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Front-End Application Developer

LMI

$99,161 - $171,168
Sep 22, 2025
Washington, DC, US
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LMI is seeking a Front-End Developer to translate design concepts into responsive, high-performance software applications for government agencies, accelerating impact with innovation and speed.

Requirements

  • proficiency in modern languages such as HTML5, CSS3, and JavaScript (ES6+).
  • Demonstrated Experience with React
  • Experience with additional modern front-end frameworks like Angular, or Vue.js; and understanding of responsive design.
  • Familiarity with version control systems (e.g., Git)
  • Knowledge of web performance optimization.
  • Experience with object-oriented programming languages such as Python, Java, C++.
  • Experience with CSS preprocessors like Sass or Less.
  • Familiarity with RESTful APIs.
  • Experience with testing frameworks.
  • Knowledge of web security practices.

Responsibilities

  • Develop user-facing features using web technologies and collaborating with UI/UX designers.
  • Ensure the technical feasibility of designs, implement responsive design, and write clean, maintainable code.
  • Participate in code reviews, debug developed code, and stay current with front-end trends.
  • Collaborate with cross-functional teams, develop reusable code components, and ensure website accessibility.
  • Actively participate in Integrated Product Teams (IPT’s) and other engineering working groups to review, assess, and mature engineering artifacts such as concept of operations (CONOPs), system architecture, system behavior, system interfaces, functional allocation, Interface Control Documents/Descriptions (ICDs), and data models.
  • Provide meeting coordination, technical expertise, and software development to assist the customer decision makers.

Other

  • Travel within CONUS will be required on occasion.
  • Strong problem-solving skills.
  • Excellent communication and teamwork abilities.
  • Active DoD Clearance.
  • Candidate must be eligible to obtain a DoD clearance.