I am a retired ACMer, a silver medalist in the icpc regional competition, a gold medal in the provincial competition, a national first in the Blue Bridge Cup, a national first in the ladder competition, excellent algorithmic ability, Ac included, no fee for no Ac,Hackerrank,Codesignal,Topcoder All can be passed with high scores. Based on years of experience in competitions and interview assistance, I have compiled the entire Amazon interview process, hoping to be helpful to friends who are concerned about Amazon’s one-third-acre experience.
Amazon OA interview analysis
Amazon's OA (Online Assessment) Generally divided into three parts:
1. Coding
- Time: 70 minutes, 2 questions
- Difficulty: Above average
- Strategy: It is recommended to give priority to ensuring that you get a solid score for the first question, and then sprint for the second question; allocate time reasonably to maintain the rhythm.
- Inspection content: Typical data structures and algorithm capabilities, such as arrays, linked lists, trees, graphs, dynamic programming, etc.
2. Work Simulation
- Type: Situational Judgment Test (SJT)
- Core idea: Customer needs first > Deadline
- Question examples: Task conflict handling, cross-group collaboration, customer feedback, temporary changes in requirements
- Answer suggestions: Choose the “most effective” and “least effective” response strategies for each question, highlighting user priority and team collaboration.
3. Work Style
- Type:Personality test
- Answering skills: Just choose according to your actual situation, and try to show your positive attitude and teamwork ability.
After the OA is passed, HR will make an appointment for a VO (Virtual Onsite) interview via email.
Amazon VO interview analysis
Amazon VO is usually divided into three parts: coding, system design, and leadership principles (Leadership Principles).
1. Encoding
- Number of questions: 2 channels
- Difficulty: The first question is similar to the LeetCode simple question, and the best solution to the second question is in the medium range.
- Strategy: Try to complete the round as quickly as possible, keep your thinking clear, and use pseudocode to organize the logic first if necessary.
2. System design
- Question type: Multiple choice questions or small design questions
- Difficulty:medium
- Focus of inspection: Fundamentals of large-scale system design, scalability, reliability, and performance tradeoffs
3. Leadership principles
- Question type: behavioral interviewing
- Answer suggestions: Just choose your personal preference, there is no right or wrong, focus on showing your thinking and decision-making logic
- Frequently asked questions: Project conflict resolution, cross-team collaboration, reflection on failure, etc.
Amazon Interview FAQs (Frequently Asked Questions)
Q1: Is Amazon OA difficult?
A1: The difficulty is medium to high, but the focus is on a solid foundation and clear thinking. The most important thing is to secure points for the first question, and you can sprint for the second question. Refer to the Amazon interview guide of "One Third of an Acre" to understand the actual question types and time allocation.
Q2: What is the appropriate answer for Work Simulation?
A2: The core is customer demand priority > deadline. When dealing with task conflicts and cross-group collaboration, it is often more appropriate to choose a strategy that focuses more on user needs.
Q3: Do you need to answer the Work Style personality test deliberately?
A3: No need to be deliberate, just reflect your positive attitude and teamwork tendency, and try to truly reflect your work style.
Q4: How difficult are the VO coding questions?
A4: The first question is similar to a simple LeetCode question, and the second question is in a medium range, focusing on writing clear logic and efficient solutions. Practicing similar question types in advance can improve your passing rate.
Q5: How to prepare for system design questions?
A5: Mainly examine the basics of large-scale system design, focusing on scalability, reliability and performance trade-offs. Just understand common design patterns and distributed systems knowledge.
Q6: What are the techniques for leadership principle questions?
A6: There is no standard answer to behavioral questions. It is recommended to use the STAR model to organize your answers and highlight the decisions, actions and results you made in the project. Refer to Amazon's interview experience to learn from other people's experiences to get started faster.
Q7: Can I improve my success rate through interview assistance services?
A7: Yes, through professional OA/VO assistance, you can optimize your ideas, improve communication and expression, allocate time reasonably, and quickly master the Amazon interview rhythm.
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