ZipRecruiter

Log In

1

Fastapi Developer Jobs in Ashburn, VA (NOW HIRING)

Cornerstone Defense

Python Developer

Chantilly, VA · On-site

$51.50 - $71/hr

Job #3456 Python Developer: w orks as part of a team to implement functionality as part of multiple ... Experience with API development in Python using Python libraries such as FastAPI * Experience with ...

INTELLITECH LLC

Senior Full Stack Engineer

Alexandria, VA · Remote

$100K - $180K/yr

The ideal candidate has strong experience with React / TypeScript , Python / FastAPI , cloud services in AWS and/or Azure , and modern DevOps practices. This role will involve hands-on software ...

INTELLITECH LLC

Senior Full Stack Engineer

Alexandria, VA · Remote

$100K - $180K/yr

The ideal candidate has strong experience with React / TypeScript , Python / FastAPI , cloud services in AWS and/or Azure , and modern DevOps practices. This role will involve hands-on software ...

GRVTY

Full Stack Developer

Mclean, VA · On-site

... fastapi) • Strong experience with TypeScript/JavaScript (Vue.js) and Tailwindcss • Experience with DevOps (CDKTF/terraform) • Experience with relational database design and SQL query workflows ...

Booz Allen Hamilton

Full Stack Developer

Chantilly, VA · On-site

... FastAPI, RESTful APIs, and microservices • 6+ years of experience designing, modifying, developing, writing, and implementing software programming applications using agile methods • Experience ...

Scalence L.L.C.

Front End Web Developer Senior

Mclean, VA · On-site

$116K - $153K/yr

... services (Python/FastAPI) and data sources (Snowflake). • Convert product requirements ... prompt engineering, or GenAI-powered UI features. • Experience building and scaling design ...

Technology Ventures

Senior GenAI Engineer

Reston, VA · On-site

$108K - $149K/yr

... modern DevOps practices . This role involves building end-to-end AI systems that integrate with ... Build scalable backend services using Python, FastAPI, and Pydantic . Develop and deploy LLM ...

Interon IT Solutions

AI/ML Engineer

Reston, VA · On-site

AI/ML Engineer (Python, AWS, GenAI) Location: Reston, VA (In-person interviews required) Candidate ... Develop scalable, high-performance Python microservices using FastAPI/Flask for data pipelines ...

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 ...

Rackner

Software Engineer

Washington, DC · Remote

Modern programming languages and frameworks including Python (FastAPI), Flask, JavaScript (Node.js, Express, Vue, Svelte, React), and Java (Spring Boot) * Develop data focused solutions to include ...

Base2 Solutions

Software Engineer Level 5

Reston, VA · On-site

Demonstrated experience as a backend developer. * Demonstrated experience in data engineering and API development. * Experience building scalable systems with Python and FastAPI. * Experience ...

Base2 Solutions

Software Engineer Level 4

Reston, VA · On-site

Demonstrated experience as a backend developer. * Demonstrated experience in data engineering and API development. * Experience building scalable systems with Python and FastAPI. * Experience ...

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 ...

next page

Showing results 1-20

All JobsFastapi Developer JobsFastapi Developer Jobs in Ashburn, VA

Fastapi Developer information

See Ashburn, VA salary details

$17

$54

$83

How much do fastapi developer jobs pay per hour?

As of Jun 23, 2026, the average hourly pay for fastapi developer in Ashburn, VA is $54.03, according to ZipRecruiter salary data. Most workers in this role earn between $41.30 and $66.11 per hour, depending on experience, location, and employer.

What are some common challenges FastAPI Developers face when integrating third-party services or APIs?

FastAPI Developers often encounter challenges when integrating third-party services, such as handling authentication protocols (like OAuth2), ensuring compatibility between JSON schemas, and managing asynchronous calls to avoid performance bottlenecks. It’s also common to troubleshoot and adapt to inconsistencies in external API documentation or rate limits. Collaborating closely with frontend teams and DevOps professionals helps streamline these integrations, ensuring robust, scalable API solutions.

What is the difference between Fastapi Developer vs Backend Developer?

AspectFastapi DeveloperBackend Developer
Required SkillsPython, Fastapi, REST APIs, async programmingMultiple languages (Python, Java, Node.js), REST/SOAP APIs, databases
Work EnvironmentWeb development, API-focused projects, microservicesBroader software development, server-side logic, database management
Industry UsageTech startups, SaaS, API-driven servicesEnterprise, e-commerce, finance, various industries

Fastapi Developers specialize in building high-performance APIs using Python and Fastapi, often within microservices architectures. Backend Developers have a broader scope, working with multiple languages and technologies to develop server-side applications across various industries. While Fastapi Developers focus on API efficiency, Backend Developers handle comprehensive backend systems.

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

To thrive as a FastAPI Developer, you need strong proficiency in Python programming, RESTful API design, and experience with FastAPI, often supported by a background in computer science or related fields. Familiarity with tools like SQL/NoSQL databases, Docker, and cloud platforms, as well as knowledge of asynchronous programming and API documentation tools like Swagger, is typically required. Excellent problem-solving skills, attention to detail, and effective communication set outstanding FastAPI developers apart. These skills are crucial for building reliable, high-performance APIs that meet modern application demands and facilitate seamless team collaboration.

What is a FastAPI Developer?

A FastAPI Developer is a software engineer who specializes in building web applications and APIs using the FastAPI framework, which is a modern, fast (high-performance) web framework for Python. FastAPI Developers are responsible for designing, developing, and maintaining backend services and APIs that are efficient, robust, and scalable. They often work with databases, authentication, and deployment processes, and ensure that the API endpoints adhere to best practices for security and performance. Their work is crucial for enabling smooth communication between front-end applications and backend systems.
What are the most commonly searched types of Fastapi Developer jobs in Ashburn, VA? The most popular types of Fastapi Developer jobs in Ashburn, VA are:
What are popular job titles related to Fastapi Developer jobs in Ashburn, VA? For Fastapi Developer jobs in Ashburn, VA, the most frequently searched job titles are:
What job categories do people searching Fastapi Developer jobs in Ashburn, VA look for? The top searched job categories for Fastapi Developer jobs in Ashburn, VA are:
What cities near Ashburn, VA are hiring for Fastapi Developer jobs? Cities near Ashburn, VA with the most Fastapi Developer job openings:
Fastapi Developer jobs near you

Python Developer

Cornerstone Defense

Chantilly, VA • On-site

$51.50 - $71/hr

Contractor

Posted 23 days ago

Job description

  • Location: Chantilly, Virginia
  • Type: Contract
  • Job #3456

Python Developer: w orks as part of a team to implement functionality as part of multiple efforts to build data processing applications while taking ownership of architectural design components, technical implementations, and the software development lifecycle. A successful developer will be able to implement functionality to interface with an existing system, as well as writing new functionality to interface with various open-source tools. Knowledge of the software development lifecycle is a must, as the developer will help translate requirements into user stories to be implemented as part of a team. As part of the implementation phase, the developer is expected to include automated tests as part of the CI/CD pipeline to validate the code that is being written. Knowledge of the cloud software deployment process is also key, including familiarity with parallel processing in Python, large data processing using packages such as PySpark, and optimizing Python code for deployment as part of a containerized architecture.
Role Highlights:
  • Development of software components in support of various Python-based data processing applications
  • Work decomposition and development architectural design for components as part of a larger software development system
  • Build with automated testing frameworks to ensure code quality and robust CI/CD deployment processes
  • Experience developing web APIs to interface with cloud applications and databases as part of cloud native software applications
  • Experience working as part of an Agile team to deliver software iteratively
  • Experience integrating Python code into Docker containers as part of a distributed architecture.
  • Experience designing software application components independently based on requirements
  • Experience leading discussions with customer stakeholders to align on requirements and technical implementations

Required Skills:
  • Data Processing Python Libraries such as PySpark, Pandas and Numpy
  • Experience with API development in Python using Python libraries such as FastAPI
  • Experience with Unit Testing Frameworks in PyTest and Mocking

Preferred Skills/Experience:
  • Experience with Python ORM tools for database as code such as SQLAlchemy
  • Experience deploying containerized Python code using Docker on cloud platforms such as AWS

Apply