Remote AI/ML Engineer - Conversational Agents & RAG

Resolv Global; Xalapa-Enríquez; Remote; MXN 260,000 - 420,000; Full time

Job summary

Resolv Global is hiring a Junior AI/ML Engineer to help build AI agents that handle customer conversations through voice and chat. You will work on retrieval, orchestration, APIs, and integrations behind these systems in a remote setup across Mexico and Colombia.

Collaborate with full-stack engineers, CX designers, and operations teams to develop AI-powered experiences that are practical, secure, and effective. You will grow skills in Python, cloud platforms, LLMs, and RAG pipelines.

Qualifications

• 1-3 years of software or ML engineering experience.
• Solid Python skills and familiarity with Git, Docker, and SQL.
• Experience with at least one cloud platform: Microsoft Azure, AWS, or Google Cloud.
• Hands-on with an LLM API (e.g., OpenAI, Anthropic, Gemini, or Azure OpenAI).
• Experience building an AI agent that calls tools or APIs using a framework (LangChain, LangGraph, or Semantic Kernel).
• Experience building a RAG pipeline with document chunking, embeddings, vector search, and retrieval tuning.
• Experience building and consuming REST APIs with authentication, rate limits, and versioning; exposure to API gateways.
• Fluent written/spoken English and Spanish; based in Colombia or Mexico.

Responsibilities

• Build AI agents that interact with users, call tools/APIs, and hand off to humans when needed.
• Develop retrieval pipelines (RAG) to answer questions from approved sources.
• Integrate AI agents with CRMs, ticketing systems, databases, and messaging channels.
• Build and manage APIs, including gateways, authentication, rate limits, and versioning.
• Support voice AI development with speech-to-text and text-to-speech in English/Spanish.
• Test and improve quality with evaluations, tests, and guardrails.
• Support deployment/monitoring via CI/CD, monitoring, and documentation.
• Collaborate with engineering, CX design, and operations to productionize prototypes.

Skills

Python

Git

Docker

SQL

Tools

LangChain

LangGraph

Semantic Kernel

Job description

Resolv Global is hiring a Junior AI/ML Engineer to help build AI agents that handle customer conversations through voice and chat. You will work on retrieval, orchestration, APIs, and integrations behind these systems in a remote setup across Mexico and Colombia.

Collaborate with full-stack engineers, CX designers, and operations teams to develop AI-powered experiences that are practical, secure, and effective. You will grow skills in Python, cloud platforms, LLMs, and RAG pipelines.