# Software Engineer **Role:** Software Engineer · **Level:** Software Engineer II **Company:** [Garmin](https://scaleengineer.com/companies/garmin) **Difficulty:** Medium to Hard **Salary:** US$95000 - US$130000 **Experience:** 2 - 5 **Timeline:** ~14 days This interview process is for a Software Engineer II position at Garmin. It is designed to assess a candidate's technical skills, problem-solving abilities, and cultural fit within the company. Canonical: https://scaleengineer.com/interviews/garmin/software-engineer-ii-software-engineer --- ## Overall evaluation - Technical Skills - Communication and Behavioral ## Questions asked - Write a function to reverse a linked list. - Design a URL shortening service. - Tell me about a time you disagreed with a teammate and how you resolved it. - Explain the difference between a process and a thread. - How would you optimize a slow database query? - Describe a challenging bug you encountered and how you debugged it. - What are your strengths and weaknesses as a software engineer? - How do you approach learning a new technology? - Design a system to handle real-time notifications. - Tell me about a project you are particularly proud of. ## Preparation tips ### lists - Review fundamental data structures and algorithms. - Practice coding problems on platforms like LeetCode, HackerRank, or similar. - Understand object-oriented programming principles. - Brush up on system design concepts, especially for mid-level roles. - Prepare for behavioral questions using the STAR method (Situation, Task, Action, Result). - Research Garmin's products, mission, and values. - Understand the specific technologies mentioned in the job description. - Prepare questions to ask the interviewer about the role, team, and company culture. ### studyPlan - {"title":"Data Structures and Algorithms","longDescription":"Weeks 1-2: Focus on core data structures (arrays, linked lists, trees, graphs, hash maps) and algorithms (sorting, searching, dynamic programming, recursion). Practice implementing these from scratch and analyze their time and space complexity. Cover common coding patterns.","shortDescription":"Weeks 1-2: Data Structures & Algorithms fundamentals. Practice coding."} - {"title":"System Design","longDescription":"Weeks 3-4: Dive into system design principles. Study topics like scalability, availability, reliability, databases (SQL vs. NoSQL), caching, load balancing, and API design. Work through common system design interview problems.","shortDescription":"Weeks 3-4: System Design concepts and practice."} - {"title":"Behavioral Preparation","longDescription":"Week 5: Prepare for behavioral questions. Reflect on past experiences related to teamwork, problem-solving, leadership, conflict resolution, and handling failure. Structure your answers using the STAR method.","shortDescription":"Week 5: Behavioral questions preparation using STAR method."} - {"title":"Company Research and Questions","longDescription":"Week 6: Research Garmin specifically. Understand their product portfolio (aviation, automotive, marine, outdoor, fitness), recent news, and company culture. Prepare thoughtful questions to ask the interviewers.","shortDescription":"Week 6: Garmin research and question preparation."} ## Location differences - {"location":"Olathe, KS","differences":{"tips":["Research Garmin's latest products and innovations.","Be prepared to discuss how your skills align with Garmin's business areas.","Highlight any experience with hardware-software integration if applicable."],"interviewFocus":["Understanding of Garmin's specific product lines and technologies.","Ability to adapt to Garmin's engineering culture and processes.","Experience with embedded systems or relevant Garmin technologies (e.g., GPS, avionics, wearables)."],"commonQuestions":["Describe a challenging project you worked on at Garmin.","How do you handle conflicting priorities in a team environment?","What are your thoughts on Garmin's approach to product development?","Tell me about a time you had to mentor a junior engineer."]}} - {"location":"Remote/Other Locations","differences":{"tips":["Familiarize yourself with cloud platforms (AWS, Azure, GCP) if relevant to the role.","Be ready to discuss your experience with CI/CD pipelines.","Emphasize your ability to work effectively in a team, regardless of location."],"interviewFocus":["Proficiency in cloud technologies and distributed systems.","Experience with large-scale software development and deployment.","Collaboration and communication skills in a remote or hybrid work setting."],"commonQuestions":["How would you contribute to our agile development process?","Describe a time you had to debug a complex issue in a distributed system.","What are your favorite tools for collaboration and version control?","How do you stay updated with the latest software development trends?"]}} ## Round 1: Data Structures and Algorithms Round **Type:** Technical Screening (Coding) · **Difficulty:** Medium · **Duration:** 45 min Coding challenge focused on data structures and algorithms. This round focuses on assessing your core programming skills and problem-solving abilities. You will be asked to solve one or two coding problems, typically involving data structures and algorithms. The interviewer will evaluate your approach, the efficiency of your solution, and the clarity of your code. **Interviewers look for:** A clear and logical approach to problem-solving.; Ability to write clean, efficient, and correct code.; Understanding of time and space complexity.; Good communication skills to explain their thought process. **Evaluation criteria:** Correctness of the solution; Efficiency of the solution (time and space complexity); Code quality and readability; Problem-solving approach; Communication of the solution **Common rejection reasons:** Inability to articulate thought process clearly.; Poor understanding of fundamental data structures and algorithms.; Difficulty in solving coding problems within the given time.; Lack of clarity in system design explanations. ## Questions - Given an array of integers, find the contiguous subarray with the largest sum. - Implement a function to check if a binary tree is a valid Binary Search Tree. - Find the kth smallest element in a sorted matrix. ## Preparation tips - Practice coding problems on platforms like LeetCode. - Focus on understanding the underlying data structures and algorithms. - Be prepared to explain your thought process step-by-step. - Write clean, well-commented code. - Test your code with edge cases. ## Round 2: System Design Round **Type:** System Design · **Difficulty:** Hard · **Duration:** 60 min Design a scalable software system. This round assesses your ability to design and architect software systems. You will be given an open-ended problem (e.g., design Twitter, design a ride-sharing service) and expected to propose a scalable, reliable, and maintainable solution. The focus is on your understanding of system components, trade-offs, and ability to handle scale. **Interviewers look for:** Ability to design complex systems from scratch.; Understanding of distributed systems principles.; Knowledge of various system components and their trade-offs.; Ability to handle ambiguity and make reasoned design choices. **Evaluation criteria:** Scalability of the design; Reliability and fault tolerance; Clarity and completeness of the design; Trade-off analysis; Understanding of system components (databases, caching, load balancers, etc.) **Common rejection reasons:** Inability to design scalable and reliable systems.; Lack of understanding of distributed systems concepts.; Poor trade-off analysis in design decisions.; Not considering failure scenarios or edge cases. ## Questions - Design a system like Google Maps. - Design a rate limiter. - Design a distributed cache system. ## Preparation tips - Study common system design patterns and architectures. - Practice designing various types of systems. - Understand concepts like CAP theorem, eventual consistency, and database sharding. - Be prepared to discuss trade-offs for different design choices. - Think about scalability, availability, and performance. ## Round 3: Behavioral Interview **Type:** Behavioral and Managerial Interview · **Difficulty:** Medium · **Duration:** 45 min Behavioral questions to assess teamwork, problem-solving, and cultural fit. This round focuses on your behavioral and situational responses. The interviewer will ask questions about your past experiences to understand how you handle various work scenarios, such as teamwork, conflict resolution, leadership, and dealing with failure. They will also assess your motivation and cultural fit. **Interviewers look for:** Evidence of teamwork and collaboration.; Ability to handle challenging situations and learn from mistakes.; Alignment with Garmin's values (e.g., integrity, innovation, teamwork).; Enthusiasm for the role and the company. **Evaluation criteria:** Teamwork and collaboration skills; Problem-solving approach in past experiences; Adaptability and learning agility; Motivation and career goals; Cultural fit with Garmin **Common rejection reasons:** Poor communication or interpersonal skills.; Lack of alignment with company values.; Inability to provide specific examples for behavioral questions.; Negative attitude or lack of enthusiasm. ## Questions - Tell me about a time you failed and what you learned from it. - Describe a situation where you had to work with a difficult colleague. - How do you prioritize your work when you have multiple competing deadlines? ## Preparation tips - Prepare examples using the STAR method for common behavioral questions. - Reflect on your strengths, weaknesses, and career aspirations. - Understand Garmin's company culture and values. - Be honest and authentic in your responses. - Show enthusiasm for the role and the company.