Cosinus
cosinus.pl
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Technologies
Salaries
Products
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Growth
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Financials
Overview
Cosinus is a major educational network in Poland that specializes in providing adult education, vocational training, and secondary schooling options. The institution offers flexible learning formats - including post-secondary courses, high school diploma programs, and specialized career qualifications - designed to help students upgrade their practical skills for the job market. Operating nationwide, it is widely recognized for making professional advancement accessible through cost-effective and tuition-free educational tracks.
Technologies
Tech DNA
C#
SQL
Java
ASP.NET Core
Appium
Playwright
MS SQL
PostgreSQL
ChatGPT
Midjourney
QA
C#
SQL
Java
JavaScript
Python
TypeScript
ASP.NET Core
Flyway
Appium
Chrome DevTools
Playwright
Postman
Selenium
AI/ML
Copilot
ChatGPT
Midjourney
MS SQL
PostgreSQL
Other
Jira
Confluence
Hotjar
Stack modernity
84/100
How modern this stack is, based on technology relevance, AI adoption and the share of legacy tools.
In-demand technologies
Copilot
2 jobs
Required
ChatGPT
1 job
Required
Confluence
1 job
Required
Jira
1 job
Required
Java
1 job
Required
SQL
1 job
Required
C#
1 job
Required
PostgreSQL
1 job
Required
Salary medians are calculated from this company's open jobs and compared with the market.
Industry adoption
Python
14%
JavaScript
11%
SQL
11%
TypeScript
8%
PostgreSQL
8%
Java
5%
Share of companies in the same industry that use each technology.
Stack changes
Midjourney
Aug 2026
Hotjar
Aug 2026
Technologies recently added to or removed from this company's stack - a signal of tech migrations and new initiatives.
Comarch
N-iX
Weekday
RITS Professional Services
ResMed
S&P Global
Growth
Hiring Momentum
79/100
Scaling fast
Open positions
3
2 opened / 0 closed in 30 days
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Backend
44% ▲
Product
44% ▲
Design
11% ▲
Actively hiring for Product (+3 in 30 days)
Activity Timeline
Added Midjourney to stack
Aug 2026
Added Hotjar to stack
Aug 2026
Jobs
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.NET Developer
2 months ago≈ $50k – $90k per year (Estimated) • In office • Full-Time • Łódź
C#
SQL
Java
ASP.NET Core
Java
Flyway
Databases
MS SQL
PostgreSQL
Apply
Product Owner
2 months ago≈ $54k – $100k per year (Estimated) • In office • Full-Time • Łódź
ChatGPT
Copilot
Management
Confluence
Jira
Apply