Senior Software Engineer Copilot AI Models

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 Copilot AI Models based in United States. This role offers the opportunity to build the foundational backend systems powering next-generation AI-assisted software development experiences.You will design and scale highly available services, APIs, and distributed systems that support intelligent developer tools used by millions of users worldwide.The position combines deep technical ownership with collaboration across engineering and product teams in a remote-first environment.You will contribute to the architecture, reliability, performance, and evolution of critical AI platform infrastructure.This is an opportunity for an experienced engineer who enjoys solving complex scalability challenges and building resilient systems at global scale.The ideal candidate is passionate about developer experiences, cloud-native technologies, and creating impactful engineering solutions.