AI/LLM Developer

Bigbear.ai; Arlington (VA); On-site; USD 140,000 - 190,000; Full time

Job summary

BigBear.ai is seeking a Mid-Level AI/LLM Developer to support TSA AI initiatives from concept to deployment. You will develop AI-enabled applications using Python, collaborate with cross-functional teams, and help design, test, and integrate solutions in a fast-paced environment.

The role requires a strong software engineering background, hands-on AI/LLM experience, and the ability to work with stakeholders across technical and functional areas. U.S.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, Information Technology, or a related field.
• 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 both 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.

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
• Leverage 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

Skills

AI/LLM development

Software engineering

Python development

Cloud technologies

Requirements gathering

Communication skills

Team collaboration

U.S. Citizenship

Education

Bachelor's degree in Computer Science or related field

Tools

AWS serverless architectures

Amazon Bedrock

Claude Code

GitHub Copilot

Job description

Residency

All applicants must currently reside in the United States

Overview

BigBear.ai is seeking a Mid-Level AI/LLM Developer to support the development and implementation of AI-focused initiatives and pilot efforts supporting the Transportation Security Administration (TSA). This role will contribute to the development of AI-enabled capabilities from concept through implementation and will work closely with technical and functional teams to design, develop, test, integrate, and deploy solutions.

The ideal candidate has a strong software engineering background and hands‑on experience developing applications that leverage artificial intelligence and large language models (LLMs).

What you will do

• 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
• Leverage 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

What you need to have

• Bachelor’s degree in Computer Science, Engineering, Information Technology, or a related field
• 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 both 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

What we'd like you to have

• 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

Pay transparency

Please note the targeted compensation range is provided as an estimate, and any actual compensation offer may vary depending on the needs of the company, or an applicant's skillset, competencies, experience, education, certifications, location, or other factors. The estimated range does not include the value of any benefits offered.

About BigBear.ai

BigBear.ai is a leading provider of AI-powered decision intelligence solutions for national security, supply chain management, and digital identity. Customers and partners rely on Bigbear.ai’s predictive analytics capabilities in highly complex, distributed, mission‑based operating environments. Headquartered in McLean, Virginia, BigBear.ai is a public company traded on the NYSE under the symbol BBAI. For more information, visit https://bigbear.ai/ and follow BigBear.ai on LinkedIn: @BigBear.ai and X: @BigBearai.

BigBear.ai is an Equal opportunity employer all protected groups, including protected veterans and individuals with disabilities.