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Llm Developer Jobs in Washington (NOW HIRING)

AnaVation

AI Security & LLM Engineer

Reston, VA · On-site

The AI Security & LLM Engineer willdesign, secure, and optimize our next-generation generative AI ... AI Developer Tools: Experience utilizing advanced AI-assisted development workflows such as Claude ...

AnaVation

AI Security & LLM Engineer

Reston, VA · On-site

The AI Security & LLM Engineer will design, secure, and optimize our next-generation generative AI ... AI Developer Tools: Experience utilizing advanced AI-assisted development workflows such as Claude ...

Nava

AI Security & LLM Engineer

Reston, VA · On-site

$170 - $250/hr

Description of Task to be Performed The AI Security & LLM Engineer will design, secure, and ... AI Developer Tools: Experience utilizing advanced AI-assisted development workflows such as Claude ...

AnaVation

AI Security & LLM Engineer

Reston, VA · On-site

The AI Security & LLM Engineer will design, secure, and optimize our next-generation generative AI ... AI Developer Tools: Experience utilizing advanced AI-assisted development workflows such as Claude ...

Cynnovative

ML Engineer (LLM Systems)

Arlington, VA · On-site

$120 - $150/hr

Job Overview As a Senior ML Engineer (LLM Systems) at Cynnovative, you will be responsible for developing and managing tools that facilitate LLM experimentation and deployment. This role is crucial ...

eSimplicity

LLM Specialist

Columbia, MD · On-site +1

$93K - $100K/yr

Our engineers, designers, and strategists cut through complexity to create intuitive products and ... The LLM Specialist will drive the design, development, and operationalization of advanced large ...

eSimplicity

LLM Specialist

Columbia, MD · On-site

$93K - $100K/yr

Our engineers, designers, and strategists cut through complexity to create intuitive products and ... The LLM Specialist will drive the design, development, and operationalization of advanced large ...

PenFed Credit Union

LLM Specialist

Mclean, VA · On-site

$16.50 - $21.75/hr

The LLM Specialist serves as PenFed's subject matter expert for Large Language Models (LLMs ... Collaborate with AI Engineers and solution teams to ensure effective deployment and adoption of AI ...

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How much do llm developer jobs pay per hour?

As of Aug 26, 2026, the average hourly pay for llm developer in Washington is $56.82, according to ZipRecruiter salary data. Most workers in this role earn between $44.66 and $68.89 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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Llm Developer jobs near you
Infographic showing various Llm Developer job openings in Washington as of August 2026, with employment types broken down into 79% Full Time, 2% Part Time, 2% Temporary, and 17% Contract. Highlights an 75% Physical, 6% Hybrid, and 19% Remote job distribution, with an average salary of $118,180 per year, or $56.8 per hour.

LLM Engineer/ AI/ML Engineer

Mclean, VA • On-site

Pyramid Consulting, Inc
See more jobs at Pyramid Consulting, Incexternal

Full-time

Re-posted 18 days ago

Job description

Job Summary:
Pyramid Consulting, Inc. is a leading company in the financial industry, and they are seeking a talented LLM Engineer/ AI/ML Engineer. The role involves designing, fine-tuning, and deploying Large Language Model solutions for various business use cases.
Responsibilities:
• Design, fine-tune, and deploy Large Language Model (LLM) solutions for business use cases.
• Integrate LLMs with applications using frameworks like LangChain.
• Implement prompt engineering and model optimization techniques.
• Evaluate model performance and continuously improve accuracy, speed, and cost efficiency.
• Stay current with advancements in Generative AI, LLM frameworks, and emerging tools.
Qualifications:
Required:
• Key skills; LLM, Gen AI, LangChain
• Design, fine-tune, and deploy Large Language Model (LLM) solutions for business use cases.
• Integrate LLMs with applications using frameworks like LangChain.
• Implement prompt engineering and model optimization techniques.
• Evaluate model performance and continuously improve accuracy, speed, and cost efficiency.
• Stay current with advancements in Generative AI, LLM frameworks, and emerging tools.
Company:
Pyramid Consulting, a global leader in workforce and technology solutions, empowers individuals and organizations to transform and thrive in the most challenging and competitive markets. Founded in 1996, the company is headquartered in Alpharetta, USA, with a team of 5001-10000 employees. The company is currently Late Stage.

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