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Fastapi Python Jobs in Virginia (NOW HIRING)

Peraton

Senior AI/ML Software Engineer

Reston, VA · On-site

$146K - $234K/yr

FastAPI/Python backends, React frontends, Docker containerization, and PostgreSQL * A product mindset: you think about the end user, not just the technical implementation * Comfort operating with ...

Peraton

Senior AI/ML Software Engineer

Herndon, VA

$146K - $234K/yr

FastAPI/Python backends, React frontends, Docker containerization, and PostgreSQL * A product mindset: you think about the end user, not just the technical implementation * Comfort operating with ...

Peraton

Senior AI/ML Software Engineer

Reston, VA

$146K - $234K/yr

FastAPI/Python backends, React frontends, Docker containerization, and PostgreSQL * A product mindset: you think about the end user, not just the technical implementation * Comfort operating with ...

Peraton

Software Engineer - Agentic AI Platform

Reston, VA · On-site

$104K - $166K/yr

FastAPI/Python backends, React frontends, Docker containerization, and PostgreSQL * A product mindset: you think about the end user, not just the technical implementation * Comfort operating with ...

Interon IT Solutions

AI/ML Engineer

Reston, VA · On-site

Develop scalable, high-performance Python microservices using FastAPI/Flask for data pipelines, real-time analytics, and model inference. * Architect and operationalize RAG pipelines , embeddings ...

WorkNova LLC

Python Developer

Reston, VA · On-site

$52.25 - $72/hr

Python Developer with AWS Reston, VA, 3 days onsite in a week Need to go for F2F interview ... or FastAPI • Knowledge of authentication and authorization mechanisms (JWT, OAuth2) • ...

NT Concepts

Python Developer

Herndon, VA · On-site +1

$51.75 - $71.25/hr

Experience designing and implementing RESTful APIs using Python frameworks (FastAPI, Flask, Django) * Unit Testing: Expertise with PyTest including test-driven development (TDD), mocking, fixtures ...

NT Concepts

Python Developer

Herndon, VA · On-site

$51.75 - $71.25/hr

Experience designing and implementing RESTful APIs using Python frameworks (FastAPI, Flask, Django) * Unit Testing: Expertise with PyTest including test-driven development (TDD), mocking, fixtures ...

1 point system

AI/ML Engineer

Reston, VA · On-site

Develop high‑performance Python microservices (FastAPI/Flask) enabling scalable data pipelines, model inference, and real‑time analytics. * Architect and operationalize RAG pipelines, embeddings ...

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Fastapi Python information

What is the difference between Fastapi Python vs Django Developer?

AspectFastapi PythonDjango Developer
Primary FocusBuilding high-performance APIsDeveloping full-stack web applications
FrameworkFastapiDjango
Work EnvironmentBackend API services, microservicesWeb applications, content management systems
Required SkillsPython, asynchronous programming, REST APIsPython, Django framework, HTML/CSS, databases

Fastapi Python developers specialize in creating fast, scalable APIs using the Fastapi framework, often for microservices and backend systems. Django developers focus on building comprehensive web applications with integrated features. Both roles require Python, but Fastapi emphasizes performance and asynchronous programming, while Django offers a full-stack solution.

What are popular job titles related to Fastapi Python jobs in Virginia? For Fastapi Python jobs in Virginia, the most frequently searched job titles are:
What job categories do people searching Fastapi Python jobs in Virginia look for? The top searched job categories for Fastapi Python jobs in Virginia are:
What cities in Virginia are hiring for Fastapi Python jobs? Cities in Virginia with the most Fastapi Python job openings:
Fastapi Python jobs near you
Infographic showing various Fastapi Python job openings in Virginia as of June 2026, with employment types broken down into 33% Full Time, and 67% Contract. Highlights an 100% In-person job distribution.
Developer-Full Stack Senior (Python) | Onsite in McLean, VA

Developer-Full Stack Senior (Python) | Onsite in McLean, VA

Samprasoft

Mclean, VA • On-site

Other

Posted 8 days ago

Job description

Python Developer

This position may be offered to a candidate authorized to work in the US for his/her/their stated employer, without any restrictions which would prevent the candidate from working on the proposed assignment for the duration of the assignment period.

Must Haves: Python, Rest API (Flask or Fast API), Pandas or NumPy, Pytest or Unitest. Focus here is on test automation.

The position is focused on python development of components for a software application platform that will produce enterprise level reporting based on financial statements and models. The candidate will develop and support the middle layer of the application to build, test, and deploy RESTful micro services, create shared services components, and collaborate with other Dev teams, Dev Ops, and User Interface teams.

Responsibilities include:

  • Engineer capable of designing solutions, writing code, testing code, automating test and deployment
  • Develop and maintain high-quality software code and automated tests (including Unit, Functional, Performance, Acceptance) for web interface application that integrates data, analytics, and reporting components
  • Predictable results: changes in code can be proven to be correct and bug-free
  • Production resilience: system must be highly available with minimal downtime
  • High performance: develop scalable calculations to maintain performance over large data sets
  • Ready, willing, and able to pick up new technologies and pitch in on story tasks (design, code, test, CI/CD, deploy, etc.)

Technical Skills:

  • Strong Proficiency in Python programming language, including experience with frameworks such as Flask, Django and FastAPI
  • Experience with RESTful APIs and microservices architecture, and an understanding of how to design and implement them effectively.
  • Back End Skills: Python, Django/Flask/FastAPI, NumPy, pandas and Relational Database
  • Refactoring Skills: Knowledge of how to refactor code to improve its quality, maintainability, performance, and scalability while preserving its functionality.
  • Automation Testing: Pytest, Unitest, Monkey patch, pytest-mockito etc.

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