This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Backend Software Developer based in United States. This is an opportunity to build backend software that powers a new generation of electric-vehicle customer experiences.You will take ownership across the full development lifecycle, from architecture and system design through implementation, testing, and operations.The role combines hands-on engineering with significant influence over technical direction and long-term technology decisions.You will work closely with product and UX teams to create scalable, customer-focused digital experiences in a fast-moving startup environment.Your decisions will have direct visibility and impact, requiring strong technical judgment alongside an understanding of business priorities.You will also contribute to engineering excellence through code and design reviews, mentoring, and raising development standards across the organization.This role is well suited to an experienced backend engineer who enjoys solving complex problems, simplifying systems, and building products where individual contributions matter.