LLM Engineer Jobs

Explore the latest LLM engineer jobs from companies hiring across the globe. This page features curated opportunities for AI engineers specializing in large language models, prompt engineering, fine-tuning, and LLM-powered application development.

Outlier AI

LLM Engineer (Remote) (Hiring Immediately)

Outlier AI

Washington, District of Columbia, US
part-time
1w ago
Capital One

Senior Lead AI Engineer (LLM Gateway, FM Hosting)

Capital One

McLean, Virginia, US
full-time
6d ago
Cynnovative

ML Engineer (LLM Systems)

Cynnovative

Arlington, Virginia, US
full-time
2w ago
TPX

Development Engineer in Test (SDET) – ML & LLM Systems

TPX

Washington, District of Columbia, US
full-time
1w ago
Apple

LLM Research Engineer, Model Optimization & Algorithms Development

Apple

Washington, District of Columbia, US
full-time
Capital One

Senior Lead AI Engineer (LLM Customization and Finetuning)

Capital One

Location not specified
full-time and part-time
Scale

LLM Reasoning Scientist & Prototyping Engineer

Scale

Washington, District of Columbia, US
full-time
3w ago
Inherent Technologies

Remote AI & LLM Engineer (GCP)

Inherent Technologies

Washington, District of Columbia, US
full-time
1w ago
Apetan Consulting LLC

LLM Engineer / Remote

Apetan Consulting LLC

New Jersey, US
full-time
13h ago

Senior AI and Language Model; LLM Engineer

NIH-NCBI

Bethesda, Maryland, US
full-time
3d ago
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LLM Engineer Jobs: At a Glance

Insights drawn from the latest openings on this page so you can compare employers, locations, and pay before applying.

Top Companies Hiring

  • Capital One2 roles
  • Outlier AI1 role
  • Cynnovative1 role
  • TPX1 role
  • Apple1 role
  • Scale1 role

Top Locations

  • District of Columbia, US5 roles
  • Virginia, US2 roles
  • New Jersey, US1 role
  • Maryland, US1 role

Most listings on this page are on-site or hybrid.

Salary Range Overview

Across 10 listings, advertised pay ranges from USD 100k to USD 325k.

Typical band: USD 145k 215k.

Figures reflect employer-disclosed salaries on current openings and may vary by location, experience, and company stage.

Employment Types

  • Full-Time8 roles
  • Part-Time1 role
  • Full-Time And Part-Time1 role

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Featured LLM Engineer Jobs

Here are some of the latest openings matching this category. Browse the full list above to filter by location, experience, and employment type.

  1. #1LLM Engineer (Remote) (Hiring Immediately)

    Outlier AIWashington, District of Columbia, USPart-TimePosted May 14, 2026

    About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. Do you want to shape the future of autonomous agents like OpenClaw? We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. O

    View & Apply →
  2. #2Senior Lead AI Engineer (LLM Gateway, FM Hosting)

    Capital OneMcLean, Virginia, USFull-TimePosted May 15, 2026

    Senior Lead AI Engineer (LLM Gateway, FM Hosting) Overview: At Capital One, we are creating responsible and reliable AI systems, changing banking for good. For years, Capital One has been an industry leader in using machine learning to create real-time, personalized customer experiences. Our investments in technology i

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  3. #3ML Engineer (LLM Systems)

    CynnovativeArlington, Virginia, USFull-TimePosted May 2, 2026

    Company Overview At Cynnovative, we leverage machine learning, computer science, and software engineering to address high-impact problems in the cyber domain, specifically those which are critical to U.S. national security. We primarily extend fundamental research to invent, design, develop, and deploy prototype soluti

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  4. #4Development Engineer in Test (SDET) – ML & LLM Systems

    TPXWashington, District of Columbia, USFull-TimePosted May 12, 2026

    Make your mark at Comcast -- a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award-winning technology team that turns big ideas into c

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  5. #5LLM Research Engineer, Model Optimization & Algorithms Development

    AppleWashington, District of Columbia, USFull-TimeUSD 140k–258k / year

    The Science Model Optimization and Algorithms Development team brings innovative AI research into Apple products. Description We are looking for strong ML researchers, applied scientists and engineers to build ground breaking server-based and on-device large machine learning capabilities and emerging innovations. We ar

    View & Apply →
  6. #6Senior Lead AI Engineer (LLM Customization and Finetuning)

    Capital OneLocation not specifiedFull-Time And Part-Time

    Senior Lead AI Engineer (LLM Customization and Finetuning) Overview: At Capital One, we are creating responsible and reliable AI systems, changing banking for good. For years, Capital One has been an industry leader in using machine learning to create real-time, personalized customer experiences. Our investments in tec

    View & Apply →
  7. #7LLM Reasoning Scientist & Prototyping Engineer

    ScaleWashington, District of Columbia, USFull-TimeUSD 220k–325k / yearPosted Apr 27, 2026

    A leading AI technology company in Seattle seeks a Machine Learning Research Scientist/Engineer to transform research ideas into prototypes. Check out the role overview below If you are confident you have got the right skills and experience, apply today. Candidates should have practical experience with large language m

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  8. #8Remote AI & LLM Engineer (GCP)

    Inherent TechnologiesWashington, District of Columbia, USFull-TimeUSD 120k–150k / yearPosted May 14, 2026

    Inherent Technologies is seeking an experienced AI/LLM Engineer to design and build AI-driven solutions within Google Cloud Platform. The candidate will focus on developing use cases using LLMs and RAG architectures to enhance data-driven applications. A minimum of 6 years IT experience, along with strong skills in AI/

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  9. #9LLM Engineer / Remote

    Apetan Consulting LLCNew Jersey, USFull-TimePosted May 20, 2026

    Job Title: LLM Engineer / Remote Location : Remote Job Summary We are looking for an LLM Engineer to design, develop, and optimize applications powered by Large Language Models (LLMs). The role involves building AI solutions, integrating language models, and ensuring reliable and scalable AI performance. Key Responsibi

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  10. #10Senior AI and Language Model; LLM Engineer

    NIH-NCBIBethesda, Maryland, USFull-TimeUSD 100k–125k / yearPosted May 18, 2026

    Position: Senior AI and Large Language Model (LLM) Engineer Senior AI and Large Language Model (LLM) Engineer NIH-Bethesda LOCATION: Bethesda, Maryland (On-site / Not-remote) Overview We are seeking an experienced AI/LLM Engineer to lead the design, customization, and integration of large language models (LLMs) into bi

    View & Apply →

About LLM Engineer Jobs

Explore the latest LLM engineer jobs from companies hiring across the globe. This page features curated opportunities for AI engineers specializing in large language models, prompt engineering, fine-tuning, and LLM-powered application development.

LLM Engineers build applications powered by large language models including GPT, Claude, Llama, Mistral, and Gemini. They design RAG (Retrieval-Augmented Generation) pipelines, implement prompt engineering strategies, fine-tune models for domain-specific tasks, and build evaluation frameworks to ensure output quality. Employers seek candidates with experience in Python, LangChain, LlamaIndex, vector databases (Pinecone, Weaviate, Chroma), and model serving infrastructure.

These roles are among the fastest-growing in tech, with demand spanning AI startups, enterprise AI teams, consulting firms, and virtually every industry adopting generative AI. Experience with model quantization, RLHF, embedding models, and responsible AI practices is increasingly valued.

Our curated listings include remote, hybrid, and onsite positions across global markets. LLM engineer roles often command premium compensation due to the high demand and specialized skill set required.

Each job posting provides detailed technical requirements, LLM ecosystem expertise needed, and application instructions to help you find the right large language model engineering role.

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