Mobile App Developer

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. 

We enable humans & machines with internet connectivity at a price that they can afford.

The inspiration for Wifi Dabba came from the founders working together for the last decade in the mobile application industry and realising the biggest reason for user churn being access to cheap and affordable internet access. From having worked on ground onboarding users and facing poor connectivity issues all the time, we took it on ourselves to fix the internet access problem for the common citizen.

At Wifi Dabba (YC W17), we are building a low cost, scalable & distributed Wi-Fi infrastructure to connect next billion users online. We do this by deploying a grid of lasers (Free Space Optics) over the cities & town and bring cheap and fast internet for everyone. We enable anyone to buy 1 gig of data access at a time at a price they can afford. Sachetization of internet access is the foundation to rebuilding internet for all. We do this by leveraging crypto and blockchain to truly make internet infrastructure ownership distributed — our vision is to be connectivity layer for the Web3 world.

• You will get the chance to be an early team member at a fast-growth YC startup.
• You get to define the future of telecom infrastructure ownership and operations.
• We’re a tight-knit team where you'll learn a ton and have ownership.
• Opportunity to build for the next billion users.

• Strong engineering background preferably in Computer Science
• Experience architecting, developing, and testing android application code end-to-end
• Strong knowledge of Android UI design principles, patterns, and best practices
• Experience with AWS services
• Experience working with remote data via REST and JSON
• Experience working with mobile analytics
• Knowledge of code versioning tools like GIT, SVN.
• Experience in building user interfaces for mobile apps.
• Participate in design discussions with business users, web producers and engineering teams.
• Perform requirements analysis, high-level design, effort estimation for new business requirements and feature enhancements.
• Write clean, concise, and sustainable code.
• Team player who enjoys collaborative effort.

• Entrepreneurial mindset (we encourage all employees to be future founders and this can be a great stepping stone towards that)
• Customer-centric and passionate about working in a small & focused team
• Previous experience building/working in telecom software or infrastructure
• Previous experience building web3 project - DeFi / Blockchain infrastructure
• Previous experience at a high-growth, fast-paced startup

What you need to have:

Krafty Solutions is looking for an enthusiastic, energetic, young-minded mobile application developer who take pride in the work they do.

Krafty Solutions is a product design and development studio where you will learn a lot in your field by working in a very friendly environment. An opportunity will be given based on your preference.

About You

If you're the guy who has a strong bias for making things happen, always wears a smile on your face, with a proactive attitude then we would like to meet you. You will work closely with your team leader who will help you to learn new things as well as resolve your doubts. If you're interested in creating a user-friendly environment by writing code and moving forward in your career, then this job is for you. We expect you to be a tech-savvy professional, who is curious about new digital technologies and aspires to combine usability with visual design.

Knowledge

• Strong knowledge of OOP, Java and Android SDK.
• Experience in RESTful, JSON and XML parsing, SQLite, Push Notification, Payment Gateway Integration, In app Purchase
• Experience of integrating third-party libraries.
• Hands on with Kotlin, Android-KTX libraries and Unit testing (Junit, Espresso, Mockito, Firebase Test-case)
• Hand on experience on Android UI Development (Material Design Component), multiple device resolution support, landscape and tablet support, multi-language & RTL support in layout.
• Understanding of App Lifecycle, Activity, Fragment, Background Service, Broadcast, Gradle, Memory management, Threading etc.
• Understanding of architecture design patterns like MVP and/or MVVM
• Android jetpack component(Room, DataBinding, LifeCycle, LiveData, Navigation, Paging, ViewModel, WorkManager)
• Proficient understanding of code versioning tools (e.g. GIT)
• Data binding library, constraint layout, RxJava concepts,
• Experience with publishing app on Google Play Console and managing the app lifecycle
• GraphQL knowledge is a plus

Responsibilities and Duties

• Overall responsibility and accountability for Android App
• Hands-on coding, systems analysis, design, and delivery of projects assigned.
• Overall App Design - code, performance, security, size
• Deliver new features, execute on the roadmap and plan for the future.
• Convert app requirements into actionable and tangible items for all stakeholders
• Release planning and timely integration with other stakeholders (product, backend, frontend, ui/ux etc)
• Proactive ANR, other crash fixes etc
• Continuously discover, evaluate, and implement new technologies to maximize development/performance etc
• Improve product quality through code reviews, writing effective unit tests, and collaborating with QA

Key Skills

• Kotlin, Java, RxKotlin, RxJava, Android SDK, Android Studio, Git Required
• Education - B.E/ B.Tech/BCA/MCA/MSc IT degree in Computer Science, Engineering or a related subject
• Experience - 3-6 yrs

Benefits

• Great Company Culture - A relaxed, friendly and positive company culture with a dynamic young team
• Work-Life Balance - Genuine work/life balance served at Krafty.
• A Well Earned Rest - You will get 11 paid public holidays as well as 12 paid leaves. So, a total of 23 HOLIDAYS
• Flexible working hours - Reaching late at the office would never be an issue for you. Fully remote culture
• Weekends Off - Saturday & Sunday Fixed Off