Backend Engineer

4 days ago

Singapore Manus AI Full time

Overview 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. Responsibilities 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 best practices Infrastructure Track (Option A)Middleware & Core Systems Management Maintain and optimize Manus\'s foundational middleware stack including databases, caching layers, logging systems, and message queues Design and manage Kubernetes cluster architecture for optimal resource utilization and fault tolerance Implement monitoring, alerting, and observability solutions across all infrastructure components Ensure high availability and disaster recovery capabilities for mission-critical systems E2B Cluster Operations Oversee maintenance, configuration, and enhancement of Manus\'s E2B cluster infrastructure Drive capacity planning and scaling initiatives to meet growing demand Implement cost optimization strategies while maintaining performance standards Collaborate with DevOps teams to streamline deployment and operational workflows Business Systems Track (Option B)Core Business Development Develop and maintain user management systems, authentication, and authorization frameworks Build integrations with marketing automation platforms and operational tools Create robust APIs for customer onboarding, engagement tracking, and lifecycle management Implement analytics and reporting systems for business intelligence

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