Remote Junior AI/ML Engineer — Conversational Agents

Resolv Global; Perímetro Urbano Barranquilla; Remote; COP 60,000,000 - 100,000,000; Full time

Job summary

Resolv Global is hiring Junior AI/ML Engineers to build AI agents that handle customer conversations through voice and chat. You’ll work on retrieval, orchestration, APIs, and integrations behind these systems, turning working prototypes into reliable production solutions.

You’ll collaborate with full-stack engineers, CX designers, and operations teams to develop AI-powered experiences that are practical, secure, and effective.

Qualifications

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

Responsibilities

• Build AI agents that converse with users, call tools, 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 TTS in English and Spanish.
• Test and improve accuracy, reliability, and safety using evaluations and tests.
• Support deployment and monitoring via CI/CD and documentation.
• Collaborate across teams to turn prototypes into production-grade solutions.

Skills

Python

Git

Docker

SQL

LLM APIs

LangChain

LangGraph

Semantic Kernel

REST APIs

API gateways

Webhooks

CRM integration

Embeddings

Vector search

Evaluation metrics

Tools

Microsoft Azure

AWS

Google Cloud

OpenAI

Anthropic

Gemini

Azure OpenAI

LangChain

LangGraph

Semantic Kernel

Job description

Resolv Global is hiring Junior AI/ML Engineers to build AI agents that handle customer conversations through voice and chat. You’ll work on retrieval, orchestration, APIs, and integrations behind these systems, turning working prototypes into reliable production solutions.

You’ll collaborate with full-stack engineers, CX designers, and operations teams to develop AI-powered experiences that are practical, secure, and effective.