Ohm Amrin

Backend Developer with approximately 1–2 years of experience in RESTful API development, database design, and backend application development using Go and Node.js. Focused on building well-structured, maintainable, secure, and scalable backend systems. Experienced in both practical and research-based IoT engineering projects, including Smart Farm and Smart Home systems using MQTT, Zigbee, Home Assistant, Raspberry Pi, NodeMCU, and ESP32.

Capable of integrating IoT devices with backend systems for real-time data collection, processing, storage, and visualization. Knowledgeable in circuit and prototype development using EasyEDA, PCB design, SketchUp, and 3D printing.

Backend Developer at INET Co., Ltd. (2024-06 – 2025-12)

• Designed and developed RESTful APIs for web applications using Go and Node.js.
• Designed database structures and Entity Relationship Diagrams based on business requirements.
• Developed backend services for a Farm Management System.
• Developed backend services for E-Warranty and Management Dashboard systems.
• Implemented data validation, error handling, and standardized API responses.
• Integrated backend applications with MySQL and MariaDB databases.
• Organized application components into handler, service, repository, and model layers.
• Developed and maintained database migrations for controlled schema changes.
• Tested APIs using Postman and troubleshot application issues.
• Used Git and GitHub for source-code management and team collaboration.

IoT Engineer / IoT Developer at INET Co., Ltd. (2026-01 – Present)

• Developed Smart Farm and Smart Home systems for remote monitoring and device control.
• Integrated sensors and IoT devices using NodeMCU, ESP32, and Raspberry Pi.
• Used MQTT for communication between IoT devices and backend services.
• Integrated Zigbee devices with Home Assistant.
• Developed systems for collecting, processing, and displaying sensor data in real time.
• Designed electronic circuits and PCBs using EasyEDA.
• Designed prototype enclosures and components using SketchUp and 3D printing.
• Diagnosed and resolved hardware, network, and device communication issues.

Bachelor in Computer Engineering – Rajamangala University of Technology Srivijaya (2020 – 2023)