ZipRecruiter

Log In

1

Senior Fastapi Developer Jobs in Reston, VA (NOW HIRING)

HawkEye 360

Senior Software Engineer

Herndon, VA · On-site

$130K - $180K/yr

HawkEye 360 is currently seeking a Senior Command & Control Software Engineer to join the Space ... Experience building REST API's using frameworks like FastAPI or Spring Boot. * Experience with ...

Peraton

Senior AI/ML Software Engineer

Herndon, VA · On-site

$146K - $234K/yr

Responsibilities Peraton Labs is seeking a Senior AI/ML Software Engineer to join the Labs Agentic ... Develop full-stack product features (FastAPI + React) that surface AI capabilities to users - from ...

Peraton

Senior AI/ML Software Engineer

Reston, VA · On-site

$146K - $234K/yr

Responsibilities Peraton Labs is seeking a Senior AI/ML Software Engineer to join the Labs Agentic ... Develop full-stack product features (FastAPI + React) that surface AI capabilities to users - from ...

Peraton

Senior AI/ML Software Engineer

Reston, VA

$146K - $234K/yr

Responsibilities Peraton Labs is seeking a Senior AI/ML Software Engineer to join the Labs Agentic ... Develop full-stack product features (FastAPI + React) that surface AI capabilities to users - from ...

CGI Inc.

Senior Full Stack Python Developer

Reston, VA · On-site

Senior Full Stack Python Developer Category: Software Development/ Engineering Main location ... Advanced proficiency in Python and frameworks like FastAPI or Flask . Experience developing full ...

NT Concepts

Python Developer

Herndon, VA · On-site +1

$51.75 - $71.25/hr

This position requires mid to senior level of experience, a passion for mission support, and a ... Experience designing and implementing RESTful APIs using Python frameworks (FastAPI, Flask, Django)

WorkNova LLC

Python Developer

Reston, VA · On-site

$52.25 - $72/hr

Position Summary The Senior Python Developer will design, develop, test, and implement cloud native ... or FastAPI • Knowledge of authentication and authorization mechanisms (JWT, OAuth2) • ...

IntelliTech

Senior DevSecOps Engineer

Alexandria, VA · On-site

$111.40K - $152.80K/yr

The application is a supply chain simulation platform built on Python, FastAPI, React, and MongoDB ... Active DoD Secret clearance. * 8+ years of professional experience in DevOps, platform engineering ...

next page

Showing results 1-20

People also search for

All JobsSenior Fastapi Developer JobsSenior Fastapi Developer Jobs in Reston, VA

Senior Fastapi Developer information

See Reston, VA salary details

$16

$64

$91

How much do senior fastapi developer jobs pay per hour?

As of May 29, 2026, the average hourly pay for senior fastapi developer in Reston, VA is $64.22, according to ZipRecruiter salary data. Most workers in this role earn between $54.52 and $72.02 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior FastAPI Developer, and why are they important?

To thrive as a Senior FastAPI Developer, you need deep expertise in Python, RESTful API design, and experience building scalable web backends, typically supported by a degree in computer science or related field. Familiarity with FastAPI, Docker, cloud platforms (such as AWS or Azure), and CI/CD tools is highly valued, along with proficiency in testing frameworks. Strong problem-solving, leadership, and communication skills help you collaborate effectively with cross-functional teams and mentor junior developers. These skills enable the delivery of robust, efficient, and maintainable APIs that support business goals and high user demands.

What are some common challenges faced by Senior FastAPI Developers when scaling applications, and how can these be addressed?

Senior FastAPI Developers often encounter challenges related to managing high concurrency, optimizing API performance, and ensuring robust security as applications scale. To address these, it’s important to implement asynchronous programming practices, leverage efficient database queries, and utilize API gateways for better traffic management. Collaboration with DevOps and QA teams is also essential to automate deployments and monitor system health, ensuring smooth scaling and reliable user experiences.

What does a Senior FastAPI Developer do?

A Senior FastAPI Developer designs, develops, and maintains backend web applications using the FastAPI framework in Python. They are responsible for building scalable APIs, optimizing performance, ensuring security best practices, and integrating with databases and external services. Senior developers also mentor junior team members, contribute to architecture decisions, and collaborate closely with front-end engineers and stakeholders to deliver robust software solutions.
What are popular job titles related to Senior Fastapi Developer jobs in Reston, VA? For Senior Fastapi Developer jobs in Reston, VA, the most frequently searched job titles are:
What job categories do people searching Senior Fastapi Developer jobs in Reston, VA look for? The top searched job categories for Senior Fastapi Developer jobs in Reston, VA are:
What cities near Reston, VA are hiring for Senior Fastapi Developer jobs? Cities near Reston, VA with the most Senior Fastapi Developer job openings:
Senior Fastapi Developer jobs near you
Infographic showing various Senior Fastapi Developer job openings in Reston, VA as of May 2026, with employment types broken down into 100% Full Time. Highlights an 7% Physical, and 93% Remote job distribution, with an average salary of $133,581 per year, or $64.2 per hour.
Senior Software Engineer

Senior Software Engineer

HawkEye 360

Herndon, VA • On-site

$130K - $180K/yr

Full-time

Posted 3 days ago

Job description

HawkEye 360 is currently seeking a Senior Command & Control Software Engineer to join the Space Ground Systems Team. The mission of the Ground Systems Team is to provide the tooling to operate and maintain a growing constellation of small commercial satellites. This group is also responsible for building and operating a segment of groundstations to provide communications with these satellites. Satellite clusters and ground segments provide the platform for RF data collection that is essential to HawkEye 360's core business.
HawkEye 360 is looking for a candidate with good technical leadership and problem-solving skills, who is creative and has a passion for working with and developing new innovative technology.
As the Senior Software Engineer, your main responsibilities will be:
  • Design, develop, and maintain command and control software applications that meet operational requirements.
  • Implement solutions for real-time data processing, secure communications, and system integration.
  • Collaborate with stakeholders to understand mission requirements and translate them into software solutions.
  • Perform software testing, debugging, and troubleshooting to ensure high-quality deliverables.
  • Contribute to architectural design and decisions, ensuring the software aligns with long-term goals.
Your skills and qualifications:
Essential education and experience:
  • 5+ years of experience in software engineering.
  • 3+ years focused on command and control systems or similar domains.
  • Proficiency in Python.
  • Experience building automated mission-critical applications and supporting remote hardware.
  • Experience building REST API's using frameworks like FastAPI or Spring Boot.
  • Experience with asynchronous messaging like Apache Kafka.
  • Proficiency with modern version control.
  • Strong communication skills, with the ability to explain complex technical concepts to non-technical stakeholders.
  • Strong experience with real-time software systems, distributed architectures, and high-availability systems.
  • A good attitude and team-oriented spirit in addition to detail oriented planning and problem solving.
Desirable:
  • Experience in other programming languages such as C++ and Java.
  • Experience with Ansible, Docker, and Kubernetes.
  • Knowledge of Transport and Application layer protocols; UDP, TCP, FTP...
  • Experience in a fast-paced, small company where priorities can change rapidly.
  • Familiarity with simulation and modeling tools used for C2 system testing and validation.
  • Dedication - sometimes we all need to burn a little midnight oil to get the job done.
Base Salary Range: $130,000 - $180,000 annually
HawkEye 360 offers a compensation package that includes a competitive base salary plus annual performance bonus and benefits. We consider many factors when determining salary offers, such as candidate's work experience, education, training & skills, as well as market and business considerations. We are also open to considering candidates with experience and qualifications at a different level than required in a job posting, which may affect the compensation package offered.
Company Overview:
HawkEye 360 is delivering a revolutionary source of global knowledge based on radio frequency (RF) geospatial analytics to those working to make the world a safer place. The company operates a commercial satellite constellation that detects, geolocates, and identifies a broad range of signals & behaviors. We employ cutting edge AI techniques to equip our global customers with high-impact insights needed to make decisions with confidence. HawkEye 360 is headquartered in Herndon, Virginia.
HawkEye 360 is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity Employer, making decisions without regard to race, color, religion, sex, sexual orientation, gender identity, gender expression, marital status, national origin, age, veteran status, disability, or any other protected class.
To all recruitment agencies: HawkEye 360 does not accept unsolicited agency resumes. Please do not forward resumes to our jobs alias, HawkEye 360 employees or any other organization location. HawkEye 360 is not responsible for any fees related to unsolicited resumes.

Apply