> Markdown version of [/jobs/ext/3876848-senior-full-stack-developer](https://www.wearedevelopers.com/jobs/ext/3876848-senior-full-stack-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full Stack Developer - **Company:** Zachary Piper - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Salary:** $170,000.0 - $210,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), PHP (Programming Language), Web Accessibility, Systems Engineering, Automation of Tests, Code Review, Collaborative Software, Continuous Integration, Data Integration, Relational Databases, DevOps, Drupal, Elasticsearch, PostgreSQL, Linux System Administration, NoSQL, Open Source Technology, Scrum Methodology, Software Architecture, Reliability Engineering, Responsive Web Design, Web Application Security, Software Deployment, Software Engineering, TypeScript, Web Application Frameworks, Software Organization, ReactJS, Delivery Pipeline, Software Security, Backend, Git, Vue.js, AngularJS, Web Technologies, Front End Software Development, Software Version Control - **Published:** October 22, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9257936/senior-full-stack-developer ## About the Role * Active TS/SCI clearance with CI Polygraph * 10+ years of software development, full stack engineering, or systems engineering experience * Strong experience with JavaScript and/or TypeScript frontend development * Experience designing and developing secure web applications in Linux environments * Experience with PostgreSQL or other relational database technologies * Familiarity with Git, version control workflows, CI/CD pipelines, and DevOps practices * Experience working within Agile/Scrum software development teams * Strong understanding of software architecture, application security, and modern development practices * Excellent communication, troubleshooting, and problem-solving skills Preferred Qualifications: * Experience developing and maintaining PHP and Drupal applications * Experience with modern frontend frameworks such as React, Angular, or Vue.js * Experience with NoSQL databases, particularly Elasticsearch * Knowledge of accessibility standards, responsive design, and user experience (UX) principles * Experience with Site Reliability Engineering (SRE) practices * Experience implementing automated testing and deployment pipelines * Strong technical documentation, writing, and presentation skills ## Description * Design, develop, test, and maintain secure, scalable web applications and collaboration platforms * Develop frontend and backend solutions using JavaScript, TypeScript, PHP, and modern web technologies * Support Drupal-based applications and open-source development frameworks * Collaborate with stakeholders and end users to gather requirements and implement technical solutions * Participate in software architecture, system design, and application modernization initiatives * Develop and optimize database integrations using PostgreSQL and other relational databases * Improve CI/CD pipelines, automated testing, and DevOps processes * Support application deployments, system enhancements, and production troubleshooting in Linux environments * Collaborate with cross-functional engineering teams in Agile/Scrum environments * Mentor junior developers, conduct code reviews, and promote software development best practices