rtCamp Interview Experience | Software Engineer 🧠

Date: October 2025
Role: Software Engineer / Full Stack Developer (PHP + JavaScript + React)
Experience Level: Fresher
Mode: Online

💰 Compensation Details

• CTC: ₹12 – 18 LPA (after confirmation)
• Internship Stipend: ₹20K – ₹25K per month for the first 6 months
• Joining Bonus: ₹1.5 Lakh after offer confirmation
• Post-confirmation Salary: ₹1 Lakh/month

⚙️ Hiring Process Overview

The rtCamp hiring process consisted of two technical rounds followed by one HR round.
Each round focused on different aspects — from fundamentals and coding to design and real-world problem-solving.

🧩 Round 1 – Core Web Development & Fundamentals

This round focused on checking your understanding of PHP, JavaScript, React, and Git.
It was a mix of conceptual and practical questions.

📘 Topics Covered

• PHP – Hypertext Preprocessor

  • Variables, arrays, functions, OOP concepts, sessions, cookies.
  • require vs include, GET vs POST, form handling, API basics.

• rtLearn Assignments

  • Questions were asked based on your submissions in rtLearn.
  • Be ready to explain your logic and approach.

• PHP Basics

  • CRUD logic, database queries, and API handling.

• JavaScript + React

  • JS: ES6, closures, promises, async/await, event loop.
  • React: hooks, state vs props, conditional rendering, and component lifecycle.

• Interview Discussion
  Topics covered (asked in the interview):
  Git and GitHub
  System Design
  System Security
  Web Development

🧠 Round 2 – System Design & Problem Solving

This round tested system design thinking, logic building, and scalability.

🔹 Key Questions

1. Design a YouTube-like video streaming platform

   • Discussed architecture, CDN, caching, database schema, and API endpoints.

2. Design a CAPTCHA system from scratch

   • Image generation, random strings, session validation, and rate limiting.

3. Elevator Algorithm (Lift System Design)

   • Which data structure to use (Queue/Priority Queue)?
   • How to optimize for multiple floor requests.

4. Comic Service Problem

   • You get 1 comic every 2 hours via email, but the server allows only one per day.
   • How to handle scheduling, queuing, and caching?

5. System Design – Load Balancer

   • Concepts of reverse proxy, traffic distribution, and fault tolerance.

6. Other Examples

   • Chat app, URL shortener, distributed logging design.

💬 HR Round

• Background and motivation discussion.
• Clarification on internship + confirmation structure:
  • 6-month internship: ₹20K–₹25K/month
  • Offer confirmation: ₹1.5 Lakh joining bonus
  • Full-time: ₹1 Lakh/month
• Checked communication, attitude, and alignment with rtCamp’s culture.

🧭 Tips for Future Candidates

• ✅ Complete your rtLearn Assignments carefully — many interview questions come from them.
• ✅ Revise PHP basics, React fundamentals, and Git workflows.
• ✅ Brush up system design fundamentals like caching, queues, and load balancing.
• ✅ Focus on explaining your reasoning clearly — they value understanding over memorization.

💡 My Preparation Notes

I compiled all the notes I used during my preparation — PHP, JS, React, Git, and system design topics are covered here.
👉 See my Notion notes here : https://tinyurl.com/rtcampnote

⭐ Verdict

A really good interview experience overall!
The questions were practical, thought-driven, and the interviewers were very friendly.
If you’re into open-source, web development, and real-world systems, rtCamp is a fantastic place to start your career.

Best of luck to everyone preparing! 🚀