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 Engineer (Remote) (Hiring Immediately)
Outlier AI
Washington, District of Columbia, US
part-time•
1w ago
Senior Lead AI Engineer (LLM Gateway, FM Hosting)
Capital One
McLean, Virginia, US
full-time•
6d ago
ML Engineer (LLM Systems)
Cynnovative
Arlington, Virginia, US
full-time•
2w ago
Development Engineer in Test (SDET) – ML & LLM Systems
TPX
Washington, District of Columbia, US
full-time•
1w ago
LLM Research Engineer, Model Optimization & Algorithms Development
Apple
Washington, District of Columbia, US
full-time
Senior Lead AI Engineer (LLM Customization and Finetuning)
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. Our projects focus on teaching these systems how to design, coordinate, and optimize complex, real-world architectural workflows.
Whether you are a passionate orchestration guru or experienced software developer — we want you to help us train the world's most advanced generative systems.
Ideal Qualifications
• 2+ years of experience in backend engineering, AI automation, or complex systems integration.
• Proven ability to build and maintain production-grade software with modular separation (e.g., distinct services for data parsing, logic processing, and reporting).
• Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases.
• Practical experience building for live, non-mocked environments and handling multi-turn system interactions.
• Outstanding attention to detail and the ability to provide clear, high-density technical feedback on complex system behaviors.
Nice to have
• Expertise building multi-stage coordination tasks where data acquisition leads to reasoned output.
• Hands-on experience integrating agents with live tools such as Supabase, Gmail, and various APIs to solve real-world problems.
• High level of comfort implementing persistent state and session discovery using MEMORY.md to track agent progress.
• Experience identifying subtle failures like privacy leaks, authority escalation, or indirect prompt injections.
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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Here are some of the latest openings matching this category. Browse the full list above to filter by location, experience, and employment type.
#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…
#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…
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…
#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…
#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…
#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…
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…
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/…
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…
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…
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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