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Customer satisfaction is the only measure of a team engineer's ability to stay on the team, and team bulls don't bother copying code. Every interview is hands-on, and our students are all over Google, Meta, Amazon and other tech companies. They have realized their career dreams through our professional interview assistance and coaching services.
Coding Cases
Coding assist us to give detailed tips, including Clarify Question, Follow up Question, Dry run, code key content comments, which can be verbatim, and can be provided in English and Chinese. Code Case Detailed Reference
System Design Cases
System Design we will give the following supporting hints, strictly follow the standard System Design process to answer the questions. System Design Case Detailed Reference
Clarification Questions
- List the most central clarifying questions of the system, centered around the points of greatest concern to the interviewer
- Identify the 3-4 most important Functional Requirements based on discussions with the interviewer.
- Identify 3 Non-Functional Requirements (NFRs)
High-Level Design (HLD)
- Mapping the system architecture
- Describe the overall process and describe the responsibilities of each component in turn
- Essential: ability to orally articulate the second option and compare the advantages and disadvantages of the two options (may be followed up with additional detailed discussion)
API Design
- Define the Protocol, Type, Parameters and Response.
- Designing Error Handling Mechanisms (Error Handling)
- Consider the need for pagination or other special treatment
Database Model
- List entities and their attributes.
- Justification for the selection of the database
- Discuss how to scale horizontally/vertically based on existing design (Scalability)
Service or Front-End Technology Selection (Service / Front-End)
- Depending on the time, you can go deeper in any one direction
- Service Orientation: analyzing existing service bottlenecks, proposing solutions and their trade-offs
- Front-end Orientation: Describe the chosen technology stack and its benefits (can be brief if time is limited)
Improvements
- Summarize the remaining shortcomings of the system
- Propose feasible optimization or expansion options
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ProgramHelp not only provides interviews on behalf of the interviews, interview assistance, but also covers admission support such as admission on behalf of the interviews, audio transfer of interviews for study abroad, and interview cheating. In addition, we also have tutorials, job search help, exams, outsourcing program written exams. One-stop service to help you win in all aspects!
