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Senior Fastapi Jobs in Virginia (NOW HIRING)

Technology Ventures

Senior GenAI Engineer

Reston, VA · On-site

$108K - $149K/yr

Senior GenAI Engineer Location : 3 days onsite / week Reston Town Center, Reston, VA USA 20190 ... Build scalable backend services using Python, FastAPI, and Pydantic . Develop and deploy LLM ...

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IntelliTech

Senior Data AI Engineer

Alexandria, VA · On-site +1

$103K - $140K/yr

The platform is a supply chain simulation solution built on Python, FastAPI, and React that enables ... This is a hands-on role on a lean, senior team. The ideal candidate is comfortable writing ...

Peraton

Senior AI/ML Software Engineer

Herndon, VA

$146K - $234K/yr

Senior AI/ML Software Engineer Job Locations US-MD-Annapolis Junction | US-VA-Herndon | US-VA ... Develop full-stack product features (FastAPI + React) that surface AI capabilities to users - from ...

Zetier

Full-Stack Engineer

Arlington, VA · Hybrid

Senior Full-Stack Engineer Zetier is seeking a senior full-stack engineer to build modern, secure ... Flask, FastAPI) * Familiar with responsive design frameworks (Bootstrap, Material) * Practical ...

Zetier

Full-Stack Engineer

Arlington, VA · On-site

Senior Full-Stack Engineer Zetier is seeking a senior full-stack engineer to build modern, secure ... Flask, FastAPI) * Familiar with responsive design frameworks (Bootstrap, Material) * Practical ...

Noblis

Senior Software Architect with AI/ML Focus

Reston, VA · On-site

$136K - $186K/yr

Responsibilities Noblis is seeking a Senior Software Architect to design, develop, and deploy full ... Flask, Django, FastAPI, or Express.js * Databases: PostgreSQL or MySQL; experience with ...

Noblis

Senior Software Architect with AI/ML Focus

Lorton, VA · On-site

$130K - $178K/yr

Responsibilities Noblis is seeking a Senior Software Architect to design, develop, and deploy full ... Flask, Django, FastAPI, or Express.js * Databases: PostgreSQL or MySQL; experience with ...

Peraton

Senior AI/ML Software Engineer

Herndon, VA · On-site

$146K - $234K/yr

Responsibilities Peraton Labs is seeking a Senior AI/ML Software Engineer to join the Labs Agentic ... Develop full-stack product features (FastAPI + React) that surface AI capabilities to users - from ...

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Senior Fastapi information

What is the difference between Senior Fastapi vs Backend Developer?

AspectSenior FastapiBackend Developer
Primary FocusBuilding APIs with Fastapi frameworkDeveloping server-side logic across various frameworks
Required SkillsPython, Fastapi, async programming, REST API designPython, multiple frameworks (Django, Flask, Fastapi), database management
Work EnvironmentTech companies, startups, cloud-based projectsVaried industries, enterprise and startup environments
CertificationsPython certifications, Fastapi experiencePython certifications, general backend development certifications

Senior Fastapi specialists focus specifically on building high-performance APIs using the Fastapi framework, often requiring expertise in async programming and REST API design. Backend Developers have a broader scope, working across multiple frameworks and technologies to develop server-side logic. While both roles require Python skills, Senior Fastapi roles are more specialized, whereas Backend Developers have a wider range of tools and responsibilities.

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Senior Fastapi jobs near you
Senior GenAI Engineer

Senior GenAI Engineer

Technology Ventures

Reston, VA • On-site

$108K - $149K/yr

Other

Posted yesterday

Job description

Job Title : Senior GenAI Engineer

Location : 3 days onsite / week Reston Town Center, Reston, VA USA 20190 Duration : 12 months Contract to start

Senior Full Stack GenAI Engineer with 10+ years of experience to design and build agentic AI solutions that automate enterprise workloads and business processes.
The ideal candidate will have strong expertise in Python-based backend development, LLM-powered applications, cloud-native deployment, vector databases, and modern DevOps practices. This role involves building end-to-end AI systems that integrate with enterprise platforms, automate workflows, and deliver production-grade AI applications.
Key Responsibilities
Design and develop agentic AI applications that automate enterprise workflows and decision-making processes.
Build scalable backend services using Python, FastAPI, and Pydantic.
Develop and deploy LLM-powered applications using models such as GPT and Claude.
Build AI agents and orchestration workflows using LangChain or Strands.
Implement Retrieval Augmented Generation (RAG) solutions using vector databases (pgvector, Pinecone, Weaviate).
Perform data analysis, preparation, and curation to build high-quality datasets for AI and knowledge retrieval systems.
Design and implement document ingestion pipelines for enterprise knowledge sources such as SharePoint, Confluence, and Jira.
Deploy AI workloads on AWS (Bedrock, ECS Fargate, S3) with proper security and scalability practices.
Develop and integrate enterprise APIs using REST, GraphQL, WebSockets, and web services.
Implement secure authentication and authorization using Ping Identity, OAuth2, OIDC, and SSO.
Build user interfaces for AI applications using ReactJS or Streamlit.
Required Skills
Backend & APIs
Python
FastAPI
Pydantic
REST APIs, GraphQL, WebSockets

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