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Fastapi Developer Jobs in Alexandria, VA (NOW HIRING)

... FastAPI, Flask or similar technologies • Experience developing Python SDKs, client libraries or other developer-consumable integrations • Experience with JavaScript-based web applications or ...

New

Senior AI Developer

Washington, DC

$61.75 - $81.50/hr

Developer Premium II - AI Developer Duration: 6 Months - Long Term Location: Washington, DC 20433 ... Build APIs, automation services, and backend components using Python (FastAPI, Flask, etc.

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

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

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 ...

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 ...

New

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 ...

Software Engineer Level 4

Reston, VA · On-site

$137.06K - $161.25K/yr

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

Python Developer

Reston, VA

$52.25 - $72/hr

We are seeking a Senior Python Developer to support the design, development, and scaling of cloud ... Skills: Strong proficiency in Python and backend frameworks such as FastAPI, Flask Proven ...

Software Engineer Level 5

Reston, VA · On-site

$163.79K - $192.70K/yr

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

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Fastapi Developer information

See Alexandria, VA salary details

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How much do fastapi developer jobs pay per hour?

As of May 31, 2026, the average hourly pay for fastapi developer in Alexandria, VA is $56.55, according to ZipRecruiter salary data. Most workers in this role earn between $43.22 and $69.23 per hour, depending on experience, location, and employer.

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 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 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 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 popular job titles related to Fastapi Developer jobs in Alexandria, VA? For Fastapi Developer jobs in Alexandria, VA, the most frequently searched job titles are:
What job categories do people searching Fastapi Developer jobs in Alexandria, VA look for? The top searched job categories for Fastapi Developer jobs in Alexandria, VA are:
What cities near Alexandria, VA are hiring for Fastapi Developer jobs? Cities near Alexandria, VA with the most Fastapi Developer job openings:

Cybersecurity Software Developer

CACI bv

Chantilly, VA • On-site

Full-time

Posted 2 days ago


Job description

Job Summary:
CACI is a company focused on improving national security through technology. They are seeking a Cybersecurity Software Developer to join their team, where the candidate will contribute to the development and maintenance of applications aimed at enhancing data integrity and usability.
Responsibilities:
• You will participate in daily scrum meetings
• You will troubleshoot complex problems and assist customers with application and system issues
• You will use your programming skills to automate and bring efficiency to client applications
• Capable of working independently, collaborating effectively within a development team, supporting existing production systems and adapting to new technologies when required
Qualifications:
Required:
• Bachelor's degree in Computer Science or related field
• TS/SCI with required polygraph level clearance
• Minimum 5+ years of experience in software design and development
• 3 years of experience developing applications in Python
• Demonstrated experience designing, implementing or supporting REST API services
• Demonstrated experience working with relational databases such as MySQL, PostgreSQL, or similar technologies
• Demonstrated experience upgrading, maintaining and refining existing production applications, including legacy codebase
• Experience developing and deploying Docker containers
Preferred:
• Familiarity with ETL/ELT workflows, data pipelines or backend data processing systems
• Experience with Python web frameworks such as Django, FastAPI, Flask or similar technologies
• Experience developing Python SDKs, client libraries or other developer-consumable integrations
• Experience with JavaScript-based web applications or front-end technologies such as React, Angular, jQuery/Ajax or similar frameworks
• Experience developing and supporting applications in Windows and Linux environments
• Familiarity with cloud-based environments and services
• Experience using DevOps tools such as GitLab, Jenkins or similar platforms as part of a development workflow
Company:
CACI levert, implementeert en beheert bedrijfskritische oplossingen voor het Hoger Onderwijs: het StudentInformatieSysteem OSIRIS en LISA voor zaakgericht werken. Founded in 1997, the company is headquartered in Amsterdam, NLD, with a team of 51-200 employees. The company is currently Growth Stage.