# Software Engineer II
**Role:** Software Engineer · **Level:** Grade 10
**Company:** [NCR](https://scaleengineer.com/companies/ncr)
**Difficulty:** Medium to Hard
**Salary:** US$95000 - US$130000
**Experience:** 2 - 5
**Timeline:** ~14 days
This interview process is for a Software Engineer II (Grade 10) position at NCR. It is designed to assess a candidate's technical proficiency, problem-solving skills, and cultural fit within the organization. The process typically involves multiple rounds, starting with an initial screening and progressing to in-depth technical and behavioral assessments.
Canonical: https://scaleengineer.com/interviews/ncr/grade-10-software-engineer
---
## Overall evaluation

- Technical Skills
- Communication and Collaboration
- Cultural Fit and Motivation

## Questions asked

- Tell me about yourself.
- Why are you interested in this role at NCR?
- Describe a complex technical problem you solved.
- How do you handle tight deadlines?
- What are your strengths and weaknesses?
- Design a system for [specific problem, e.g., a ride-sharing service, a social media feed].
- Write code to solve [specific algorithmic problem].
- Explain the difference between TCP and UDP.
- How would you test a login functionality?
- What are your thoughts on continuous integration and continuous deployment (CI/CD)?
- Describe a time you failed and what you learned from it.
- How do you stay updated with new technologies?

## Preparation tips

### lists

- Review fundamental computer science concepts (Data Structures, Algorithms, Operating Systems, Databases).
- Practice coding problems on platforms like LeetCode, HackerRank, or AlgoExpert, focusing on medium to hard difficulty.
- Study system design principles and common design patterns. Resources like 'Grokking the System Design Interview' are helpful.
- Prepare for behavioral questions using the STAR method (Situation, Task, Action, Result). Think about past projects and challenges.
- Research NCR's products, services, and company culture.
- Understand the specific technologies mentioned in the job description.
- Prepare questions to ask the interviewer about the role, team, and company.

### studyPlan

- {"title":"Data Structures and Algorithms","longDescription":"Weeks 1-2: Focus on Data Structures (Arrays, Linked Lists, Stacks, Queues, Trees, Graphs, Hash Tables) and Algorithms (Sorting, Searching, Dynamic Programming, Greedy Algorithms). Practice implementing these and analyzing their time and space complexity. Aim for 2-3 coding problems per day.","shortDescription":"Weeks 1-2: Data Structures & Algorithms (DSA) fundamentals. Practice 2-3 problems daily."}
- {"title":"System Design","longDescription":"Weeks 3-4: Dive into System Design. Understand concepts like scalability, availability, reliability, load balancing, caching, databases (SQL vs. NoSQL), and message queues. Work through common system design case studies.","shortDescription":"Weeks 3-4: System Design principles and case studies."}
- {"title":"Behavioral and OOP","longDescription":"Week 5: Prepare for Behavioral and Situational questions. Reflect on past experiences related to teamwork, problem-solving, conflict resolution, and leadership. Use the STAR method to structure your answers. Also, review Object-Oriented Programming (OOP) concepts and design patterns.","shortDescription":"Week 5: Behavioral questions (STAR method) and OOP concepts."}
- {"title":"Final Preparation and Mock Interviews","longDescription":"Week 6: Mock interviews and final review. Practice coding and system design problems under timed conditions. Refine your answers to behavioral questions. Research NCR thoroughly and prepare insightful questions for the interviewers.","shortDescription":"Week 6: Mock interviews, final review, and company research."}

## Location differences

- {"location":"United States","differences":{"tips":["For US-based interviews, be prepared for more emphasis on behavioral questions and STAR method responses.","For India-based interviews, expect a stronger focus on data structures, algorithms, and coding challenges.","Familiarize yourself with common cloud platforms (AWS, Azure, GCP) if the role requires it.","Practice explaining your thought process clearly, especially during coding and system design rounds."],"interviewFocus":["System Design for Scalability and Reliability","Deep Dive into Core Java/Python/C++ Concepts","Problem-Solving and Algorithmic Thinking","Behavioral aspects related to teamwork and communication"],"commonQuestions":["How would you design a system to handle real-time stock price updates for a global financial market?","Describe a challenging bug you encountered and how you debugged it.","Tell me about a time you had to work with a difficult stakeholder. How did you manage the situation?","What are your thoughts on microservices vs. monolithic architectures?","How do you ensure code quality and maintainability in a large project?"]}}
- {"location":"Europe","differences":{"tips":["For European interviews, expect a blend of technical and behavioral questions, with a focus on practical application of concepts.","Be ready to discuss your experience with specific technologies relevant to the job description.","Highlight any contributions to open-source projects or personal coding projects.","Understand the company's products and services to tailor your answers."],"interviewFocus":["Data Structures and Algorithms","Object-Oriented Design","Database Concepts (SQL/NoSQL)","Web Technologies and Frameworks (if applicable)","Problem-solving under pressure"],"commonQuestions":["How would you design a scalable e-commerce platform?","Explain the SOLID principles and provide examples.","Describe your experience with Agile methodologies.","What are the trade-offs between SQL and NoSQL databases?","How do you approach performance optimization in a web application?"]}}
- {"location":"Asia-Pacific","differences":{"tips":["For APAC-based interviews, a strong emphasis on foundational computer science concepts and coding is common.","Be prepared to explain your solutions in detail and discuss alternative approaches.","Research NCR's presence and impact in the APAC region.","Show enthusiasm for learning and adapting to new technologies."],"interviewFocus":["Core Computer Science Fundamentals","Coding Proficiency (Data Structures & Algorithms)","System Design Fundamentals","Behavioral and Situational Judgment","Understanding of NCR's business domain"],"commonQuestions":["Design a URL shortening service.","What is the difference between a process and a thread?","How would you optimize a slow database query?","Tell me about a time you disagreed with your manager.","What are your career goals for the next 3-5 years?"]}}

## Round 1: Initial Screening
**Type:** Recruiter/Technical Screening · **Difficulty:** Medium · **Duration:** 45 min
Initial screening to assess basic qualifications and communication skills. May include a simple coding question.
This initial round is typically a phone screen or a video call with a recruiter or a junior engineer. It focuses on verifying basic qualifications, understanding your career goals, and assessing your communication skills. You might be asked a few high-level technical questions or a simple coding problem to gauge your fundamental understanding.
**Interviewers look for:** Logical thinking; Ability to translate requirements into code; Understanding of algorithmic complexity; Clean and well-structured code
**Evaluation criteria:** Correctness of the solution; Efficiency (Time and Space Complexity); Code readability and maintainability; Problem-solving approach; Communication of the solution
**Common rejection reasons:** Inability to articulate thought process; Poor coding practices (e.g., inefficient solutions, lack of error handling); Fundamental misunderstanding of data structures or algorithms; Inability to solve the given coding problem within the time limit
## Questions

- Walk me through your resume.
- Tell me about a project you are particularly proud of.
- Given an array of integers, find the maximum sum of any contiguous subarray.

## Preparation tips

- Be ready to briefly summarize your resume and experience.
- Practice explaining your projects clearly.
- Review basic data structures and algorithms.
- Prepare a few questions to ask the interviewer.

## Round 2: System Design
**Type:** System Design Interview · **Difficulty:** Hard · **Duration:** 60 min
Assess ability to design scalable and reliable systems. Focus on architecture, trade-offs, and components.
This round focuses on your ability to design complex systems. You will be presented with an open-ended problem (e.g., designing a URL shortener, a Twitter feed, or a rate limiter) and expected to discuss various components, data models, APIs, and trade-offs. The interviewer will probe your design choices and assess your understanding of scalability, performance, and reliability.
**Interviewers look for:** Ability to think at a high level; Knowledge of distributed systems concepts; Experience with various architectural patterns; Pragmatic approach to problem-solving
**Evaluation criteria:** Scalability of the proposed solution; Reliability and fault tolerance; Clarity and justification of design choices; Understanding of trade-offs; Ability to handle ambiguity and constraints
**Common rejection reasons:** Inability to design a scalable and robust system; Lack of understanding of trade-offs in design decisions; Poor handling of edge cases and failure scenarios; Inability to communicate design effectively
## Questions

- Design a system like TinyURL.
- How would you design a news feed for a social media platform?
- Design a rate limiter for an API.

## Preparation tips

- Study common system design patterns and architectures.
- Practice designing various types of systems.
- Be prepared to discuss databases, caching strategies, load balancing, and message queues.
- Clearly articulate your assumptions and constraints.

## Round 3: Technical Deep Dive
**Type:** Technical Interview · **Difficulty:** Medium to Hard · **Duration:** 60 min
In-depth technical questions, coding challenges, and discussion of core CS concepts and OOP.
This round involves in-depth technical questions and coding exercises. You'll likely be asked to solve 1-2 coding problems, explain concepts related to your primary programming language (e.g., Java, Python, C++), discuss object-oriented design, and potentially answer questions about databases, operating systems, or networking depending on the role's requirements.
**Interviewers look for:** Strong coding skills; Understanding of software design principles; Ability to apply theoretical knowledge to practical problems; Attention to detail
**Evaluation criteria:** Proficiency in chosen programming language(s); Understanding of Object-Oriented Programming (OOP) concepts; Knowledge of algorithms and data structures; Ability to write clean, efficient, and testable code; Debugging skills
**Common rejection reasons:** Lack of depth in core technical areas; Inability to solve moderately complex coding problems; Poor understanding of object-oriented design principles; Not demonstrating sufficient knowledge of relevant technologies
## Questions

- Implement a function to reverse a linked list.
- Explain the difference between an abstract class and an interface.
- Write a function to find the k-th smallest element in an unsorted array.
- What is a deadlock and how can it be prevented?

## Preparation tips

- Master your primary programming language.
- Review OOP concepts (Encapsulation, Inheritance, Polymorphism, Abstraction).
- Practice coding problems focusing on efficiency and edge cases.
- Be prepared to explain your code and the reasoning behind your choices.

## Round 4: Hiring Manager Interview
**Type:** Behavioral / Manager Interview · **Difficulty:** Medium · **Duration:** 45 min
Focuses on behavioral aspects, teamwork, cultural fit, and career aspirations with the hiring manager.
This round is with the hiring manager or a senior member of the team. It focuses on your behavioral competencies, teamwork abilities, and overall fit within the team and company culture. You'll be asked questions about your past experiences, how you handle challenges, your strengths and weaknesses, and your career goals. This is also an opportunity for you to ask more in-depth questions about the team and the projects.
**Interviewers look for:** Positive attitude; Good communication skills; Team player mentality; Alignment with company culture; Passion for the role and technology
**Evaluation criteria:** Alignment with NCR's values; Teamwork and collaboration skills; Problem-solving approach in non-technical contexts; Communication and interpersonal skills; Motivation and career aspirations
**Common rejection reasons:** Poor cultural fit; Lack of enthusiasm or motivation; Inability to provide specific examples for behavioral questions; Negative attitude towards past experiences or colleagues
## Questions

- Tell me about a time you had a conflict with a team member and how you resolved it.
- How do you prioritize your work when you have multiple competing tasks?
- What are your long-term career goals?
- Why are you looking to leave your current role?

## Preparation tips

- Prepare specific examples using the STAR method for common behavioral questions.
- Think about why you want to work at NCR and for this specific team.
- Be ready to discuss your career goals and how this role fits into them.
- Show enthusiasm and genuine interest.
