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Llm Developer Jobs in Lemont, IL (NOW HIRING)

Senior GenAI/Python Engineer

Chicago, IL ยท Remote

$124K - $167K/yr

LLM-Powered Agents * LangChain / LangGraph / LlamaIndex * Intent Classification * Agentic Extraction & Multi-Step Orchestration * Function Calling & Tool Use * Prompt Engineering * Structured LLM ...

Remote Job Overview We are seeking experienced GPU Programmers / Software Engineers to design and optimize GPU-based tasks for AI and LLM applications. You will apply your expertise in GPU ...

Staff DevOps Engineer

Chicago, IL

$54.25 - $74.50/hr

... DevOps, or Jenkins). * Deep understanding of distributed systems, containerization, and ... Nice to have Hands-on experience building or integrating agentic AI systems, LLM-powered operations ...

Staff DevOps Engineer

Chicago, IL ยท On-site

$54.25 - $74.50/hr

Architect and integrate agentic AI workflows (autonomous agents, LLM-driven automation, AI copilots) into DevOps and platform operations - such as automated incident triage, self-healing ...

Staff DevOps Engineer

Chicago, IL ยท On-site

$150 - $190/hr

Architect and integrate agentic AI workflows (autonomous agents, LLM-driven automation, AI copilots) into DevOps and platform operations -- such as automated incident triage, self-healing ...

Full Stack Developer (React, Python & FastAPI) Location: Remote (Preferred: Philippines, Latin ... Llama LLM * LangChain * LlamaIndex * Docker * AWS * Azure * Vector Databases * Machine Learning ...

GPU Programmer - Remote

Chicago, IL ยท Remote

$60 - $85/hr

Remote Job Overview We are seeking experienced GPU Programmers / Software Engineers to design and optimize GPU-based tasks for AI and LLM applications. You will apply your expertise in GPU ...

AI Quality Engineer / Lead

Chicago, IL ยท On-site

$74K - $95K/yr

Design, develop, and execute AI Quality Engineering strategies supporting AI-powered applications, large language model (LLM) solutions, intelligent automation, agentic systems, and enterprise AI ...

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Llm Developer information

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How much do llm developer jobs pay per hour?

As of Aug 29, 2026, the average hourly pay for llm developer in Lemont, IL is $50.57, according to ZipRecruiter salary data. Most workers in this role earn between $39.76 and $61.30 per hour, depending on experience, location, and employer.

What does an LLM Developer do?

An LLM Developer designs, fine-tunes, and implements large language models (LLMs) for various applications, such as chatbots, content generation, and AI-driven tools. They work with machine learning frameworks, optimize model performance, and ensure efficient deployment. This role requires expertise in natural language processing (NLP), deep learning, and programming languages like Python.

What are the key skills and qualifications needed to thrive as an LLM Developer?

To excel as an LLM Developer, you need strong expertise in natural language processing (NLP), deep learning frameworks, and programming languages such as Python, typically supported by a degree in computer science or a related field. Familiarity with machine learning libraries (like TensorFlow or PyTorch), cloud computing platforms, and experience with prompt engineering or fine-tuning large language models is crucial. Excellent problem-solving abilities, collaboration, and effective communication skills help you design solutions and work efficiently within multidisciplinary teams. These qualifications are essential for successfully building, deploying, and optimizing large language models that drive impactful AI applications.

What is the role of a large language model developer?

A large language model developer designs, trains, and fine-tunes AI models that understand and generate human language. They work with machine learning frameworks, manage large datasets, and optimize models for accuracy and efficiency, often requiring knowledge of programming, deep learning, and natural language processing techniques.

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Cities near Lemont, IL with the most Llm Developer job openings:

Senior GenAI/Python Engineer

Chicago, IL โ€ข Remote

$124K - $167K/yr

Full-time

Posted 26 days ago


Job description

Hiring Alert | Senior GenAI/Python Engineer

Location: Chicago, IL (Remote)
Employment Type: Full-Time
Experience Required: 7–9 Years
Visa Type: USC / GC Only

Must-Have Skills:
  • Advanced Python Development
  • Production-Grade Python Coding
  • GenAI / LLM Application Development
  • OpenAI / Azure OpenAI / Anthropic / AWS Bedrock
  • Agentic AI Development
  • LLM-Powered Agents
  • LangChain / LangGraph / LlamaIndex
  • Intent Classification
  • Agentic Extraction & Multi-Step Orchestration
  • Function Calling & Tool Use
  • Prompt Engineering
  • Structured LLM Output
  • JSON Schema & Pydantic
  • RAG & Vector Search
  • Embeddings & Chunking
  • Hybrid Search & Reranking
  • Entity Resolution & Fuzzy Matching
  • Confidence Scoring & Disambiguation
  • Vector Databases: pgvector / Pinecone / Weaviate / OpenSearch
  • FastAPI / Flask / Django
  • Async Python
  • Parallel LLM & API Orchestration
  • SQL & Large Analytical Datasets
  • Azure / AWS / GCP
  • Pytest & Test Automation
  • Git & CI/CD
  • Docker
  • Guardrails & Validation
  • GenAI Evaluation & Regression Testing
Preferred Experience:
  • 5+ years of advanced professional Python development
  • 1.5+ years of hands-on production GenAI / LLM application development
  • Experience building domain-specific agents and agentic workflows
  • Experience developing natural-language-to-structured JSON payload pipelines
  • Strong experience with structured output enforcement and JSON schema validation
  • Experience implementing retry, repair, validation, and error-handling strategies for LLM outputs
  • Experience designing RAG and semantic search solutions
  • Experience with entity resolution, fuzzy matching, confidence thresholds, and disambiguation
  • Experience building FastAPI-based microservices
  • Experience with asynchronous Python and parallel API/LLM calls
  • Experience developing evaluation harnesses, test sets, and regression frameworks
  • Experience with metadata/catalog services and entitlement-aware data access
  • Experience collaborating with platform, data, service, and product teams
  • Strong experience with code reviews, design discussions, and production readiness reviews
  • Excellent technical documentation skills including Confluence, ADRs, sequence diagrams, and flow diagrams
  • Strong communication and stakeholder collaboration skills
Education:

Bachelor’s Degree in Computer Science, Information Technology, Engineering, or related field preferred.

Tech Stack:

Python | GenAI | LLM | OpenAI | Azure OpenAI | Anthropic | AWS Bedrock | LangChain | LangGraph | LlamaIndex | Agentic AI | RAG | Vector Search | Embeddings | Pinecone | pgvector | Weaviate | OpenSearch | FastAPI | Async Python | Pydantic | JSON Schema | Function Calling | Prompt Engineering | Guardrails | Pytest | Git | CI/CD | Docker | SQL | Azure | AWS | GCP