This interview process is for a Software Engineer role at Persistent Systems, designed to assess technical skills, problem-solving abilities, and cultural fit.
Rounds·3
Timeline·~7d
Experience·2 - 5 yrs
Comp band·US$80000 - US$120000
Interview time·150 min
Evaluation
Preparation
Tips
Study plan
Fig · Study plan — 05 phases
01 / 05Phase 01 of 05
Weeks 1-2: Data Structures & Algorithms fundamentals. Practice implementations and complexity analysis.
Weeks 1-2: Focus on core data structures (Arrays, Linked Lists, Trees, Graphs, Hash Tables) and algorithms (Sorting, Searching, Dynamic Programming, Greedy Algorithms). Practice implementing these and analyzing their time and space complexity.
Phase 02 of 05
Week 3: OOP principles and Design Patterns.
Week 3: Deep dive into Object-Oriented Programming (OOP) principles (Encapsulation, Inheritance, Polymorphism, Abstraction) and common design patterns (Singleton, Factory, Observer, Strategy).
Phase 03 of 05
Week 4: System Design concepts and practice.
Week 4: Focus on System Design. Understand concepts like scalability, load balancing, database design (SQL vs NoSQL), caching, and API design. Practice designing common systems like a URL shortener or a Twitter feed.
Phase 04 of 05
Week 5: Behavioral questions preparation using STAR method.
Week 5: Prepare for behavioral questions. Reflect on past experiences and prepare stories using the STAR method (Situation, Task, Action, Result) for common questions related to teamwork, problem-solving, and leadership.
Phase 05 of 05
Week 6: Company research and question preparation.
Week 6: Research Persistent Systems. Understand their mission, values, recent projects, and the specific role you are applying for. Prepare questions to ask the interviewer.
Questions
Locations
Fig · Regions — 02 locations
01 / 02Location
Interview focus
Common questions
Tips
Location
Interview focus
Common questions
Tips
Rounds
Expand a step for evaluation criteria, sample questions, and prep notes.
Data Structures And Algorithms Interview · 45 min · Technical Screener
This initial round focuses on assessing your fundamental programming skills. You will be asked to solve coding problems that test your knowledge of data structures and algorithms. The interviewer will evaluate your approach to problem-solving, your coding style, and your ability to explain your thought process.
What they look for
Evaluation
Sample questions
Given an array of integers, find the contiguous subarray with the largest sum.
Implement a binary search tree and its traversal methods (in-order, pre-order, post-order).
Prep for this round
Common rejection reasons
System Design Interview · 60 min · Senior Engineer / Architect
This round evaluates your ability to design and architect software systems. You will be presented with a high-level problem and asked to design a solution, considering factors like scalability, performance, reliability, and cost. This often involves discussing database choices, API design, caching strategies, and load balancing.
What they look for
Evaluation
Sample questions
Design a URL shortening service like Bitly.
Design a news feed system for a social media platform.
Prep for this round
Common rejection reasons
Behavioral Interview · 45 min · Hiring Manager
This round focuses on your behavioral aspects and cultural fit. You will be asked questions about your past experiences, how you handle challenges, your strengths and weaknesses, and your career aspirations. The goal is to understand how you work in a team and if you align with Persistent Systems' values.
What they look for
Evaluation
Sample questions
Tell me about a time you had to deal with a difficult colleague.
Describe a project where you took initiative and what was the outcome.
What are your career goals for the next 3-5 years?
Prep for this round
Common rejection reasons
DSA
Frequently reported on persistent systems loops
Other guides
