Front End Developer I

Job Title: Front End Developer I

Employment Type: Full-Time
Company: VSI Technologies
Work Location: Remote
Start Date: Immediate
Reports To: Engineering Manager / Technical Lead

Position Summary

VSI Technologies is seeking a Front End Developer I to support and enhance production web applications for enterprise and government clients. This role requires a developer who can contribute on day one, work within existing codebases, and follow established technical standards.

This is not a training role. Candidates must already understand front-end development in real production environments.

Key Responsibilities

• Develop and maintain front-end features using HTML5, CSS3, and JavaScript (ES6+)


• Build and enhance UI components using React (functional components and hooks)


• Integrate front-end applications with RESTful APIs


• Implement responsive layouts using Flexbox and CSS Grid


• Ensure cross-browser compatibility and consistent UI behavior


• Debug and resolve UI defects using browser developer tools


• Follow existing design systems, coding standards, and documentation requirements


• Participate in code reviews and apply feedback efficiently


• Support enhancements and bug fixes for existing applications


• Deliver assigned work on schedule with minimal supervision

Required Technical Skills (Must Have)

• HTML5
  
  
  
  • Semantic markup
  
  
  • Accessibility fundamentals
  
  
  
  


• CSS3
  
  
  
  • Flexbox and Grid
  
  
  • Responsive layouts and media queries
  
  
  • Experience with utility or preprocessor frameworks (SASS, Tailwind, or similar)
  
  
  
  


• JavaScript (ES6+)
  
  
  
  • Async/await and promises
  
  
  • DOM manipulation and event handling
  
  
  • Data handling and basic error management
  
  
  
  


• React
  
  
  
  • Functional components
  
  
  • Hooks (useState, useEffect, useContext)
  
  
  • Component-based architecture
  
  
  
  


• API Integration
  
  
  
  • REST API consumption
  
  
  • JSON data handling
  
  
  
  


• Version Control
  
  
  
  • Git (branches, pull requests, merge conflict resolution)
  
  
  
  


• Build Tools
  
  
  
  • npm or yarn
  
  
  • Familiarity with Webpack, Vite, or similar tools
  
  
  
  

Preferred Qualifications

• Experience with TypeScript


• Familiarity with UI component libraries (Material UI, Ant Design, Chakra, etc.)


• Understanding of front-end performance optimization


• Exposure to secure coding practices


• Experience supporting enterprise or government systems


• Basic understanding of CI/CD workflows

Minimum Qualifications

• 1–3 years of professional front-end development experience


• Experience working on production web applications


• Ability to work independently and follow established processes


• Portfolio or code samples available upon request

Professional Expectations

• Ability to read and extend existing code without breaking functionality


• Strong attention to detail and code quality


• Clear written and verbal communication


• Accountability for deliverables and deadlines


• Respect for structured, process-driven environments

What This Role Is Not

• Not an internship


• Not a training or “learn as you go” role


• Not a UI/UX designer position

Applicants who require basic front-end training should not apply.

About VSI Technologies

VSI Technologies delivers technology solutions across government, defense, and enterprise sectors. We value:

• Reliability over experimentation


• Clean, maintainable code


• Professionals who execute without constant oversight