8 fastapi developer jobs at 4 companies in Montross, VA
1mo
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Senior AI Developer
Dahlgren, Virginia, United States
$106k-$185k/yr HybridFull Time
3+ YOERequires active Secret clearance and ability to obtain TS/SCI, DoDD 8140.01 IAM Level I, strong Python experience (FastAPI a plus), experience with AI frameworks (Haystack, LangChain, LlamaIndex), RAG workflows, context engineering, MCP servers, and model evaluation.
Python, FastAPI, Haystack, LangChain, LlamaIndex, Model Context Protocol (MCP), RAG
2mo
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Applied AI Engineer
Fort Belvoir or Reston
$99k-$225k/yr HybridFull Time
3+ YOE3+ years in software engineering, applied AI/ML, or full-stack development; Python; API development; TS/SCI clearance; Bachelor's degree.
Python, FastAPI, Flask, Streamlit, Gradio, React, TypeScript
5d
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Applied AI Engineer
Fort Belvoir or Reston
$99k-$225k/yr OnsiteFull Time
3+ YOERequires 3+ years in software engineering, applied AI/ML, or full-stack development; Python and AI integration experience; TS/SCI clearance; and a bachelor's degree.
Python, FastAPI, Flask, Streamlit, Gradio, React, TypeScript, Microsoft Internet Explorer, Google Chrome, Mozilla Firefox, Microsoft Edge, Apple Safari, Opera Browser, Blackberry Browser
4d
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Applied AI Engineer
Fort Belvoir, Virginia, United States
$99k-$225k/yr OnsiteFull Time
3+ YOEBachelor's degree, 3+ years in software engineering, applied AI/ML, or full-stack development, Python and AI API or UI framework experience, and TS/SCI clearance required.
Python, FastAPI, Flask, Streamlit, Gradio, React, TypeScript
3d
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Data Engineer [Palantir Foundry] - Clearance Required
Fort Belvoir, Virginia, United States
$83k-$145k/yr OnsiteFull Time
5+ YOEBachelor's degree and 5–7 years of data engineering experience, including 3+ years with Palantir Foundry/Vantage, SQL, advanced analytics, ETL/ELT, Python, and database performance. Active Secret clearance required.
Palantir Foundry, Vantage, SQL, PySpark, Python, Pandas, Microsoft Azure, Databricks, Azure Synapse, Azure Data Factory, Microsoft Power BI, Microsoft Power Automate, Microsoft Power Apps, Java, TypeScript, React, Express.JS, Flask, FastAPI, OpenAI, Anthropic Claude, LangChain, Storybook
3d
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Data Engineer [Palantir Foundry] - Clearance Required
Fort Belvoir, Virginia, United States
$83k-$145k/yr OnsiteFull Time
5+ YOEBachelor's degree and 5–7 years of data engineering experience, including 3+ years with Palantir Foundry/Vantage, SQL, analytics, and programming. Active Secret clearance required.
Palantir Foundry, Vantage, SQL, Python, Shell Scripting, Pandas, PySpark, Azure, Databricks, Synapse, Data Factory, Microsoft Power Platform, Microsoft Power BI, Microsoft Power Automate, Microsoft Power Apps, Java, TypeScript, React, Express.JS, Flask, FastAPI, OpenAI, Anthropic Claude, LangChain, Storybook
3d
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Senior Data Engineer [Palantir Foundry] - Clearance Required
Fort Belvoir, Virginia, United States
$122k-$212k/yr OnsiteFull Time
10+ YOEBachelor's degree and 10 years of data engineering experience, including 7+ years with Teradata Vantage, SQL, and advanced analytics. Requires Python or Shell Scripting and active Secret clearance.
Palantir Foundry, Teradata Vantage, SQL, PySpark, Java, Azure, Databricks, Microsoft Azure Synapse, Microsoft Azure Data Factory, Microsoft Power BI, Microsoft Power Automate, Microsoft Power Apps, Python, TypeScript, React, Express.JS, Flask, FastAPI, OpenAI, Anthropic Claude, LangChain, Storybook
3d
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Senior Data Engineer [Palantir Foundry] - Clearance Required
Fort Belvoir, Virginia, United States
$122k-$212k/yr OnsiteFull Time
10+ YOEBachelor’s degree and 10 years of data engineering experience, including 7+ years with Teradata Vantage, SQL, and advanced analytics; Python or shell scripting; active Secret clearance required.
Palantir Foundry, Teradata Vantage, SQL, PySpark, Java, Python, Shell Scripting, TypeScript, React, Express.JS, Flask, Fast API, Azure, Databricks, Synapse, Data Factory, Microsoft Power BI, Microsoft Power Automate, Microsoft Power Apps, OpenAI, Anthropic Claude, LangChain, Storybook