An AI Research Scientist earning the median salary of PLN306K in Poland takes home approximately 185.903 PLN/year (15.492 PLN/month) after PIT Income Tax and employee ZUS/NFZ social insurance contributions, using 2026 rates.
2026 median salary for each level in Poland, and what it leaves after PIT Income Tax and employee ZUS/NFZ social insurance contributions. Umowa o pracę (standard employment), single filer, PIT-2 default credit. 2026 rates.
| Level | Gross / year | Take-home / year | Per month | Effective rate |
|---|---|---|---|---|
| Junior | 188.000 PLN | 124.273 PLN10.356 PLN/mo | 10.356 PLN | 33.9% |
| Mid-levelHeadline median | 306.000 PLN | 185.903 PLN15.492 PLN/mo | 15.492 PLN | 39.2% |
| Senior | 434.000 PLN | 259.572 PLN21.631 PLN/mo | 21.631 PLN | 40.2% |
| Lead / Principal | 594.000 PLN | 351.659 PLN29.305 PLN/mo | 29.305 PLN | 40.8% |
The biggest pay step is Senior to Lead / Principal: 160.000 PLN more a year before tax, of which 92.087 PLN reaches take-home. 42% of that raise goes to PIT Income Tax and employee ZUS/NFZ social insurance contributions, close to the average 40% on the Senior salary, so a raise keeps roughly the same share as the rest of your pay.
For Mid-level roles, the middle half of AI Research Scientist salaries in Poland run from 300.000 PLN to 309.000 PLN a year, which is 182.449 PLN to 187.629 PLN after PIT Income Tax and employee ZUS/NFZ social insurance contributions.
The table above uses the AI Research Scientist median. Enter your own gross salary below for a precise figure.
Umowa o pracę (standard employment) only. This models the standard KUP PLN 250/month cost allowance and the default PIT-2 tax-free credit; it does not model joint filing with a spouse, additional deductions, or the employer-side ZUS cost, which is a real cost but never appears on your payslip.
2026 tax year
Employee ZUS: 13.7%. NFZ health insurance: 9% of (gross - ZUS). PIT: 12% up to PLN 120,000 taxable, 32% above.
Common salaries:
Annual take-home pay
185.903 PLN
Per month
15.492 PLN
Effective tax + ZUS rate
39.2%
Employer ZUS (extra cost, not withheld)
62.669 PLN
How your 306.000 PLN is split
185.903 PLN
60.8%
39.318 PLN
12.8%
24.001 PLN
7.8%
56.778 PLN
18.6%
| Gross salary | 306.000 PLN |
| Employee ZUS (13.7%: pension, disability, sickness) | -39.318 PLN |
| NFZ health insurance (9% of gross minus ZUS) | -24.001 PLN |
| PIT (12% / 32% bands, PLN 3,600/yr credit) | -56.778 PLN |
| Total deductions | -120.097 PLN |
| Net take-home (annual) | 185.903 PLN |
Calculations use 2026 Polish umowa o pracę (standard employment) rates: PIT bands of 12%/32% with a PLN 3,600/year tax-free credit, the standard PLN 250/month KUP cost allowance, employee ZUS of 13.7% (capped at the PLN 282,600/year base for pension and disability), and 9% NFZ health insurance. Does not model joint filing with a spouse, child tax relief, or the ulga dla młodych exemption for employees under 26. For precise figures, consult ZUS, the Urząd Skarbowy, or a tax professional.
Permanent median
306.000 PLN
185.903 PLN take-home
Contract median
1.926 PLN/day
≈ 423.720 PLN gross a year
At a median 1.926 PLN/day, contract work grosses about 423.720 PLN a year over 220 billable days, 38% more than the 306.000 PLN permanent median. That premium has to pay for what an employer would otherwise cover: paid holiday and sick days, pension contributions, and the gaps between contracts.
Contract and permanent benchmarks come from separate samples, so treat the gap as a guide rather than a like-for-like quote. See AI Research Scientist contract rates and contractor take-home →
An AI Research Scientist earning the median salary of PLN306K in Poland takes home approximately 185.903 PLN per year (15.492 PLN per month) after PIT Income Tax and employee ZUS/NFZ social insurance contributions, using 2026 rates.
On a median AI Research Scientist salary of PLN306K, the effective deduction rate (PIT Income Tax and employee ZUS/NFZ social insurance contributions) is 39.2%, leaving 185.903 PLN as take-home pay.
A senior AI Research Scientist in Poland earns a median 434.000 PLN a year and takes home approximately 259.572 PLN (21.631 PLN per month) after PIT Income Tax and employee ZUS/NFZ social insurance contributions, an effective rate of 40.2%.
A junior AI Research Scientist in Poland earns a median 188.000 PLN a year and takes home approximately 124.273 PLN (10.356 PLN per month) after PIT Income Tax and employee ZUS/NFZ social insurance contributions, an effective rate of 33.9%.
The biggest pay step is Senior to Lead / Principal: 160.000 PLN more a year before tax, of which 92.087 PLN reaches take-home. 42% of that raise goes to PIT Income Tax and employee ZUS/NFZ social insurance contributions, close to the average 40% on the Senior salary, so a raise keeps roughly the same share as the rest of your pay.
At a median 1.926 PLN/day, contract work grosses about 423.720 PLN a year over 220 billable days, 38% more than the 306.000 PLN permanent median. That premium has to pay for what an employer would otherwise cover: paid holiday and sick days, pension contributions, and the gaps between contracts. Contract and permanent benchmarks come from separate samples, so treat the gap as a guide.
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