Nethone·Warsaw, PLWarsaw, Poland·
Principal Java Software Engineer
Principal Java Software Engineer at Nethone in Warsaw or London focusing on architectural leadership for Mangopay's payment infrastructure.
NewOnsiteOtherPrincipalFinTechPayments
Nethone
Warsaw, Poland · Founded 2015 · 51-200 staff
FinTechAI/MLSoftware
Nethone is a 360-degree fraud prevention solution provider that offers AI-powered fraud detection and risk analysis. The company's platform blocks fraudulent transactions while allowing legitimate business through an in-depth and precise user and risk analysis engine powered by billions of data insights.
Open roles at a glance
2 live roles1 QA · 1 Software Eng
Roles based in: Warsaw
Engineering at Nethone
Builds in: FinTech
Seniority: 1 senior · 1 principal
Publishes salary on 1 of 2 ads · Hiring engineering roles here since July 2026
2 open Engineering roles
Curated from live Nethone postings. Click any role for the full brief.
Nethone·Warsaw, PLWarsaw, Poland·
Senior QA Engineer
Lead QA automation for Mangopay's modular payment infrastructure using Playwright and K6 in Warsaw, Poland.
Onsitezł20k–zł22k/mPMSeniorFintech