AI Resume Analyzer & Builder

An AI-powered Resume Builder and ATS Resume Analyzer designed to help job seekers create professional resumes, optimize them for Applicant Tracking Systems (ATS), and receive intelligent suggestions powered by Large Language Models (LLMs).

The platform enables users to build resumes, analyze existing resumes, improve ATS scores, detect plagiarism, and download professionally formatted templates through an intuitive React-based interface.

Key Features

🤖 AI-powered Resume Analysis
📊 ATS Score Calculation
📝 Resume Builder with Professional Templates
💡 AI Resume Improvement Suggestions
🔍 Resume Plagiarism Detection
🔐 Secure Authentication using OAuth2 & JWT
☁️ Cloudinary File Storage
💳 Razorpay Payment Integration
📧 Email Notifications
📄 PDF Resume Upload & Parsing

🏗 System Architecture

                            CURRIX AI RESUME ANALYZER & BUILDER

┌─────────────────────────────────────────────────────────────────────────────┐
│                               USER                                          │
└─────────────────────────────────────────────────────────────────────────────┘
                                      │
                                      │
                                      ▼

                      React.js Frontend (Vite + Redux)

      Pages • Components • Resume Builder • ATS Dashboard
      Authentication • Templates • Payment • Profile

                                      │
                        Axios REST API Calls
                                      │
                                      ▼

──────────────────────────── Spring Boot Backend ─────────────────────────────

                          OAuth2 + JWT Authentication
                          Spring Security
                          Request Validation

                                      │
        ┌─────────────────────────────┼─────────────────────────────┐
        │                             │                             │
        ▼                             ▼                             ▼

 Authentication Service        Resume Service              ATS Analysis Service
 Register/Login                Resume Builder             Resume Scoring
 OAuth2 Login                  Resume CRUD                Keyword Analysis
 JWT Generation                Resume Templates           AI Suggestions

        │                             │                             │
        ├──────────────┬──────────────┴──────────────┬──────────────┤
        │              │                             │              │
        ▼              ▼                             ▼              ▼

 PDF Processing     OpenAI Service             Payment Service   Email Service
 Text Extraction    Resume Optimization        Razorpay          Notifications
 PDF Upload         AI Feedback                Webhooks          Verification

        │              │                             │              │
        └──────────────┼─────────────────────────────┼──────────────┘
                       │
                       ▼

                  Cloudinary Storage
            Resume PDFs • Images • Assets

                       │
                       ▼

────────────────────────────── Data Layer ───────────────────────────────────

                         MongoDB + Spring Data MongoDB

Collections

• Users
• Resumes
• Templates
• ATS Reports
• Payments
• Uploaded Documents

──────────────────────── External Integrations ──────────────────────────────

OpenAI API
Cloudinary
Razorpay
SMTP Email Service

──────────────────────────── Deployment ─────────────────────────────────────

Frontend → Vercel

Backend → Spring Boot

Database → MongoDB Atlas

🔄 Application Workflow

User
   │
   ▼
React Frontend
   │
   ▼
OAuth2 / JWT Authentication
   │
   ▼
Spring Boot REST APIs
   │
   ├───────────────► Resume Builder
   │
   ├───────────────► ATS Analyzer
   │
   ├───────────────► OpenAI Resume Suggestions
   │
   ├───────────────► Plagiarism Detection
   │
   ├───────────────► Cloudinary File Upload
   │
   ├───────────────► Razorpay Payment
   │
   └───────────────► Email Notification
                    │
                    ▼
               MongoDB Database
                    │
                    ▼
              ATS Score & AI Feedback

⚙ Tech Stack

Frontend

React.js
JavaScript
Tailwind CSS
Axios

Backend

Spring Boot
Spring Security
Spring Data MongoDB
JWT Authentication
OAuth2

AI Integration

OpenAI API
Resume Optimization
ATS Analysis

Database

MongoDB

Third-Party Services

Razorpay
Cloudinary
Email Service (Java Mail)

Testing

JUnit

📂 Project Structure

AI-Resume-Analyzer
│
├── resume-analyzer-ui (React Frontend)
│
└── ai-resume-analyzer (Spring Boot Backend)
      ├── config
      ├── controller
      ├── document
      ├── dto
      ├── exception
      ├── repository
      ├── security
      ├── service
      ├── utils
      └── AiResumeAnalyzerApplication.java

🔐 Security

OAuth2 Authentication
JWT-based Authorization
Spring Security Filters
Protected REST APIs
Secure File Upload Validation

🚀 Core Functionalities

Resume Builder

Create professional resumes using customizable templates.

ATS Resume Analyzer

Evaluate resumes against ATS standards and generate detailed scores with actionable recommendations.

AI Resume Optimization

Leverage OpenAI to rewrite bullet points, enhance content, and improve keyword relevance.

Secure Payments

Unlock premium features through Razorpay with webhook-based payment verification.

Cloud Storage

Upload and manage resumes securely using Cloudinary.

Email Notifications

Send confirmation emails and user notifications automatically.

🎯 Future Enhancements

Multi-language resume generation
AI mock interview preparation
LinkedIn profile optimization
Cover letter generation
Job recommendation engine
Resume version history
Recruiter dashboard

📌 Conclusion

The AI Resume Analyzer & Builder combines modern web technologies with AI to simplify resume creation and optimization. With secure authentication, intelligent resume analysis, ATS scoring, payment integration, and cloud storage, the platform delivers a scalable and production-ready solution for job seekers aiming to improve their hiring success.