FELFEL tech stack
FELFEL builds mostly with C#, Kotlin, JavaScript, Go. Its stack also includes Azure, Kubernetes, Bootstrap. C# is named in 3 of the 3 job postings FELFEL published in the last 12 months (100%). Counted by Alion from the job postings of FELFEL, updated Oct 11, 2026.
What programming languages does FELFEL use?
C# is named in 100% of job postings at FELFEL, followed by Kotlin (100%), JavaScript (67%), Go (33%).
What frameworks and libraries does FELFEL use?
Bootstrap is named in 67% of job postings at FELFEL.
Bootstrap
2 67%
What cloud and platforms does FELFEL use?
Azure is named in 67% of job postings at FELFEL, followed by Kubernetes (67%), Linux (67%).
What developer tools does FELFEL use?
Docker is named in 67% of job postings at FELFEL, followed by GraphQL (33%).
How does your stack fit FELFEL?
How modern is the FELFEL stack?
FELFEL scores 78 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 FELFEL stack in its industry?
Share of the 209 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like FELFEL
AXS
11 shared technologies
Principle Pride
11 shared technologies
Platform Science
12 shared technologies
Agiliad
11 shared technologies
ALSO
11 shared technologies
PradeepIT Consulting Services Pvt Ltd
12 shared technologies
OneMain Financial
11 shared technologies
Golden Hire Consultancy
11 shared technologies
Questions about the FELFEL tech stack
What programming languages does FELFEL use?
The languages named in FELFEL job postings are C# (100%), Kotlin (100%), JavaScript (67%), Go (33%), Java (33%), as a share of the 3 postings of the last 12 months.
Does FELFEL use Bootstrap?
Yes. Bootstrap is named in 2 of 3 job postings (67%) and required in 2 of them.
What cloud and platforms does FELFEL use?
The cloud and platforms named in FELFEL job postings are Azure (2), Kubernetes (2), Linux (2) (postings in brackets).
Is the FELFEL tech stack changing?
No new technology has appeared in FELFEL job postings in the last six months.
How modern is the FELFEL tech stack?
FELFEL scores 78 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 FELFEL tech stack?
Alion reads every job posting FELFEL publishes and tags the technologies each one names. The figures on this page count the 3 postings of the last 12 months and were updated on Oct 11, 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, "FELFEL tech stack: 12 technologies from 3 job postings", as of Oct 11, 2026. https://alion.io/company/felfel/technologies