Software Engineer

Software EngineerE4Medium to Hard

This interview process is designed to assess candidates for the Software Engineer (E4) role at Avito. It evaluates technical skills, problem-solving abilities, system design knowledge, and cultural fit.

Rounds·3

Timeline·~10d

Experience·4 - 7 yrs

Comp band·US$110000 - US$150000

Interview time·150 min

Evaluation

What they measure.

  • Problem-solving skills
  • Algorithmic thinking
  • Data structures knowledge
  • Code quality and efficiency

Preparation

How to prepare.

Tips

  1. Review fundamental data structures and algorithms.
  2. Practice coding problems on platforms like LeetCode, HackerRank, or Codewars.
  3. Study common system design patterns and principles.
  4. Prepare examples for behavioral questions using the STAR method (Situation, Task, Action, Result).
  5. Research Avito's products, services, and engineering blog.
  6. Understand Avito's company culture and values.

Study plan

Fig · Study plan — 04 phases

01 / 04
01

Phase 01 of 04

Data Structures and Algorithms

Weeks 1-2: Data Structures & Algorithms fundamentals. Practice problems.

Weeks 1-2: Focus on core data structures (Arrays, Linked Lists, Stacks, Queues, Trees, Graphs, Hash Tables) and algorithms (Sorting, Searching, Dynamic Programming, Greedy Algorithms). Practice problems related to these topics, aiming for optimal time and space complexity.

Questions

Commonly asked.

  • Given an array of integers, find the contiguous subarray with the largest sum.
  • Design a URL shortening service like bit.ly.
  • How would you design a system to handle real-time notifications for a social media platform?
  • Tell me about a time you disagreed with a technical decision and how you handled it.
  • What are the trade-offs between using a relational database and a NoSQL database for a user profile service?
  • Explain the concept of eventual consistency.
  • How do you approach testing your code?
  • Describe a situation where you had to deal with a production issue under pressure.

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

Moscow

Interview focus

Understanding of local market trends and user behavior.Familiarity with specific technologies prevalent in the region.Ability to adapt solutions to local infrastructure and regulatory environments.

Common questions

  • How would you optimize a database query for a high-traffic e-commerce platform?
  • Describe a challenging bug you encountered and how you debugged it.
  • What are your thoughts on microservices vs. monolithic architectures for a platform like Avito?
  • How do you ensure code quality and maintainability in a large team?
  • Tell me about a time you had to mentor a junior engineer.

Tips

  • Research Avito's presence and operations in your specific region.
  • Be prepared to discuss how your experience aligns with local business needs.
  • Highlight any experience with localization or internationalization if applicable.

Rounds

Round-by-round.

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

Med

Data Structures And Algorithms Interview · 45 min · Software Engineer (Peer)

This round focuses on your core programming skills. You will be asked to solve one or two coding problems, typically involving data structures and algorithms. The interviewer will assess your ability to write clean, efficient, and correct code, as well as your problem-solving approach and communication skills.

What they look for

Strong understanding of fundamental data structures and algorithms.Ability to translate a problem into a working code solution.Logical thinking and problem-solving skills.Attention to detail and edge case handling.

Evaluation

  • Correctness of the solution
  • Efficiency of the solution (time and space complexity)
  • Clarity and organization of the code
  • Ability to explain the approach and reasoning

Sample questions

  • Given a binary tree, find its inorder traversal.

    TreeRecursionIteration
  • Find the kth smallest element in a sorted matrix.

    MatrixBinary SearchHeap

Prep for this round

  1. 01Practice coding problems on platforms like LeetCode, focusing on medium-difficulty questions.
  2. 02Be comfortable explaining your thought process step-by-step.
  3. 03Practice writing code on a whiteboard or in a shared editor without relying on IDE features like auto-completion.
  4. 04Review common algorithms and data structures.

Common rejection reasons

  • ×Inability to articulate thought process clearly.
  • ×Suboptimal algorithmic solutions.
  • ×Poor time or space complexity.
  • ×Failure to handle edge cases.

DSA

Coding questions at Avito.

Frequently reported on Avito loops

Other guides

More at Avito.