AI Engineer: Proactive Agents & RAG Runtime

TextYess S.R.L.; United States; Remote; USD 120,000 - 170,000; Full time

Job summary

TextYess, an AI-first CRM, turns conversations into revenue and operates on-site with WhatsApp, email and voice. You’ll join the AI team to build the agentic runtime for proactive agents, handling grounding, retrieval orchestration, scoring and guardrails from day one.

You’ll optimize multilingual quality, reduce latency and cost, profile requests, and ship measurable improvements while owning outcomes and collaborating with international talent to disrupt the market.

Qualifications

• 2+ years shipping software professionally, with at least one LLM feature touched by real users.
• Understanding of RAG, embeddings, vector search and reranking.
• Strong Python and backend fundamentals with attention to latency and cost.

Responsibilities

• Grounding and retrieval fixes to ensure correct product availability in responses.
• Balance exact match and semantic search within a single ranking.
• Ensure multilingual quality across Italian, English, and other languages.
• Profile requests, test prompts and model changes to reduce latency and cost.
• Develop evals and maintain Langfuse traces for production quality.

Skills

2+ years shipping software

LLM features

RAG system

Python / backend

Tools

Langfuse

LangSmith

Braintrust

Arize

Humanloop

Job description

TextYess, an AI-first CRM, turns conversations into revenue and operates on-site with WhatsApp, email and voice. You’ll join the AI team to build the agentic runtime for proactive agents, handling grounding, retrieval orchestration, scoring and guardrails from day one.

You’ll optimize multilingual quality, reduce latency and cost, profile requests, and ship measurable improvements while owning outcomes and collaborating with international talent to disrupt the market.