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Meta Logo Meta · IT - Software Development

Backend Software Engineer

Singapore · Job Posted March 04, 2026
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Job Description

Manus — now part of Meta — is a general-purpose AI agent that bridges mind and action, handling complex tasks from start to finish. It enables people to delegate entire workflows across deep research, data analysis, and software development, turning advanced AI into reliable, practical results. We are seeking backend engineers to join our team in driving the development of Manus’s core infrastructure & business systems, as well as building cutting-edge products that enable our infrastructure & operations to connect billions of people around the world. As a member of our team, you will have the opportunity to work on complex technical problems, build new features, and improve existing products across various platforms. Our teams are constantly pushing the boundaries of system efficiency & user experience, and we're looking for individuals who can help us advance the way people connect globally. If you’re excited to collaborate with a diverse team and contribute to impactful projects, we encourage you to apply.

Job Responsibility

  • Collaborate with cross-functional teams (product, design, operations, infrastructure) to build high-performance, scalable backend services using Golang to support core AI product features
  • Design, develop, and optimize APIs (RESTful and gPRC) 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
  • Write clean, maintainable, and well-documented code following industry best practices
  • Implement custom user interfaces using latest programming techniques and technologies
  • Develop reusable software components for interfacing with back-end platforms
  • Analyze and optimize code for quality, efficiency, and performance
  • Lead complex technical or product efforts and provide technical guidance to peers
  • Architect efficient and scalable systems that drive complex applications
  • Identify and resolve performance and scalability issues
  • Work on a variety of coding languages and technologies
  • Establish ownership of components, features, or systems with in-depth end-to-end understanding
  • Lead and participate in technical syncs with Mandarin-speaking teams, translate and review technical specifications to ensure alignment across partners

Requirements

  • Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience
  • 3+ years of backend development experience with demonstrated expertise in Golang
  • Strong understanding of microservices architecture and service orchestration tools (gRPC, Kubernetes)
  • Proficiency in database design, optimization, and management (MySQL, PostgreSQL, MongoDB)
  • Hands-on experience with distributed systems, message queues (Kafka, RabbitMQ), and caching technologies (Redis)
  • Solid understanding of cloud platforms (AWS, GCP, or Azure) and containerization technologies
  • Experience with CI/CD pipelines and infrastructure-as-code practices

Nice to have

  • Previous experience in backend development for AI, ML, or SaaS products
  • Experience with payment processing systems, financial transactions, or fintech applications
  • Knowledge of infrastructure monitoring tools (Prometheus, Grafana, ELK stack)
  • Familiarity with security best practices and compliance frameworks
  • Experience working in international, distributed teams
  • Contributions to open-source projects or technical community involvement
  • Experience designing, analyzing and improving efficiency, scalability, and stability of various system resources
  • Experience building and shipping high quality work and achieving high reliability
  • Experience improving quality through thoughtful code reviews, appropriate testing, proper rollout, monitoring, and proactive changes
  • Exposure to architectural patterns of large scale software applications
  • Experience in programming languages such as Python, C++, Java
  • Passionate about AI technology with a strong interest in exploring AI-powered development tools and understanding AI product design principles
  • Demonstrated interest in AI products and emerging technologies
  • Proficiency in Mandarin (spoken and written) is preferred to conduct daily meetings with Mandarin-speaking colleagues/vendors, and to review technical specifications in Mandarin
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