Agile Defense

Senior Full Stack Engineer

Remote, United States remote Entry $125,000 - $145,000
remote Technology & IT Salary listed Curated
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About the role

About Agile Defense
At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next.
Our vision is to bring adaptive innovation to support our nation's most important missions through the seamless integration of advanced technologies, elite minds, and unparalleled agility—leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation’s vital interests.
Requisition #: 1720
Job Title: Senior Full Stack Engineer
Location: Remote
Clearance Level: Secret, Must Have Ability to Obtain a Clearance

Job Description
Role Overview

The Senior Full Stack Engineer is responsible for designing, building, and maintaining complex software systems that span backend services, data processing, and user-facing thick client applications. This role requires strong expertise in desktop application development, service architecture, and structured data processing within secure and performance-sensitive environments.

The position bridges system architecture and hands-on implementation, ensuring that desktop and service components are scalable, reliable, maintainable, and aligned with modern engineering practices.
Key Responsibilities:
Design and implement end-to-end software solutions, including:
Backend services and data processing components
RESTful APIs and integration layers
Thick client desktop applications using modern frameworks
Develop and maintain Electron-based desktop applications or similar cross-platform client frameworks.
Architect secure and efficient communication between client applications and backend services.
Build systems capable of processing and validating structured data at scale.
Translate functional requirements into technical designs and working software.
Write clean, maintainable, and testable code following modern engineering best practices.
Collaborate with UI/UX designers to deliver responsive, high-performance desktop user interfaces.
Support containerized development environments and automated build pipelines.
Mentor junior engineers and contribute to team engineering standards.

Education and Background
Typically has a Bachelor's or masters degree in Computer Science, Software Engineering, or related field, and 7+ years of experience, or equivalent relevant work experience; e.g., each year of work experience may be substituted for each year of education required.

Years of Experience
7+ years of professional software engineering experience.

Required Skills
Required Qualifications:
Strong experience as a full stack developer, including:
Backend frameworks such as Java, Python, Node.js, or C#/.NET
Frontend frameworks such as React, Angular, or equivalent
REST API design and implementation
Experience developing thick client desktop applications, preferably using:
Electron
Or comparable cross-platform desktop frameworks
Experience designing client-server architectures and managing inter-process communication.
Experience working with structured data formats such as JSON, XML, CSV, or schema-driven models.
Experience delivering software in Agile/Scrum environments.
Strong debugging and performance optimization skills.

Preferred Skills
Preferred / Nice-to-Have Skills:
Experience optimizing Electron applications for performance, memory usage, and security.
Familiarity with secure desktop deployments in restricted or air-gapped environments.
Experience with geospatial visualization frameworks or advanced data visualization libraries.
Exposure to DevSecOps practices and tooling, including:
Docker and container-based workflows
CI/CD pipelines
Static code analysis tools
Experience supporting government or highly regulated development programs.

Working Conditions
Office environment
Our Core Values
Employees of Agile Defense are our number one priority, and the importance we place on our culture here is fundamental. Our culture is alive and evolving, but it always stays true to its roots. Here, you are valued as a family member, and we believe that we can accomplish great things together. Agile Defense has been highly successful in the past few years due to our employees and the culture we create together.
What makes us Agile? We call it the 6Hs, the values that define our culture and guide everything we do. Together, these values infuse vibrancy, integrity, and a tireless work ethic into advancing the most important national security and critical civilian missions. It's how we show up every day. It's who we are.
Happy - Be Infectious. Happiness multiplies and creates a positive and connected environment where motivation and satisfaction have an outsized effect on everything we do.
Helpful - Be Supportive. Being helpful is the foundation of teamwork, resulting in a supportive atmosphere where collaboration flourishes, and collective success is celebrated.
Honest - Be Trustworthy.Honesty serves as our compass, ensuring transparent communication and ethical conduct, essential to who we are and the complex domains we support.
Humble - Be Grounded.Success is not achieved alone, humility ensures a culture of mutual respect, encouraging open communication, and a willingness to learn from one another and take on any task.
Hungry - Be Eager.Our hunger for excellence drives an insatiable appetite for innovation and continuous improvement, propelling us forward in the face of new and unprecedented challenges.
Hustle - Be Driven.Hustle is reflected in our relentless work ethic, where we are each committed to going above and beyond to advance the mission and achieve success.
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
Originally posted on Himalayas

Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Role
Technology & IT API integration Javascript Project Management Python Remote Collaboration remote

Likely questions

  1. Tell us about work you have done that is close to the Senior Full Stack Engineer role.
  2. How would you approach your first 30 days at Agile Defense?
  3. Which of API integration, Javascript and Project Management have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you stay organised and communicate clearly when working remotely?

Prepare before the call

  • A recent example that proves your experience with API integration, Javascript and Project Management.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Senior Full Stack Engineer role because I can bring practical experience in API integration, Javascript and Project Management, learn the team quickly, and contribute to the outcomes Agile Defense needs from this hire.

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