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Senior Fastapi Jobs in Ashburn, VA (NOW HIRING)

Dark Wolf Solutions

Senior Data Engineer

Herndon, VA · On-site

$150K - $175K/yr

Dark Wolf is looking for a Senior Data Engineer to join our team in Herndon, VA supporting the ... They will utilize leading languages and frameworks, including Python (FastAPI), AWS, SQL (Trino SQL ...

Dark Wolf Solutions

Senior Data Engineer

Herndon, VA · Hybrid

$150K - $175K/yr

Dark Wolf is looking for a Senior Data Engineer to join our team in Herndon, VA supporting the ... They will utilize leading languages and frameworks, including Python (FastAPI), AWS, SQL (Trino SQL ...

Dark Wolf Solutions

Senior Data Engineer

Herndon, VA · Hybrid

$150K - $175K/yr

Dark Wolf is looking for a Senior Data Engineer to join our team in Herndon, VA supporting the ... They will utilize leading languages and frameworks, including Python (FastAPI), AWS, SQL (Trino SQL ...

Hatch IT

Senior AI Software Engineer

Washington, DC

$138K - $182K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Expression is seeking an experienced Senior AI Software Engineer and Technical Lead to lead the ... Develop high-performance backend services using Python, FastAPI, asynchronous programming, and ...

Hatch IT

Senior AI Software Engineer

Washington, DC · Remote

$180K - $210K/yr

Expression is seeking an experienced Senior AI Software Engineer and Technical Lead to lead the ... Develop high-performance backend services using Python, FastAPI, asynchronous programming, and ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Preferred experience includes Django and Vue.js, though equivalent experience with Flask, FastAPI ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Preferred experience includes Django and Vue.js, though equivalent experience with Flask, FastAPI ...

System One Holdings, LLC

Senior Full Stack Developer

Mclean, VA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Preferred experience includes Django and Vue.js, though equivalent experience with Flask, FastAPI ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Preferred experience includes Django and Vue.js, though equivalent experience with Flask, FastAPI ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Preferred experience includes Django and Vue.js, though equivalent experience with Flask, FastAPI ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Preferred experience includes Django and Vue.js, though equivalent experience with Flask, FastAPI ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Preferred experience includes Django and Vue.js, though equivalent experience with Flask, FastAPI ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Preferred experience includes Django and Vue.js, though equivalent experience with Flask, FastAPI ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Preferred experience includes Django and Vue.js, though equivalent experience with Flask, FastAPI ...

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All JobsFastapi JobsSenior Fastapi JobsSenior Fastapi Jobs in Ashburn, VA

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 Aug 18, 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.

What are the most commonly searched types of Fastapi jobs in Ashburn, VA?

The most popular types of Fastapi jobs in Ashburn, VA are:

What are popular job titles related to Senior Fastapi jobs in Ashburn, VA?

For Senior Fastapi jobs in Ashburn, VA, the most frequently searched job titles are:

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The top searched job categories for Senior Fastapi jobs in Ashburn, VA are:

Senior Fastapi jobs near you

Python Developer (Mid-Senior)

JTEC Consulting

Chantilly, VA

$150K - $175K/yr

Full-time

Re-posted 5 hours ago

Job description

Python Developer (Mid-Senior)
Chantilly, VA 20151
JTEC Consulting LLC focuses on successfully delivering solutions to meet our clients’ most critical needs. Our founding members have decades of experience delivering a wide range of solutions to Air Force and DOD clients. We are a Veteran-Owned Small Business.

Security Clearance Requirement: Current TS/SCI with polygraph
Location Note: All work will be performed on-site
Relocation: Relo support for candidates outside the commuting area will be considered

Position Description:
JTEC Consulting is hiring Python Developers at the mid-senior career level to support a data science and software engineering team developing and deploying systems across multiple federal environments. Qualified candidates will have experience developing microservices in Python using FastAPI. Working knowledge of Linux OS in AWS cloud infrastructure is required. Current security clearance credentials are required for consideration.

Duties and responsibilities vary by role and may include:
  • Work as part of a blended team of government and contractor personnel including data scientists and technical team members supporting application and systems development projects for deployment across multiple environments
  • Support development for end-to-end system features from user experience to backend code and deployment
  • Provide expertise to the development team using Agile methodologies, modern languages, cloud technologies, and microservices
  • Promote adoption of industry best practices to meet customer requirements
  • Ensure solutions align with current and future architecture and operational environments
  • Support hands-on development in Python and shell scripting for internal and external APIs
  • Deploy code using Jenkins and GitHub
  • Support unit testing, code reviews, and related activities
  • Leverage Scrum methodology
  • Support cloud infrastructure deployment for mission critical and classified workloads using AWS Commercial Cloud Services (C2S)
  • Deploy applications using microservices and Kubernetes container orchestration
  • Collaborate with networking team members and ISSM to ensure that data access and routing meet customer's stated requirements
  • Support overall program deliverables, as assigned, including documentation and reports
  • Support full on-site schedule
Education and qualifications:
  • U.S. citizenship
  • Current TS/SCI with polygraph required for consideration
  • Bachelor’s degree in a related discipline (Computer Science, Information Systems, or technical discipline)
    • ​Equivalent years of related experience may be considered in lieu of a degree
  • 10+ years of related experience with Python application development including:
    • Python coding
    • FastAPI
    • SQLAlchemy
    • API development
  • Experience working with AWS cloud and virtual infrastructure including:
    • AWS C2S
    • Amazon Virtual Private Cloud/AWS IDL VPC
  • Experience working with AWS tools including:
    • Managed OpenSearch
    • EMR
    • EC2
    • Lambdas
  • Experience deploying containerized microservices with Kubernetes
  • Experience building and running containerized applications using Helm and Docker
  • Experience with Jenkins, GitHub, and other CI/CD tools
  • Experience with version control systems including Git
  • Experience working with big data search tools such as OpenSearch, Elastic, Airflow, PySpark, and Trino
  • Effective written and verbal communication skills to work in a dynamic team environment
  • Availability to support a full on-site work schedule
Additional experience in one or more of these areas is preferred:
  • Experience with large-scale, massively parallel distributed data processing tools including Spark, Hadoop, Presto, NiFi
  • Programming experience using Python, Java, Perl, C, C++
  • Experience with ELK Stack (Elasticsearch, Logstash, Kibana)
  • Experience maintaining and optimizing Elastic clusters
  • Experience working and developing capabilities in Linux and Windows
  • Experience with automating project builds using shell scripts, Jenkins, and using and writing Makefiles
  • Experience with Linux bash shell scripting
  • Experience with HTML, JavaScript, Regular Expressions, JSON
  • Experience building a Python web server and performing setup in Flask
  • Experience working with varied file types including text, image, video, audio, binary
  • Knowledge of machine learning is a plus
  • Experience using automated data frameworks
#PySpark #ELK #NiFi #Hadoop #FastAPI

JTEC Consulting LLC provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. This poli

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