WAHYU PATRIAJIFull-Stack & Mobile Engineer
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SYS_ID: 08-monitoring-poh-mobileMOBILE

Monitoring POH Mobile

Organic Fertilizer (POH) Operations Mobile App

// Technologies:
FlutterSQLite / Hive
PROJECT SCREENSHOTS (16:9 HD)
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Monitoring POH Mobile preview 1

Overview

Mobile application for operators and supervisors to log daily formulation data, organic fertilizer (POH) batches, and inventory verification.

// Role:

Mobile Developer & System Analyst

// Key Contributions:
  • Built the mobile application from scratch as the full developer for the entire app, collaborating with the manager and lead staff.
  • Designed clean and efficient mobile UI/UX screens for seamless formulation data entry, incorporating updates requested by users.
  • Analyzed fertilizer plant operational workflows and built the Flutter mobile app following Clean Architecture patterns.
  • Engineered a Dynamic Form Builder Engine for customizable organic fertilizer formulation and batch mixing parameters.
  • Implemented local Hive caching for low-connectivity plant areas and automated JWT token refresh lifecycle management using Dio network interceptors.

Key Features

  • 1Daily Organic Fertilizer (POH) Batch Creation Logging
  • 2Organic Fertilizer Formulation & Mixing Data Entry
  • 3Fertilizer Facility & Equipment Inspection Checklist
  • 4Supervisor Batch Creation Sign-Off & Approvals
  • 5Offline Data Logging in Remote Fertilizer Plant Areas

System Architecture

// DEEP_TECH_SPECS & INTEGRATION

  • >Flutter Mobile Architecture following Clean Architecture Patterns
  • >Dynamic Form Builder Engine for Organic Fertilizer Formulation Parameters
  • >Dio HTTP Handling with Automated Token Lifecycle Management
  • >Local Storage Caching using Hive / SharedPreferences
  • >Image Loading Optimization via Cached Network Image Pipeline

Screenshots & Visuals

1 SCREENSHOTS
Monitoring POH Mobile preview 1
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