A Generative AI / LLM Engineer earning the median salary of PLN299K in Poland takes home approximately 181.874 PLN/year (15.156 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 | 181.000 PLN | 120.709 PLN10.059 PLN/mo | 10.059 PLN | 33.3% |
| Mid-level | 296.000 PLN | 180.147 PLN15.012 PLN/mo | 15.012 PLN | 39.1% |
| Senior | 415.000 PLN | 248.637 PLN20.720 PLN/mo | 20.720 PLN | 40.1% |
| Lead / Principal | 559.000 PLN | 331.515 PLN27.626 PLN/mo | 27.626 PLN | 40.7% |
The biggest pay step is Senior to Lead / Principal: 144.000 PLN more a year before tax, of which 82.878 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.
Around the headline median, the middle half of Generative AI / LLM Engineer salaries in Poland run from 294.000 PLN to 302.000 PLN a year, which is 178.996 PLN to 183.600 PLN after PIT Income Tax and employee ZUS/NFZ social insurance contributions.
The table above uses the Generative AI / LLM Engineer 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
181.874 PLN
Per month
15.156 PLN
Effective tax + ZUS rate
39.2%
Employer ZUS (extra cost, not withheld)
61.235 PLN
How your 299.000 PLN is split
181.874 PLN
60.8%
39.146 PLN
13.1%
23.387 PLN
7.8%
54.593 PLN
18.3%
| Gross salary | 299.000 PLN |
| Employee ZUS (13.7%: pension, disability, sickness) | -39.146 PLN |
| NFZ health insurance (9% of gross minus ZUS) | -23.387 PLN |
| PIT (12% / 32% bands, PLN 3,600/yr credit) | -54.593 PLN |
| Total deductions | -117.126 PLN |
| Net take-home (annual) | 181.874 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
299.000 PLN
181.874 PLN take-home
Contract median
1.889 PLN/day
≈ 415.580 PLN gross a year
At a median 1.889 PLN/day, contract work grosses about 415.580 PLN a year over 220 billable days, 39% more than the 299.000 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 Generative AI / LLM Engineer contract rates and contractor take-home →
A Generative AI / LLM Engineer earning the median salary of PLN299K in Poland takes home approximately 181.874 PLN per year (15.156 PLN per month) after PIT Income Tax and employee ZUS/NFZ social insurance contributions, using 2026 rates.
On a median Generative AI / LLM Engineer salary of PLN299K, the effective deduction rate (PIT Income Tax and employee ZUS/NFZ social insurance contributions) is 39.2%, leaving 181.874 PLN as take-home pay.
A senior Generative AI / LLM Engineer in Poland earns a median 415.000 PLN a year and takes home approximately 248.637 PLN (20.720 PLN per month) after PIT Income Tax and employee ZUS/NFZ social insurance contributions, an effective rate of 40.1%.
A junior Generative AI / LLM Engineer in Poland earns a median 181.000 PLN a year and takes home approximately 120.709 PLN (10.059 PLN per month) after PIT Income Tax and employee ZUS/NFZ social insurance contributions, an effective rate of 33.3%.
The biggest pay step is Senior to Lead / Principal: 144.000 PLN more a year before tax, of which 82.878 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 1.889 PLN/day, contract work grosses about 415.580 PLN a year over 220 billable days, 39% more than the 299.000 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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