This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Principal Software Engineer based in United States. This role offers the opportunity to influence enterprise-scale technology strategy while remaining deeply involved in engineering execution.You will serve as a trusted technical leader, partnering with engineering, product, and business teams to transform complex challenges into scalable solutions.The position combines architectural ownership, hands-on development, mentorship, and organizational impact.You will help modernize systems, improve engineering practices, and guide teams through critical initiatives from discovery to production.Working across modern and legacy platforms, you will make thoughtful technical decisions that improve reliability, security, and customer outcomes.This is an ideal opportunity for an experienced engineer who thrives on solving complex problems, enabling teams, and driving meaningful technical progress.