Senior AI Software Engineer; LLM - Essex Management

Position: Senior AI Software Engineer (LLM) - Essex Management Senior AI Software Engineer (LLM) - Essex Management paternal leave, tuition reimbursement, 401(k), retirement plan, remote work United States, Maryland, Rockville Feb 22, 2026 Overview This position supports "Essex, an Emmes Company".

Essex is a biomedical informatics and health information technology-focused consultancy founded in 2009 and headquartered in Rockville, MD.

The Essex team comprises experts with extensive experience in strategically developing and managing complex health and biomedical information programs for clients in the Federal Government, research academia, and private sectors.

Emmes Group: Building a better future for us all.

Emmes Group is transforming the future of clinical research, bringing the promise of new medical discovery closer within reach for patients.

Emmes Group was founded as Emmes more than 47 years ago, becoming one of the primary clinical research providers to the US government before expanding into public-private partnerships and commercial biopharma.

Emmes has built industry leading capabilities in cell and gene therapy, vaccines and infectious diseases, ophthalmology, rare diseases, and neuroscience.

We believe the work we do will have a direct impact on patients' lives and act accordingly.

We strive to build a collaborative culture at the intersection of being a performance and people driven company.

We're looking for talented professionals eager to help advance clinical research as we work to embed innovation into the fabric of our company.

If you share our motivations and passion in research, come join us! Primary Purpose This is a senior AI Software Engineering role that works as part of the Modern Technology & Engineering (MT&E) team to bring advanced AI and computational modeling expertise to our precision oncology effort.

The ideal candidate combines strong experience in retrieval augmented generation (RAG), deep learning, graph neural networks, natural language processing, complex algorithm development with large-scale biomedical data integration with a strong understanding of clinical informatics.

As part of our Modern Technology & Engineering (MT&E) team, you will help design and develop scalable Agentic AI-driven workflows, train Large Language Models (LLMs), and deliver actionable insights that accelerate cancer research and treatment strategies.

The role provides a strong career growth opportunity in an innovative technology environment working in one of our nation's premier research organizations.

Responsibilities • Strong communication skills (oral and written).

Claude, ChatGPT). • Strong experience working with platforms such as AWS Bedrock to build GenAI and Agentic applications.

Qualifications • 4-6 years of experience building enterprise software systems that run in a Production AWS Cloud environment.

Why work at Emmes? At Emmes, your actions and hard work will have a direct impact on public health initiatives, both globally and in our local communities with opportunities for volunteerism through the Emmes Cares community engagement program.

We offer a competitive benefits package focused on the health and needs of our growing workforce, including: