AI/LLM Developer

Overview BigBear.ai•Arlington, VA

About The Position

BigBear.ai is seeking a Mid-Level AI/LLM Developer to support the development and implementation of AI-focused initiatives and pilot efforts for the Transportation Security Administration (TSA). The developer will contribute to AI-enabled capabilities from concept through implementation, collaborating with technical and functional teams to design, develop, test, integrate, and deploy solutions. The role calls for a strong software engineering background and hands-on experience building applications that use artificial intelligence and large language models (LLMs). BigBear.ai provides AI-powered decision intelligence solutions for national security, supply chain management, and digital identity. It is headquartered in McLean, Virginia, and is a public company traded on the NYSE under the symbol BBAI.

Requirements

  • Bachelor’s degree in Computer Science, Engineering, Information Technology, or a related field.
  • At least 5 years of relevant professional experience.
  • Hands-on experience developing AI- or LLM-enabled applications.
  • Strong software engineering and application development experience.
  • Experience supporting solution design, development, testing, deployment, and integration.
  • Strong analytical, problem-solving, and communication skills.
  • Ability to collaborate effectively with technical and functional stakeholders.
  • U.S. citizenship is required.
  • Ability to obtain and maintain a DHS/TSA Moderate-Risk Public Trust or equivalent federal suitability determination.

Nice To Haves

  • Experience with Python development.
  • Experience with AWS serverless architectures.
  • Experience with Amazon Bedrock or similar generative AI platforms.
  • Experience working with large language models and prompt engineering.
  • Experience with model evaluation and performance optimization.
  • Experience developing and integrating APIs.
  • Experience using AI-enabled development tools such as Claude Code, GitHub Copilot, or similar technologies.
  • Experience developing production-ready AI applications in a federal or enterprise environment.
  • Existing or prior TSA/DHS Public Trust clearance is strongly preferred.
  • Local to the Springfield, VA area is preferred.

Responsibilities

  • Develop and implement AI- and LLM-enabled applications and capabilities.
  • Support AI pilot initiatives from initial concept through testing, integration, and deployment.
  • Design and develop software solutions using Python and modern cloud technologies.
  • Work with technical and functional stakeholders to understand requirements and translate them into technical solutions.
  • Support API development, system integration, testing, troubleshooting, and deployment activities.
  • Develop and evaluate prompts and LLM-based solutions to improve application performance and usability.
  • Use AI-assisted development tools to improve software development efficiency.
  • Contribute to the development of production-ready AI solutions and technical documentation.
  • Collaborate in a fast-paced environment supporting emerging technology initiatives.
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