Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

AI/LLM Developer

BigBear.ai

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 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.
Vacancy posted 4 days ago
Similar jobs that could be interesting for youBased on the AI/LLM Developer in Arlington, VA vacancy
  • $229.9k - $262.4k

    AI Engineer 5 (FM Hosting, LLM Inference) At Capital One, we are creating responsible and reliable AI systems, changing banking for good. For years...  ...how our customers interact with Capital One. Design, develop, test, deploy, and support AI software components... 
    Suggested
    Full time
    Part time
    Local area

    Capital One

    McLean, VA
    3 days ago
  • $229.9k - $262.4k

    AI Engineer 5 (AI Foundations, LLM Core and Agentic AI) At Capital One, we are creating responsible and reliable AI systems, changing banking for good...  ...how our customers interact with Capital One. Design, develop, test, deploy, and support AI software components... 
    Suggested
    Full time
    Part time
    Local area

    Capital One

    McLean, VA
    3 days ago
  • $121k - $140k

     ...Job Description Job Description TechOp Solutions International is looking for AI/LLM Developer to support the development and implementation of AI initiatives and pilot projects across the program. This individual will collaborate with technical and functional teams... 
    Suggested
    Contract work

    TechOp Solutions International

    Washington DC
    13 days ago
  • $229.9k - $262.4k

    AI Engineer 5 (AI Foundations, LLM Core and Agentic AI) At Capital One, we are creating responsible and reliable AI systems, changing banking for good...  ...how our customers interact with Capital One. Design, develop, test, deploy, and support AI software components... 
    Suggested
    Full time
    Part time
    Local area

    Capital One

    Mc Lean, VA
    2 days ago
  •  ...Meghana GorusuCompany: SRI Tech SolutionsJob Summary: - Position: AI Developer - Hybrid Position - Location: Washington DC - Key...  ...development principles and version control - Familiarity with GenAI and LLM Tools - Experience with Azure or Google platform - Company: SRI... 
    Suggested

    SRI Tech

    Washington DC
    4 days ago
  • $140k - $190k

    OverviewWe are looking for a highly skilled AI Developer to design, build, and optimize advanced AI solutions across predictive, generative...  ...stakeholders.ContributionsDevelop end-to-end AI solutions including LLM-powered applications, predictive ML models, multi-agent... 

    Steampunk

    McLean, VA
    4 days ago
  • $73.4k - $136.3k

     ...days, Cristal City, Arlington, VAResponsibilitiesDesign, develop, test, and maintain AI agents and generative AI applications using Python.Develop...  ...Hands-on experience developing AI agents, agentic workflows, LLM-based applications, or comparable generative AI... 
    Minimum wage
    Full time
    Contract work
    Flexible hours

    DXC Technology

    Arlington, VA
    3 days ago
  • $229.9k - $262.4k

     ...we are creating responsible and reliable AI systems, changing banking for good. For years...  ...interact with Capital One. Design, develop, test, deploy, and support AI software components...  .... Invent and introduce state-of-the-art LLM optimization techniques to improve the performance... 
    Full time
    Part time
    Local area

    Capital One

    Mc Lean, VA
    4 days ago
  • Vantor Holdings, Inc. is seeking a senior AI/ML engineer to develop and maintain AI-enabled applications, focusing on agent-based workflows, LLM integration, and RAG pipelines. You will design architectures, orchestrate tools, and build REST APIs to enable data retrieval... 

    Vantor Holdings, Inc.

    Mc Lean, VA
    5 days ago
  • B4Corp in McLean, VA is seeking AI/ML Engineers to build and maintain AI/ML-enabled applications, focusing on LLM integration, agent-based workflows, and RAG capabilities...  ...SCI clearance with a polygraph and involves developing REST APIs, Python services, and enterprise data... 

    B4Corp

    Mc Lean, VA
    2 days ago
  •  ...client, a leading defense and technology contractor, is adding LLM and agentic AI capabilities to enterprise Java applications that serve...  ...improvements to the architecture, and mentor junior and mid level developers. Required Master’s degree and 5+ years, Bachelor’s... 
    Full time
    For contractors

    ETHOS - Talent & Advisory

    Washington DC
    1 hour ago
  • $272k - $431.25k

     ...throughput, low-latency inference framework for serving generative AI and reasoning models across multi-node distributed environments....  ...platform enables efficient, resilient deployment of cutting-edge LLM workloads.We are seeking a Principal Systems Engineer to define... 
    Full time
    Local area
    Remote work

    Nvidia

    Washington DC
    4 days ago
  •  ...and strategic change. ASI Government is seeking an Agentic AI Developer to join our growing AI Practice. In this role, you will design...  ...Design and build agentic AI workflows: large language model (LLM) agents that use tools, retrieve from documents and data, and complete... 
    Full time
    Contract work
    Flexible hours

    ASI Government

    Washington DC
    4 hours ago
  •  ...Position Summary Precise Software Solutions Inc. is seeking an AI Developer to build and maintain the data pipelines, knowledge bases, and...  .... • Develop Python services, APIs, and Large Language Model (LLM) integrations, including prompt templates, structured outputs,... 
    Permanent employment
    Temporary work
    Internship
    Work at office
    Flexible hours
    3 days per week

    PRECISE SOFTWARE SOLUTIONS INCORPORATED

    Washington DC
    25 days ago
  •  ...AI Developer IV, Scientific and Environmental Programs (Remote)  About the Opportunity The AI Developer IV will join the Product and...  ...teams who depend on it. The work spans generative and agentic AI, LLM integrations, RAG and knowledge solutions, APIs, and cloud-... 
    Full time
    Remote work

    Select Source Solutions

    Arlington, VA
    19 days ago
  • $55k - $85k

     ...Job Description Job ID: 2026_10_JAID Role/Title: Jr. AI Developer Priority: High – Immediate Hire Hybrid Opportunity -...  ...scalable automation and workflow solutions. Build and implement LLM-based solutions, including: Retrieval-Augmented Generation (... 
    Full time
    Contract work
    Temporary work
    Local area
    Immediate start
    Remote work
    Visa sponsorship
    Monday to Friday
    Flexible hours

    iCatalyst Inc

    McLean, VA
    5 days ago
  • Overview We are looking for a highly skilled Senior AI Developer to design, build, and optimize advanced AI solutions across predictive, generative...  .... Responsibilities Develop end‑to‑end AI solutions including LLM‑powered applications, predictive ML models, multi‑agent... 

    UNAVAILABLE

    Mc Lean, VA
    2 days ago
  • $170k - $200k

     ...intelligence environments. They’re making their first dedicated AI Engineering hire in the US - a key appointment that will work...  ...productionise AI systems, GenAI and agentic AI capabilities Develop LLM-powered features and AI agents that solve complex, real-world... 
    Full time

    TheDriveGroup

    Arlington, VA
    1 day ago
  •  ...capabilities, while also conducting cutting-edge research into AI/LLM security risks. You will work closely with the blue team, threat...  ...1) to validate detection and incident response capabilities Develop and maintain custom offensive tools, C2 frameworks, and evasion... 
    Full time
    Contract work

    ByLabs

    Washington DC
    4 days ago
  •  ...About the Role We are looking for an AI SOC Engineer who combines deep offensive/defensive...  ...payloads, automated reconnaissance, LLM-assisted social engineering) and proactively...  ...engineering skills; able to independently develop AI-assisted security tools and automation... 
    Full time

    ByLabs

    Washington DC
    4 days ago
  • $167k - $203k

     ...Company Our client is a venture-backed AI security company helping government and enterprise...  ...integrations, support deployments, and develop demos, prototypes, and workflows that help...  ...AI/ML systems, including generative AI, LLM applications, model evaluation, guardrails... 
    Full time
    Remote work

    Sitreps 2 Steercos

    Washington DC
    15 hours ago
  • $91.1k - $179.5k

     ...on our clients’ success. We are hiring an AI Engineer to build and operate the data, features...  ...model training, real-time inference, and LLM applications using Claude-, GPT/Codex-,...  ....com. Recruiting tips From developing a stand out resume to putting your best foot... 
    Local area

    Deloitte

    McLean, VA
    15 hours ago
  • $77.6k - $176k

    Secure AI EngineerThe Opportunity: Are you looking for an opportunity to use your knowledge...  ...other adversarial techniques. You will develop recommendations and technical mitigations...  ...frameworks, including the OWASP Top 10 for LLM applications, NIST AI Risk Management... 
    Full time
    Contract work
    Part time
    Local area
    Remote work

    Booz Allen Hamilton

    Washington DC
    1 day ago
  • $99k - $225k

    AI DeveloperThe Opportunity:As an experienced AI engineer, you know that AI systems are critical to understanding and processing massive...  ...to support optimizing organizational efficiency. As an AI Developer on our Air Power team, you’ll train, test, deploy, and maintain... 
    Full time
    Contract work
    Part time
    Local area
    Remote work

    Booz Allen Hamilton

    Washington DC
    1 day ago
  • $99k - $225k

    Agentic AI Forward-Deployed EngineerThe Opportunity:As an AI-forward engineer, you know...  ...already use rather than forcing a migration.Develop evaluation frameworks, golden datasets,...  ...agent orchestrationExperience deploying an LLM-powered system or AI agent into a production... 
    Full time
    Contract work
    Part time
    Local area
    Remote work

    Booz Allen Hamilton

    McLean, VA
    3 days ago
  • $112.8k - $257k

    Agentic AI EngineerThe Opportunity:AI is moving fast and the most consequential work is...  ...architectures that can reason, plan, and take actions.Develop and deploy collaborative multi-agent...  ...function calling patterns across multiple LLM providersExperience fine-tuning LLMs or... 
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    McLean, VA
    15 hours ago
  •  ...candidate to join our talented Team.Job Title: AI EngineerJob Location: Mclean, VAJob...  ...focuses on enabling Large Language Model (LLM)-based development workflows using AWS Bedrock...  ...while ensuring reliability, security, and developer productivity.Key Responsibilities:Support... 

    Ampcus

    McLean, VA
    4 days ago
  • $99k - $225k

    AI EngineerThe Opportunity:As an AI engineer, you’ll design and deliver production-grade AI systems. You’ll own RAG pipelines, evaluation...  ...systems, including AI/ML applicationsExperience building LLM systems using RAG frameworks such as LangChain and LlamaIndex, or... 
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    McLean, VA
    3 days ago
  • $122k - $240.5k

     ...on our clients’ success. We are hiring an AI Engineer to build and operate the data, features...  ...model training, real-time inference, and LLM applications using Claude-, GPT/Codex-,...  ....com. Recruiting tips From developing a stand out resume to putting your best foot... 
    Local area
    Visa sponsorship

    Deloitte

    McLean, VA
    15 hours ago
  • $142.8k - $274.8k

     ...Engineer already at the forefront of agentic AI development someone who uses agents to...  ...platform that brings those capabilities to every developer at Microsoft Do you have strong opinions...  ...tasks OpenAI Codex / ChatGPT LLM-based code generation and explanation Cursor... 
    Ongoing contract
    Full time
    Local area

    Microsoft

    Washington DC
    9 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to AI/LLM Developer. Be the first to apply!