Senior Full-Stack Engineer: Build Secure Gov/IC Apps

KDA CONSULTING INC; Chantilly (VA); On-site; USD 80,000 - 120,000; Full time

Job summary

A leading consulting firm in Chantilly, Virginia is seeking a skilled Full Stack Developer to enhance enterprise applications for government and Intelligence Community programs. The role requires active TS/SCI clearance with Polygraph, along with strong expertise in front-end and back-end development using frameworks like React, Angular, Node.js, or .NET. Candidates should possess a Bachelor's in Computer Science or related field and have excellent communication skills to collaborate within Agile teams.

Qualifications

• Active TS/SCI clearance W/ Polygraph required.
• Demonstrated experience in full stack development.
• Solid understanding of software development lifecycle (SDLC).

Responsibilities

• Design, develop, test, and maintain enterprise applications.
• Ensure applications are optimized for performance, scalability, and reliability.
• Work closely with cross-functional teams in an Agile environment.

Skills

Front-end development

Back-end development

Agile methodologies

React

Angular

Node.js

.NET

Education

Bachelor's degree in Computer Science, Engineering or related field

Job description

KDA Consulting Inc. is seeking a talented Full Stack Developer to support the design, development, and maintenance of enterprise-level applications within mission-driven environments. This role will focus on building scalable, secure, and high-performing systems that support critical operational needs across government and Intelligence Community (IC) programs.

The ideal candidate is a well-rounded engineer with experience across both front-end and back-end development, capable of working in Agile environments and contributing to modern application architectures.

Full Stack Development

• Design, develop, test, and maintain enterprise applications across front-end and back-end systems
• Build responsive, user-friendly interfaces using modern frameworks such as React or Angular
• Develop backend services, APIs, and business logic using technologies such as Node.js, .NET, or Java
  
  

Application Architecture & Integration

• Design and implement RESTful APIs and microservices to support scalable application architectures
• Integrate applications with databases, third-party systems, and internal services
• Support modernization efforts, enhancing legacy systems with modern frameworks and design patterns
  
  

Performance, Security & Quality

• Ensure applications are optimized for performance, scalability, and reliability
• Apply secure coding practices aligned with government and IC standards
• Conduct debugging, testing, and code reviews to maintain high-quality deliverables
  
  

Collaboration & Agile Delivery

• Work closely with cross-functional teams including engineers, product owners, QA, and stakeholders
• Participate in Agile ceremonies such as sprint planning, stand-ups, and retrospectives
• Translate functional requirements into technical solutions and deliverables
  
  

Requirements

Active TS/SCI clearance W/ Polygraph Required.

Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience)

Demonstrated experience in full stack development (frontend + backend)

Strong experience with modern frameworks such as React, Angular, Node.js, or .NET

Experience building and consuming APIs and working with web services

Solid understanding of software development lifecycle (SDLC) and Agile methodologies

Strong communication skills and ability to collaborate across teams