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Senior Fastapi Jobs in Ashburn, VA (NOW HIRING)

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 ...

TiltEdge Solutions LLC

Python Developer

West Mclean, VA · On-site

$65 - $70/hr

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 ...

A-TEK Inc.

Senior Lead Developer

Washington, DC · On-site

The Senior Lead Developer serves as the technical leader for enterprise application development ... Python frameworks (FastAPI, Flask, or Django) * ASP.NET Core * REST API development * JSON/XML ...

BTree Solutions, Inc.

SR. FRONTEND DEVELOPER

Mclean, VA · On-site

$116K - $153K/yr

Job Title: SR. FRONTEND DEVELOPER Location: Mclean,VA Duration: 12+ Months Visa: USC, GC, H1B and ... Integrate front-end applications with backend services (built with Python/FastAPI) and data sources ...

Steampunk

Senior LLMOps Engineer

Mclean, VA · On-site

$145K - $185K/yr

The Senior LLMOps Engineer will play a critical role in operationalizing generative AI capabilities ... Proficiency in Python and operational tooling such as FastAPI, PyTorch, LangChain, LlamaIndex, and ...

Steampunk

Senior LLMOps Engineer

Mclean, VA

$145K - $185K/yr

We are looking for an experienced Senior LLMOps Engineer to design, implement, and maintain ... Proficiency in Python and operational tooling such as FastAPI, PyTorch, LangChain, LlamaIndex, and ...

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Senior Fastapi information

See Ashburn, VA salary details

$25.6K

$82.1K

$167.2K

How much do senior fastapi jobs pay per year?

As of Sep 8, 2026, the average yearly pay for senior fastapi in Ashburn, VA is $82,102.00, according to ZipRecruiter salary data. Most workers in this role earn between $42,400.00 and $105,300.00 per year, depending on experience, location, and employer.

What is the difference between Senior Fastapi vs Backend Developer?

AspectSenior FastapiBackend Developer
Primary FocusBuilding APIs with Fastapi frameworkDeveloping server-side logic across various frameworks
Required SkillsPython, Fastapi, async programming, REST API designPython, multiple frameworks (Django, Flask, Fastapi), database management
Work EnvironmentTech companies, startups, cloud-based projectsVaried industries, enterprise and startup environments
CertificationsPython certifications, Fastapi experiencePython certifications, general backend development certifications

Senior Fastapi specialists focus specifically on building high-performance APIs using the Fastapi framework, often requiring expertise in async programming and REST API design. Backend Developers have a broader scope, working across multiple frameworks and technologies to develop server-side logic. While both roles require Python skills, Senior Fastapi roles are more specialized, whereas Backend Developers have a wider range of tools and responsibilities.

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Senior Fastapi jobs near you

Full-Stack Engineer

Zetier

Arlington, VA • On-site

Full-time

Re-posted 24 days ago

Job description

Senior Full-Stack Engineer
Zetier is seeking a senior full-stack engineer to build modern, secure, and mission-focused software supporting advanced cybersecurity, reverse engineering, and defense initiatives. Candidates should be comfortable owning features end-to-end, from backend service design to polished frontend interfaces, while working within compliance-sensitive environments and collaborating closely with RE/VR/DEV teams.
Required:
  • 5+ years experience developing production full-stack apps
  • Proficiency with modern frameworks (e.g. React, Angular, Vue)
  • Strong TypeScript/JavaScript and UI implementation experience
  • Backend development experience in Python (e.g. Flask, FastAPI)
  • Familiar with responsive design frameworks (Bootstrap, Material)
  • Practical experience with databases (e.g. PostgreSQL, ORMs)
  • Hands-on experience designing and consuming RESTful APIs
  • Familiarity with message brokers (e.g. AMQP, RabbitMQ)
  • Effective collaboration with distributed engineering teams
  • Strong written and verbal communication skills
  • Active U.S. security clearance

Desired:
  • Experience with private/hybrid clouds (VMware, OpenStack)
  • Experience with CI/CD workflows for frontend applications
  • Familiarity with DoD or compliance-sensitive environments
  • Experience with backend frameworks (FastAPI, REST, ZeroMQ)
  • Proficiency with Figma or similar design/prototyping tools
  • Development on embedded platforms (uBoot, firmware, IOT)
  • Reverse engineering experience (gdb, Binary Ninja, IDA Pro)
  • Knowledge of containerized deployments (Docker, Kubernetes)
  • Understanding of accessibility and usability principles
  • Developed software on mobile platforms (Android, iOS)
  • Successfully led small cross-domain development teams

Position available in Arlington, VA.
Zetier is proud to be an Equal Opportunity Employer. We celebrate diversity and do not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status, or any other basis protected by law. All employment is decided on the basis of merit, qualifications, and business need.

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