Who is a Android Developer?
A software developer that specializes in developing apps for Android-powered devices is known as an Android developer. They design, develop, and maintain mobile apps using programming languages like Java and Kotlin and development tools like Android Studio. User interfaces (UI), integrating app features, controlling data storage, and making sure their apps run smoothly on a variety of Android devices are the main concerns of Android developers. To ensure a seamless user experience, they are adept in debugging issues, working with APIs, and comprehending Android frameworks. In the quickly expanding mobile app market, which powers millions of smartphones, tablets, and other Android-based devices, their job is essential.
What sets Quest Global apart is not just what we do, but also how and why we do it. As an engineering services supplier with more than 25 years of experience, we firmly believe in the ability to achieve the seemingly unattainable through creative strategies. Our 21,000+ exceptional colleagues, who speak 51 languages and work in 18 countries, are motivated by the desire to improve the world. In order to solve issues faster and more effectively, we combine sectors and technology with the contributions of various people who are empowered by a purposeful workplace culture.
Job Requirements
The main responsibilities are:
- Develop android applications & features for vehicle infotainment system inhouse and maintain them.
- Implement the required VHAL signals & API’s as per the requirements from inhouse vehicle architecture
- Collaborate with cross-functional teams to define, design, and ship new features
- Take full responsibility for the tasks and own the applications / features within the team.
- Identify and correct bottlenecks and fix bugs
- Write Unit-test code for robustness, including edge cases, usability, and general reliability
- Participate in relevant concept selections & investigations
- Comply with clean coding standards and best engineering practices.
- Indulge in advance engineering and contribute to innovation initiatives in the organization.
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
Work Experience
Requirements & qualifications:
- B.E/B.Tech/M.Tech with 5- 8 years of experience working on Android
- Strong command on Android - Java and Kotlin.
- Good knowledge of C++ to implement VHAL signals.
- Good Knowledge of android and language essentials like Android Jetpack components, Rxjava, Coroutines, Flows, ktx, Retrofit
- Familiarity and experience with Dependency injection and related frameworks like Dagger 2
- Architectural knowledge of MVP, MVVM and Clean Architecture
- Exposure to Unit testing frameworks, mock frameworks and libraries like Junit, Mockito, Power Mockito and Mockk.io
- Experience of working with version control, issue and project tracking and other productivity enhancement software like Git, Jira, Jenkins, Confluence, Gerrit .
- Understands and follows SOLID principles
- Strong penchant for Object Oriented Design and CS fundamentals
- Prior experience in working in Agile software methodologies
- Need to be a good team player and have good communication skills
- Experience of agile methods, such as SCRUM, KANBAN & XP
Bean Bag Chair
Topics to prepare for the Interview:
1. Android Fundamentals:
- Activities & Fragments: Lifecycles, communication, Fragment transactions.
- Layouts & Views: UI components, RecyclerView, custom views.
- App Lifecycle: Managing state (e.g., onSaveInstanceState), orientation changes.
2. Key Android Components:
- Services & Broadcast Receivers: Background tasks, communication between apps.
- Content Providers: Access shared data, SQLite, Room.
- Data Storage: SharedPreferences, SQLite, File storage.
3. Networking & APIs:
- HTTP Requests: Using Retrofit, Volley, OkHttp.
- JSON Parsing: Gson, Moshi, handling API responses.
4. Modern Android Topics:
- Kotlin: Syntax, Coroutines, extension functions.
- MVVM Architecture: ViewModel, LiveData, Repository pattern.
- Jetpack Libraries: Navigation, Room, WorkManager.
5. Advanced Concepts:
- Dependency Injection: Dagger, Hilt.
- Multithreading: AsyncTask, Coroutines for background tasks.
- Performance: Memory management, Bitmap handling, APK size optimization.
6. Testing & Debugging:
- Unit Testing: JUnit, Mockito, Espresso.
- Debugging: Logcat, breakpoints, Profiler.
7. Security & Authentication:
- Auth: Firebase, OAuth, JWT.
- Data Encryption: Keystore, secure storage.
8. Build & Deployment:
- Gradle: Build variants, dependency management.
- App Publishing: Google Play Store, APK signing.
- Version Control: Git workflows.
9. Latest Android Features:
- Jetpack Compose: Declarative UI framework.
- Android 12/13: New UI, Privacy features.
10. Soft Skills:
- Teamwork: Agile, collaboration.
- Problem-Solving: Debugging, optimization challenges.
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How we work: culture at Quest Global
Questians are renowned for being exceptional individuals motivated by ambition, humility, and hunger. Diverse viewpoints, backgrounds, and ideas are needed to solve the most challenging engineering challenges in the world. When we leverage the different features that flourish among the more than 21,000 difference-makers in our workplace, Quest Global shines brightest. We strive to foster an open workplace atmosphere where all opinions are respected and heard because we think it is essential to our capacity to truly make an impact.
Benefits at Quest Global
We think that your success at Quest Global is facilitated by a thorough approach to employee benefits. As a very cooperative international engineering firm, we take great satisfaction in our multiculturalism. We take a comprehensive approach to making sure your experience at Quest Global prioritizes a healthy work/life balance, with specialized programs for employee appreciation, carefully chosen wellness programs for mental and physical health, and social volunteering support to enable you to give back to your community.
Additional benefits for full-time employees include:Group medical insurance coverage
- Group term life insurance coverage
- Group personal accident insurance coverage
- Staff loan salary and salary advance
- Transportation
- Bonus for referrals
- Childcare reimbursement
- Learning platform
- Service milestones/anniversary
- Car lease support
Computer Chairs
Top 5 Interview Questions
1. What is the Android Activity lifecycle?
The system uses a collection of methods called the Android Activity lifecycle to control an Activity's status as it progresses through several phases of its existence. The onCreate() method is called by the system when an Activity is first created. OnStart() then makes the Activity visible, and onResume() is called when the user may interact with it. OnPause() is called if the Activity loses attention, and onStop() is called when the Activity is no longer visible. OnRestart() is invoked and the lifecycle continues with onStart() and onResume() if the Activity is brought back into the foreground. Lastly, the system invokes onDestroy() when the Activity is ready to be destroyed. This lifecycle guarantees seamless user experiences and aids developers in resource management.
2. What are the different types of context in Android?
Context on Android describes the setting in which an application runs. Application context and activity context are the two primary categories of context. The lifecycle of the entire application is linked to the Application Context. It is usually used for tasks that don't require direct access to the user interface (UI) and can be applied to a variety of activities and services. On the other hand, the Activity Context is unique to the active Activity and is usually utilized when the context needs to be connected to either an Activity or a user interface element. Using the Activity context outside of its lifecycle could result in memory leaks because it is linked to the Activity's lifecycle.
3. What is the difference between Serializable and Parcelable?
To transform items into a format that can be transferred across components (such as activities or services), both serializable and parcelable are utilized. They vary, nevertheless, in terms of execution and performance. Because it employs reflection to identify object fields, the standard Java interface known as Serializable can be slow when serializing an object to a byte stream. Conversely, an Android-specific interface called Parcelable enables more effective serialization. Compared to Serializable, it is faster since developers must specifically specify how an object is serialized and deserialized. Parcelable is usually utilized when performance is essential, like when moving big things between Activities, although it might be more difficult to create.
4. What is an AsyncTask?
An Android class called AsyncTask makes it easier to conduct background processes and offers a simple method of updating the user interface with the outcomes. It keeps the user interface responsive by enabling you to carry out lengthy tasks (such as network calls or intensive computing) without interfering with the main UI thread. The outcome is returned to the UI thread for additional processing or display after the background job, which operates in a different thread, is finished. Although AsyncTask made background processing simpler in previous Android versions, it has now been deprecated in favor of more contemporary methods for handling background tasks in a more flexible and maintainable manner, such as the ExecutorService or Kotlin coroutines.
5. What is a Fragment in Android?
A modular portion of an activity that can be utilized to create dynamic user interfaces is called a fragment. It enables developers to divide the user interface (UI) of an Activity into more manageable, reusable parts that can be shown separately or in different combinations. In situations like tablet apps, where a single Activity may need to display several UI parts in a split-screen layout, fragments are very helpful. Because each Fragment has a lifespan distinct from the Activity, developers have more flexibility over how UI elements are shown and how resources are handled. A crucial component of Android's adaptable UI design, fragments can also be reused across many Activities.
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