React Native Developer - (IOS/Android Apps)

Android Mobile Developer

The ideal candidate will be passionate about providing the best experience to our user community from UI/UX design to speed and performance.  You will think critically to develop native apps for Android mobile devices.  You’ll instrument, measure, optimize and build high quality architectures and code in areas such as Search, Transaction Management and Profile Management.

General Responsibilities:

• End-to-end Android application development that will produce elegant features that our users will love
• Coding alongside the team (comprised of designers and product managers) developing features for our mobile apps
• Produce high quality software that is unit tested, code reviewed, and checked in regularly for continuous integration.
• Understand where to make architectural trade-offs applying synchronous and asynchronous design patterns
• Provide solid feedback on good mobile UI/UX design practices and ways to reduce any user friction

Requirements:

• 5+ years developing extensively with Java 
• 7+ years experience in software design, development, and algorithm related solutions
• Knowledge of UI and animation frameworks, touch user interface, and MVP application design
• Strong expertise in developing enterprise mobile applications using Google’s Android SDK( e.g. packaging, emulators, adb, etc)
• Familiar with deploying to Google’s app store and staged rollouts
• Extensive programming experience in Java and/or Kotlin
• Experience with relational databases (transactional and non-transactional), database architecture, and distributed transaction management
• Experience with consuming third-party libraries and APIs
• Strong understanding of working with REST services, databases, caching strategies & asynchronous calls is a must
• Good understanding of software development lifecycle along with working knowledge of SCM with strong emphasis on Git and Jira
• BA/BS Degree in Computer Science or related technical discipline, or related practical experience.

About the Role

We are looking for passionate Android Developers skilled in Kotlin, Jetpack, and MVVM architecture to join our growing team. You will be responsible for designing and building high-quality, scalable, and performant Android applications.

This role is perfect for candidates who want to own features from Day 0, thrive in a startup environment, and are excited about building products that impact users directly.

Key Responsibilities

• Develop and maintain Android applications using Kotlin, Jetpack components, and MVVM architecture.
• Collaborate with product, design, and backend teams to build end-to-end features.
• Ensure applications are responsive, stable, secure, and performant.
• Write clean, maintainable, and testable code following best practices.
• Implement REST API integrations, handle offline caching, and work with local databases (Room).
• Debug, troubleshoot, and fix issues across multiple devices and Android versions.
• Stay updated with the latest Android development trends and libraries.

Required Skills & Qualifications

• Strong knowledge of Kotlin and Android SDK.
• Experience with Jetpack libraries (ViewModel, LiveData, Navigation, Room, DataStore, etc.).
• Good understanding of MVVM architecture and reactive programming.
• Hands-on experience in API integration, JSON parsing, and network handling.
• Solid knowledge of Git/GitHub (must have deployed Android projects in portfolio).
• Understanding of UI/UX principles, Material Design guidelines, and responsive layouts.
• Strong debugging, problem-solving, and optimization skills.

Preferred Skills

• Prior experience (internship/full-time) in a startup environment.
• Exposure to Dependency Injection (Hilt/Dagger).
• Familiarity with coroutines, Flow, and asynchronous programming.
• Knowledge of Firebase services (Crashlytics, Push Notifications, Analytics).
• Experience with CI/CD for Android apps.
• Familiarity with the Play Store publishing process.

Eligibility Criteria

• Experience: 0 – 2 years (Freshers with strong deployed Android projects welcome).
• Education: Tier 2 / Tier 3 college graduates preferred.
• GitHub Requirement: Must have a solid GitHub profile with deployed Android projects. Inactive or blank repositories will be rejected.

Selection Process

1. Written Test – Android fundamentals & coding basics.
2. Sample Task – Build a small Android app (with Kotlin & MVVM).
3. Technical Interview (Basic, 30 min) – Android SDK, Kotlin, lifecycle, Jetpack basics.
4. Advanced Technical Interview (90 min) – MVVM, architecture, performance optimization, debugging.
5. HR Round – Culture fit and final discussion.

Why Join Us?

• Build Android apps with modern tech stack (Kotlin, Jetpack, MVVM).
• Opportunity to own features from Day 0 in a high-growth startup.
• Work on applications that directly impact end-users at scale.
• Learn and grow alongside a passionate and fast-moving engineering team.

If you are passionate about development and want to build high-quality products from scratch, apply now!

We are looking for an entry level developer to join our team. You must have delivered at least 2 projects either as a part of self training, internships or industry experience.

Required Skills (more the better):

• Native iOS Application Development with Swift, understanding of Objective C, iOS SDK, Xcode, Cocoa Layer, Media Layer, Core Service Layer, Core OS Layer, iOS Frameworks, iOS Developer Tools, iOS programming, iOS Human Interface
• Hybrid mobile application development using Flutter will be an added advantage
• Deployment/ publish in Apple App Store
• Understanding of design patterns like MVC

Additional Skills:

• Versioning tools such as Git, Bit Bucket, and concepts like branching
• DevOps: Knowledge of operating systems, hosting and deployment on cloud platforms like Amazon Web Services, Google Cloud, Azure etc will be added advantage

Responsibilities will include:

• Developing applications for iPhone and iPad
• Reviewing new releases, SDKs, updates in the mobile space
• Writing clean, well-designed code
• Debugging code and fixing bugs
• Ensuring code quality and security by following industry standards
• Managing code repositories and deploying builds
• Contributing to all phases of the development lifecycle
• Participating in team meetings and client meetings/ calls
• Learning new technologies

Why should I join Big Rattle?

Big Rattle Technologies specializes into development of Mobile and Web applications. Our clients include Fortune 5000 companies. Over the past 9 years, we have delivered multiple projects for clients from various industries like FMCG, Restaurants, Banking and Finance, Automobiles, Ecommerce, Television and Broadcast Agencies.

You will have an opportunity to get end-to-end exposure in software design and development of products, web applications and mobile applications. You will also have opportunities to participate in the decision-making process and take leadership roles as you grow in the organisation.

The company offers benefits like

• Healthcare coverage (including Covid-19 vaccination reimbursement)
• Technical certification fee reimbursements
• Technical training fee reimbursements
• 5-day work week
• Flexible working hours
• Hybrid working

About MyOperator:

MyOperator is a leading Software as a Service (SaaS) for managing cloud communication. Trusted by 10000+ businesses and recognized as a leader in India’s cloud telephony segment, MyOperator enables seamless communication for agile enterprises.

The team will build our next-generation cloud telephony platform and provide our customers with new ways to deliver communication experiences to their audiences. This is an exciting and meaningful opportunity both from a technical and career opportunity perspective.

React native developers will be responsible for developing and maintaining high-quality mobile applications. The developer will be responsible for creating applications for both Android and iOS using React native. 

 Requirements

• Design and implement user interface components for JavaScript-based web and mobile applications using React ecosystem
• Work as a part of a small team that includes other react native developers, designers, QA experts, and managers
• Build app and UI components from prototypes and wire-frames
• Work with native modules as and when required
• Use Native APIs for tight integrations with both platforms Android and iOS
• Write automated tests to ensure error-free code and performance
• Improve front-end performance by eliminating performance bottlenecks
• Create front-end modules with maximum code reusability and efficiency
• Implement clean, smooth animations to provide an excellent user interface
• Work with third-party dependencies and APIs
• Work with Redux architecture to improve the performance of the websites/mobile apps
• Coordinate with the cross-functional teams to build apps within the stipulated time/budget.

Benefits

• 100% Remote Working
• WiFi Reimbursement
• Work-Life Balance
• 
  

Want to hear our CEO? https://www.youtube.com/watch?v=g85J6h8RGCU&;t=157s

Our Products:

MyOperator Dialer: https://www.youtube.com/watch?v=2uhjcIa5rlE

Heyo App: https://www.heyophone.com/

Check us on LinkedIn:

https://www.linkedin.com/company/voicetree-technologies/

We are looking for a React Native developers between 1 to 3years of experience interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

• Build pixel-perfect, buttery smooth UIs across both mobile platforms.
• Leverage native APIs for deep integrations with both platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Reach out to the open source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Transition existing React web apps to React Native.

• 2-5 years of experience in the Android ecosystem
• knowledge UPI based apps
• Payment Gatway 
• Solid understanding of Android SDK and Android architecture
• Strong OOPs fundamentals, Java, XML, JSON, Web Services, SQLite databases
• Proficient with developing optimized UI for different android versions and devices
• You should have released a few apps on the play store or at least have a working prototype of something which you are proud of
• You love to write beautiful code
• Strong analytical and troubleshooting skills
• You are resourceful, innovative, and inventive
• You have experience writing unit tests
•  

Purpose: We are looking for React Native Application Developer who possesses a passion for mobile technologies.

Roles & Responsibilities:

• Ideal candidate should have Working knowledge of React Native and React JS is a must.
• Over 3+ years of React Native experience with strong basics.
• At least have done 4/5 projects using React Native.

• Strong passion for Programming in general and Android and IOS App development.

• Strong problem solving skills.
• Strong system design and architecture skills.
• Curiosity to tinker around, explore new paradigms and strong zest for continuous improvement.
• Over 3+ years of Mobile development experience with strong basics.
• E2E App development and/or experience of developing SDKs is good to have.

Expected Start Date: 1/4/2021

Job Type: Full-time