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.
Connect with the team
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Desired candidate profile :
● 4 to 6 years of iOS Native Application Development with Swift
● Web services/API interactions, Audio/Video streaming, SQLite, JSON/XML parsing.
● Expertise in Autolayouts, Custom UI Elements, and IBDesignable.
● Strong grasp of Data structure and algorithms
● Good knowledge of Object Oriented Programming and Protocol Oriented
Programming.
● Experience with design patterns like MVC/MVVM/VIPER
● Experience with Unit testing, TDD and UI Testing.
Nice to Have :
● Domain knowledge in eCommerce
● Previous experience in a product company is a plus.
What we value as a team:
● Proactive in communication
● Collaborate with other members of the agile ecosystem
● Out-of-the-box thinking to resolve issues and bringing New Ideas to bringing Quality to the Applications
We are seeking a talented Android Native Kotlin Developer to join our team. As an Android Developer, you will be responsible for designing, developing, and maintaining high-quality Android applications using Kotlin. You will collaborate with cross-functional teams to deliver user-friendly and efficient mobile solutions that meet business objectives.
Key Responsibilities:
- Design and develop Android applications using Kotlin, adhering to best practices and coding standards.
- Collaborate with product managers, UI/UX designers, and backend developers to define and implement features.
- Write clean, efficient, and maintainable code with proper documentation.
- Conduct thorough testing and debugging of applications to ensure high quality and performance.
- Optimize application performance and troubleshoot any issues that arise.
- Stay up-to-date with the latest industry trends, tools, and technologies related to Android app development.
- Participate in code reviews to ensure code quality and provide constructive feedback to team members.
- Work in an Agile development environment, actively participating in sprint planning, stand-ups, and retrospectives.
- Collaborate with QA engineers to ensure proper testing and delivery of bug-free applications.
- Continuously improve development processes and contribute to the overall improvement of the Android development team.
Qualifications and Skills:
- Bachelor's degree in Computer Science, Software Engineering, or a related field.
- Proven experience in Android app development using Kotlin.
- Strong knowledge of Android SDK, Android Studio, and related development tools.
- Solid understanding of object-oriented programming (OOP) principles.
- Experience with RESTful APIs, JSON, and web services integration.
- Proficient in version control systems such as Git.
- Familiarity with agile development methodologies.
- Strong problem-solving and analytical skills.
- Excellent communication and collaboration abilities.
- Ability to work effectively both independently and in a team environment.
Additional Preferred Skills:
- Experience with Android Jetpack components (e.g., LiveData, ViewModel, Room, Navigation).
- Knowledge of reactive programming using frameworks like RxJava or Kotlin Coroutines.
- Familiarity with dependency injection frameworks like Dagger or Koin.
- Understanding of Material Design guidelines and UI/UX principles.
- Experience with automated testing frameworks like Espresso or JUnit.
- Knowledge of software development best practices, including continuous integration and continuous deployment (CI/CD).
- Prior experience working on large-scale mobile applications.
Key Skills
- Must have experience building apps using fluter, good knowledge on dart. Preferably built and deployed couple of apps both on iOS and Android
- Good knowledge in integrating or developing app functions using firebase
- Must have ported at least 2 applications on iOS and Android platforms. Exposure to the entire build piepline is a must.
- Has good knowledge on how native android and iOS apps work. Must have experience building iOS native apps
- Has an understanding on Computer vision and basic deep learning concepts. Any prototypes of proof of concepts are a big plus.
What they need to do?
- Code - write or learn to write clean code, understand design patterns and develop a quick turnaround time to ship updates
- UI/UX - understand design guidlines and implement them in the project
- Communication - communicate project goals clearly to the team. Understand and convert project requirements in to actionable steps
- Documentation - maintain documentation to support product development
What is homeground?
- HomeGround is an AI platform that helps aspiring cricketers and coaches level up thier training. We help our users get an equal opportunity to play, train for and achieve their goal by providing professional level training analytics right on the smartphone, no special equipment or sensors required.
- HomeGround is one of the Top 10 early stage sports tech startup selected by Startupbootcamp Australia
- Our team shares experience in product growth, marketing and deep learning. We are passionate about our work and are committed 100% to our startup.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Work with outside data sources and API's.
• Unit-test code for robustness, including edge cases, usability, and general reliability.
• Work on bug fixing and improving application performance.
• Continuously discover, evaluate, and implement new technologies to maximize development efficienc
You’ll be responsible for:
- Owning significant architectural and product areas of the platform
- You’ll make the key decisions and see them through to successful user engagement
- Delivering features that make a big impact on our growth journey
- Writing high-quality, highly-performant code
- Pushing changes every week
- Participating in code reviews and architectural discussions - we want you to bring your expertise to the team and make us all better engineers
You’ll be successful if you are:
- An expert with Kotlin and the rest of the Android ecosystem
- Collaborative and want to see the team succeed in its goals
- Practical about tradeoffs between speed and polish
- Passionate about showing others how to do something new
- Excited to join a small team that moves quickly

Good to have :
- Knowledge of Retrofit or Volley
- Knowledge Glide or Picasso
- Knowledge of Dagger, Hilt or Koin
- Understanding of major app architecture patterns
- Knowledge of Jetpack libraries
- Knowledge of Google Play Services
- Knowledge of Firebase Services
- Knowledge of Android Architecture Components
- Experience in Unit tests
- Experience in Instrumentation tests
- Understanding of REST APIs
- Understanding of memory management tools
- Understanding of performance monitoring tools
- Exposure to UI/UX best practices
Great to have:
- Experience with modularized apps
- Experience in Flutter/React-Native
- Experience in Design Systems
- Understanding of localization/internationalization
- Strong drive to learn and grow as the platform evolves
Job description
JD:
- Design and build advanced app features for the Android platform.
- Work on MVP & MVVM architecture for building apps in Android Studio
- Translate designs and wireframes into high-quality code.
- Familiarity with RESTful APIs to connect Android applications to back-end services
- A reactive approach using RxJava or RxKotlin
- Prior experience in working with Google Maps and App Bundle
- Work with REST API(JSON) endpoints using Retrofit
- Good working knowledge of design patterns & OOAD
- Built and managed apps with over 1 million users
- Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
- Familiarity with Agile development, Scrums, continuous integration, and test-driven development processes
- Experience with Analytics, offline syncing, GCMs, deep-linking, notifications etc
- Experience in building apps in which transaction/payments happen







