Full Stack Developer

Job Locations 6 hours ago(9/29/2025 12:44 PM)
Job ID
2025-11783
Posted Date
Information Technology
Job Location
US-VA-Falls Church

Company Overview

We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR).

 

QinetiQ US’s dedicated experts in defense, aerospace, security, and related fields all work together to explore new ways of protecting the American Warfighter, Security Forces, and Allies. Being a part of QinetiQ US means being central to the safety and security of the world around us. Partnering with our customers, we help save lives; reduce risks to society; and maintain the global infrastructure on which we all depend.

 

Why Join QinetiQ US?

 

If you have the courage to take on a wide variety of complex challenges, then you will experience a unique working environment where innovative teams blend different perspectives, disciplines, and technologies to discover new ways of solving complex problems.  In our diverse and inclusive environment, you can be authentic, feel valued, be respected, and realize your full potential. QinetiQ US will support you with workplace flexibility, a commitment to the health and well-being of you and your family and provide opportunities to work with a purpose. We are committed to supporting your success in both your professional and personal lives.

Position Overview

We are seeking an experienced Full Stack Developer to serve as the primary developer and maintainer of our existing web application. This role requires a self-directed professional who can own the complete software development lifecycle while working closely with business stakeholders and end users. The ideal candidate will have strong experience with Flask/React applications and containerized deployments. 

Responsibilities

Development & Maintenance 

  • Serve as primary developer and maintainer for existing web application built with Flask backend and React frontend (legacy versions) 
  • Own end-to-end software lifecycle including design updates, development, testing, deployment, and production support 
  • Perform bug fixes, troubleshooting, and performance tuning to ensure optimal system stability and availability 
  • Refactor and modernize legacy code to improve maintainability and performance when feasible 

Infrastructure & DevOps 

  • Manage and maintain containerized deployments using Docker Compose and AWS EC2 
  • Apply security patches, library upgrades, and system updates in a timely manner 
  • Monitor system health and proactively address potential issues 

Stakeholder Collaboration 

  • Collaborate with Business Analyst and user base to review feature requests, triage bugs, and establish development priorities 
  • Function as co-product owner alongside Business Analyst to evaluate incoming requests and establish realistic timelines 
  • Interact directly with end users to clarify requirements, troubleshoot issues, and deliver effective solutions 

Documentation & Communication 

  • Write and maintain comprehensive technical documentation 
  • Provide clear communication on project status, technical challenges, and solutions 

Required Qualifications

Experience 

  • 4+ years of full stack web development experience 
  • Bachelor's Degree in an IT-related discipline 
  • Experience maintaining and enhancing legacy applications 
  • Background working directly with business stakeholders and end users 
  • Demonstrated experience in production environment management 
  • Clearance Level Must Be Able to Obtain:  DOD Secret

Technical Skills 

  • Strong proficiency in Python and Flask framework 
  • Solid experience with React and modern JavaScript 
  • Experience with Docker and containerization technologies 
  • Familiarity with AWS services, particularly EC2 
  • Understanding of web application architecture and best practices 
  • Knowledge of version control systems (Git) 
  • Experience with database management and optimization 

Preferred Qualifications

  • Secret clearance or willingness to obtain one
  • Knowledge of CI/CD pipelines 
  • Familiarity with monitoring and logging tools 
  • Experience with database migrations and schema management 
  • Background in security best practices for web applications 

Company EEO Statement

 

Accessibility/Accommodation:

If because of a medical condition or disability you need a reasonable accommodation for any part of the employment process, please send an e-mail to staffing@us.QinetiQ.com or call (540) 658-2720 Opt. 4 and let us know the nature of your request and contact information.

 

QinetiQ US is an Equal Opportunity employer. All Qualified Applicants will receive equal consideration for employment without regard to race, age, color, religion, creed, sex, sexual orientation, gender identity, national origin, disability, or protected Veteran status.

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