Software Engineer / JavaScript/HTML/CSS

Software Engineer - JavaScript/HTML/CSS

Washington, DC

Salary From: $185,000 per year

MUST:

• An active Top Secret clearance or higher.
• 5+ years of experience in web application development, modernization, and refactoring.
• Proficiency in React, Node.js, JavaScript/HTML/CSS, and SQL (SQL Server and Oracle).
• Experience developing and integrating RESTful APIs.
• Experience in clean coding practices, including modular design, reuse, and performance optimization.
• Strong ability to analyze, refactor, and improve legacy applications.
• Experience with Git or other version control systems.
• Excellent problem-solving, communication, and collaboration skills.

DUTIES:

• Maintain, modernize, and refactor web applications for improved scalability, performance, and maintainability.
• Develop clean, efficient, and modular code following best practices in React.js, Node.js, JavaScript, HTML, and CSS.
• Refactor and optimize legacy code, improving readability, reducing technical debt, and enhancing maintainability.
• Enhance data-driven applications, building dashboards, automated workflows, and visualizations.
• Optimize SQL queries and database performance while ensuring security and best practices (SQL Server and Oracle).
• Collaborate with stakeholders to define technical requirements and implement scalable, modern solutions.
• Work within Agile methodologies (Scrum, XP, Kanban) to deliver high-quality solutions efficiently.
• Conduct code reviews, mentor junior developers, and promote continuous improvement.
• Support decision-making through actionable reports, analytics, and data-driven insights.

Quadrant is an affirmative action/equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religio