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Q3 Technologies Senior Android Developer Interview Questions and Answers
Q3 Technologies Senior Android Developer Interview Experiences
1 interview found
Vishal Trivedi
(2 Questions)
- Q1. Best practices about ble integration
- Ans.
Best practices for BLE integration include proper error handling, optimizing power consumption, using background services, and implementing security measures.
Implement proper error handling to gracefully handle connection issues and other errors.
Optimize power consumption by minimizing data transfer and using low-power modes when possible.
Use background services to ensure BLE functionality continues even when the app i...
- Q2. Solid principals
Top trending discussions
Interview questions from similar companies
Anonymous
I applied via Job Portal and was interviewed before Sep 2023. There were 2 interview rounds.
(4 Questions)
- Q1. Oops Concept ,polymorphism?
- Q2. Dsa ,frequency related questions and linkedlist related questions
- Q3. Upcasting vs downcasting?
- Ans.
Upcasting is casting a subclass to a superclass, while downcasting is casting a superclass to a subclass.
Upcasting involves converting an object of a subclass to a superclass type.
Downcasting involves converting an object of a superclass to a subclass type.
Upcasting is safe and implicit, while downcasting requires explicit casting and may throw a ClassCastException.
Example: Animal animal = new Dog(); // Upcasting
Exampl
- Q4. Authentication via Jwt?
- Ans.
JWT (JSON Web Token) is a method for securely transmitting information between parties as a JSON object.
JWT is an open standard (RFC 7519) that defines a compact and self-contained way for securely transmitting information between parties as a JSON object.
It is commonly used for authentication and information exchange in web development.
JWTs consist of three parts: header, payload, and signature.
The header typically co...
Dsa questions ,interview was long , past projects
Skills evaluated in this interview
I applied via Company Website
(1 Question)
- Q1. 20 MCQs related to React Native, JavaScript, and Typescript. You're given 15 minutes to answer them.
(1 Question)
- Q1. 1. What is git rebase used for? 2. What is Flipper used for? 3. What is useCallback? Explain with an example. 4. Is "let setState = useState()" valid syntax? How would you set state and print state with th...
- Ans.
Answers to various technical questions related to React Native development.
1. Git rebase is used to reapply commits on top of another base tip. It is used to maintain a clean and linear project history.
2. Flipper is a mobile debugging tool for iOS and Android apps. It allows developers to inspect and debug their apps in real-time.
3. useCallback is a hook in React that returns a memoized callback function. It is used to...
Interview Preparation Tips
Skills evaluated in this interview
Group discussion round with their tl and developer
Asking for android studio project with local DB
(2 Questions)
- Q1. Builder pattern
- Q2. MVP design pattern
(1 Question)
- Q1. Salary discussions
Harsh Kanzariya
Selected
I applied via Campus Placement and was interviewed before Aug 2022. There were 4 interview rounds.
MCQ test with basic aptitude.
Medium level 2 Questions
Easy level 1 question
(1 Question)
- Q1. What's your favorite topic this technology? oops concepts, DSA, basics of technology, projects you've done.
Interview Preparation Tips
Selected
I applied via LinkedIn and was interviewed before Feb 2023. There were 3 interview rounds.
Basic coding lated questions
(1 Question)
- Q1. Technical round taken by seniors problem solving questions
(1 Question)
- Q1. Taken by team lead and Project Manager
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Senior Software Engineer
212
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|  ₹6.5 L/yr - ₹22 L/yr |
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Software Engineer
179
salaries
| ₹4.9 L/yr - ₹17 L/yr |
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Software Developer
62
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| ₹4 L/yr - ₹16 L/yr |
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Technical Lead
52
salaries
| ₹10 L/yr - ₹30 L/yr |
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