Machine Learning Engineer

GCS Recruitment; Chicago (IL); On-site; USD 120,000 - 180,000; Full time

Job summary

GCS Recruitment is seeking a Machine Learning Engineer to join a high-performing AI and Data Science team in Chicago. The role focuses on designing end-to-end ML pipelines, building scalable predictive models, and operationalizing ML workloads in a cloud-based environment.

Ideal candidates have 5+ years of ML experience, strong Python, PySpark, Scikit-learn skills, and hands-on AWS/MLOps exposure. Experience with LLMs and deploying models in production is highly valued.

Qualifications

• 5+ years of experience in Machine Learning Engineering or related fields.
• Strong programming skills in Python.
• Hands-on PySpark and large-scale data processing experience.
• Experience with Scikit-learn for model development.
• Experience building MLOps pipelines and production deployment.
• Experience with AWS cloud environments and model monitoring.
• Familiarity with LLMs, NLP, or Generative AI.
• Excellent problem-solving and communication skills.

Responsibilities

• Design, develop, and deploy machine learning models focused on predictive analytics and business intelligence use cases.
• Build scalable data processing and feature engineering pipelines using PySpark and distributed computing technologies.
• Develop, test, and optimize machine learning algorithms using Python and Scikit-learn.
• Implement and maintain end-to-end MLOps pipelines for model training, deployment, monitoring, and lifecycle management.
• Work with large structured and unstructured datasets to derive actionable insights and improve model performance.
• Collaborate with data scientists, software engineers, and business stakeholders to translate requirements into production-ready ML solutions.
• Support the integration of machine learning models into enterprise applications and workflows.
• Leverage AWS cloud services to build scalable and reliable machine learning infrastructure.
• Explore and implement Large Language Model (LLM) solutions where applicable.
• Participate in model evaluation, performance tuning, and continuous improvement initiatives.

Skills

Python

PySpark

Scikit-learn

ML pipelines

MLOps

NLP / Generative AI

Tools

AWS

LLMs

PyTorch

TensorFlow

Job description

Position Summary

We are seeking a Machine Learning Engineer to join a high-performing AI and Data Science team responsible for developing, deploying, and maintaining predictive machine learning solutions. This role will focus on designing end-to-end ML pipelines, building scalable predictive models, and operationalizing machine learning workloads in a cloud-based environment.

The ideal candidate will possess strong expertise in Python, PySpark, machine learning frameworks, data analysis, and MLOps practices. Experience working with Large Language Models (LLMs) and deploying machine learning solutions in AWS environments is highly desired.

Key Responsibilities

• Design, develop, and deploy machine learning models focused on predictive analytics and business intelligence use cases.
• Build scalable data processing and feature engineering pipelines using PySpark and distributed computing technologies.
• Develop, test, and optimize machine learning algorithms using Python and Scikit-learn.
• Implement and maintain end-to-end MLOps pipelines for model training, deployment, monitoring, and lifecycle management.
• Work with large structured and unstructured datasets to derive actionable insights and improve model performance.
• Collaborate with data scientists, software engineers, and business stakeholders to translate requirements into production-ready ML solutions.
• Support the integration of machine learning models into enterprise applications and workflows.
• Leverage AWS cloud services to build scalable and reliable machine learning infrastructure.
• Explore and implement Large Language Model (LLM) solutions where applicable.
• Participate in model evaluation, performance tuning, and continuous improvement initiatives.

Required Qualifications

• 5+ years of experience in Machine Learning Engineering, AI Engineering, or related disciplines.
• Strong programming expertise in Python.
• Hands-on experience with PySpark and large-scale data processing.
• Experience developing machine learning models using Scikit-learn.
• Strong background in data analysis, feature engineering, and statistical modeling.
• Experience building and maintaining MLOps pipelines and model deployment workflows.
• Knowledge of machine learning lifecycle management, CI/CD, and production model monitoring.
• Experience working within AWS cloud environments.
• Familiarity with Large Language Models (LLMs), NLP, or Generative AI technologies.
• Strong problem-solving and communication skills.

Technical Environment

• Python
• PySpark
• Scikit-learn
• AWS
• MLOps
• Large Language Models (LLMs)
• Machine Learning Pipelines
• Predictive Analytics
• Neural Networks (Preferred)
• PyTorch / TensorFlow (Preferred)

GCS is acting as an Employment Business in relation to this vacancy.