Backend Engineer - AI Agent Products & Platform

We're seeking a skilled Backend Engineer to join our growing team and drive the development of Manus's core infrastructure and business systems. This role offers the opportunity to work across two specialized tracks: infrastructure engineering and business application development, allowing you to shape both the technical foundation and user-facing features of our AI-powered platform. Key Responsibilities Core Backend Development Build high-performance, scalable backend services using Golang to support core AI product features Design, develop, and optimize APIs (RESTful and GraphQL) ensuring efficient frontend-backend interactions Participate in system architecture design to ensure stability, reliability, and scalability at enterprise scale Handle large-scale data flows and optimize distributed systems for peak performance Collaborate closely with frontend and AI agent teams to support rapid product iteration cycles Write clean, maintainable, and well-documented code following industry ...