Indra Jasa

Full-Stack Web Developer

Self-Employed • Freiberufler

Jan 2025 - Present • 1 yr 4 mos

As a Freelance Full-Stack Developer, I specialize in designing and building custom web applications tailored to business needs. My experience ranges from developing comprehensive Point of Sale (POS) and HRIS systems to creating modern company profile websites. Key responsibilities and achievements: - Architected and developed multi-tier web applications with Role-Based Access Control (RBAC). - Built interactive, highly responsive user interfaces using React.js and Tailwind CSS. - Developed robust backends and RESTful APIs using Laravel (PHP) and Node.js. - Integrated external services such as payment gateways (Xendit) and secure email routing (Mailtrap/Nodemailer). - Managed relational databases (PostgreSQL and MySQL) to ensure data integrity and query optimization. - Implemented strict security measures including JWT authentication and Bcrypt hashing.

IT Infrastructure & Support Intern PT PUSRI PALEMBANG

Company • Vollzeit

Feb 2025 - Jun 2025 • 4 mos

Worked in the IT Infrastructure Division and supported internal technology operations, database-related tasks, and web application development. Implemented SQL Server Multi-Master Replication to improve database availability and reduce single points of failure across enterprise database nodes. Also developed an internal department activity log web application using WordPress and a custom PHP backend. This experience helped me understand enterprise IT workflows, database reliability, internal documentation, and practical web system development in a corporate environment.