React Native Developer

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.

Key Responsibilities

• Design and develop high-performance, user-friendly mobile applications using React Native
• Collaborate with cross-functional teams to define, design, and ship new features
• Write clean, scalable, and efficient code following best practices
• Integrate third-party APIs, native modules, and libraries
• Debug and resolve application issues and performance bottlenecks
• Handle end-to-end app deployment on Play Store and App Store
• Stay up to date with the latest trends in mobile development

Urgently Hiring React-Native App developer.

Job Location : Indore ( work from Office)

Experience needed : minimum 6 months needed ( Strictly No fresher please)

******

1) React-native developer must have expertise in designing as well as development with latest expo cli.

2) Must have expertise in json parsing with web services to make dynamic app.

3) Must have completed some fully dynamic React-native app.

4) He or she can work individually or in a team , immediate joiner will be preferred as we need on urgent basis.

*****

..***..

Urgent Hiring !!!

We are looking for Flutter Developer,

1+ years of experience in developing native and cross-platform mobile applications

Experience in one of the programming languages: (Java and Kotlin (Android) Swift and Objective-C (iOS))

React Native (hybrid development)

Knowledge of Flutter SDK, Getex, Provider, Android Studio and IntelliJ, Visual Studio Code,

SQLite, MySQL, and PostgreSQL databases

REST APIs

Experience with Git and Jira

Familiarity with Agile development approaches

Experience: 1 to 2 years

Location: Surat (onsite & fulltime)

• You will be building and shipping robust apps to Android/ iOS devices using a single codebase.
• You will be writing readable and clear code using Dart that will be extensively documented for future use and upgrades.
• You will be sharing feedback and brainstorming ideas with teams to improve the development process.
• Understand basic concepts of design for developing user friendly applications.
• Stay up to date with the latest technologies.

We are looking for a React Native developer who can build a performant mobile app on both the iOS and Android platforms. We’re looking to take our dashclicks.com web app and turn portions of it into an amazing mobile app.

You will be responsible for architecting and building this app, 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.

Responsibilities:

• Transition existing React web apps to React Native.
• Build pixel-perfect UIs across both mobile platforms (iOS and Android).
• Design and develop highly complex application components, and integrate software packages, programs and                reusable objects 
• Leverage native APIs for deep integrations with both platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Make use of additional JavaScript libraries such as Redux to make asynchronous API calls as well as improve the           performance of the apps
• Perform real-time monitoring and fixing crashes.
• Plan the data and presentation layer of the applications’ front-end Implement pixel-perfect UI's that match designs.    
•  Implement clean, modern, smooth animations and transitions that provide an excellent user experience.
• Write unit and integration tests. Work with native modules when required.

Skills:

• 3+ years of experience in React Native (iOS and Android).
• Have a deep knowledge of Redux architecture
• Must have worked with Firebase Database and Firm grasp of the JavaScript language and its nuances, including ES6+ syntax
• Strong understanding of back-end and front-end technologies such as NodeJS, React.JS, Web Socket, Pub-Sub, TypeScript, HTML5, CSS and CSS-In-JS.
• Knowledge of object-oriented programming
• Ability to write well-documented, clean JavaScript code
• React assumptions concepts like Virtual DOM, JSX, Component State and component lifecycle 
• Rock solid at working with third-party dependencies and debugging dependency conflicts
• Familiarity with native build tools, like XCode, Gradle, Android Studio, IntelliJ
• Understanding of REST APIs, the document request model, and offline storage
• Knowledge of monitoring tools like crash reporting and analytics
• Knowledge of functional or object-oriented programming
• Experience with automated testing suites, like (Jest or Mocha)
• Understanding of mobile UI frameworks like Native Base, UI Kitten, Material Kit etc.
• Experience implementing authorization and authentication workflows using JWT, OAuth2 etc.

Things that make us the World’s leading white-label marketing software development company:

• We do not outsource any of our fulfillment services.
• We offer a fully white-labeled dashboard allowing our users’ clients to log in and see their accounts’ progress.
• We offer educational and prospecting tools to help businesses generate growth and revenue.

What do we bring to the table?

• Competitive base pay and benefits package with exciting growth plans.
• A chance to work with professionals across various areas of expertise on a product loved by 30,000+ marketing agencies worldwide.
• 9 hours a day & 5 days a week working structure.
• A chance to learn & grow in a fast-paced environment, driving transformational growth for our brand.
• Fully remote work offers you the chance to balance your professional and personal life.

Come join us on this journey, we're looking forward to talents like you.

• Must have at least 1 years experience in front-end development.
• Knowledge of Javascript /React Native / Redux .
• Loves writing code, actively experimenting along with learning new things.
• Passionate about Frontend Development and continually follow the platform & innovations.
• Have an eye for good UI/UX -Proficient with algorithms and data structures. -Keen on problem solving and able to perform in a start-up culture with challenging deadlines

Responsibilities:

• Develop and maintain the partner(fleet) application.
• Sit with the core team to learn and address various complications through tech.
• Attend meetings to understand the intricacies of the business and implement quick features/automation to improve the application.

Requirements:

• If you can develop flutter applications, then go ahead and click Apply. Added Advantage - If you have experience in MERN stack.