Senior ML Engineer: NLP, LLMs & AI Agents (Remote)

BairesDev; United States; Remote; CLP 117,763,000 - 176,644,000; Full time

Benefits offered by this job

Remote work (100% remote)

USD or local currency salary

Home-office setup provided

Flexible hours

Paid parental leave

Mentorship & growth

Global, multicultural team

Job summary

BairesDev is seeking a Senior Machine Learning Engineer to design, develop, and deploy end-to-end ML/NLP/LLM solutions in a global, remote-friendly setup.

You will work with Databricks, MLflow, PySpark, Python, and AWS to build scalable data pipelines, train models, and serve FastAPI endpoints for real-time and batch workloads, collaborating with product and engineering teams across continents.

Qualifications

• 7+ years of experience delivering end-to-end machine learning, NLP, LLM, and agentic AI solutions from problem definition to production deployment.
• Strong NLP, text intelligence, and LLM expertise including tokenization, embeddings, semantic search, RAG, structured outputs, function/tool calling, guardrails, and hallucination mitigation.
• Hands-on experience with traditional ML models including classification, regression, ranking, forecasting, segmentation, anomaly detection, and explainability.
• Experience designing agentic AI workflows integrating LLMs with tools, APIs, and retrieval systems, including multi-step reasoning, memory management, and human-in-the-loop review.
• Strong production ML/MLOps experience with Databricks/MLflow and AWS including model packaging, governance, CI/CD, monitoring, drift detection, and cost optimization.
• Advanced proficiency in English.

Responsibilities

• Co-define ML, NLP, and agentic AI solutions with product, engineering, and data stakeholders, translating business objectives into measurable success metrics.
• Build data pipelines and feature engineering workflows for training, evaluation, batch scoring, and online inference using Python, PySpark and Databricks.
• Develop, train, evaluate, and maintain traditional ML models and NLP/LLM solutions including Transformers, embeddings, RAG, and structured outputs.
• Design and implement agent workflows connecting LLMs with tools, APIs, retrieval systems, and business rules, including safety checks and observability.
• Package, deploy, monitor, and retrain models on Databricks/MLflow and AWS, exposing reliable FastAPI services for realtime, batch, and async workloads.

Skills

End-to-end ML delivery

NLP/LLM expertise

Agentic AI concepts

Memory management & optimization

Tools

Python

PySpark

Databricks

MLflow

AWS

FastAPI

Job description

BairesDev is seeking a Senior Machine Learning Engineer to design, develop, and deploy end-to-end ML/NLP/LLM solutions in a global, remote-friendly setup.

You will work with Databricks, MLflow, PySpark, Python, and AWS to build scalable data pipelines, train models, and serve FastAPI endpoints for real-time and batch workloads, collaborating with product and engineering teams across continents.