Wasoko Lead Engineer Interview Questions and Answers

Q1. Microservices, java questions
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Q1. What is the content of BOM
Ans. 
BOM stands for Bill of Materials, which is a comprehensive list of components, parts, and materials needed to manufacture a product.
• BOM includes detailed information about each component such as part number, description, quantity, and unit of measure.

• It helps in tracking and managing inventory, ordering materials, and estimating production costs.

• BOM can be hierarchical, with sub-assemblies listed under main components.

• ...read more
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Q2. How to draft through zuken
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Drafting through Zuken involves using their software tools for creating and editing electronic designs.
• Use Zuken's software tools like CR-8000 or CADSTAR for drafting electronic designs

• Create schematics, layout designs, and PCB designs using Zuken's software

• Utilize features like auto-routing, design rule checks, and 3D visualization for efficient drafting

• Collaborate with team members by sharing and reviewing designs wi
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Q1. About your self
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Q2. About work experience
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Q1. Expected ctc lpa
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Q2. Notice period of it less than 90 or not
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Basic questions for aptitude genearal personl developing questions

Q1. What is react native
Ans. 
React Native is a framework for building mobile applications using JavaScript and React.
• Allows developers to write code once and deploy it across multiple platforms

• Provides access to native features and APIs of the device

• Supports hot reloading for faster development

• Used by companies like Facebook, Instagram, and Airbnb
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Q2. Diff use memo and use reducer
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Memo is used for optimizing performance by caching the result of a function, while reducer is used for managing state in React applications.
• Memo is used to memoize the result of a function and prevent unnecessary re-renders.

• Reducer is used to manage state in React applications by updating the state based on actions.

• Memo can be used with useMemo hook in React to optimize performance.

• Reducer is typically used with useRed...read more
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Q1. Salary discussion
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Q2. Notice period about compnay
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30min online test. Easy level.

Q1. Technical interview with core concepts
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Q2. Conceptual , core knowledge.
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Q1. Managereal round
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Q1. What is PPAP in AS9145
Ans. 
PPAP stands for Production Part Approval Process in AS9145, a standardized process for approving parts before production.
• PPAP is a standardized process used in the aerospace industry to ensure that parts meet quality standards before production.

• It involves submitting documentation such as design records, material certifications, and process control plans.

• PPAP helps to prevent defects in the production process and ensur...read more
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Q2. Explain PMFEA as per AS13004
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PMFEA stands for Process Failure Mode and Effects Analysis, as per AS13004.
• PMFEA is a structured approach to identifying and prioritizing potential failure modes in a process.

• It involves analyzing the potential effects of these failure modes and developing preventive actions.

• PMFEA helps in improving process reliability, quality, and efficiency.

• It is commonly used in industries such as automotive, aerospace, and manufac...read more
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Data structure and algo with arrays and hash

Q1. System design with high and low level design
Ans. 
System design involves both high level and low level design to create a comprehensive architecture.
• High level design focuses on overall system architecture and functionality

• Low level design delves into specific components, modules, and interactions

• Examples: High level - deciding on database structure, Low level - designing specific API endpoints
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Q2. Design of whatsapp Design of notification engine in my project
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The notification engine in a project is designed to send timely and relevant notifications to users.
• Implement a system to track user preferences and settings for notifications.

• Utilize a queue system to prioritize and schedule notifications.

• Include options for users to customize notification frequency and content.

• Integrate with external services like email or SMS for notifications delivery.
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Q1. It was virtual interview.
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Q2. 1. Binary Search with code 2. Hash Map in deep 3. Core Java concepts
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