Onyx Government Services,LLC

Full Stack AI/ML Developer

Chantilly, VA
Full Time
Mid Level

Company Overview

Onyx Government Services, LLC is a Service-Disabled Veteran-Owned Small Business (SDVOSB) based in Northern Virginia. We provide mission-focused technology solutions to federal agencies, with a commitment to security, innovation, and operational excellence.

Location:
Hybrid: Remote & Onsite in Chantilly, VA
This role requires occasional onsite presence, and preference will be given to candidates located within a commutable distance to Chantilly, VA.

Key Responsibilities
We’re seeking a mid to senior level developer with a strong foundation in AI/ML and full stack development. Collaborate with the Leadership, Business Development and R&D teams to prototype new AI solutions to support our federal customers. 


AI/ML Development

  • Research, design, and implement advanced AI solutions, including LLMs, retrieval-augmented generation (RAG), and agent-based systems.
  • Build scalable training, fine-tuning, and inference pipelines for machine learning and generative AI models.
  • Conduct feasibility studies and align AI/ML architectures with business objectives.
  • Develop computer vision, NLP, and multi-modal AI pipelines as needed.
  • Monitor and optimize deployed models for performance, reliability, and cost efficiency.

Data Engineering & Processing

  • Design and maintain robust data pipelines for structured and unstructured data ingestion at scale.
  • Transform, clean, and normalize raw data into high-quality analytical formats for downstream AI use.

Full Stack & Visualization

  • Build user-facing dashboards, tools, and interfaces for AI-driven insights and workflows.
  • Design intuitive and interactive visualizations for exploring data, relationships, and model outputs.
  • Collaborate with stakeholders to translate requirements into functional and accessible solutions.

DevOps & Cloud Infrastructure

  • Architect and manage cloud-native environments to support AI/ML and full-stack applications.
  • Ensure scalability, monitoring, and high availability of production systems.
  • Set up CI/CD pipelines for continuous integration and deployment of both code and AI models.

Qualifications
  • 3–5+ years of professional experience in software engineering and preferrable experience in data engineering and applied AI/ML.
  • Experience in end-to-end AI solution development—from data pipelines and modeling to deployment and integration.
  • Experience building and deploying systems involving LLMs, RAG, NLP, or multi-modal AI.
  • Proficiency in Python for backend, data, and analytical workflows. 
  • Background in or extensive exposure to full-stack web development, including building APIs, services, and interactive UIs.
  • Hands-on experience with cloud platforms (AWS, Azure, or GCP) and containerized environments.
  • Understanding of machine learning concepts (neural networks, transformer architectures, reinforcement learning, etc.).
  • Grasp of distributed systems, event-driven workflows, and real-time data processing.
Bonus Experience
  • Developing investigative, analytical, or visualization tools for unstructured data.
  • Working with knowledge graphs, large-scale search, or social intelligence platforms.
  • Familiarity with reinforcement learning or agentic system design.
  • Experience with JavaScript/TypeScript, Java, etc.
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