Senior Backend IT Specialist (Poland) up to 150 PLN/h netto + VAT B2B Poland Spyrosoft S.A. - Company Registration Number 0000616387, VAT PL8943078149, D-U-N-S 421793833 Spyrosoft Solutions S.A. - Company Registration Number 0000724282, VAT PL8992842857, D-U-N-S 439496581 Spyrosoft Syn...