Junior Web Developer/Engineer - Contingent

Aretum is hiring a junior web developer to develop, maintain, and update client websites and applications. The role focuses on PHP and database-driven applications, along with deployment, security, monitoring, automation, and ongoing support of web platforms.

Responsibilities:

• Support a portfolio of 25+ PHP websites and several database-driven web applications, mainly MySQL, and possibly Oracle and Postgres databases
• Maintain, enhance, and rewrite existing code
• Write clean, modular, and efficient server-side PHP code to power application features, business logic, and dynamic web pages
• Design, create, upgrade, and manage relational databases (such as MySQL or PostgreSQL), write optimized SQL queries, and maintain data integrity and schemas; ensure passwords are updated and secure
• Design, develop, and consume RESTful APIs, work with modern PHP frameworks (such as Laravel, Symfony, or Yii), and integrate third-party web services
• Connect server-side logic with client-side elements by writing or integrating HTML5, CSS3, and JavaScript
• Deploy sites and applications to web servers (like Apache or NGINX), manage version control via Git, and provide ongoing updates, bug fixes, and legacy code refactoring
• Assist with automating CI/CD pipelines leveraging tools like Jenkins/Ansible/Terraform/Docker
• Debug existing code, perform unit and integration testing, and resolve application or performance bottlenecks
• Handle user authentication, authorization, data validation, and protect applications against common web vulnerabilities (like SQL injection, XSS, and CSRF), ensure IT security compliance, and remediate security scans
• Implement and enhance monitoring of web applications using Prometheus and Grafana
• Support, maintain, and enhance the current Solr Search platform
• Assist the team in improving and maintaining server content management and commercial off-the-shelf (COTS) applications

Requirements:

• Public Trust Eligibility Required
• the ability to obtain and maintain a Public Trust or Suitability Determination, depending on the agency's background investigation requirements
• Applicants must be U.S. citizens or currently authorized to work in the United States on a full-time basis
• Sponsorship is not available
• • Bachelor's Degree
• • 3 years of development experience with OOP
• • 2 years of experience with PHP or Python programming
• • 2 years of experience managing relational DBMSs such as MySQL/MariaDB/POSTGREL/Oracle
• • Experience with modern web application architecture (frontend, backend, APIs)
• • Expertise in creating cross-browser-compatible HTML web pages using modern techniques and technologies
• • Experience with PHP frameworks (CodeIgniter, Laravel, Zend, or similar)
• • Expertise in troubleshooting and debugging issues across various applications and tech stacks
• • Experience with containers (Docker) and automation using tools like Jenkins, GitLab runners, and CI/CD
• • Experience with IT security best practices for web development, such as preventing SQL Injection remediation and Cross-Site Scripting
• • Experience with implementing input Sanitization, Transport Layer Security, Dependency Management, hot fixes, and patching
• • Proficiency with Smarty template engine or similar
• • Familiarity with modern JS frameworks (jQuery, AngularJS, ReactJS, etc.)
• • Familiarity with libraries such as Bootstrap, Material Design
• • Proficient understanding of code versioning tools, such as Git, GitLab
• • Understanding of W3C standards and UI/UX design
• • Ability to write clean code (formatting, comments, standards)
• • Ability to work with existing code and knowledge of web application optimization techniques
• • Experience with Linux server administration, e.g., Apache config files, MySQL configuration, and general system admin tasks for regular Linux servers and Docker containers
• • Experience with developing or managing enterprise search technologies like SOLR or Elasticsearch
• • Experience implementing Continuous Integration / Continuous Deployment strategies / Kubernetes