Candidate App
A high-performance mobile hub for career advancement, resume optimization, and specialized technical mentorship, bridging the gap between candidates and industry experts.
Technologies Used
Technical Architecture & Design Document
1. Overall Project Details
The Candidate App is a high-performance mobile application developed for The North Tech Labs. It serves as a central hub for candidates seeking career advancement, resume optimization, and specialized technical mentorship. The app bridges the gap between candidates and industry experts by providing a structured task-driven workflow, real-time communication, and secure payment processing for professional services.
2. Target Audience
- Job Seekers & Candidates: Individuals looking to improve their job prospects through resume optimization, technical training, and mock interviews.
- Technical Mentors & Specialists: Experts who provide guidance, review tasks, and communicate with candidates to ensure their career success.
- Career Switchers: Users transitioning into new industries who require structured paths and verified service delivery.
3. User Experience & Workflow
The platform is designed to guide candidates through a structured career advancement path, from initial onboarding to active task completion and specialist communication.
User Journey Flowchart
4. Technical Architecture Flow
The app follows a modern mobile architecture using Expo and React Native, interacting with a robust Node.js backend through a combination of RESTful APIs and real-time WebSockets.
System Architecture
5. Developer Role & Implementation Focus
- Scalable Mobile UI: Implementing a high-performance UI using Tamagui, ensuring consistent design tokens and smooth transitions.
- Real-time Communication: Orchestrating Socket.io for instant messaging, typing indicators, and live notification delivery.
- State Management: Leveraging Zustand for lightweight, performant state management across complex navigation flows.
- Secure Payments: Integrating the Stripe React Native SDK to handle multi-currency service purchases securely.
6. Technology Stack & Tools Used
- Frontend: React Native, Expo (SDK 54), TypeScript, Tamagui, Zustand
- Backend: Node.js, Express, Socket.io (WebSockets)
- Infrastructure: AWS S3, PostgreSQL, MongoDB, Redis
- External: Stripe SDK, Clerk Auth, EAS (Expo Application Services)
7. Communication Structure (REST & WebSockets)
The app maintains a highly responsive state by utilizing REST for persistent data and WebSockets for interactive features.