Java Developer salary in Poland
In Poland, developers constitute the largest group within the IT specialist community. According to our IT Community Survey 2025, they make up 46.0%. Testers came in second place (16.5%), and third place was taken by IT Administrators (9.9%).
As we know, Java is one of the most popular programming languages among coders. According to the latest survey, Java is the 6th most popular language indicated by developers (26.2% of them use it), and overall the 5th most frequently used language in IT work (30.1%), ranking behind JavaScript, SQL, HTML/CSS, and TypeScript.
Java combines universality with versatile application. Programs written in it run on phones as well as payment terminals and medical devices. Its major advantage is therefore the ability to create applications dedicated to a single device or with the possibility of distribution between servers and users on a network.
Besides, it is a language that is easy to program and debug in. What's more, code written once in Java can be reused multiple times. It is often chosen at the start of a programming career; many people begin with it, even if they are changing industries.
Java is the main backend technology, and this hasn't changed since the previous year. 38.4% of all backend developers work with it. It also holds a high position in fullstack, where it came in second after C# with a result of 16.8%.
Java Salaries vs. Contract Type
Depending on the type of contract, Java Developers' earnings vary greatly. Let's take a closer look at the average and median in 2025:
- Average: Employment Contract (UoP) - 11,375 PLN / B2B - 24,015 PLN
- Median: Employment Contract (UoP) - 10,500 PLN / B2B - 22,500 PLN
In the case of UoP, we are talking about the take-home amount (net), while for B2B, these are net amounts on the invoice.
Java Salaries vs. Seniority
Employment Contract
Let's first focus on the Employment Contract. Average earnings depending on seniority for Java Developers on UoP are as follows (net take-home pay):
- Junior - 6,622 PLN
- Regular / Mid - 9,814 PLN
- Senior - 14,349 PLN
Median earnings for Java Developers depending on seniority on UoP (net take-home pay):
- Junior - 6,000 PLN
- Regular / Mid - 9,500 PLN
- Senior - 13,500 PLN
B2B
Let's look at how the amounts are distributed among the self-employed. Average earnings depending on seniority on B2B for Java Developers (net on invoice):
- Junior - Insufficient data
- Regular / Mid - 17,992 PLN
- Senior - 27,540 PLN
Median earnings for Java Developers depending on seniority on B2B (net on invoice):
- Junior - Insufficient data
- Regular / Mid - 17,500 PLN
- Senior - 26,000 PLN
Salaries vs. Company Size
The salary level of IT specialists also depends on the size of the company they work for. Lucky are those who managed to get a job in companies employing 500-5000 employees - they can earn an average of 11,309 PLN take-home on UoP and 22,855 PLN net on the invoice on B2B, and in companies employing more than 5000 employees - with average earnings of 10,768 PLN take-home on UoP and 24,905 PLN net on the invoice.
There is a significant drop in medium and small companies. In organizations with 50-500 people, one can count on average earnings of around 9,681 PLN take-home on UoP, while on B2B it will be 21,273 PLN net on the invoice.
Finally, we have companies employing fewer than 50 people. On UoP, average earnings reach 8,231 PLN net take-home, and on B2B, 19,932 PLN net on the invoice.
Summary
Now you know more about the earnings for Java Developers and can assess whether these conditions suit you. If you are interested in working with this technology, check out the Java job offers on Bulldogjob.com.
We also strongly encourage you to familiarize yourself with our Always Up-to-date Salary Report, which is updated continuously and has separate reports for most specializations, including Java Developer. Check below.
Knowing the current salary realities will certainly help you make beneficial career decisions 👌🏻