Senior Software Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer based in United States.

This role offers the opportunity to contribute to a high-impact digital payments modernization program for a major financial institution.
You will work across legacy and cloud-native technologies, helping maintain mission-critical payment systems while shaping their future architecture.
The position combines hands-on software engineering with domain-driven design, distributed systems, cloud infrastructure, identity, and performance engineering.
You will build and modernize services supporting card-network integrations while establishing scalable, secure, and reliable engineering practices.
The role also provides significant ownership across architecture, testing, CI/CD, event-driven systems, and application modernization.
You will collaborate with engineers, technical leaders, and business stakeholders in a large, matrixed environment where requirements can evolve quickly.
This is an opportunity to apply deep technical expertise to complex financial technology systems with meaningful scale and reliability requirements.