LIVE: React Fullstack 5yr OPEN Financial Technologies Interview Recording 2025 | Round 1

💡 Welcome to Code Career & Cloud by Mayank
Your daily dose of Dev Tools, Coding Tips, Interview Prep, and Cloud Insights ☁️

I am sharing a real 47-minute live interview recording from 2025 where I appeared for a Node.js + React Fullstack Developer role at OPEN Financial Technologies.

I successfully cleared all 4 interview rounds and received the offer.
In this video, I am sharing only Round 1 so you can understand how real technical interviews actually happen.

🎯 What you will learn from this video

Real interview flow and discussion style

Actual questions asked by the interviewer

SQL, OOP, Design Patterns, DSA, and Node.js fundamentals

How interviewers evaluate problem-solving and clarity

If you find this helpful, like and comment and I will upload videos for Round 2, Round 3, and HR Round as well.
If you want Full Interviews questions list of PDF like comment and Fill the form of contact us on this site : https://vitabletech.in.

🏢 Company Details

Company: OPEN Financial Technologies
Role: React.js Fullstack Developer
Location: Bangalore, India

🎙️ Round 1 Technical Interview

Interviewer: Jestin Sebastian
Mode: Virtual Video Call


✅ Round 1 – Technical Interview (Virtual Video Call)

👤 *Interviewer:* Jestin Sebastian

---

✅ *General Experience & Introduction*

1. *How many years of experience do you have?*
---

✅ *Technical Skills & Stack*

3. *You mentioned OOP concepts—are you comfortable with those?*
---

✅ *Object-Oriented Programming & SOLID*
6. *Can you explain what SOLID principles are in object-oriented programming?*
---

✅ *SQL & Query Optimization*

7. *How do you optimize a slow-performing MySQL query?*
---

✅ *Data Structures*

14. *What is a queue?*
15. *What is a stack?*

---

✅ *Design Patterns*

19. *Are you aware of design patterns?*
20. *What exactly is a design pattern?*
---

✅ *CI/CD & DevOps*
24. *Which tools do you use for your open-source contributions?*
---

✅ *Projects & Contributions*
25. *Have you contributed to open source?*

🧰 Playlists You Will Like

Dev Tools in 60s
JavaScript and React Deep Dives
Cloud and AI Explained
Productivity and Developer Hacks

👨‍💻 Subscribe for more real interview content
   / @yourchannelhandle  

#NodeJSInterview,#LiveInterview,#NodeJSDeveloper,#ReactInterview,#FullStackInterview,#SoftwareEngineerInterview,#TechInterview2025,#OpenFinancial,#BackendInterview,#FrontendInterview,#DSAInterview,#SQLInterview,#DesignPatterns,#OOPConcepts,#CI_CD,#DevCareer,#IndianTech,#BangaloreJobs,#CodingInterview,#InterviewPreparation