Klarstein tech stack

Klarstein builds mostly with SQL, C#, PHP, Python. Its stack also includes Azure, Power BI, Azure Cosmos DB, ASP.NET Core. SQL is named in 3 of the 5 job postings Klarstein published in the last 12 months (60%). Counted by Alion from the job postings of Klarstein, updated Oct 10, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 10, 2026
Technologies in use
32
Postings analysed
5
Open now
5
Modernity
82 /100
New in 6 months
8

What programming languages does Klarstein use?

SQL is named in 60% of job postings at Klarstein, followed by C# (40%), PHP (40%), Python (20%).

SQL 3 60% required in 100% · 3 open now · since Apr 2026
C# 2 40% required in 100% · 2 open now · since Aug 2026
PHP 2 40% required in 100% · 2 open now · since Aug 2026
Python 1 20% optional · 1 open now · since Apr 2026

What frameworks and libraries does Klarstein use?

ASP.NET Core is named in 40% of job postings at Klarstein, followed by Entity Framework Core (40%).

ASP.NET Core 2 40% required in 100% · 2 open now · since Aug 2026
Entity Framework Core 2 40% required in 100% · 2 open now · since Aug 2026

What databases does Klarstein use?

Azure Cosmos DB is named in 40% of job postings at Klarstein, followed by MS SQL (20%).

Azure Cosmos DB 2 40% required in 100% · 2 open now · since Aug 2026
MS SQL 1 20% required in 100% · 1 open now · since Sep 2026

What cloud and platforms does Klarstein use?

Azure is named in 60% of job postings at Klarstein, followed by Power BI (40%), Active Directory (20%), Linux (20%).

Azure 3 60% required in 100% · 3 open now · since Aug 2026
Power BI 2 40% required in 100% · 2 open now · since Apr 2026
Active Directory 1 20% required in 100% · 1 open now · since Sep 2026
Linux 1 20% required in 100% · 1 open now · since Sep 2026
Microsoft Entra ID 1 20% required in 100% · 1 open now · since Sep 2026
VMWare 1 20% required in 100% · 1 open now · since Sep 2026
Windows 1 20% required in 100% · 1 open now · since Sep 2026
Windows Server 1 20% required in 100% · 1 open now · since Sep 2026
Show all (9)
Microsoft Fabric1

What developer tools does Klarstein use?

Copilot is named in 60% of job postings at Klarstein, followed by Rest API (40%), Swagger (40%), Terraform (40%).

Copilot 3 60% optional · 3 open now · since Apr 2026
Rest API 2 40% required in 100% · 2 open now · since Aug 2026
Swagger 2 40% required in 100% · 2 open now · since Aug 2026
Terraform 2 40% required in 100% · 2 open now · since Aug 2026
Cursor 2 40% optional · 2 open now · since Aug 2026
Windsurf 2 40% optional · 2 open now · since Aug 2026

What AI and ML technologies does Klarstein use?

Claude is named in 60% of job postings at Klarstein, followed by ChatGPT (40%).

Claude 3 60% optional · 3 open now · since Apr 2026
ChatGPT 2 40% required in 50% · 2 open now · since Apr 2026

Which engineering practices does Klarstein ask for?

CI/CD is named in 40% of job postings at Klarstein, followed by SOAP (40%), Clean Architecture (40%), DHCP (20%).

CI/CD 2 40% required in 100% · 2 open now · since Aug 2026
SOAP 2 40% required in 100% · 2 open now · since Aug 2026
Clean Architecture 2 40% optional · 2 open now · since Aug 2026
DHCP 1 20% required in 100% · 1 open now · since Sep 2026
DNS 1 20% required in 100% · 1 open now · since Sep 2026
TCP/IP 1 20% required in 100% · 1 open now · since Sep 2026
VLAN 1 20% required in 100% · 1 open now · since Sep 2026

How does your stack fit Klarstein?

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How is the Klarstein stack changing?

Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.

First appeared
AzureAug 2026
ASP.NET CoreAug 2026
Azure Cosmos DBAug 2026
C#Aug 2026
CI/CDAug 2026
Entity Framework CoreAug 2026
PHPAug 2026
Rest APIAug 2026

How modern is the Klarstein stack?

Cutting-edge AI adopter 82/100

Klarstein scores 82 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: 2; legacy ones: 0.

How common is the Klarstein stack in its industry?

Share of the 140 companies in the same industries, whose stack Alion knows, that use each technology.

Azure19%
Claude10%
SQL26%
ASP.NET Core4%
Azure Cosmos DB1%
C#14%
ChatGPT11%
Entity Framework Core4%
PHP18%
Power BI24%

Questions about the Klarstein tech stack

What programming languages does Klarstein use?

The languages named in Klarstein job postings are SQL (60%), C# (40%), PHP (40%), Python (20%), as a share of the 5 postings of the last 12 months.

Does Klarstein use ASP.NET Core?

Yes. ASP.NET Core is named in 2 of 5 job postings (40%) and required in 2 of them.

What cloud and platforms does Klarstein use?

The cloud and platforms named in Klarstein job postings are Azure (3), Power BI (2), Active Directory (1) (postings in brackets).

Is the Klarstein tech stack changing?

Yes. Azure, ASP.NET Core, Azure Cosmos DB, C# first appeared in Klarstein job postings in the last six months.

How modern is the Klarstein tech stack?

Klarstein scores 82 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: 2; legacy ones: 0.

How does Alion know the Klarstein tech stack?

Alion reads every job posting Klarstein publishes and tags the technologies each one names. The figures on this page count the 5 postings of the last 12 months and were updated on Oct 10, 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, "Klarstein tech stack: 32 technologies from 5 job postings", as of Oct 10, 2026. https://alion.io/company/klarstein-com/technologies

Licence: CC BY-SA 4.0JSON