Senior GenAI Developer

Apex Systems; Richmond (VA); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

ESPP

401(k) with company match

HSA

EAP

Training programs

Certification discounts

Job summary

Everforth Apex Systems in Virginia is seeking a Senior GenAI Developer to lead design, development, and deployment of GenAI solutions onsite in Richmond. The role emphasizes hands-on Python coding, large language models, and NLP techniques across data pipelines and model deployment.

The ideal candidate will have experience with LLMs like LLAMA2, GPT family, and toolsets such as PyTorch and HuggingFace, plus cloud platforms.

Qualifications

• Hands-on experience implementing GenAI projects.

Responsibilities

• Implement GenAI projects using open-source LLMs and proprietary APIs.

Skills

GenAI projects

Python development

NLP techniques

LLM fine-tuning

PyTorch/HuggingFace

Cloud platforms

Agile

Agentic AI

Tools

Pandas

NumPy

Scikit-learn

FAISS

Elastic Search

FastAPI

Flask

Streamlit

HuggingFace

PyTorch

Job description

Job#: 3046769

Senior GenAI Developer

Location: Richmond, Virginia (Onsite)

Role Overview

We are seeking a Senior Architect or Senior Developer with strong knowledge in building GenAI solutions. This role requires hands‑on coding experience in Python and a background in working on GenAI projects. The ideal candidate will also have knowledge of Machine Learning and Deep Learning.

Key Responsibilities

• Implement GenAI projects using open‑source LLMs (Llama, GPT OSS, Gemma, Mistral) and proprietary APIs (OpenAI, Anthropic).
• Fine‑tune Large Language Models like LLAMA2 and GPT-4 for various tasks using custom datasets.
• Develop prompts for Large Language Models such as GPT-4, GPT-3, LLAMA2, and Gemini Pro.
• Utilize Python for data analysis and feature engineering with libraries like Pandas and NumPy.
• Implement Retrieval Augmented Generation (RAG) solutions.
• Apply various machine learning models, including Support Vector Machine (SVM), Logistic Regression (LR), Random Forest, Naïve Bayes, and Neural Networks.
• Work with NLP techniques like word embeddings, topic modeling, and search (FAISS, Elastic Search).
• Build and integrate APIs (REST, FastAPI, Flask) for model deployment.
• Deploy machine learning models to platforms like Streamlit, HuggingFace Spaces, and Heroku.
• Fine‑tune and optimize open-source LLM/SLM.

Required Qualifications

Technical Skills

• Proven hands‑on experience in implementing GenAI projects.
• Expertise in prompting Large Language Models.
• Strong Python development skills, including experience with Pandas and NumPy.
• Strong background in Retrieval Augmented Generation implementations.
• Expertise in various machine learning models and NLP techniques.
• Experience with the application of Deep Learning to NLP tasks.
• Proficiency in Python libraries such as Scikit-learn, Pandas, numpy, NetworkX, and NLTK.
• Experience with machine learning libraries like PyTorch and HuggingFace.
• Familiarity with cloud platforms (AWS/Azure/GCP).
• Experience working with Agile methodology.
• Knowledge of Agentic AI frameworks and Orchestration.
• Experience in Discourse semantics, anaphora resolution, and related tools (Boxer, Neural DRS, JAMR).

General Skills

• Problem‑solving skills with a technical background.
• Strong written and oral communication skills.
• Ability to function in a team environment as well as individually.
• A quick learner with the ability to meet deadlines.

Preferred Qualifications

• Experience with SQL and other data tools.
• Familiarity with the Horizon toolset.
• Familiarity with Change Management processes.

Everforth Apex is a world‑class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on‑demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach.

Everforth Apex Systems is an equal opportunity employer.

We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law.

Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [email protected] or 804‑523‑8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

UnitedHealthcare creates and publishes the Transparency in Coverage Machine‑Readable Files on behalf of Everforth Apex Systems.

© 2026 Everforth, Inc. All rights reserved.

Everforth Apex Systems is part of the Commercial Segment of Everforth, Inc.

NYSE: EFOR

4400 Cox Road

Suite 200

Glen Allen, Virginia 23060

Everforth Apex is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804‑523‑8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine‑Readable Files on behalf of Everforth Apex.