, followed by Azure (75%), GCP (75%), Apache Kafka (75%).
AWS
3 75%
Azure
3 75%
GCP
3 75%
Apache Kafka
3 75%
RabbitMQ
3 75%
Figma
1 25%
GitHub Actions
1 25%
Show all (10)
What developer tools does fastn use?
GraphQL is named in 50% of job postings at fastn, followed by CircleCI (25%), Docker (25%), Gatling (25%).
Which engineering practices does fastn ask for?
Edge AI is named in 50% of job postings at fastn, followed by CI/CD (25%).
How does your stack fit fastn?
How modern is the fastn stack?
fastn 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 fastn stack in its industry?
Share of the 955 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like fastn
Questions about the fastn tech stack
What programming languages does fastn use?
The languages named in fastn job postings are JavaScript (100%), Python (75%), Java (50%), Node JS (50%), Apex (50%), as a share of the 4 postings of the last 12 months.
Does fastn use AWS?
Yes. AWS is named in 3 of 4 job postings (75%) and required in 3 of them.
What cloud and platforms does fastn use?
The cloud and platforms named in fastn job postings are AWS (3), Azure (3), GCP (3) (postings in brackets).
Is the fastn tech stack changing?
No new technology has appeared in fastn job postings in the last six months.
How modern is the fastn tech stack?
fastn 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 fastn tech stack?
Alion reads every job posting fastn 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 12, 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, "fastn tech stack: 28 technologies from 4 job postings", as of Oct 12, 2026. https://alion.io/company/fastn/technologies