Jeesung Park

Senior Full Stack Developer (PHP, MySQL)

Greater Kuala Lumpur

About

Key Professional Achievements 1. Solo Development and Management of Integrated ERP and CRM Systems I led the entire lifecycle of our internal management systems, from initial architecture design to ongoing operations. • Tech Stack - Pure PHP 7.x, MySQL, jQuery, HTML5, CSS3 Employee and Access Control System • Digitalized HR management by building modules for employee data, department assignments, and onboarding/offboarding. • Implemented Role-Based Access Control (RBAC) to strengthen internal security by managing menu access based on authority levels. • Established an IT asset tracking system integrated with employee profiles to ensure accountability for company hardware. Real Estate Asset and Revenue Management Solution • Developed a real-time inventory system to monitor sellable areas versus contracted areas instantly. • Built a performance dashboard for branch offices using customized jQuery libraries for advanced data visualization. • Improved financial accuracy by tracking payment stages and digitalizing land title records for every lot. Customer and Sales Management Module • Developed an integrated CRM and CS module that allows team members to share consultation histories, ensuring consistent customer support. 2. Project Management and Infrastructure Operations Website Development Project Management • Led corporate website projects by defining business-optimized requirements and designing comprehensive sitemaps. • Acted as the primary technical liaison for outsourcing partners, managing schedules and leading Quality Assurance (QA) for successful launches. • Managed post-launch operations, including server maintenance and periodic content updates. IT Asset and Infrastructure Maintenance • Integrated the management of PCs and peripherals into the ERP system to track usage history and lifecycles. • Provided direct technical support for hardware issues, ensuring business continuity through rapid diagnosis and onsite repairs.

Experience

  • General Management at Mirae Engineering & Construction Co., Ltd.
    Mar 2018 - Present · 8 yrs 4 mos

    I lead the end-to-end development and project management of internal ERP and CRM systems. I specialize in building custom enterprise solutions using PHP 7.x and MySQL to optimize construction management workflows and improve operational efficiency. My role involves overseeing the entire software development lifecycle to support the company's digital transformation.