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Fastapi Developer Jobs in Herndon, VA (NOW HIRING)

TiltEdge Solutions LLC

Python Developer

West Mclean, VA · On-site

$65 - $70/hr

Develop RESTful APIs using Flask or FastAPI. * Implement and optimize complex SQL queries and ... Mentor junior developers and contribute to best practices. Requirements * Bachelor's degree in ...

Interon IT Solutions

Full-Stack Developer

Mclean, VA · On-site

Senior Full-Stack Developer Locations: Rockville, MD | McLean, VA | Woodbridge, NJ Work Arrangement ... Python with FastAPI * Node.js Angular 10+ experience is required for front-end development.

TEEMA

Front End Developer

Arlington, VA · On-site

$155K - $160K/yr

Frontend Developer (Python / React) We're looking for a Frontend Developer who enjoys building ... Integrate frontend applications with FastAPI backend services using REST APIs. * Create interactive ...

TEEMA

Front End Developer

Arlington, VA · Remote

$155K - $160K/yr

Frontend Developer (Python / React) We're looking for a Frontend Developer who enjoys building ... Integrate frontend applications with FastAPI backend services using REST APIs. * Create interactive ...

All Native Group

Full Stack Developer

Washington, DC · On-site

Strong full-stack engineering across Python, FastAPI, ReactJS, PostgreSQL, and Docker. * Working ... knowledge of AWS application hosting services. * Test-driven development and code-quality ...

All Native Group

Full Stack Developer

Washington, DC · Hybrid

Strong full-stack engineering across Python, FastAPI, ReactJS, PostgreSQL, and Docker. * Working knowledge of AWS application hosting services. * Test-driven development and code-quality discipline.

All Native Group

Full Stack Developer

Washington, DC · On-site

Strong full-stack engineering across Python, FastAPI, ReactJS, PostgreSQL, and Docker. * Working knowledge of AWS application hosting services. * Test-driven development and code-quality discipline.

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 ...

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 ...

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 ...

Aktra

Python Developer

Mclean, VA · On-site

$51.50 - $71/hr

We are seeking a Python Developer with 2-3 years of professional experience to build, test, deploy ... Experience with FastAPI, Flask, or Django . * Exposure to LLMs, RAG, embeddings, vector databases ...

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Fastapi Developer information

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How much do fastapi developer jobs pay per hour?

As of Sep 15, 2026, the average hourly pay for fastapi developer in Herndon, VA is $54.34, according to ZipRecruiter salary data. Most workers in this role earn between $41.54 and $66.49 per hour, depending on experience, location, and employer.

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 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 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 popular job titles related to Fastapi Developer jobs in Herndon, VA?

For Fastapi Developer jobs in Herndon, VA, the most frequently searched job titles are:

What job categories do people searching Fastapi Developer jobs in Herndon, VA look for?

The top searched job categories for Fastapi Developer jobs in Herndon, VA are:

What cities near Herndon, VA are hiring for Fastapi Developer jobs?

Cities near Herndon, VA with the most Fastapi Developer job openings:

Fastapi Developer jobs near you

Python Developer

West Mclean, VA • On-site

TiltEdge Solutions LLC
Recruiting and Staffing Services • 1 - 10 employees
Learn more about TiltEdge Solutions LLCexternal

$65 - $70/hr

Contractor

Re-posted 16 days ago

Job description

Role: Senior Python Developer
Location: Full-time on-site in McLean, VA
Position: C2H
 
Green Card or USC
Local Candidates Only
F2F In person Interview
 
Must-Have Qualifications
5+ years of engineering experience with at least 2 years of recent Python experience, specializing in heavy data applications. Demonstrates strong data integrity skills and proficiency in SQL, with a proven track record of leading data-focused projects.
 
Interview Information
  • Rounds: 2 rounds
  • Duration: 30 minutes | 60 minutes
  • Interview Type: MS Teams - Video Mandatory | In Person
  • Interview Placeholders: 08/10 at 1:00 PM and 2:00 PM; 08/11 at 11:30 AM and 3:00 PM
  • Interview Debrief: 08/12 at 1:00 PM - no suppliers; 8/18 at 10:30 AM - no suppliers
Supplier Vetting Questions
  • Assessment or Technical screening results required.
  • Explain how you maintain your knowledge and skills in the rapidly evolving field of technology.
  • Share the resources, communities, or educational opportunities you engage with to stay informed about industry trends and advancements. Discuss any recent learning experiences that have enhanced your expertise.
  • Please describe your approach to communicating and collaborating effectively across multiple groups and/or teams within an organization. Provide examples from your own experiences.
  • What was your most recent development project? What was your contribution? What tools did you use? What for?
Role Overview
We are seeking an experienced Senior Python Developer to join our team. The ideal candidate will have a strong background in Python development, PostgreSQL, Flask or FastAPI, and data transformation using modern data-processing frameworks. You will be responsible for designing, developing, and maintaining data-intensive applications and ETL pipelines. Experience with Informatica and scalable data transformation approaches is preferred.
 
Responsibilities
  • Design, build, and maintain scalable Python applications for data processing and analytics.
  • Develop RESTful APIs using Flask or FastAPI.
  • Implement and optimize complex SQL queries and database structures in PostgreSQL.
  • Architect and maintain ETL pipelines using Informatica, ensuring data quality and integrity.
  • Work with large datasets, ensuring efficient data ingestion, transformation, and storage.
  • Develop and optimize data transformation workflows using PySpark.
  • Collaborate with cross-functional teams to define technical requirements and deliver solutions.
  • Troubleshoot and resolve issues in production environments.
  • Mentor junior developers and contribute to best practices.
Requirements
  • Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
  • 5+ years of professional experience as a Python developer.
  • 3+ years of experience with PostgreSQL, including database design and performance tuning.
  • 3+ years of experience developing APIs with Flask or FastAPI.
  • Proven experience working with large datasets and data-intensive applications.
  • Experience integrating AI or machine learning models into data pipelines or applications.
  • Familiarity with Python-based machine learning libraries such as scikit-learn, TensorFlow, or PyTorch.
  • 2+ years of experience with data transformation using PySpark, Dask, Polars, etc.
  • Strong understanding of data modeling, data warehousing, and data integration concepts.
  • Experience with version control systems (e.g., Git).
  • Excellent problem-solving skills and attention to detail.
  • Strong communication and teamwork abilities.
Preferred Qualifications
  • Hands-on experience with Informatica and ETL processes.
  • Experience with cloud platforms.
  • Familiarity with containerization (Docker, Kubernetes).
  • Knowledge of data visualization tools and techniques.