Avito

Software Engineer

Software EngineerE2Medium to Hard

The Avito Software Engineer E2 interview process is designed to assess a candidate's technical proficiency, problem-solving abilities, and cultural fit within the company. It typically involves multiple rounds, including HR screening, technical interviews focusing on data structures, algorithms, and system design, and a final managerial interview to evaluate overall suitability and career aspirations.

Rounds

4

Timeline

~14 days

Experience

2 - 5 yrs

Salary Range

US$80000 - US$120000

Total Duration

195 min

Overall Evaluation Criteria

Technical Proficiency

Technical skills (coding, algorithms, data structures)
Problem-solving approach and analytical thinking
System design capabilities
Communication and collaboration skills
Cultural fit and alignment with Avito's values
Experience and past performance

Communication and Collaboration

Ability to articulate thought process clearly
Active listening and responsiveness to feedback
Constructive engagement with interviewers
Enthusiasm and interest in the role and company

Cultural Fit

Alignment with Avito's mission and values
Teamwork and ability to work effectively with others
Proactiveness and ownership
Adaptability and willingness to learn

Preparation Tips

1Review fundamental data structures and algorithms (arrays, linked lists, trees, graphs, sorting, searching).
2Practice coding problems on platforms like LeetCode, HackerRank, or Codewars, focusing on medium-difficulty problems.
3Study system design principles, common design patterns, and trade-offs for building scalable applications.
4Prepare to discuss your past projects in detail, highlighting your contributions and technical challenges.
5Understand Avito's products, services, and company culture.
6Practice behavioral questions using the STAR method (Situation, Task, Action, Result).
7Be ready to explain your thought process clearly and concisely during technical discussions.

Study Plan

1

Data Structures and Algorithms Fundamentals

Weeks 1-2: Data Structures & Basic Algorithms. Practice 5-7 problems/week.

Weeks 1-2: Focus on core data structures (Arrays, Linked Lists, Stacks, Queues, Hash Tables) and basic algorithms (Sorting, Searching, Recursion). Practice implementing these and solving problems related to them. Aim for 5-7 problems per week.

2

Advanced Data Structures and Algorithms

Weeks 3-4: Trees & Graphs. Practice 5-7 problems/week.

Weeks 3-4: Dive into more advanced data structures like Trees (Binary Trees, BSTs, Tries) and Graphs. Study graph traversal algorithms (BFS, DFS) and common graph problems. Continue practicing coding problems, increasing complexity.

3

System Design Basics

Weeks 5-6: System Design Fundamentals. Study scalability, databases, caching.

Weeks 5-6: Begin system design preparation. Study concepts like scalability, availability, reliability, databases (SQL vs. NoSQL), caching, load balancing, and message queues. Review common system design interview questions and practice designing simple systems.

4

Behavioral Preparation and Company Research

Weeks 7-8: Behavioral Questions & Company Research. Prepare STAR stories.

Weeks 7-8: Focus on behavioral questions and refining your resume. Prepare stories using the STAR method for common behavioral prompts (teamwork, conflict resolution, leadership, failures). Research Avito's values and prepare questions to ask the interviewer.

Commonly Asked Questions

Write a function to reverse a linked list.
Given an array of integers, find the contiguous subarray with the largest sum.
Design a system to handle real-time notifications for a web application.
Explain the concept of Big O notation and provide examples.
How would you optimize a slow database query?
Describe a situation where you disagreed with a team member and how you resolved it.
What are the advantages of using a NoSQL database over a SQL database in certain scenarios?
How do you approach testing your code?
Tell me about a time you failed and what you learned from it.
Design a rate limiter for an API.

Location-Based Differences

Moscow

Interview Focus

System design and scalability are often emphasized more in interviews for roles based in major tech hubs.Candidates in regions with a strong local tech community might be asked more about specific technologies prevalent in that area.Behavioral questions might be tailored to reflect local work culture and team dynamics.

Common Questions

How would you design a URL shortening service like bit.ly?

Explain the difference between SQL and NoSQL databases.

Describe a challenging technical problem you solved and how you approached it.

What are the trade-offs between microservices and a monolithic architecture?

How do you ensure code quality and maintainability?

Tips

Research the specific tech stack commonly used at Avito's office in your location.
Understand the local market trends and how they might influence Avito's engineering practices.
Network with Avito engineers in your region to gain insights into the interview process.

Saint Petersburg

Interview Focus

Emphasis on distributed systems and cloud-native technologies.Problem-solving skills related to large-scale data processing.Collaboration and teamwork are often highlighted.

Common Questions

Design an API for a social media feed.

How would you implement a caching mechanism for a web application?

Discuss your experience with cloud platforms like AWS or Azure.

What are your strategies for debugging complex issues?

Tell me about a time you had to mentor a junior engineer.

Tips

Familiarize yourself with Avito's use of cloud infrastructure.
Prepare examples of your contributions to team projects and collaborative efforts.
Understand Avito's approach to agile development methodologies.

Process Timeline

1
HR Screening30m
2
Technical Interview - Coding60m
3
Technical Interview - System Design60m
4
Managerial Interview45m

Interview Rounds

4-step process with detailed breakdown for each round

1

HR Screening

An initial conversation with HR to assess basic fit, motivation, and logistics.

HR ScreeningEasy
30 minHR Recruiter

The initial HR screening is a brief conversation to assess your overall fit with Avito, understand your career aspirations, and confirm your interest in the Software Engineer role. They will also cover logistical aspects like salary expectations and availability. This round is crucial for making a good first impression.

What Interviewers Look For

Enthusiasm for the role and AvitoClear communicationBasic understanding of software engineering principlesProfessionalism

Evaluation Criteria

Basic understanding of the role and company
Communication skills
Motivation and interest
Alignment with basic Avito values

Questions Asked

Tell me about yourself and your background.

BehavioralIntroduction

Why are you interested in Avito and this specific role?

BehavioralMotivation

What are your salary expectations?

LogisticsCompensation

What are your strengths and weaknesses?

Behavioral

Where do you see yourself in 5 years?

BehavioralCareer Goals

Preparation Tips

1Research Avito's mission, values, and recent news.
2Prepare a concise summary of your experience and why you're interested in Avito.
3Think about your career goals and how this role aligns with them.
4Be ready to discuss your salary expectations.
5Prepare a few questions to ask the recruiter about the role or company culture.

Common Reasons for Rejection

Poor communication skills
Lack of enthusiasm or interest
Unprofessional demeanor
Inability to articulate career goals
2

Technical Interview - Coding

A coding challenge focusing on data structures and algorithms.

Technical Interview (Coding)Medium
60 minSoftware Engineer (Peer)

This technical interview focuses on your core programming skills. You'll be asked to solve coding problems, typically involving data structures and algorithms. The interviewer will assess your ability to write clean, efficient code and explain your thought process clearly. Expect questions on arrays, strings, linked lists, trees, graphs, sorting, and searching.

What Interviewers Look For

Correct and efficient codeUnderstanding of algorithmic conceptsAbility to break down problemsClear explanation of logicConsideration of edge cases and constraints

Evaluation Criteria

Proficiency in data structures and algorithms
Coding ability and clean code practices
Problem-solving skills
Ability to analyze time and space complexity
Clear communication of approach

Questions Asked

Given a binary tree, find its inorder traversal.

Data StructuresTreesRecursion

Implement a function to find the kth smallest element in an unsorted array.

AlgorithmsArraysSorting

Write a function to check if a string is a palindrome, ignoring non-alphanumeric characters.

StringsAlgorithms

Given two sorted arrays, merge them into a single sorted array.

ArraysAlgorithms

Find the first non-repeating character in a string.

StringsHash Tables

Preparation Tips

1Practice coding problems on platforms like LeetCode, focusing on medium difficulty.
2Review common data structures and algorithms.
3Practice explaining your code and thought process out loud.
4Be prepared to discuss time and space complexity (Big O notation).
5Write clean, well-structured code.

Common Reasons for Rejection

Inability to solve coding problems efficiently
Poor understanding of fundamental data structures and algorithms
Difficulty explaining thought process
Incorrect or inefficient solutions
Lack of attention to edge cases
3

Technical Interview - System Design

Assesses your ability to design scalable and robust software systems.

Technical Interview (System Design)Hard
60 minSenior Software Engineer / Architect

This round evaluates your ability to design and architect scalable and reliable software systems. You'll be presented with a high-level problem (e.g., design Twitter's feed, design a URL shortener) and expected to discuss various components, data models, APIs, and trade-offs. Focus on clarity, scalability, and robustness.

What Interviewers Look For

A structured approach to system designUnderstanding of core components (databases, caching, load balancers, APIs)Ability to discuss trade-offsConsideration of scale, performance, and reliabilityClear communication of design choices

Evaluation Criteria

System design skills
Understanding of scalability, reliability, and availability
Ability to make informed trade-offs
Knowledge of distributed systems concepts
Problem decomposition and solution structuring

Questions Asked

Design a system like TinyURL.

System DesignScalabilityDatabases

How would you design a news feed for a social media platform?

System DesignScalabilityAPIs

Design a distributed cache system.

System DesignDistributed SystemsCaching

How would you design an API rate limiter?

System DesignAPIsScalability

Design a system to store and retrieve user sessions.

System DesignDatabasesScalability

Preparation Tips

1Study system design concepts: databases, caching, load balancing, message queues, APIs.
2Review common system design interview questions and case studies.
3Practice designing systems from scratch, considering different requirements.
4Be prepared to discuss trade-offs between different design choices.
5Think about scalability, availability, and fault tolerance.

Common Reasons for Rejection

Lack of understanding of system design principles
Inability to handle scale and performance considerations
Poor trade-off analysis
Difficulty in designing robust and scalable systems
Not considering failure scenarios
4

Managerial Interview

Focuses on behavioral aspects, teamwork, and cultural fit with the hiring manager.

Managerial / Behavioral InterviewMedium
45 minHiring Manager

The final round is typically with the hiring manager. This interview focuses on your behavioral aspects, career goals, and overall fit within the team and Avito's culture. They will want to understand how you work, your motivations, and how you can contribute to the team's success. Be prepared to discuss your past experiences and how they relate to the role.

What Interviewers Look For

How you handle challenges and collaborateYour approach to teamwork and conflict resolutionYour motivation and career growth aspirationsCultural alignment with AvitoPotential for growth within the company

Evaluation Criteria

Teamwork and collaboration skills
Problem-solving approach in a team context
Leadership potential
Adaptability and learning mindset
Alignment with Avito's culture and values

Questions Asked

Tell me about a time you had a conflict with a colleague and how you resolved it.

BehavioralTeamworkConflict Resolution

Describe a challenging project you worked on and your role in its success.

BehavioralProject ExperienceProblem Solving

How do you stay updated with new technologies?

BehavioralLearningAdaptability

What motivates you in a work environment?

BehavioralMotivation

How do you handle constructive criticism?

BehavioralFeedback

Preparation Tips

1Reflect on your past projects and team experiences.
2Prepare examples using the STAR method for behavioral questions.
3Think about your career goals and how this role fits into them.
4Research Avito's company culture and values.
5Prepare thoughtful questions to ask the hiring manager.

Common Reasons for Rejection

Poor cultural fit
Lack of alignment with team goals
Negative attitude towards past experiences
Inability to demonstrate collaboration or leadership potential
Unrealistic career expectations

Commonly Asked DSA Questions

Frequently asked coding questions at Avito

View all
Two SumEASYAdd Two NumbersMEDIUMGenerate ParenthesesMEDIUMMerge Sorted ArrayEASYKth Largest Element in an ArrayMEDIUMTop K Frequent ElementsMEDIUMAdd StringsEASYSum of Subarray MinimumsMEDIUMAdd to Array-Form of IntegerEASY