Application Security Engineer

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for an Application Security Engineer based in the United States. As an Application Security Engineer, you will strengthen application security across a high-scale payment technology platform supporting modern commerce and financial innovation. You will collaborate closely with Security and Engineering teams to integrate security practices seamlessly into the software development lifecycle. Your work will focus on automating security controls, identifying vulnerabilities early, and building scalable safeguards across CI/CD pipelines. You will help shape secure development standards, lead threat modeling activities, and improve the organization's vulnerability management capabilities. Beyond technical implementation, you will empower developers through security training and foster a strong culture of shared security ownership. Working within a remote-first, globally distributed environment, you will have the opportunity to influence security strategy and drive meaningful improvements. This role is ideal for a proactive security professional passionate about application protection, developer enablement, and securing payment technologies at scale.