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Senior React Native Developer
Senior React Native Developer
Big Rattle Technologies's logo

Senior React Native Developer

Janhavi Yadav's profile picture
Posted by Janhavi Yadav
4 - 7 yrs
₹12L - ₹16L / yr
Remote only
Skills
skill iconReact Native
skill iconSwift
skill iconKotlin
TypeScript

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.


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About Big Rattle Technologies

Founded :
2012
Type :
Services
Size :
20-100
Stage :
Profitable

About

Big Rattle Technologies Mobile App Development (iOS, Android, Windows Mobile) Company in India. We also offer Web Development, Social Media (SMO) services & Internet Marketing (SEO) services.
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Company Profile

 

Flora2000 was established in 1999 by Mr. Rehan Yar Khan (Founder & CEO) as an online floral & gift retailer and extended its delivery services across the globe. It is the leader and pioneer of the concept of flowers and gifts in over 190 countries worldwide. Flora2000 passionately strives to be the largest premium-gifting leader with flowers, gifts, cakes being the core verticals driven by people first approach and innovation in all spheres of business.

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The current team comprises of 15 people.

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Please visit Flora2000.com for more information

 

 





The Role


Responsibilities:

We are looking for an Android developer responsible for the development and maintenance of Hybrid applications aimed at a vast number of diverse devices. The primary focus will be the development of Android applications and their integration with back-end services.

We expect the Developer will have a broad experience at Flora2000 and will play a unique role in the organization.

·         Write “clean”, well-designed code

·         Develop and deploy new features to facilitate related procedures and tools if necessary

·         Design and build advanced applications for the Android platform

·         Identify and correct bottlenecks and fix bugs

·         Help maintain code quality, organization, and automatization

·         Ensure smooth operations of web processes and infrastructure

·         Work on bug fixing and improving application performance.

·         Contribute in all phases of the development lifecycle

·         Follow industry best practices Create regular and ad hoc reports.

 

 

 

 

Requirements: Attributes, Experience

 

·         4  to 7 Yrs experience.
          Strong knowledge of Flutter.

·         Strong knowledge of Restful Apis

·         Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes

·         Good grasp of data structures and algorithms.

·         Familiarity with RESTful APIs to connect Android applications to back-end services

·         Strong knowledge of Android UI design principles, patterns, and best practices

·         Familiarity with cloud message APIs and push notifications

·         Detail-oriented, proactive and self-motivated.

·         Team player with ability to work effectively.

 


A great career

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Our work culture

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Academics

B.Tech / B.E.

 

 

Position Reports to

 Technology Head

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I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
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