Fourthline tech stack
Fourthline builds mostly with C#. Its stack also includes PoC Library, .NET, AWS, PostgreSQL. PoC Library is named in 2 of the 4 job postings Fourthline published in the last 12 months (50%). Counted by Alion from the job postings of Fourthline, updated Oct 16, 2026.
What programming languages does Fourthline use?
C# is named in 25% of job postings at Fourthline.
C#
1 25%
What frameworks and libraries does Fourthline use?
PoC Library is named in 50% of job postings at Fourthline.
What databases does Fourthline use?
PostgreSQL is named in 25% of job postings at Fourthline.
PostgreSQL
1 25%
What cloud and platforms does Fourthline use?
.NET is named in 25% of job postings at Fourthline, followed by AWS (25%), Amazon EKS (25%), Azure (25%).
.NET
1 25%
AWS
1 25%
Amazon EKS
1 25%
Azure
1 25%
Azure DevOps
1 25%
Kubernetes
1 25%
RabbitMQ
1 25%
What developer tools does Fourthline use?
Rest API is named in 25% of job postings at Fourthline, followed by Docker (25%), Git (25%), Terraform (25%).
Which engineering practices does Fourthline ask for?
Computer Vision is named in 25% of job postings at Fourthline, followed by CI/CD (25%).
Computer Vision
1 25%
CI/CD
1 25%
How does your stack fit Fourthline?
How modern is the Fourthline stack?
Fourthline scores 70 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 Fourthline stack in its industry?
Share of the 331 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Fourthline
AutoStore
15 shared technologies
Radix Engenharia e Software
15 shared technologies
Protolabs
14 shared technologies
Uni Systems
14 shared technologies
PradeepIT Consulting Services Pvt Ltd
15 shared technologies
Future Processing
15 shared technologies
Virtusa
16 shared technologies
Magnet Forensics
14 shared technologies
Questions about the Fourthline tech stack
What programming languages does Fourthline use?
The languages named in Fourthline job postings are C# (25%), as a share of the 4 postings of the last 12 months.
Does Fourthline use PoC Library?
Yes. PoC Library is named in 2 of 4 job postings (50%) and required in 2 of them.
What cloud and platforms does Fourthline use?
The cloud and platforms named in Fourthline job postings are .NET (1), AWS (1), Amazon EKS (1) (postings in brackets).
Is the Fourthline tech stack changing?
No new technology has appeared in Fourthline job postings in the last six months.
How modern is the Fourthline tech stack?
Fourthline scores 70 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 Fourthline tech stack?
Alion reads every job posting Fourthline 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 16, 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, "Fourthline tech stack: 16 technologies from 4 job postings", as of Oct 16, 2026. https://alion.io/company/fourthline/technologies