Security Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Security Engineer based in Poland.
This is a hands-on product security role at the heart of a fast-scaling payments infrastructure environment. You will help design, review, and continuously improve the security posture of systems processing payments at global scale. The role combines deep technical execution with strategic influence, as you work closely with engineering teams building cloud, infrastructure, and product capabilities. You will be responsible for identifying risks early, shaping secure architecture decisions, and ensuring security is embedded throughout the development lifecycle. The environment is highly collaborative, engineering-led, and fast-moving, with strong ownership and autonomy. This is a unique opportunity to join a growing security function early and help define its long-term structure, tooling, and standards.