What is “Proof of Concept” in software development?
- Debapritam Mishra
- Feb 10
- 3 min read
Proof of Concept (POC)
A "proof of concept" during an interview refers to demonstrating a tangible example of your ability to solve a problem or implement a solution relevant to the job role, often by presenting a small project, prototype, or specific case study that showcases your skills and understanding of the key concepts involved, effectively proving that your idea can work in practice.
Key points about "proof of concept" in interviews:
· Purpose:
To showcase your practical application of knowledge and ability to execute an idea, going beyond just theoretical understanding.
· How to present it:
Describe the problem
Explain your approach
Highlight results
Be prepared to answer questions
Examples of "proof of concept" in different roles:
A small code snippet demonstrating a specific algorithm or feature you implemented.
· Marketing Analyst:
A data analysis report highlighting a successful marketing campaign you designed and executed.
· Design professional:
A wireframe or prototype showcasing a user interface design solution.
· Project Manager:
A detailed project plan with clear timelines and milestones for a complex initiative you managed.
An illustrative case study given to student in an interview-
Project Overview
This Proof of Concept (POC) aims to create a basic user management system for freshers in the company to understand and implement fundamental authentication and CRUD operations. The application will be built using React (or Angular) for the frontend, Node.js (or Python/Java/.NET) for the backend, and MySQL for the database.
Features
1. Authentication System
○ Login
○ Signup
○ Forgot Password
○ Update Password
2. User Management ○ Add User (Fields: Name, DOB, Password, Profile Image)
○ Edit User
○ Delete User
○ List Users (with Search & Sort functionality for all fields)
Tech Stack
● Frontend: React.js / Angular
● Backend: Node.js / Python / Java / .NET / PHP
● Database: MySQL
● Authentication: JWT / OAuth2.0
● API Communication: REST API
Tasks & Subtasks
1. Authentication Module
1.1 Signup
● User registration form with Name, Email, Password, Confirm Password
● Password hashing (BCrypt)
● Save user details in MySQL
● Send verification email (optional)
1.2 Login
● User authentication using Email & Password
● JWT Token generation for session management
1.3 Forgot Password
● Input email to request password reset
● Send password reset link via email
● Implement reset password functionality
1.4 Update Password
● Change password from profile settings
● Validate old password before updating
2. User Management Module
2.1 Add User
● Form to enter user details (Name, DOB, Password, Profile Image)
● Password encryption before saving
● Store image in local/cloud storage
2.2 Edit User
● Fetch user details for modification
● Allow updating any field
2.3 Delete User
● Soft delete or permanent delete option
2.4 List Users
● Display user list with Name, DOB, Profile Image
● Implement Search on all fields
● Implement Sort functionality on all fields
UI Sections
1. Login Page
● Email & Password input fields
● "Forgot Password" link
● "Signup" button
2. Signup Page
● Name, Email, Password, Confirm Password fields
● "Sign Up" button
3. Forgot Password Page
● Email input field
● "Send Reset Link" button
4. User Management Page
● Add User Form: Name, DOB, Password, Profile Image upload
● Edit User Form: Pre-filled form to update user details
● User List Table: Displays all users with search & sort
Summary
This POC provides freshers with a fundamental understanding of authentication, user management, and database operations. It also helps them explore technologies like React, Node.js, and MySQL in a real-world application setup.
Submission - Code Repository Access of Frontend
Code Repository Access of APIs
Database Schema of MySQL
APIs documentation ( postmen / swagger ) URL
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