Android Lead(Hybrid)

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 description

Role : Mobile Developer - Flutter

Experience :1 yrs +

Technologies : Flutter, Dart, Mobile App Development (Android iOS React Native Ionic), API Integration

Location : Indore

Responsibilities :

- As a Flutter Developer, you will create cross platform apps for iOS and Android using Google's Flutter development framework. The primary focus will be on creating new experiences.

- Work on a category creating, possibly disruptive fintech product in early stages

- Working with Mobile App development team to build pretty much everything - features, UI that works across multiple devices and interfaces, app analytics and more

- Translating UIUX designs into code, eye for good UI and UX.

- Write concise, well-documented code

- Ensure the performance, quality, and responsiveness of applications

- App availability across with range of devices and Android iOS version

Required Technical Skills :

- Upto 1 yrs of experience and a track record in building Mobile Applications using native platform (Android andor iOS) or Cross Platform Development framework like React Native, Ionic

- Good knowledge of Flutter, Dart, Material Design

- Knowledge of MEAN MERN stack and Cloud is major plus

- Exposure or experience in Java Kotlin andor Swift

- Work experience in Android Studio xCode is preferred

- Knowledge and understanding of Firebase including Firebase cloud messaging, dynamic linksdeep links, remote configs, crashlytics and analytics

- Experience with third-party libraries and APIs

- Know-how of Unit testing

- Experience with Git or other version control tools

- Understanding of the Agile development life-cycle

Job Types: Full-time/WFO

Location -First Floor Samachar Bhawan Behind Dainik Bhaskar office press Complex AB Road, Indore(M.P.) 452001

About us:

Do Your Thng (DYT) is a creator community platform with an overarching vision to democratise influence and build a thriving creator community. We offer two solutions. An app for creators that helps them make a living out of content creation. And a self-serve web desk module for marketers to execute influencer campaigns in a quick, frictionless, targeted, and economically attractive manner.

• 2-4years of experience as an iOS developer. 
• Must have Working Experience in a product based organization at least 18 months.
• Good Communication skills must. 

• Understanding the project requirement intuitively and providing proper time estimation.-Always read for troubleshooting in all important projects. ● Experience in accessing data as JSON/XML using REST API. 
• Candidate should have good knowledge of iOS, Swift, xCode and Git. ● Ability to build complex iOS standalone client applications & user interfaces, design & implementation. 
• Experience with iOS Frameworks such as UIKit, Auto-layout using storyboards, etc. ● Knowledge of Apple's design principals, application interface guidelines, and experience with 
• AutoLayout. 
• Good communication skills with the ability to work in a highly-collaborative, agile team 
• Strong analytical and problem-solving skills 
• Flexibility to learn, and work with new technologies

• Designing and developing an advanced application for the IOS

• Unit-testingcode for robustness, including edge cases, usability, and general reliability

• Bug fixing and improving application performance

• Design and build advanced applications for the iOS  platform

• Collaborate with cross-functional teams to define, design, and ship new features

• Work with outside data sources and APIs

• Design, build, and maintain high-performance, reusable,and reliable objective-C/Swift

• Help maintain code quality, organization,and automation

• Work with product managers and other stakeholders to provide technical requirements

• Troubleshoot and fix software defects using an issue tracking system

• Perform code reviews with other developers

• Driving key technology decisions with the team
• Collaborating with various stakeholders to plan for the successful rollout of projects
• Working closely with the team to develop and test the product features to ensure its in line with the organizational and end user requirements
• Maintaining code and writing automated tests to ensure the product is of the highest quality
• Managing project priorities, deadlines and deliverables

What you need to have:

• 6-9 years of relevant experience in Android development
• Ability to design applications around Android recommended user interfaces and design principles
• Expertise in MVC or MMVM architecture
• Knowledge of OOPs concept
• Prior experience in android jet-pack
• Knowledge of SQL
• Hands-on experience in UI designing    

We are looking for a strong mobile app developer who welcomes both engineering and maintenance tasks. The primary focus will be to implement new user interfaces and features together with automated unit and integration tests.

You will be working with our candid and collaborative team, where your knowledge and advice about application architecture and the newest mobile technologies will be highly appreciated. The code you write will need to be cleanly organized and of the highest quality. You’ll also help ensure solid application performance and an excellent user experience.

Responsibilities

- 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

- Strong knowledge on LAMP Stack and Python

Skills

- 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 Android & iOS

- Proficiency with writing automated tests in JUnit, Espresso, Mocha, Jest, Enzyme, XCTest, etc.

- Familiarity with RESTful APIs and mobile libraries for networking, specifically - Retrofit, axios, Alamofire, etc.

- Familiarity with the JSON format

- 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/Objective-C/JavaScript/Python

- Proficiency in Django & NoSQl

Android Developer:

Our Android stack includes Java and libGDX, the code base is designed using Clean Architecture.  It is a multi module application and supports both 'application' and 'library' project mode.

EXPECTATIONS:

● Writing efficient android code in Java and Kotlin following Clean Architecture guidelines

● Tracing, benchmarking and profiling android java code

● Familiarity with popular android libraries/methods like Dagger2, RxJava2, OkHTTP.

● Familiarity with latest android platform changes.

RESPONSIBILITIES:

● Work closely with our product and design teams to customize the Poker experience across our  vendor platforms.

● Prototype new and redesign features

● Strong coding abilities and experience with Kotlin, Java and Android SDK

● A focus on UI design principles, hardware acceleration and making games work intuitively

● Contribute best-in-class programming skills to develop highly innovative, consumer-facing

mobile products.

MINIMUM QUALIFICATIONS

● Experience of building Android applications/Games in Java or Kotlin using Android SDK (Kotlin preferred)

● Good knowledge of Kotlin, Dagger2 and RxJava2 is a great plus

● Strong understanding of object-oriented software development

● Understanding of large and complex code bases, including API design techniques to help keep them clean and maintainable.

● Programming experience using any game engine (libGDX preferred)

● Knowledge of multithreading and memory management specific to mobile devices and caching mechanisms

Zobaze is an early-stage startup, based out of THUB, Hyderabad.

Experienced developers who can develop Mobile Applications using Flutter.

Work closely with founders on building product.

Requirements -

Strong Knowledge on Dart

Experience in building Apps with flutter

Product mindset, ability to take product manager hat if required in the future.

Have to do multiple tasks if required

Stock Options ( ESOP )

Note: It's not a 9to5 job.

Lot to learn.