Senior Web Application Developer

Summary

Join TrueTandem as a Senior Web Application Developer and contribute to development projects at a U.S. Federal government agency. You will design, develop, and maintain web applications, leveraging your expertise in React.js, Node.js, JavaScript, HTML, CSS, and SQL. This role demands a deep understanding of web development best practices and collaborative skills. You will maintain, modernize, and refactor applications, optimize database performance, and work within Agile methodologies. The ideal candidate possesses strong problem-solving abilities and a passion for delivering high-quality solutions. This position offers the opportunity to mentor junior developers and contribute to continuous improvement within a dynamic team.

Requirements

• 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

Responsibilities

• 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

Preferred Qualifications

• Experience with SQL Server or Oracle v19 for data management
• Familiarity with ColdFusion and frameworks like ColdBox or FW/1
• Exposure to Python, Next.js, R, ASP.NET, or C# for full-stack development
• Basic knowledge of Linux (RHEL) administration for system support
• Comfort with Confluence or project collaboration tools
• A knack for optimizing processes and improving workflows
• Some familiarity with DevOps concepts (CI/CD, automation)