Grandy Marten

Skills

• Languages & Frameworks: PHP (CodeIgniter), C# (.NET Core), JavaScript, jQuery, Python
• Databases: SQL Server, MySQL, Stored Procedures, Performance Optimization
• API & Integration: RESTful APIs, JSON, AJAX, Postman, Swagger
• Tools & DevOps: Git, GitHub, Postman, Salesforce CRM
• Other Skills: System Migration, Legacy System Integration, Technical Mentoring

About

Results-driven Back-End Developer with 11+ years of experience building scalable server-side
solutions using PHP (CodeIgniter), C#, Python, SQL Server, and MySQL, plus 1 year of Salesforce
CRM integration. Expertise in API development, database optimization, and system
architecture with full-stack capabilities using JavaScript. Proven ability to design high-performance
applications while ensuring security and maintainability.