AI Systems Engineer (LLM & AI Agent Development)
RemoteMexico or Argentina
Mexico or ArgentinaRemoteFull TimeStartup
Full TimeStartup
Job Summary
Build and maintain AI-powered web applications, autonomous agent systems, and multi-agent workflows with recursive automation pipelines. Integrate Large Language Models into production software and optimize performance, reliability, and scalability while ensuring secure information-sharing and privacy controls. Expand the internally developed CRM platform, build scalable backend services and APIs, and integrate business systems like HubSpot and Salesforce. Collaborate directly with the founder to execute technical requirements, debug production systems, and implement new features across multiple products.
Required Qualifications
- 5+ years of professional software engineering experience
- Strong experience building production AI applications
- Proven experience developing autonomous AI agent systems
- Experience implementing multi-agent orchestration and AI workflows
- Strong Python development experience
- Strong Node.js development experience
- Working knowledge of Java
- Experience integrating Large Language Models (LLMs) into production software
- Strong prompt engineering experience for production environments
- Experience building AI systems with graph memory and agent memory management
- Experience designing secure AI architectures with data segmentation and privacy controls
- Experience integrating APIs and business platforms
- Hands-on experience integrating HubSpot or Salesforce into custom applications
- Strong understanding of modern web application development
- Experience using: Claude Code
- Experience using: Cursor
- Experience using: Replit
- Experience using: OpenClaw (or equivalent AI engineering frameworks)
- Excellent written and spoken English communication skills
- Ability to work independently with minimal supervision
Desired Qualifications
- You have built sophisticated AI systems that are running in production
- You enjoy implementing complex technical solutions quickly and accurately
- You are comfortable working directly with a founder and turning ideas into working software
- You proactively solve problems without waiting for detailed specifications
- You thrive in fast-moving startup environments
- You communicate clearly and are comfortable discussing technical topics live with stakeholders
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