I filled a form for UKG, after which I received an OA that included one coding question, a SQL query, and around 20 MCQs. Almost two months later, I got an exciting opportunity to proceed further. There were 4 online interview rounds after the OA — 2 technical, 1 director, and 1 HR — all elimination rounds.

🧑‍💻 Self-Introduction

• B.Tech in CSE from IIIT Ranchi
• Strong in DSA & CP (solved 3000+ problems)
• LeetCode Guardian, ICPC Regionalist
• Taught DSA to 1000+ students (shows communication)
• Hobby: Story writing (shows creativity)

✅ Technical Round 1 - 30 mins

• Scenario-Based :
  • Browser navigation using doubly linked list.
  • Jump to a previous tab using map + DLL (LRU-style).
  • No coding, only explanation.

• Resume + Project:
  • JWT, bcrypt, and use of MongoDB over RDBMS.

• SQL: Join employee and department, show “No Department” if unassigned.

• DSA: Rotate Linked List (LeetCode 61)

✅ Technical Round 2 - 30 mins

• Implemented full Linked List: create, insert, delete, search
• Explained JWT-based authentication and session flow
• Described how user roles (buyer/seller) are identified after login
• Discussed ACID properties

✅ Director Round Summary (45 mins)

• Asked if I was familiar with NP Problems and Travelling Salesman Problem (no coding, just concepts)
• Discussed approach for Dijkstra, DFS, and BFS (no implementation)
• SQL: Spoke out a simple join query
• Java: Explained what Streams are and their use
• React: Explained Stateless Components
• DBMS Discussion: Deep dive into RDBMS vs NoSQL and when to use which

✅ HR Round Summary (15 mins)

• Talked about my family background
• Asked: What does UKG do? – gave a brief answer
• Asked for preferred job location – chose Pune based on personal comfort

✨ Final Note

Overall, the interview process was very smooth and well-structured. I’m happy to share that I got selected for the UKG Pune Office! Grateful for the opportunity and excited for what lies ahead. 😊