# L1 **Role:** Software Engineer · **Level:** Software Engineer **Company:** [Arcesium](https://scaleengineer.com/companies/arcesium) **Difficulty:** Medium **Salary:** US$80000 - US$120000 **Experience:** 0 - 3 **Timeline:** ~7 days This interview process is designed to assess candidates for a Software Engineer role at Arcesium, focusing on foundational technical skills and problem-solving abilities. Canonical: https://scaleengineer.com/interviews/arcesium/software-engineer-software-engineer --- ## Overall evaluation - Technical Skills - Behavioral Aspects ## Questions asked - Write a function to reverse a linked list. - Find the kth smallest element in a binary search tree. - Implement a basic LRU cache. - Explain the difference between a process and a thread. - Describe a situation where you had to deal with a difficult stakeholder. - What are your strengths and weaknesses as a software engineer? ## Preparation tips ### lists - Review fundamental data structures (arrays, linked lists, trees, graphs, hash maps) and algorithms (sorting, searching, graph traversal). - Practice coding problems on platforms like LeetCode, HackerRank, or GeeksforGeeks, focusing on medium-difficulty problems. - Understand basic object-oriented programming (OOP) concepts. - Brush up on your chosen programming language's syntax and standard libraries. - Prepare to discuss your past projects in detail, highlighting your contributions and the challenges you faced. - Research Arcesium's business, products, and company culture. - Prepare answers to common behavioral questions, using the STAR method (Situation, Task, Action, Result). ### studyPlan - {"title":"Data Structures","longDescription":"Weeks 1-2: Focus on Data Structures. Cover arrays, linked lists, stacks, queues, trees (binary trees, BSTs, AVL trees), heaps, and hash tables. Understand their time and space complexities for common operations. Practice problems related to each.","shortDescription":"Weeks 1-2: Data Structures (Arrays, Lists, Trees, Heaps, Hash Tables). Practice problems."} - {"title":"Algorithms","longDescription":"Weeks 3-4: Focus on Algorithms. Cover sorting algorithms (bubble, insertion, merge, quick), searching algorithms (binary search), graph traversal (BFS, DFS), dynamic programming, and greedy algorithms. Understand their applications and complexities. Solve problems involving these algorithms.","shortDescription":"Weeks 3-4: Algorithms (Sorting, Searching, BFS/DFS, DP, Greedy). Practice problems."} - {"title":"OOP & Language","longDescription":"Week 5: Object-Oriented Programming (OOP) and Language Fundamentals. Review OOP principles (encapsulation, inheritance, polymorphism, abstraction). Ensure a strong grasp of the syntax, features, and standard libraries of your primary programming language.","shortDescription":"Week 5: OOP Concepts and Language Proficiency."} - {"title":"Behavioral & Projects","longDescription":"Week 6: Behavioral Preparation and Project Review. Prepare answers for common behavioral questions using the STAR method. Review your resume and be ready to discuss your projects in depth, focusing on technical challenges and your role.","shortDescription":"Week 6: Behavioral Questions (STAR method) & Project Deep Dive."} - {"title":"Mock Interviews & Research","longDescription":"Week 7: Mock Interviews and Company Research. Conduct mock interviews to simulate the actual interview environment. Research Arcesium's products, values, and recent news to tailor your responses and ask informed questions.","shortDescription":"Week 7: Mock Interviews & Arcesium Research."} ## Location differences - {"location":"India","differences":{"tips":["Be prepared to explain your thought process clearly.","Practice coding on a whiteboard or a simple text editor.","Research Arcesium's tech stack and recent projects."],"interviewFocus":["Problem-solving skills","Understanding of core data structures and algorithms","Basic coding proficiency"],"commonQuestions":["Tell me about a challenging project you worked on.","How do you approach debugging a complex issue?","Describe a time you had to learn a new technology quickly."]}} - {"location":"USA","differences":{"tips":["Tailor your answers to Arcesium's values and mission.","Ask thoughtful questions about the role and the company.","Showcase your passion for software engineering."],"interviewFocus":["Communication and teamwork","Cultural fit","Motivation and enthusiasm"],"commonQuestions":["Can you walk me through your resume and highlight relevant experience?","How do you handle disagreements within a team?","What are your career aspirations?"]}} ## Round 1: Technical Coding Round **Type:** Technical Interview (Data Structures & Algorithms) · **Difficulty:** Medium · **Duration:** 45 min Coding round focusing on data structures and algorithms. This round focuses on assessing your core technical skills through coding challenges. You will be asked to solve 1-2 problems related to data structures and algorithms. The interviewer will evaluate your ability to understand the problem, devise an efficient solution, write clean code, and explain your reasoning. Expect questions that test your knowledge of arrays, strings, linked lists, trees, graphs, and common algorithms like sorting and searching. **Interviewers look for:** A systematic approach to problem-solving.; Clean, efficient, and correct code.; Understanding of trade-offs in different solutions.; Clear communication of thought process. **Evaluation criteria:** Correctness of the solution; Efficiency (time and space complexity); Code readability and maintainability; Problem-solving approach and logical thinking; Ability to communicate the solution **Common rejection reasons:** Inability to solve coding problems within the given time.; Poor understanding of fundamental data structures and algorithms.; Code that is inefficient, incorrect, or not well-structured.; Difficulty explaining their thought process. ## Questions - Given an array of integers, return indices of the two numbers such that they add up to a specific target. - Implement a function to check if a binary tree is a valid Binary Search Tree. ## Preparation tips - Practice coding on a whiteboard or a shared editor. - Think out loud and explain your approach before coding. - Consider edge cases and test your code mentally. - Be prepared to discuss time and space complexity. ## Round 2: Behavioral & Fit Round **Type:** Behavioral / Managerial Interview · **Difficulty:** Medium · **Duration:** 30 min Behavioral and situational questions to assess fit and experience. This round is a mix of behavioral and situational questions designed to understand your work style, how you handle challenges, and your potential fit within the team and Arcesium's culture. You'll be asked about past projects, teamwork experiences, and how you approach problem-solving in a professional setting. Be prepared to share specific examples using the STAR method. **Interviewers look for:** Honesty and self-awareness.; Ability to articulate experiences clearly.; Examples of collaboration and conflict resolution.; Genuine interest in Arcesium and the role. **Evaluation criteria:** Communication skills; Teamwork and collaboration abilities; Problem-solving approach in real-world scenarios; Cultural fit and alignment with company values; Motivation and career goals **Common rejection reasons:** Lack of clarity in explaining past experiences.; Inability to provide specific examples for behavioral questions.; Poor fit with Arcesium's company culture.; Lack of enthusiasm or interest in the role. ## Questions - Tell me about a time you faced a significant technical challenge and how you overcame it. - Describe a situation where you had a disagreement with a team member. How did you resolve it? ## Preparation tips - Prepare specific examples for common behavioral questions (e.g., teamwork, conflict resolution, handling failure). - Research Arcesium's values and mission. - Think about why you want to work at Arcesium. - Be ready to ask insightful questions about the team and the role.