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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What does the core role include?
- Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
- Designing stateless components in React Native
- Contributing in all phases of the development lifecycle
- Working with the developers to create and maintain a robust framework to support the apps
- Working with the developers to build the interface with a focus on usability features
What else can you expect in the role?
- Prepare and produce releases of software components
- Optimizing performance for the apps
- Problem-solving skills, analytical mind, and positive attitude
- Ability to think from end users perspective and focused on improving the overall product experience.
- Deliver across the entire app life cycle concept, design, build, deploy, test, release to app stores and support
What can fetch you brownie points?
- Hands on experience with React Native is required
- Hands-on experience in React Native APIs, ReactJS, Javascript, ECMAScript (OOJS) and JSX.
- Strong understanding of JavaScript ecosystem
- Hands on experience on Android in creating Hybrid / Native applications
- Demonstrable UI/UX experience on a large-scale app.
- Thorough understanding of React Native development tools like IDEs (Nuclide, Atom, Sublime Text, or Visual
- Good knowledge of JS frameworks like ReactJS is a plus.
Desired Skills and Experience
Hybrid Apps,React Native, Native iOS and Android Architecture understanding
We are looking for a Mobile App Developer for one of the leading TMT bar manufacturers and exporters in India.
Please find below details for your reference :-
Role - Mobile App Developer
Exp - 3 to 8 years
Job Location - Kolkata
About the Company :-
Our Client is one of the leading TMT bar manufacturer and exporter in India. It is a well known group that achieves a turn over of 3000 Cr per annum. The group is setting a construction & architecture oriented omni channel B2B & B2C platform.
Roles & Responsibilities:
- 3-7 yrs of experience in developing new features and user interfaces from wireframe models.
- Ensuring the best performance and user experience of the application
- Fixing bugs and performance problems
- Writing clean, readable, and testable code
- Cooperating with back-end developers, designers, and the rest of the team to deliver well-architected and high-quality solutions
- Complete knowledge of the Uploading app on google play store and Apple app store
- Through analytical skills to Recommend system solutions by comparing advantages and disadvantages of custom development and purchase alternatives.
Requirements :-
- Extensive knowledge about mobile app development. This includes the whole process, from the first line of code to publishing in the store(s)
- Deep knowledge of Kotlin, Flutter,Android, iOS, etc.
- Proficiency with writing automated tests. depending on the libraries you use to test
- Familiarity with RESTful APIs and mobile libraries for networking
- Experience with profiling and debugging mobile applications
- Strong knowledge of architectural patterns - MVP, MVC, MVVM, and Clean Architecture and the ability to choose the best solution for the app
- Familiarity with Git
- Familiarity with push notifications
- Understanding mobile app design guidelines on each platform and being aware of their differences
- Proficiency in Kotlin/Java/Swift/Flutter/Dart
- Designing and building mobile applications for Apple’s iOS platform.
- Collaborating with the design team to define app features.
- Ensuring quality and performance of the application to specifications.
- Identifying potential problems and resolving application bottlenecks.
- Fixing application bugs before the final release.
- Publishing application on App Store.
- Maintaining the code and atomization of the application.
- Designing and implementing application updates
Location: Rajarhat, Kolkata
Experience: 3 to 5 years
Salary: upto 12 lakhs
Qualification: B. Sc./ Bachelor's in Computer Science
Responsibilities and Requirements:
• Android & iOS app development using Flutter.
• Flutter projects in the past.
• Flutter and Kotlin knowledge for Android application development.
• Working experience on Flutter SDK & Dart Programming Languages.
• Working experience on usage of Flutter widgets for iOS/Android.
• Basic understanding of SDLC.
- Collaborating with cross-functional teams to define, design, and ship new features
- Working with outside data sources and APIs
- Unit-testing code for robustness, including edge cases, usability, and general reliability.
- Working on bug fixing and improving application performance.
- Continuously discovering, evaluating, and implementing new technologies to maximize development efficiency.
Candidate Profile:
- B.E. / B.Tech. / MCA in Computer Science, Engineering, or related fields is required.
- Proven software development experience and Android skills development
- Proven working experience in Android app development and have published at least one original Android app.
- Experience with Android SDK
- Experience working with remote data via REST and JSON
- Experience with third-party libraries and APIs
- Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
- Solid understanding of the full mobile development life cycle.
Jamun Informatics Private Limited (Jamun) is a Delhi-based startup Backed by Splendor Group, a pedigreed Indian business house. Jamun is focused on creating niche software solutions to solve B2C and B2B problems in the ecosystem of Consumer Durables and Electronics (CDEs). Jamun is creating India’s first Super App for Personal and Home Electronics and Appliances or CDEs – PingKaro. Jamun is partnering with various Brands and integrating with their CRM systems to create a
new ecosystem for customers across the country.
POSITION: Android Developer
LOCATION: New Delhi
EDUCATION: B.Tech/B.E. in Any Specialization, MCA
We are looking for an Android Developer who possesses a passion for pushing mobile technologies to the limits. This Android app developer will work with our team of talented engineers to design and build the next generation of our mobile applications. Android programming works closely with other app development and technical teams.
RESPONSIBILITIES:
1)Designing and developing advanced applications for the Android platform.
2)Unit-testing code for robustness, including edge cases, usability, and general reliability.
3)Bug fixing and improving application performance.
4)Work on bug fixing and improving application performance.
5)Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
TECHNICAL REQUIREMENT:
Codelabs :
1)Android Room with a View: Must have hands-On experience on JAVA and Kotlin.
2)Understanding of ViewModel is a must.
3)Clear understanding of Asynchronous or non-blocking programming, and clarity of Official libraries Coroutines(kotlinx.coroutines), Serialization(kotlinx.serialization), Ktor is a must. Preferred version - V1.5.10.
4)Understanding of live tracking and sockets is a must.
5)Clear understanding of Android SDK, Android studio, APIs, DBs, Material Design.
6)Hands-On experience on structural and multi-platform programming.
• Prior Startup Experience would be preferred.
• Immediate Joiners Preferred
● Good understanding of areas such as Algorithms, Data Structures, ObjectOriented Design, Databases.
● Solid understanding of Android Architecture Components
● Understanding of large and complex code bases, including API designtechniques to help keep them clean and maintainable.
● Programming experience in Java, kotlin and related frameworks.








