Devo Development — Mobile App Backend & Admin APIs

Problem

The mobile product needed backend APIs for authentication, profiles, notifications, chat, reports, advertisements, feedback, payments, and admin control.

Solution

Developed an Express.js API backend with mobile-facing routes, admin routes, MongoDB models, upload handling, JWT authentication, notification services, and communication modules.

How it was built

• Built Express.js application structure with mobile and admin APIs
• Used MongoDB/Mongoose models for users, messages, notifications, reports, advertisements, payments, and feedback
• Integrated JWT and basic authentication helpers
• Used Multer for upload handling
• Added FCM/node-gcm push notification support
• Implemented email workflows using Nodemailer and Mailgun
• Included Socket.IO-related modules for communication flows

Metrics

• Mobile API backend
• Admin API workflows
• Chat, notification, and payment modules

Tech