OCEAN BLUE SOLUTIONS INC

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Job Title: CodeIgniter Lead / Architect (Legacy Upgrade – CI2 to CI4) Location: San Diego, CA (Prefers onsite but Remote is fine) Type: Contract Duration: 2 Months Experience Level: Mid to Senior (8+ years preferred) Role Overview We are looking for an experienced CodeIgniter Developer with a strong background in modern PHP frameworks, IIS-based hosting, SQL Server integration, and Dockerized Azure environments. The ideal candidate will lead the migration of legacy CodeIgniter 2 (CI2) applications to CodeIgniter 4 (CI4), ensuring performance, security, and code modernization while maintaining full functional parity. Key Responsibilities • Convert legacy CodeIgniter 2 controllers, models, libraries, and helpers to CodeIgniter 4 standards. • Refactor legacy procedural code to modern OOP MVC structure. • Migrate views (PHP, Twig, AngularJS 1) with minimal UI disruption. • Build and maintain REST APIs for internal and external systems. • Integrate SQL Server stored procedures and optimize database queries. • Implement authentication, session, and access control aligned with CI4. • Deploy applications on IIS servers and Dockerized Azure environments. • Implement CI/CD pipelines and manage Azure App Services deployments. • Ensure testing, documentation, and security best practices are followed. Technical Skills Required Core Stack: • PHP 7.4+ / 8.x with CodeIgniter 4 (and experience in CodeIgniter 2) • AngularJS 1.x, jQuery, Bootstrap, HTML5, CSS3 • Microsoft SQL Server, T-SQL, Stored Procedures, Views, Triggers • IIS (Windows Server 2019/2022) configuration & optimization DevOps / Cloud: • Docker containerization (multi-stage builds, networking, volumes) • Azure Cloud Services (App Service, Azure SQL, Container Registry, Key Vault) • CI/CD pipelines (GitHub Actions, Azure DevOps, or Jenkins) • Version Control: Git (GitHub / GitLab / Bitbucket) Tools & Supporting Libraries: • Composer, PSR-4 autoloading, Namespaces • PHP extensions: SQLSRV, intl, gd, zip • ENV configuration for multi-environment setup • PowerShell or Bash scripting for deployment Preferred Experience • Experience upgrading CI2 to CI4 with functional and database parity. • Migrating CI2 sessions, routes, and libraries to CI4 equivalents. • Working knowledge of API-based integrations (e.g., reCAPTCHA, payment gateways). • Exposure to WordPress or Bedrock setups (bonus). • Knowledge of Windows Docker containers and hybrid deployment scenarios. Soft Skills • Excellent debugging, analytical, and problem-solving skills. • Strong communication and ability to collaborate with distributed teams. • Self-driven, detail-oriented, and focused on maintainable code. • Comfortable working in Agile or hybrid waterfall environments. Educational Qualifications • Bachelor’s degree in Computer Science, Information Technology, or equivalent experience. • Certifications in PHP, Azure, or DevOps are a plus. Example Projects • Migrating and modernizing a legacy CI2-based insurance platform with AngularJS frontends. • Building Docker-based CI4 environments integrated with SQL Server backends. • Automating deployment pipelines to Azure App Services with staging and production slots. • Refactoring legacy models and controllers for RFP, enrollment, reporting, and document modules.