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Meta Logo Meta · IT - Software Development

AI Agent Engineer

Singapore · Job Posted March 13, 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 AI agent engineers to join our team in 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

  • Develop core modules of the Manus Agent, driving practical applications of generative AI in real-world scenarios
  • Optimize Agent performance through prompt engineering, tool design, RAG, and Agent system architecture optimization
  • Validate new product feature ideas through rapid prototyping
  • Build evaluation systems and automated evaluation processes to assess Agent performance
  • 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
  • 5+ years of programming experience in a relevant language
  • Experience building maintainable and testable code bases, including API design and unit testing techniques

Nice to have

  • Strong programming skills, excellent design capabilities, and high code quality standards
  • Proficiency in the front-end technology stack for rapid prototyping and developing evaluation platforms
  • Solid understanding of backend technologies, including databases, caching, message queues, and microservices
  • Strong ownership mindset for your areas of responsibility
  • Ability to adapt quickly to dynamic and fast-paced environment
  • 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
  • Experience working in international, distributed teams
  • Contributions to open-source projects or technical community involvement
  • 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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