
Pratama H
Back End Developer
Skills

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Work experience
Backend Developer
PT Nutech Integrasi • Full-time
Apr 2022 - Present • 4 yrs 1 mo
🔹 Job History Backend Developer 2022 – Present - Built and maintained RESTful APIs using Node.js and Golang - Designed and optimized PostgreSQL databases with complex queries - Implemented secure authentication using JWT (v5) - Developed middleware for API security and request validation - Integrated third-party APIs and handled authentication (401 troubleshooting & production debugging) - Built file upload systems using Multer and managed server-side file handling - Implemented SHA-512 hashing for payload validation and signature comparison - Created dynamic database connection handling based on request parameters 🔹 Achievements - Successfully developed scalable backend systems for multiple use cases - Improved API performance through query optimization and clean code practices - Experienced in debugging production-level issues (authentication, environment configs, deployment) - Built secure systems with proper validation and encryption logic - Strong focus on clean, maintainable, and efficient code