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Our client seeks an experienced Machine Learning Engineer contractor to build algorithmic assets across Personalization, Generative AI, Forecasting, and Decision Science domains. This role combines deep technical modeling expertise with infrastructure engineering to design, build, and operate end-to-end ML/AI systems at scale. Job Description

Our client seeks an experienced Machine Learning Engineer contractor to build algorithmic assets across Personalization, Generative AI, Forecasting, and Decision Science domains. This role combines deep technical modeling expertise with infrastructure engineering to design, build, and operate end-to-end ML/AI systems at scale.

You'll implement foundational MLOps frameworks across the full product lifecycle including data ingestion, ML processing, and results delivery/activation. Working cross-functionally with data science, data engineering, and architecture teams, you'll serve as both solutions architect and hands-on implementation engineer.

POSITION RESPONSIBILITIES:

Model Development & Optimization

Design and optimize machine learning models including deep learning architectures, LLMs, and specialized models (BERT-based classifiers) Implement distributed training workflows using PyTorch and other frameworks Fine-tune large language models and optimize inference performance using compilation tools (Neuron compiler, ONNX, vLLM) Optimize models for hardware targets (GPU, TPU, AWS Inferentia/Trainium)

Infrastructure Design & AI-Services Architecture

Design AI-services and architectures for real-time streaming and offline batch optimization use-cases Lead ML infrastructure implementation including data ingestion pipelines, feature processing, model training, and serving environments Build scalable inference systems for real-time and batch predictions Deploy models across compute environments (EC2, EKS, SageMaker, specialized inference chips)

MLOps Platform & Pipeline Automation

Implement and maintain MLOps platform including Feature Store, ML Observability, ML Governance, Training and Deployment pipelines Create automated workflows for model training, evaluation, and deployment using infrastructure-as-code Build MLOps tooling that abstracts complex engineering tasks for data science teams Implement CI/CD pipelines for model artifacts and infrastructure components

Performance & Cross-functional Partnership

Monitor and optimize ML systems for performance, accuracy, latency, and cost Conduct performance profiling and implement observability solutions across the ML stack Partner with data engineering to ensure optimal data delivery format/cadence Collaborate with data architecture, governance, and security teams to meet required standards Provide technical guidance on modeling techniques and infrastructure best practices

Required Experience:

Master's degree in Computer Science, Software Engineering, Machine Learning, or related fields 5+ years implementing AI solutions in cloud environments with focus on AI-services and MLOps 3+ years hands-on experience with ML model development and production infrastructure Proven track record delivering production ML systems in enterprise environments

Technical Competencies:

ML & Deep Learning: PyTorch, TensorFlow, distributed training, LLM fine-tuning, transformer architectures, model optimization, ONNX, vLLM Cloud & Infrastructure: AWS services (EC2, EKS, S3, SageMaker, Inferentia/Trainium), Terraform/CloudFormation, Docker, Kubernetes Data & Processing: Python, SQL, PySpark, Apache Spark, Airflow, Kinesis, feature stores, model serving frameworks Development & Operations: Streaming/batch architectures at scale, DevOps, CI/CD (GitHub Actions, CodePipeline), monitoring (CloudWatch, Prometheus, MLflow)

Additional Requirements:

Agile Methodology experience End-to-end ML systems experience from research to production Strong communication and collaboration skills Ability to work independently with minimal supervision Enterprise security and compliance experience

Preferred:

Recommendation systems, NLP applications, or real-time inference systems experience MLOps platform development and feature store implementations

Rate: $110-130/hour (depends on experience level). This is a contract position with candidates expected to work 40 hours/ week. Contract duration is 6 months with possible extensions. This position currently does not offer any benefits.Seniority level Seniority levelMid-Senior level Employment type Employment typeFull-time Job function Job functionEngineering and Information Technology IndustriesStaffing and Recruiting Referrals increase your chances of interviewing at Peterson Technology Partners by 2x Sign in to set job alerts for “Machine Learning Engineer” roles. Chicago, IL $93,840.00-$140,760.00 2 days ago Chicago, IL $123,500.00-$212,850.00 21 hours ago Streeterville, IL $99,840.00-$164,736.00 1 month ago Chicago, IL $110,000.00-$130,000.00 29 minutes ago Chicago, IL $85,000.00-$120,000.00 41 minutes ago Chicago, IL $123,500.00-$212,850.00 22 hours ago Deerfield, IL $127,500.00-$204,000.00 3 months ago Deerfield, IL $79,300.00-$127,000.00 1 day ago Entry Level Software Engineer, application via RippleMatch Chicago, IL $123,500.00-$212,850.00 21 hours ago Deerfield, IL $98,600.00-$157,500.00 1 month ago Chicago, IL $135,000.00-$170,000.00 2 weeks ago Chicago, IL $135,000.00-$170,000.00 1 week ago Chicago, IL $75,000.00-$95,000.00 2 days ago Chicago, IL $200,000.00-$225,000.00 2 weeks ago Chicago, IL $140,000.00-$240,000.00 1 week ago Chicago, IL $123,500.00-$212,850.00 2 months ago Software Engineer Intern, application via RippleMatch Deerfield, IL $127,500.00-$204,000.00 1 day ago Chicago, IL $88,000.00-$165,000.00 6 days ago Chicago, IL $123,500.00-$212,850.00 2 weeks ago Chicago, IL $150,000.00-$225,000.00 1 month ago Chicago, IL $123,500.00-$212,850.00 1 month ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.

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