Scale Engineer

4a

Software EngineerSDE IIMedium to Hard

This interview process is for a Software Engineer (SDE II) role at OYO, focusing on assessing technical skills, problem-solving abilities, and cultural fit. The process is designed to evaluate candidates for their ability to contribute effectively to our engineering teams.

Rounds·3

Timeline·~7d

Experience·3 - 6 yrs

Comp band·US$180000 - US$250000

Interview time·150 min

Evaluation

What they measure.

  • Problem-solving approach
  • Algorithmic thinking
  • Data structure knowledge
  • Code quality and efficiency
  • Testability of code

Preparation

How to prepare.

Tips

  1. Brush up on fundamental data structures and algorithms (Arrays, Linked Lists, Trees, Graphs, Hash Tables, Sorting, Searching).
  2. Practice coding problems on platforms like LeetCode, HackerRank, or GeeksforGeeks, focusing on medium to hard difficulty.
  3. Review core computer science concepts: Operating Systems, Databases, Networking.
  4. Study system design principles and common patterns (e.g., load balancing, caching, message queues, database sharding).
  5. Prepare for behavioral questions by reflecting on your past experiences using the STAR method (Situation, Task, Action, Result).
  6. Understand OYO's business model and how technology supports it.
  7. Be ready to discuss your past projects in detail, highlighting your contributions and technical challenges.

Study plan

Fig · Study plan — 05 phases

01 / 05
01

Phase 01 of 05

Data Structures & Algorithms

Weeks 1-2: DSA fundamentals and practice (Arrays, Lists, Trees, Graphs, Sorting, Searching).

Weeks 1-2: Focus on Data Structures and Algorithms. Cover arrays, linked lists, stacks, queues, trees (binary, BST, AVL), heaps, hash tables, graphs. Practice problems related to searching, sorting, recursion, dynamic programming, and graph traversal. Aim for 2-3 problems per day.

Questions

Commonly asked.

  • Design a URL shortening service.
  • Implement a function to find the k-th largest element in an unsorted array.
  • Explain the difference between processes and threads.
  • How would you design a notification system for a social media platform?
  • Describe a situation where you had to deal with a difficult stakeholder.
  • What are the trade-offs between monolithic and microservices architecture?
  • Write a function to reverse a linked list.
  • How do you approach performance optimization in a web application?
  • Tell me about a time you failed and what you learned from it.
  • Design a system to handle real-time analytics for a streaming service.

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

Bangalore

Interview focus

System Design for high-traffic applicationsScalability and performance optimizationDatabase management and optimizationMicroservices architecture and communication patternsProblem-solving in a distributed environment

Common questions

  • How would you design a system to handle real-time booking updates for millions of users?
  • Discuss a challenging bug you encountered and how you debugged it.
  • Explain the trade-offs between SQL and NoSQL databases for a travel booking platform.
  • How do you ensure scalability and reliability in a distributed system?
  • Describe your experience with microservices architecture.

Tips

  • Familiarize yourself with common system design patterns used in e-commerce and travel tech.
  • Practice explaining complex technical concepts clearly and concisely.
  • Be prepared to discuss trade-offs and justify your design decisions.
  • Understand the nuances of distributed systems and potential failure points.
  • Research OYO's tech stack and recent engineering challenges if publicly available.

Rounds

Round-by-round.

Expand a step for evaluation criteria, sample questions, and prep notes.

DSA

Coding questions at oyo.

Frequently reported on oyo loops

View all at oyo

Other guides

More at oyo.