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 Engineer – Agents based in United States. This role offers the opportunity to build the next generation of AI-powered agent systems that transform how users interact with business software.You will work on foundational backend infrastructure powering intelligent assistants, voice agents, custom agents, and automated workflows.The position focuses on solving complex engineering challenges around AI orchestration, evaluation, observability, and scalable production systems.You will collaborate with a highly technical team exploring emerging AI capabilities and bringing experimental ideas into reliable customer-facing products.The role combines backend engineering excellence with curiosity about large language models, automation, and intelligent systems.You will have significant ownership, influence technical direction, and help define how AI agents operate at scale for thousands of users.