Machine Learning Research Engineer

$70 - $80 hourly
Job Category: Technology
Position Type: Contract / Temporary to Hire
Work Model: Remote
Location: Chicago, Illinois
Job ID: 157252
Benefits: Medical Insurance, Dental Insurance, Vision Insurance
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Machine Learning Research Engineer

LaSalle Network is partnering with an innovative technology company to identify a Machine Learning Research Engineer. This role offers the opportunity to design, build, and deploy high-performance deep learning systems at scale, directly impacting platforms that handle millions of requests and events daily.
As a member of the Machine Learning team, you will play a key role in developing advanced NLP and LLM-driven solutions, expanding core technology platforms, and shaping the organization’s technical vision. This is a high-impact, growth-oriented role where you will work end-to-end—from problem definition through production deployment.

What You’ll Do

  • Develop and train deep learning models for NLP tasks, including NER, sequence classification, and language modeling using pre-trained and custom transformers.
  • Design and implement LLM-driven solutions (fine-tuning, retrieval-augmented generation, agentic patterns, etc.).
  • Build and maintain systems, APIs, and data pipelines to deliver machine learning insights across multiple products and platforms.
  • Collaborate with ML research engineers, MLOps engineers, product managers, and cross-functional teams, owning projects from inception through delivery.
  • Contribute to technical vision and strategy, proposing and driving organization-wide initiatives in machine learning.

What You’ll Bring
  • 2+ years of experience building and deploying ML models and APIs in production (preferably cloud-based environments such as AWS or GCP).
  • Strong foundation in deep learning modeling and production-quality pipelines for NLP, computer vision, or information retrieval.
  • Hands-on experience with LLMs (RAG, evaluation frameworks, agentic patterns, retrieval methods).
  • Proficiency with Python, PyTorch, and Hugging Face transformers.
  • Knowledge of modern NLP algorithms and methods (transformers, embeddings, attention models, information retrieval).
  • Strong software engineering, debugging, and performance optimization skills.
  • Master’s or PhD in Machine Learning, Computer Science, Mathematics, Statistics, or related field, OR 3+ years of equivalent industry experience.

Nice to Haves
  • Experience selecting and evaluating ML approaches and clearly communicating tradeoffs.
  • Familiarity with model inference optimization tools (TensorRT, ONNX, TorchScript, vLLM, etc.).
  • Understanding of software design patterns (REST, MVC, auto-scaling).
  • Experience supporting multi-language machine learning solutions.


Thanks,

Griffin Taylor
Project Manager
LaSalle Network

LaSalle Network is an Equal Opportunity Employer m/f/d/v.

LaSalle Network is the leading provider of direct hire and temporary staffing services. For over two decades, LaSalle has helped organizations hire faster and connect top talent with opportunities, from entry-level positions to the C-suite. With units specializing in Accounting and Finance, Administrative, Marketing, Technology, Supply chain, Healthcare Revenue Cycle, Call Center, Human Resources and Executive Search. LaSalle offers staffing and recruiting solutions to companies of all sizes and across all industries.

LaSalle Network is the premier staffing and recruiting firm, earning over 100 culture, revenue and industry-based awards from major publications and having its company experts regularly contribute insights on retention strategies, hiring trends and hiring challenges, and more to national news outlets. LaSalle Network offers temporary Field Employees benefit plans including medical, dental and vision coverage. Family Medical Leave, Worker's compensation, Paid Leave and Sick Leave are also provided. View a full list of our benefits here: View a full list of our benefits here.

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