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      Senior Software Engineer Interview

      Mar 10, 2025
      Anonymous employee
      Accepted offer
      Neutral experience
      Average interview

      Application

      I interviewed at Luxoft

      Interview

      The interview process for a Senior Software Engineer at Luxoft typically consists of multiple stages designed to assess both technical proficiency and problem-solving abilities. HR Screening – A recruiter conducts an initial call to discuss your experience, skills, salary expectations, and availability. They may also provide insights into the role and company culture. Technical Interview – This stage involves coding challenges, algorithmic problems, and system design questions. You may be asked to solve problems using data structures, algorithms, and object-oriented programming in a live coding session or a take-home assignment. System Design Interview – Depending on the role, you may be asked to design a scalable system, focusing on architecture, database design, and performance optimization. Managerial/Behavioral Interview – A discussion with an engineering manager or project lead to evaluate team collaboration, leadership skills, and real-world problem-solving approaches. Final Interview (if applicable) – Some positions require a final round with senior management or clients to assess overall fit for the project and company. The entire process typically takes 2-4 weeks, depending on the role and project urgency.

      Interview questions [1]

      Question 1

      Two Sum: Given an array of integers, return indices of the two numbers that add up to a target. Merge Intervals: Given a set of overlapping intervals, merge them into non-overlapping ones. Longest Substring Without Repeating Characters: Find the length of the longest substring without repeating characters. Valid Anagram: Check if two strings are anagrams of each other.
      Answer question
      2

      Other Senior Software Engineer Interview Reviews for Luxoft

      Senior Software Developer Interview

      May 18, 2026
      Anonymous Interview Candidate
      No offer
      Neutral experience
      Average interview

      Application

      I applied online. I interviewed at Luxoft in May 2026

      Interview

      An easy coding exercise at the beginning followed by a bunch of mostly theoretical questions from the programming language, frameworks, databases, concepts like microservices. Unfortunately the interviewer was from another project and couldn't answer my questions about the role.

      Interview questions [1]

      Question 1

      You have an SQL query that is running slowly, what would you do to improve it?
      Answer question

      Senior Software Developer Interview

      Jun 22, 2026
      Anonymous Interview Candidate
      Toronto, ON
      No offer
      Positive experience
      Difficult interview

      Application

      I applied through a recruiter. I interviewed at Luxoft (Toronto, ON) in May 2026

      Interview

      The interview was for a contract role opportunity. It consisted of 3 rounds, one technical screening (45 mins), one managerial (30 mins) and one client round onsite (45 mins). Questions were based on Java, Python, SQL, Design Patterns, Microservices, AWS and one coding question. I cleared all the rounds but didn't get selected because of tough competition between me and the other candidate. The screening interviewer was quite friendly and tried to greet me in my language. The interviewers for client round were also friendly throughout the process and also dropped me back to the elevator area.

      Interview questions [3]

      Question 1

      Technical screening consisted of these questions: What is multithreading, Java vs Python multithreading, GIL in Python, Thread vs Virtual Thread, Future vs Completable Future, ForkJoinPool vs WorkStealingPool, Java vs Python decorators, Java visitors, Java try-with resource vs Python with, What is AutoClosable, Comparator vs Comparable, SQL rank vs denserank, Java IO vs NIO, AWS SQS vs SNS, whats Saga pattern and how to implement it, Anonymous inner classes vs invokedynamic, Hashcollision in hashmap vs concurrenthashmap, how to process regular vs binary file in Java, types of proxies in Java, coding question of detect if graph is in loop.
      Answer question

      Question 2

      Second round was managerial. Standard HR questions were asked. Tell me about yourself, what is sdlc and give an end-to-end example, how will you ramp yourself up in the first month, how did you deal with challenging scenarios.
      Answer question

      Question 3

      Third round was client round onsite. There were two interviewers who took me to the conference room. One guy told me to write code in SQL to find duplicates in a table and then write the same code in Java, then he asked me if I worked with microservices before and I said yes. The other guy asked me what was my project about, how I implemented security in it, what was the code coverage, did I work for production level issues.
      Answer question

      Senior Software Engineer Interview

      Apr 9, 2026
      Anonymous employee
      Kraków
      Accepted offer
      Positive experience
      Easy interview

      Application

      I interviewed at Luxoft (Kraków)

      Interview

      Easy 3 steps. First one with recruiter, second one technical and last one with manager. Each interview was conducted in friendly manner. Technical interview was question based, not leetcode style

      Interview questions [1]

      Question 1

      Various GPGPU related questions that align with my role
      Answer question