PHP/JavaScript Engineer

The Josef Group; Chantilly (VA); On-site; USD 165,000 - 185,000; Full time

Job summary

The Josef Group is seeking a hands-on software developer in Chantilly, VA to design, build, and maintain full stack web applications. You will work across UI, middleware, backend services, and APIs to deliver scalable solutions that meet business needs.

You will leverage MySQL for database-driven apps, modernize existing sites, and collaborate with cross-functional teams in an onsite environment. A TS/SCI clearance with CI Polygraph is required to start.

Qualifications

• Active TS/SCI clearance with CI Polygraph.
• Bachelor's degree in CS/SE or related field, or 8+ years of relevant experience.
• 5+ years of experience designing, developing, and maintaining websites or web applications.
• Strong experience with full stack development including UI, middleware, backend services, and APIs.
• Experience with MySQL database-driven applications.

Responsibilities

• Develop and enhance full stack solutions across user interfaces, middleware, backend services, and APIs.
• Build, maintain, and optimize database-driven applications using MySQL.
• Develop and integrate web services and APIs to support application functionality and system interoperability.
• Maintain and modernize existing websites and web applications, implementing new features and improving performance.
• Collaborate with stakeholders to gather requirements, identify technical needs, and translate business objectives into functional software solutions.
• Troubleshoot application issues, debug code, and implement improvements to enhance reliability and usability.
• Support workflow automation and process improvements through custom application development.
• Collaborate with technical teams throughout the software development lifecycle.
• Develop and maintain technical documentation to support application functionality, maintenance, and future enhancements.

Skills

Full stack development

Troubleshooting

Collaboration

Education

Bachelor's degree in Computer Science or related field

8+ years of relevant experience in lieu of a degree

Tools

MySQL

Joomla CMS

AWS

Jira

Confluence

HTML/CSS

Job description

Location: Chantilly, VA (Onsite)
Salary: $165,000–$185,000
Clearance: Active TS/SCI with CI Polygraph or FSP is required to start

Position Overview

This is a hands-on development opportunity for someone who enjoys solving technical challenges, improving existing applications, and delivering scalable, reliable software solutions in a collaborative environment.

Key Responsibilities

Develop and enhance full stack solutions across user interfaces, middleware, backend services, and APIs.

Build, maintain, and optimize database-driven applications using MySQL.

Develop and integrate web services and APIs to support application functionality and system interoperability.

Maintain and modernize existing websites and web applications, implementing new features and improving performance.

Collaborate with stakeholders to gather requirements, identify technical needs, and translate business objectives into functional software solutions.

Troubleshoot application issues, debug code, and implement improvements to enhance reliability and usability.

Support workflow automation and process improvements through custom application development.

Collaborate with technical teams throughout the software development lifecycle.

Develop and maintain technical documentation to support application functionality, maintenance, and future enhancements.

Required Qualifications

Active TS/SCI clearance with CI Polygraph.

Bachelor's degree in Computer Science, Software Engineering, or a related technical field, or 8+ years of relevant professional experience in lieu of a degree.

5+ years of professional experience designing, developing, and maintaining websites or web applications.

Strong experience with full stack development, including user interfaces, middleware, backend services, and APIs.

Experience developing and maintaining database-driven applications using MySQL.

Strong troubleshooting, debugging, and problem-solving skills.

Ability to work collaboratively with technical teams and stakeholders in an onsite environment.

Preferred Qualifications

Experience developing and maintaining Joomla CMS plug-ins, extensions, and custom functionality.

Experience with Amazon Web Services (AWS) and cloud-based application environments.

Familiarity with Jira, Confluence, or similar project management and collaboration tools.

Experience with HTML, CSS, and modern web development standards.

Knowledge of responsive web design and accessibility best practices.

Experience gathering technical requirements and translating stakeholder needs into software solutions.

Experience developing automated workflows and improving existing business processes.

Experience supporting government or mission-critical software applications.