Here are some of the popular and legit sites you could use to find jobs in poland.
1. Careers in Poland
https://www.careersinpoland.com
2. Goldline
http://www.goldenline.pl/
3. Jobs in Warsaw
https://www.jobsinwarsaw.com/
4. Jobs in Krakow
https://www.jobsinkrakow.com/
5. Infopraca
https://www.infopraca.pl/praca
6. Praca
https://www.praca.pl/en.html
7. Pracuj
https://www.pracuj.pl/
8.Praca Money
https://praca.money.pl/
9.Poland Xpatjobs (Redirects to talent)
https://poland.xpatjobs.com/
10. Job-Poland
https://job-poland.com/
11. Worksol
https://worksol.pl/pl/
12. Poland Talent
https://pl.talent.com/
13. Government listing for knowing trend
https://oferty.praca.gov.pl/portal/index.cbop#/listaOfert
14. MichaelPage : Send CV and let recruiters find you
http://www.michaelpage.pl/
15. Glassdoor poland
https://www.glassdoor.co.in/Job/poland-english-speaking-jobs-SRCH_IL.0,6_IN193_KO7,23.htm?countryRedirect=true
16. Europe Job search
https://ec.europa.eu/eures/public/index_en
12. GoWork
https://www.gowork.pl/
Please visit these sites, make an account and start applying for a job relevant for your skills or experience. Having a good quality CV (both english and polish) with good cover letter is must.
Thanks.