Ryan Prayoga.

5 mos

Freelance Fullstack Developer

Putra Selamat Makmur — Tangerang, Indonesia

Delivered an end-to-end company profile and internal management web application for an industrial forklift-service client (Putra Selamat Makmur). Scoped, built, shipped, and SEO-tuned from scratch.

• ✓ Architected and developed high-performance web platform using SvelteKit, TypeScript, and Tailwind CSS
• ✓ Engineered backend services in Go and deployed on Linux VPS with Caddy reverse proxy for zero-downtime static delivery
• ✓ Implemented interactive service catalog, WhatsApp business inquiry routing, and verified client portfolio showcase
• ✓ Optimized local SEO, OpenGraph metadata, and Schema.org structured data, achieving top search visibility and sub-second page loads

4 yrs 2 mos

Fullstack Developer

PT Traspac Makmur Sejahtera — Jakarta, Indonesia

Built production web and mobile applications for government agencies and state-owned enterprises in an R&D division. Main PIC across multiple concurrent projects — responsible for architecture decisions, development, and long-term maintenance.

• ✓ Built and maintained microservice-based systems across identity management, learning platforms, and document processing
• ✓ Handled API integration and data processing with datasets from hundreds of thousands to millions of records
• ✓ Implemented SSO and multi-factor authentication (including biometric) for enterprise applications
• ✓ Developed mobile applications with real-time features: notifications, GPS tracking, and live chat
• ✓ Built automated document generation pipelines for certificates and PDF reports
• ✓ Managed VPS infrastructure, set up CI/CD pipelines, and led legacy stack modernization
• ✓ Kept 3–5 concurrent projects on track, maintaining code review practices and coding standards