Senior Principal 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 Principal Software Engineer based in United States. This role is designed for a highly experienced software engineer who will shape the future of large-scale commerce platforms.You will take ownership of critical backend systems, designing scalable architectures and solving complex engineering challenges.The position focuses on building reliable, service-oriented solutions that support a global digital commerce environment.You will work across teams to evolve APIs, integrations, and distributed systems while influencing technical direction.This is an opportunity to drive meaningful platform improvements through hands-on engineering, architecture leadership, and innovation.You will collaborate with talented engineers and product teams to deliver resilient systems that support millions of customer experiences.