YojnaHub
YojnaHub is a modern Android application providing government job alerts, scholarship updates, PDF tools, document utilities and Firebase push notifications for students across India.
Key Features & Architecture Modules
Client & Project Overview
YojnaHub is an educational and employment utility platform serving job seekers, college students, and civil exam aspirants across India needing fast access to official notifications and application document preparation tools.
The Engineering Challenge
Indian government examination candidates routinely struggle with fragmented notification sources and strict portal upload constraints—such as requiring application photos and identity certificates to be under 200KB. Users were dropping off because they lacked accessible PDF editing utilities on their smartphones.
The ARSAJIX Solution
ARSAJIX engineered a native Android application using modern Kotlin and Android Jetpack architecture. We implemented an event-driven Firebase Cloud Messaging pipeline for instant push notifications and embedded an on-device C++ WebAssembly PDF engine directly inside the app, allowing users to compress, merge, and format documents offline before submission.
System Architecture & Implementation Highlights
- MVVM Clean Architecture with Kotlin Coroutines and Flow
- Room local SQLite caching for reliable offline accessibility
- Embedded lightweight PDF manipulation binary operating on local device RAM
- FCM pub/sub topic architecture segmenting alerts by qualification and state
Case Study Questions & Answers
Technical specifics about this implementation
How does YojnaHub compress PDF files without an external server?
The app embeds a native compiled document engine that executes entirely on the user's smartphone CPU. No files or personal certificates are ever uploaded to external cloud storage.
Can this Android architecture be adapted for other content feeds?
Yes. The modular MVVM architecture and offline-first Room database structure can be repurposed for news apps, enterprise employee portals, and digital catalog viewers.
Scope & Deliverables
- Government job opportunities and scholarship aggregation feed
- Firebase Cloud Messaging real-time push alerts engine
- In-app PDF compression, scanner, and document merge utility
- AdMob SDK mediation & Google Play Store release
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