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Senior Fastapi Developer Jobs in Virginia (NOW HIRING)

ECS

Senior Backend/API Engineer

Falls Church, VA · On-site

Everforth ECS is seeking a Senior Backend/API Engineer to work in the National Capital Region ... Envoy, FastAPI, Flask, container orchestration platforms, API gateways, and enclave-approved ...

Seekr

Senior AI Solutions Engineer

Reston, VA

$57.50 - $74/hr

Capable of developing prototype solutions using common tools (e.g., FastAPI, React) * Familiar with generative AI concepts like RAG, prompt engineering, agents, structured output, multi-modal LLMs ...

Bridge Core (BCore)

Full-Stack Developer

Mclean, VA · On-site

Senior Labor Category: Minimum 8 years of experience with a Bachelor's degree; or 7 years of ... Strong experience with JavaScript (Hono.js) and Python (fastapi) * Strong experience with ...

Peraton

Senior AI/ML Software Engineer

Herndon, VA

$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 ...

Peraton

Senior AI/ML Software Engineer

Herndon, VA

$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 ...

Peraton

Senior AI/ML Software Engineer

Reston, 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 ...

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 ...

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 ...

Peraton

Senior AI/ML Software Engineer

Reston, VA

$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 Developer information

What does a Senior FastAPI Developer do?

A Senior FastAPI Developer designs, develops, and maintains backend web applications using the FastAPI framework in Python. They are responsible for building scalable APIs, optimizing performance, ensuring security best practices, and integrating with databases and external services. Senior developers also mentor junior team members, contribute to architecture decisions, and collaborate closely with front-end engineers and stakeholders to deliver robust software solutions.

What are some common challenges faced by Senior FastAPI Developers when scaling applications, and how can these be addressed?

Senior FastAPI Developers often encounter challenges related to managing high concurrency, optimizing API performance, and ensuring robust security as applications scale. To address these, it’s important to implement asynchronous programming practices, leverage efficient database queries, and utilize API gateways for better traffic management. Collaboration with DevOps and QA teams is also essential to automate deployments and monitor system health, ensuring smooth scaling and reliable user experiences.

What are the key skills and qualifications needed to thrive as a Senior FastAPI Developer, and why are they important?

To thrive as a Senior FastAPI Developer, you need deep expertise in Python, RESTful API design, and experience building scalable web backends, typically supported by a degree in computer science or related field. Familiarity with FastAPI, Docker, cloud platforms (such as AWS or Azure), and CI/CD tools is highly valued, along with proficiency in testing frameworks. Strong problem-solving, leadership, and communication skills help you collaborate effectively with cross-functional teams and mentor junior developers. These skills enable the delivery of robust, efficient, and maintainable APIs that support business goals and high user demands.
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Senior Fastapi Developer jobs near you
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 17 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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