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Fastapi Developer Jobs in Gaithersburg, MD (NOW HIRING)

Navitas business consulting

Be Seen First

Python Developer

Herndon, VA · On-site

$110K - $150K/yr

Python Developer Job ID#: 26-1106 Clearance: Secret or TS Location: Herndon, VA Who We Are: Since ... Strong experience building Python applications and REST APIs using Flask or FastAPI . * Experience ...

New

Constellis

Full Stack Developer

VA · On-site +1

Design and develop backend services using FastAPI, Kafka, PostgreSQL, and Docker. * Build and ... Bachelor's degree in Computer Science, Software Engineering, Electrical Engineering, or a related ...

Navitas business consulting

Be Seen First

Python Developer

Herndon, VA · On-site

$110K - $150K/yr

Python Developer Job ID#: 26-1106 Clearance: Secret or TS Location: Herndon, VA Who We Are: Since ... Strong experience building Python applications and REST APIs using Flask or FastAPI . * Experience ...

New

JTEC Consulting

Python Developer (Mid-Senior)

Chantilly, VA · On-site

$150K - $175K/yr

Qualified candidates will have experience developing microservices in Python using FastAPI. Working ... Programming experience using Python, Java, Perl, C, C++ * Experience with ELK Stack (Elasticsearch ...

The Josef Group

Full Stack Developer

Chantilly, VA · On-site

Full Stack Developer Chantilly, VA TS/SCI and Full Scope Poly $200K to $250K Description: The Full ... application in Flask, Django, FastAPI; including developing associated testing (unit and ...

NSS

Full Stack Python Developer

Leesburg, VA · On-site

Design and develop Python backend services and REST APIs (e.g., Flask/FastAPI) to expose AI/ML and ... Collaborate with ML Engineers to productionize LLM/RAG-based features, including prompt/inference ...

Reliant Space

Full Stack Developer

Reston, VA · Remote

Reliant Space is seeking a Full Stack Developer to design, develop, and maintain web-based ... Experience with FastAPI or Django REST Framework. * Familiarity with frontend testing frameworks ...

New

VTG

Full Stack Developer

Chantilly, VA

Work closely with the Lead Developer to maintain, enhance, and modernize existing software ... FastAPI. * Experience developing and maintaining unit and integration tests. * 2-3 years of ...

Ardent

Full Stack Software Developer

Washington, DC · On-site

The Developer shall provide development expertise across the full application stack, including ... Build and maintain RESTful APIs using FastAPI, ensuring proper validation, error handling ...

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All JobsFastapi Developer JobsFastapi Developer Jobs in Gaithersburg, MD

Fastapi Developer information

See Gaithersburg, MD salary details

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How much do fastapi developer jobs pay per hour?

As of Aug 6, 2026, the average hourly pay for fastapi developer in Gaithersburg, MD is $57.09, according to ZipRecruiter salary data. Most workers in this role earn between $43.65 and $69.86 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?

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

Python Developer

Navitas business consulting

Herndon, VA • On-site

$110K - $150K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.

Job description

Position Title: Python Developer

Job ID#: 26-1106
Clearance: Secret or TS 
Location: Herndon, VA


Who We Are:
Since our inception back in 2006, Navitas has grown to be an industry leader in the digital transformation space, and we’ve served as trusted advisors supporting our client base within the commercial, federal, and state and local markets.
What We Do:
At our very core, we’re a group of problem solvers providing our award-winning technology solutions to drive digital acceleration for our customers! With proven solutions, award-winning technologies, and a team of expert problem solvers, Navitas has consistently empowered customers to use technology as a competitive advantage and deliver cutting-edge transformative solutions.

What You'll Do

Navitas is seeking a hands-on Python Developer to design, develop, and maintain secure backend applications and APIs supporting enterprise and mission-critical systems for the DoD Search Portfolio.

In this role, you'll build scalable Python services, integrate with databases and enterprise systems, and collaborate with cross-functional engineering teams to deliver reliable, cloud-native applications. The ideal candidate enjoys solving complex technical problems, writing clean and maintainable code, and contributing throughout the software development lifecycle.

Responsibilities include but are not limited to:

  • Design, develop, test, and maintain Python backend services and REST APIs using frameworks such as Flask or FastAPI.
  • Develop scalable, secure, and high-performance applications that integrate with databases, enterprise systems, and external services.
  • Collaborate with front-end developers to support application functionality and API integrations.
  • Participate in all phases of the software development lifecycle, including design, development, testing, deployment, and production support.
  • Support CI/CD and DevOps practices, including containerization, deployment automation, monitoring, and troubleshooting.
  • Apply secure coding standards, logging, auditing, and best practices aligned with federal and DoD requirements.
  • Optimize application performance, reliability, and maintainability through code reviews, testing, and continuous improvement.
  • Work with engineering teams to troubleshoot production issues and implement long-term solutions.
  • Create and maintain technical documentation for applications, APIs, and deployment processes.
  • Collaborate with data and AI/ML teams as needed to integrate backend services with existing analytics or machine learning solutions.

What You'll Need

  • Bachelor's degree (or equivalent experience).
  • 5+ years of hands-on Python development experience.
  • Strong experience building Python applications and REST APIs using Flask or FastAPI.
  • Experience working with relational and NoSQL databases.
  • Strong understanding of API design, backend architecture, and software engineering best practices.
  • Experience with Git, CI/CD pipelines, Docker, Kubernetes, and cloud-native application development.
  • Experience with AWS and modern cloud services.
  • Strong debugging, troubleshooting, and problem-solving skills.
  • Excellent communication and collaboration skills.

Nice to Have

  • Experience with React, Angular, or Vue.
  • Exposure to AI/ML applications, LLMs, or semantic search.
  • Experience with Databricks or Apache Spark.
  • Experience with Elasticsearch or Neo4j.
  • Experience supporting applications within federal or DoD environments.

Company Description

Who We Are:
Since our inception back in 2006, Navitas has grown to be an industry leader in the digital transformation space, and we’ve served as trusted advisors supporting our client base within the commercial, federal, and state and local markets.

What We Do:
At our very core, we’re a group of problem solvers providing our award-winning technology solutions to drive digital acceleration for our customers! With proven solutions, award-winning technologies, and a team of expert problem solvers, Navitas has consistently empowered customers to use technology as a competitive advantage and deliver cutting-edge transformative solutions.