Cosinus tech stack

Cosinus builds mostly with C#, Java, SQL. Its stack also includes MS SQL, PostgreSQL, ASP.NET Core. C# is named in 4 of the 9 job postings Cosinus published in the last 12 months (44%). Counted by Alion from the job postings of Cosinus, updated Oct 21, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 21, 2026
Technologies in use
10
Postings analysed
9
Modernity
86 /100

What programming languages does Cosinus use?

C# is named in 44% of job postings at Cosinus, followed by Java (44%), SQL (44%).

C# 4 44% required in 100% · since Jul 2026
Java 4 44% required in 100% · since Jul 2026
SQL 4 44% required in 100% · since Jul 2026

What frameworks and libraries does Cosinus use?

ASP.NET Core is named in 44% of job postings at Cosinus.

ASP.NET Core 4 44% required in 100% · since Jul 2026

What databases does Cosinus use?

MS SQL is named in 44% of job postings at Cosinus, followed by PostgreSQL (44%).

MS SQL 4 44% required in 100% · since Jul 2026
PostgreSQL 4 44% required in 100% · since Jul 2026

What developer tools does Cosinus use?

Copilot is named in 56% of job postings at Cosinus, followed by Flyway (44%).

Copilot 5 56% required in 100% · since Jul 2026
Flyway 4 44% required in 100% · since Jul 2026

What AI and ML technologies does Cosinus use?

ChatGPT is named in 44% of job postings at Cosinus, followed by Midjourney (11%).

ChatGPT 4 44% required in 100% · since Jul 2026
Midjourney 1 11% required in 100% · since Aug 2026

What does each Cosinus team work with?

The technologies each team's postings require most often, with the number of postings that require them.

Product

4 postings
ChatGPT4
Copilot4

Backend

4 postings
ASP.NET Core4
C#4
Flyway4
Java4
MS SQL4
PostgreSQL4

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How modern is the Cosinus stack?

Cutting-edge AI adopter 86/100

Cosinus scores 86 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 Cosinus stack in its industry?

Share of the 611 companies in the same industries, whose stack Alion knows, that use each technology.

ASP.NET Core1%
C#8%
ChatGPT6%
Java6%
MS SQL5%
PostgreSQL8%
SQL20%
Midjourney1%

What sets Cosinus apart

ASP.NET Core1%

Questions about the Cosinus tech stack

What programming languages does Cosinus use?

The languages named in Cosinus job postings are C# (44%), Java (44%), SQL (44%), as a share of the 9 postings of the last 12 months.

Does Cosinus use ASP.NET Core?

Yes. ASP.NET Core is named in 4 of 9 job postings (44%) and required in 4 of them.

What skills do you need for a Product job at Cosinus?

Product postings at Cosinus most often require ChatGPT (4), Copilot (4), out of 4 postings in the last 12 months.

Is the Cosinus tech stack changing?

No new technology has appeared in Cosinus job postings in the last six months.

How modern is the Cosinus tech stack?

Cosinus scores 86 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 Cosinus tech stack?

Alion reads every job posting Cosinus publishes and tags the technologies each one names. The figures on this page count the 9 postings of the last 12 months and were updated on Oct 21, 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, "Cosinus tech stack: 10 technologies from 9 job postings", as of Oct 21, 2026. https://alion.io/company/cosinus/technologies

Licence: CC BY-SA 4.0JSON