Senior Backend Engineer (Node.js, AI Applications)

CML Team is seeking a Senior Backend Engineer to design and build backend services for AI-powered products and workflows. This role combines strong Node.js/TypeScript expertise with hands-on experience in LLM applications, RAG systems, and multi-agent architectures.

• Design and build backend services for AI-powered product features
• Work with LLM APIs, prompts, AI SDKs, and agent workflows
• Help shape systems involving retrieval, grounding, tool use, and orchestration
• Collaborate on products that include Node.js backend
• Improve reliability, latency, observability, and overall production readiness of AI features
• Explore and implement capabilities around RAG, voice experiences, and multi-agent systems

• Strong commercial experience with Node.js/TypeScript with 2+ years of experience
• Experience building and maintaining complex backend systems in production
• Solid understanding of architecture, APIs, async flows, integrations, and system reliability
• Some hands-on exposure to LLM applications: prompt design, AI APIs, agent flows, or internal AI tooling
• Ability to learn quickly in fast-moving technical areas
• Strong engineering judgment and product mindset
• Degree in Computer Science, Mathematics, or related field (preferred but not required)
• Nice to have: LangChain, LangGraph, Vercel AI SDK experience; RAG concepts knowledge; voice agents experience; React and Python familiarity

Remote or flexible work arrangement. Opportunity to work on real AI product problems with room for growth into RAG and agentic systems. Open to hiring strong engineers with the right mindset even if AI-specific depth is still developing.