Android Developer

Role Snapshot:

We are looking for a highly skilled Android Developer with 4-7 years of experience to join our team. The ideal candidate should have a strong understanding of Android development, be proficient in Kotlin, and have experience working with modern Android frameworks, architecture

patterns, and best practices.

What you’ll Champion:

• Design, develop, and maintain high-performance Android applications
• Collaborate with cross-functional teams to define, design, and ship new features
• Ensure the performance, quality, and responsiveness of applications
• Work with RESTful APIs and integrate third-party libraries and services
• Implement clean and maintainable code following best coding practices
• Optimise applications for performance and scalability
• Stay updated with the latest Android development trends, tools, and technologies
• Conduct code reviews, write unit tests, and ensure high code quality
• Troubleshoot, debug, and resolve production issues

What is needed for this role

• Strong problem-solving and analytical skills to tackle complex challenges in Android development, ensuring smooth performance and efficient memory management
• 4-7 years of hands-on experience in Android app development.
• Strong proficiency in Kotlin (Java knowledge is a plus.)
• Experience with Jetpack components, MVVM and Clean architecture, and dependency injection frameworks like Kotlin, Hilt, or Dagger
• Strong understanding of Android UI/UX principles and ability to create responsive layouts using both XML and Jetpack Compose.
• Experience with Room Database, Retrofit, Coroutines, and LiveData/Flow
• Knowledge of Gradle, Android Studio, and Firebase services.
• Experience with Git and code hosting platforms like GitHub or GitLab.
• Expertise in multi-threading, memory debugging, and performance optimisation for smooth, efficient applications.
• Experience with CI/CD pipelines is a plus.
• Experience with unit testing and UI testing frameworks such as JUnit, Espresso, or MockK is highly desirable.
• Experience with Jetpack Compose is a plus.
• Prior experience in publishing apps to the Google Play Store.
• Familiarity with mobile security best practices.

Job Summary

We are seeking a highly skilled iOS / Android Developer with strong hands-on experience in Kotlin Multiplatform Mobile (KMM) and Compose Multiplatform (CMP) to join our mobile development team. The ideal candidate will be responsible for building and maintaining cross-platform mobile applications while ensuring high performance, scalability, and seamless user experience across iOS and Android platforms.

Key Responsibilities

• Design, develop, and maintain cross-platform mobile applications using Kotlin Multiplatform Mobile (KMM) and Compose Multiplatform (CMP).
• Build and manage shared business logic, networking, and domain layers across iOS and Android.
• Develop native components using Swift & iOS SDK and Android SDK as required.
• Integrate RESTful APIs, handle JSON parsing, and manage networking using Ktor.
• Ensure application performance, memory optimization, and effective debugging across both platforms.
• Collaborate closely with backend, Android, iOS, QA, and product teams to deliver high-quality solutions.
• Participate in code reviews, technical discussions, and architecture decisions.
• Manage app deployment processes, including App Store and Play Store submissions, certificates, signing, and provisioning profiles.

Required Skills & Qualifications

• 4+ years of professional experience in mobile application development.
• Strong hands-on experience with Swift & iOS SDK and Android SDK.
• Mandatory hands-on experience with Kotlin Multiplatform Mobile (KMM) and Compose Multiplatform (CMP).
• Solid understanding of mobile app architectures such as MVC and MVVM.
• Experience with REST APIs, JSON parsing, and Ktor for networking.
• Good knowledge of performance optimization, memory management, and debugging techniques.
• Familiarity with app publishing processes, certificates, code signing, and provisioning profiles.
• Ability to work independently and deliver within timelines.
• Strong communication and collaboration skills.

Preferred Candidate Profile

• Immediate joiner or candidates available on short notice.
• Experience working in agile or fast-paced product environments.
• Strong problem-solving and analytical mindset.

Position: Senior React Native Developer (4- 7 years)

Location: Remote (Company in Mumbai)

Company: Big Rattle Technologies Private Limited

Immediate Joiners only.

Summary:

We're looking for a seasoned React Native developer who has shipped production-grade mobile apps on both iOS and Android — ideally in the high-traffic, high-stakes world of e-commerce. You'll own the mobile experience end-to-end: architecture, performance, and flawless UX across devices.

Note: We are looking for a senior expert who has delivered multiple apps that are built from scratch and hosted on Apple Store/ Play Store i.e. e2e lifecycle.

KEY RESPONSIBILITIES

• Design and build scalable React Native apps for both iOS and Android from scratch to App Store / Play Store deployment.
• Architect complex e-commerce flows — product catalogues, cart, checkout, payment gateway integration, and order tracking.
• Optimize app performance: reduce TTI, maintain smooth 60fps animations, and manage memory on low-end devices.
• Integrate REST and GraphQL APIs; manage state with Redux Toolkit, Zustand, or React Query.
• Implement push notifications, deep linking, in-app navigation, and offline-first strategies.
• Write clean, well-tested code; maintain CI/CD pipelines using Fastlane, GitHub Actions, or Bitrise.
• Collaborate with designers, backend engineers, and product managers in Agile sprints.
• Conduct code reviews and mentor junior mobile developers.

Required Skills:

Core Mobile

▸ React Native CLI & Expo

▸ TypeScript

▸ React Navigation v6+

▸ iOS (Swift basics) & Android (Kotlin basics) ▸ Xcode & Android Studio

E-commerce & Integrations

▸ Product / Cart / Checkout flows

▸ Razorpay, Stripe, PayPal SDKs

▸ Wishlist, search UX, filters

▸ Order tracking & delivery status

▸ Push notifications & deep linking

State & Data

▸ Redux Toolkit / Zustand

▸ React Query / SWR

▸ REST & GraphQL APIs

▸ AsyncStorage / MMKV

▸ Firebase Realtime DB / Firestore

DevOps & Tooling

▸ Fastlane & GitHub Actions / Bitrise

▸ Jest (unit) & Detox (E2E)

▸ Firebase Crashlytics & Sentry

▸ Flipper / Reactotron

▸ App Store & Play Store deployments

Nice to Have skills: New Architecture · RN Web · AR try-on · RTL support · Shopify SDK · WCAG · Maps SDK

• React Native New Architecture (JSI / Fabric / TurboModules)
• React Native Web or monorepo setups (Nx, Turborepo)
• AR product try-on experiences (ARKit / ARCore)
• Shopify Storefront API or WooCommerce SDK experience
• Accessibility (WCAG mobile) implementation
• Live order-tracking maps (Google Maps / Mapbox)

Required Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related technical field.

Why should you join Big Rattle?

Big Rattle Technologies specializes in AI/ ML Products and Solutions as well as Mobile and Web Application Development. Our clients include Fortune 500 companies. Over the past 13 years, we have delivered multiple projects for international and Indian clients from various industries like FMCG, Banking and Finance, Automobiles, Ecommerce, etc. We also specialise in Product Development for our clients.

Big Rattle Technologies Private Limited is ISO 27001:2022 certified and CyberGRX certified.

What We Offer:

• Opportunity to work on diverse projects for Fortune 500 clients.
• Competitive salary and performance-based growth.
• Dynamic, collaborative, and growth-oriented work environment.
• Direct impact on product quality and client satisfaction.
• 5-day hybrid work week.
• Certification reimbursement.
• Healthcare coverage.

Job Title: Android Developer

Experience: 4 to 5 Years

Location: Bangalore, Pune, Gurgaon, Chennai, Bhopal, Jaipur

Work Mode: Hybrid (2-3 Days Work from Office)

Notice Period: Immediate joiners preferred

About the Role

We are seeking a skilled and passionate Android Developer with 4-5 years of hands-on experience to join our mobile development team. The ideal candidate should have solid experience in building native Android applications using Java and Kotlin, with a deep understanding of Android SDKs and design patterns. You will be working in a collaborative environment on scalable and user-centric mobile apps for various domains.

Required Skills

• Strong experience in Android Development using Java and Kotlin.
• In-depth understanding of Android SDK, Android Studio, and different Android versions.
• Familiarity with MVVM/MVP architecture, Jetpack components, LiveData, and ViewModel.
• Experience with third-party libraries and APIs (Retrofit, Glide, Firebase, etc.).
• Knowledge of unit testing, debugging, and optimization for performance.
• Understanding of Google’s Android design principles and interface guidelines.
• Strong knowledge of mobile UI/UX standards and guidelines.
• Familiarity with version control tools like Git.

.Key Responsibilities

• Design, develop, and maintain high-performance Android applications.
• Write clean, efficient, and well-documented code in Java and Kotlin..
• Ensure the performance, quality, and responsiveness of applications.
• Identify and correct bottlenecks and fix bugs.
• Work on continuous improvement of application performance and user experience.
• Integrate RESTful APIs and third-party services.
• Participate in code reviews and mentor junior developers.

Mandatory Requirement

• Valid Passport is a must. Candidates without a valid passport will not be considered.

Why Join Us?

Be a part of an innovative team where your work directly impacts user experience at scale. Work in a hybrid environment that promotes both productivity and flexibility, with exposure to international projects and cutting-edge technologies.

Job Description: As an Android Developer at [Company Name], you will be responsible for designing, developing, and maintaining Android applications. You will leverage your expertise in Java and Kotlin to create robust and user-friendly mobile solutions. Your role will involve working closely with cross-functional teams to deliver high-quality applications that meet our users' needs.

Key Responsibilities:

• Application Development: Design, develop, and maintain Android applications using Java and Kotlin.
• Code Quality: Write clean, maintainable, and efficient code, following best practices and coding standards.
• Collaborate: Work closely with product managers, UX/UI designers, and other developers to define and implement new features.
• Debugging and Testing: Identify, debug, and resolve technical issues and perform unit testing to ensure application quality.
• Performance Optimization: Optimize application performance and ensure scalability and reliability.
• Stay Updated: Keep up with the latest industry trends, technologies, and best practices in Android development.
• Documentation: Create and maintain documentation for code, development processes, and system architecture.

Required Skills and Qualifications:

• Android Development Experience: 4 years of hands-on experience in Android application development.
• Java Expertise: 4 years of experience with Java, including knowledge of Android SDK and core libraries.
• Kotlin Proficiency: 2 years of experience with Kotlin for Android development.
• Android Studio: Proficiency in using Android Studio and related development tools.
• APIs and Integration: Experience integrating with RESTful APIs and third-party libraries.
• UI/UX: Understanding of Android UI/UX design principles and guidelines.
• Problem-Solving: Strong analytical and problem-solving skills, with the ability to troubleshoot and resolve issues efficiently.
• Communication: Excellent verbal and written communication skills.

Android Developer

Ability to design and implement and maintain highly complex systems and
subsystems.
● Writing well-designed, testable and efficient code.
● Designing and developing advanced applications for the Android platform.
● Working as a part of a dynamic team to deliver winning products.
● Troubleshoot, debug and optimize existing applications
.
Requirements:
● Bachelor's degree in Computer Science, related technical field or equivalent
practical experience
● Strong logical and analytical skills
● Should be adaptable and fast learner
● Experience in computer science, data structures, algorithms and software design.
● Experience in Software Development and coding in any general purpose
programming language.
● Should have an interest in android development

Location: Noida

Responsibilities:
1. Understanding the scope of work
2. Working with the design, programming & testing team on project estimates & timelines
3. Coordinate with team to build assets to be used within the mobile application
4. Build Application static flows using React Native with Redux
5. Integrate JSON web services
6. Working with the tester to fix bugs reported by the testers
7. Building and deploying the application to the app store

Requirements:
1. Understanding of the Mobile Application Development lifecycle
2. Hands-on experience with React Native
3. Experience with Redux or Flux or MobX
4. Understanding of Advanced JavaScript – ES6
5. Understanding of Flexbox
7. Understanding of iOS/Android module integration
8. Deploying iOS and Android apps on Apple Appstore and Android Play Store.
9. Ability to work in an Agile environment