
Senior AI Agent Engineer
Posted 4 days ago

Posted 4 days ago
This is a fully remote position, open to applicants in India.
• Develop the backend for the AI agent utilizing Python and FastAPI.
• Collaborate with LLMs, focusing on prompts, tool/function calls, and structured outputs.
• Design and manage PostgreSQL databases, including queries, indexes, and migrations.
• Create user interfaces with React and TypeScript.
• Integrate the AI agent with internal APIs and external services.
• Utilize AI coding tools such as Claude Code, Cursor, or GitHub Copilot to enhance development efficiency and productivity.
• Provide guidance and mentorship to 1–3 developers through code reviews, planning sessions, and technical support.
• Make informed technical and architectural decisions and communicate them effectively to product and leadership teams.
• Establish and oversee testing, CI/CD, logging, and monitoring processes.
• Supervise the production environment and resolve technical issues and incidents.
• Monitor AI performance, response quality, speed, and associated costs.
• Enhance prompts and AI logic in response to changing models and requirements.
• Adhere to secure coding practices to safeguard customer and personal data.
• Continue to develop new features and enhancements post-launch of the product.
• Over 7 years of professional experience in software development.
• 1–2+ years of experience in building and supporting AI/LLM features in a production environment.
• Extensive experience with Python and backend API development.
• Strong understanding of PostgreSQL, including database design, SQL, indexing, and performance optimization.
• Solid experience with React and TypeScript.
• In-depth knowledge of LLMs, prompt design, tool/function calling, retries, rate limits, and managing erroneous AI responses.
• Familiarity with AI coding tools like Claude Code, Cursor, or Copilot.
• Experience in leading or mentoring developers while remaining actively involved in coding.
• Background in supporting production applications, including monitoring, incident management, and root-cause analysis.
• Proficient in written and spoken English.
• Preferred: experience with RAG, embeddings, and pgvector.
• Preferred: familiarity with LangGraph, Claude Agent SDK, or MCP.
• Preferred: experience in LLM testing, monitoring, and cost management.
• Preferred: knowledge of Microsoft Azure, Docker, and CI/CD practices.
• Preferred: experience working with multi-tenant SaaS applications.
• Preferred: experience in staffing, HR tech, payroll, or workforce management.
• Preferred: understanding of SOC 2 or similar security and compliance standards.
• Full-time employment.
• Remote work arrangement.
Mercor
Mercor
Mercor
Mercor
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