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Senior Fastapi Developer Jobs in Reston, VA (NOW HIRING)

Two Six Technologies

Senior DevOps Engineer

Arlington, VA · On-site

$149K - $192K/yr

They are seeking a Senior DevOps Engineer to join their cybersecurity technology team, where the ... Hands-on experience with Python frameworks such as Django or FastAPI. • Automation and ...

Two Six Technologies

Senior DevOps Engineer

Arlington, VA

$149K - $192K/yr

Two Six Technologies is looking for a Senior DevOps Engineer to work within a cross-functional ... Hands-on experience with Python frameworks such as Django or FastAPI. • Automation and ...

Mindlance

Front End Web Developer Senior

Mclean, VA · On-site

$116K - $153K/yr

Mindlance is seeking a Senior Software Engineer with a frontend focus to join their Engineering ... Integrate front-end applications with backend services (built with Python/FastAPI) and data sources ...

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 · 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 ...

MBR Partners

Senior Software Engineer

Washington, DC · Remote

$150K/yr

With a back-end team in the Philippines, I'm currently hiring for a Senior Software Engineer ... FastAPI Experience with React, Redux (RTK), CSS modules Experience with CI/CD, Clouds (AWS/GCP ...

Peraton

Senior AI/ML Software Engineer

Herndon, VA · On-site

$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 ...

Georgia IT

Senior Software Engineer

Rockville, MD · On-site

$124K - $164K/yr

... FastAPI · Strong understanding of microservices architecture, RESTful APIs, and system design ... DevOps & Tools · Solid experience with version control using Git · Proficiency with ...

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How much do senior fastapi developer jobs pay per hour?

As of Jun 23, 2026, the average hourly pay for senior fastapi developer in Reston, VA is $64.22, according to ZipRecruiter salary data. Most workers in this role earn between $54.52 and $72.02 per hour, depending on experience, location, and employer.

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
Senior ML Operations Engineer - Python

Senior ML Operations Engineer - Python

Samprasoft

Washington, DC • On-site

$118K - $162K/yr

Other

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Senior ML Operations Engineer

We are seeking a knowledgeable Senior ML Operations Engineer with advanced Python and Flask, Large Language Models, Open API engineering, Containerization and Swagger expertise for a multi-year engagement to work with a foremost Healthcare IT Solutions Group in their Innovations Project Team.

Prerequisites for the selection of the Consultant encompass:

  • Advanced Python programming for back-end development for Machine Learning Operations.
  • Expertise with OpenAPI specs.
  • Conversant with LLMs, specifically Llama 2 or Mistral.
  • Familiarity with Prompt Engineering.
  • Required to productionize Large Language Model (LLM) based solutions.
  • Capable of taking an open-source Large Language Model (LLM) and fine tuning it to reflect custom data and retrieve data from a Vector database.
  • Will be required to design a RESTful API that interfaces with a Large Language Model (LLM) and can be used for user consumption.
  • Write Helm charts and the web front end.
  • Must be skilled in modularizing machine learning code.
  • Will transform Data Scientists' models into scalable, maintainable systems.
  • Integrate the APIs with MongoDB (Reddis, Vector, databases, embedding models).
  • Should have expertise in deploying and managing containerized applications using Kubernetes.
  • Ability to take an open-source hugging face model and productionalize it so that user can use it on custom data.
  • Plan the builds with Swagger CodeGen, Editor and Inspector.
  • Experience with Jupyter notebooks, Flask, FastAPI, and on premises Docker and Kubernetes.
  • Angular and Node are also utilized in this environment.
  • Document plan and steps for development.

Apply