Requirements
1. 5-7 Years of hands-on development on Android
2. Extensive understanding of Architectures - both old and new -> MVC to MVVM To Clean
3. Excellent In-depth understanding of Java and Kotlin Programming Languages
4. 2+ Years of managing android developers
5. Have worked on or scaled an app to more than 1mn downloads
6. Obsessed about long term solutions, yet understands business requirements to deliver projects quickly
7. Good understanding of backend technologies for better cross teamwork
8. Obsessed about app ratings, app vitals, and crash-free apps
Responsibilities
1. Lead the Testbook Android Team of 12+ Android Developers
2. Own the Testbook Android App (2Cr+ Installs) and its related 500+ Apps
3. Work extensively with Product Managers to deliver quality products and features
4. Improve the App Architecture and drive processes for code reviews, releases.
5. Take up occasional challenging Android coding tasks
About Us :

About Testbook
About
Testbook, the education technology company with the most rapid growth rate, is getting poised to revolutionize the sector. Testbook has raced to the front and is well positioned to dominate larger markets thanks to its large user base of over 150+ lakh students who have registered to use the platform, its 450+ crore questions completed on the web, and its exceptional Android app.
Testbook is the perfect place to cultivate new talent. You come, you put in the effort to learn, and you succeed. You study under the most renowned teachers, and eventually, you emerge as a leading authority in your field. Having said that, the company places a high priority on the flexibility to choose which projects you want to work on, how and when you want to work on them, and what kind of contributions you want to make. You have complete command of the assignment at hand.
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Position: Android Developer
Experience: 3+ - 10 Years
Location: Mumbai
Employment Type: Full-Time
About the Role
We are looking for a highly skilled and experienced Senior Android Developer to join our team. The ideal candidate will have extensive experience in Android application and SDK development, proficiency in AIDL (Android Interface Definition Language), and expertise in creating scalable and modular applications using multi-module architecture and MVVM (Model-View-ViewModel) patterns.
Key Responsibilities
- Design, develop, and maintain robust Android SDKs and libraries.
- Collaborate with cross-functional teams to define, design, and ship new SDK features.
- Implement and manage inter-process communication using AIDL.
- Develop and maintain services and background processes for seamless application functionality.
- Architect scalable multi-module Android applications with proper separation of concerns.
- Utilize the MVVM architecture for clean, testable, and maintainable code.
- Optimize application performance and memory usage.
- Write clean, well-documented, and efficient code while adhering to industry standards.
- Perform code reviews, provide mentorship, and ensure best practices are followed across the development team.
- Debug and resolve issues, ensuring application stability and reliability.
- Stay updated on the latest Android development trends, tools, and frameworks.
Key Skills and Qualifications
- 3-7+ years of professional Android development experience.
- Proven experience in building and maintaining Android SDKs.
- Strong understanding and hands-on experience with AIDL.
- Proficient in Android services, background tasks, and inter-process communication.
- Expertise in multi-module architecture for Android applications.
- Strong understanding of MVVM architecture and data binding.
- Solid knowledge of Android design principles, patterns, and best practices.
- Experience with testing frameworks (e.g., JUnit, Mockito) for unit and integration testing.
- Proficiency with tools like Git, Gradle, and Android Studio.
- Excellent problem-solving skills and attention to detail.
- Strong communication and collaboration skills.
Preferred Qualifications
- Familiarity with CI/CD pipelines for Android projects.
- Knowledge of Kotlin Coroutines and Flow.
- Exposure to performance monitoring and optimization tools.
- Contributions to open-source projects or Android developer communities.
- Experience with Jetpack libraries and Compose.
Job Description:
- Strong working experience in IOS application development is a must. First-hand experience of native mobile apps using Swift must.
- Experience with Swift, RxSwift, Swift UI, and Unit tests.
- Strong system design and architecture skills - specifically for IOS. Curiosity to tinker around, explore new paradigms and strongest for continuous improvement. Strong problem-solving skills.
- Understanding of network connections, Rest API'sand scheduling. Strong knowledge of security standards (e.g. HTTPS) and privacy standards.
- Idea/experience of the unit and instrumentation testing in IOS. Optimizing app performance and memory consumption.
- Leveraging community libraries to efficiently complete development tasks.
- Debugging apps using simulators and related tooling.
- Persisting data for offline-first apps using databases such as Realm.
- Localizing apps to support multiple languages and regions, vernacular libraries and fonts.
- Familiar with Version control systems such as GIT.
➞ Benefits of working with Ebizz Family:
- 5 working days
- Paid Overtime
- Growth in a short time
- PF ESIC benefits
- Co-operative Teammates
- Friendly Environment
Responsibilities
- Translate designs and wireframes into high-quality code.
- Design, build and maintain high performance, reusable, and reliable Java code.
- Ensure the best possible performance, quality, and responsiveness of the application.
- Identify and correct bottlenecks and fix bugs.
- Help maintain code quality, organization, and automatization.
Requirement
- Minimum year of experience as an Android app developer.
- Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
- Strong knowledge of Android UI design principles, patterns, and best practices
- Experience with offline storage, threading, and performance tuning
- Ability to understand business requirements and translate them into technical requirements
LinkedIn: https://www.linkedin.com/in/ebizzinfotech/" target="_blank">https://www.linkedin.com/in/ebizzinfotech/
Website: https://www.ebizzinfotech.com/" target="_blank">https://www.ebizzinfotech.com/
Have an Experience indeveloping nativeAndroid apps(depth knowledgeof Android SDK,
NDK)
Depth knowledge of SQLite and Room
Excellent in JAVA, Kotlin language with a good debugging Skills
Expert in using Android Studio and Git .
Developing universal application, which can run on most available android devices.
Must have good understanding of Object-Oriented Programming
Good eye for mobile app design and product sense
Experience in cross platform Tools like Appcelerator
Internally motivated, able to work proficiently both independently and in a team environment.
Good communication skills with both internal team members and external business stakeholders
Strong initiative to find ways to improve solutions, systems, and processes.
Experience of working on Android Studio.
Good in data structure and Algorithms.
Very Sound knowledge of Android Components.
Good in Multi-threading concepts(Desired).
Very good understanding of Java, garbage collection and design patterns.
Third party API Integration like Facebook, Twitter, Payment Gateways.
Experience with Android Google Maps API, and other location based services
We are looking for an Android developer responsible for the development and maintenance of applications aimed at a vast number of diverse Android devices. Your primary focus will be the development of Android applications and their integration with back-end services. You will be working along-side other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and creating quality products is essential.
Responsibilities:
1. Translate designs and wireframes into high-quality code
2. Design, build and maintain high performance, reusable, and reliable Java code
3. Ensure the best possible performance, quality, and responsiveness of the application
4. Identify and correct bottlenecks and fix bugs
5. Help maintain code quality, organization, and automatization
Skills:
1. Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
2. Familiarity with RESTful APIs to connect Android applications to back-end services
3. Strong knowledge of Android UI design principles, patterns, and best practices
4. Experience with offline storage, threading, and performance tuning
5. Ability to design applications around natural user interfaces, such as “touch”
6. Familiarity with the use of additional sensors, such as gyroscopes and accelerometers
7. Knowledge of the open-source Android ecosystem and the libraries available for common tasks
8. Ability to understand business requirements and translate them into technical requirements
9. Familiarity with cloud message APIs and push notifications
10. A knack for benchmarking and optimization
11. Understanding of Google’s Android design principles and interface guidelines
12. Proficient understanding of code versioning tools, such as Git
13. Familiarity with continuous integration
You will get to own and build world-class mobile solutions that are user-friendly and highly performant.
You will get to work with a highly experienced team in a very informal, yet results-oriented environment
You should think consumer-first and have the ability to work in a dynamic and fast-paced environment
3+ yrs hands-on experience in mobile app development using React Native and/or Android
Successfully built performant apps for Android and/or iOS.
Strong knowledge in JavaScript, Redux, RN Hooks, API Integration, Firebase integration
Good hands-on experience with Android Studio, Test-driven Development frameworks, App analytics, App monitoring
Ability to build pixel perfect and smooth UI by converting wireframes from Figma
Strong problem solving and debugging skills
Should have worked on mobile apps at scale
Startup experience preferred
- Strong experience in Flutter development for Android & iOS app
- Expertise in 3rd Party API implementation
- Experience in using GMAPS, FIREBASE other 3rd Party plugins










