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.

Role:

• You will be a guide in the entire application lifecycle including research, design, development, testing (dev owns quality), along with continuous deployment and delivery
• You will apply the latest technology thinking from our tech radar, adopt best design practices to solve complex problems and ensure our product is the best in usability.
• You will analyze business, technology challenges and suggest solutions

This opportunity is for you if,

• 4 to 6 years overall experience, 2 to 3 years experience in React Native
• You have experience with building and shipping React Native powered products at scale using Redux/MobX frameworks Android (Java) and iOS (Swift) background
• You have experience in building, deploying, and monitoring changes to critical user flows without disrupting the customer experience and business
• You have the capability to execute rapidly and efficiently in an unstructured entrepreneurial environment
• You have experience with architecture and implementing component-based UI frameworks and design systems
• You have experience working on small, fast-moving teams Understanding of CS fundamentals and how they apply in a front-end engineering scope
• You have knack for writing clean, readable, re-usable code
• You are a great analytical & logical thinker and someone who loves solving problems

Job Description

• Architect, build and maintain excellent React Native applications with clean code.

Roles and Responsibilities

• Work as part of a small team to build React Native iOS / Android applications for clients

• Implement pixel-perfect UI's that match designs.

• Implement clean, modern, smooth animations and transitions that provide an excellent user experience.

• Integrate third-party API's.
• Release applications to iOS and Google Play stores.
• Work with native modules when required.

• Complete two week sprints and participate in sprint retrospectives and daily standups.

• Assist with building estimates.
• Interface with clients via Slack, Zoom, and email.

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/

• Opportunity to work on highly challenging international projects.
• Opportunity to travel & work with International clients.
• Flexible and friendly work environment
• Great organisational culture, focus on employee's well-being.
• Work-life balance.
• Be part of the best place to work for certified company

Founded in 2007, Accolite Digital India Pvt Ltd, is focused on serving Fortune 500 Customers in Healthcare, Banking and Financial Services, Telecommunications, and Automotive Verticals. The company is laser focused on producing the best technical talent in these Verticals and solving the most complex technical and business problems. Accolite is a cutting-edge information technology services and product development company headquartered in Dallas, Texas, with four development centers in Bangalore, Delhi, Hyderabad, and Coimbatore, India.

We have rapidly grown over the last few years to 1800+ people across the globe and continue to hire the top technical minds for our expanding customer base.

Job Description

• Have five or more years of experience as a mobile software engineer
• Have deep knowledge of iOS development with Objective-C and/or Swift or deep knowledge of Android development with Java/Kotlin
• Deep knowledge of profiling and instrumentation of mobile applications
• Experience launching and maintaining apps in PlayStore and/or AppStore
• Experience building mobile apps in React Native is a big plus, or experience with React.

Required Skills

Simultaneously develop app and target for both Android and iOS using third party SDKs and APIs

Required – React Native, Firebase Integration, Third Party SDK integrations

We are looking for a React Native developer 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.

What will you work on?

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.
Do you fit in?

1+ years of experience in React Native

• Ability to write well-documented, clean JavaScript code
• Familiarity with native build tools, like XCode, Gradle
• Understanding of REST APIs, the document request model, and offline storage
• Meaningful experience working on large, complex systems
• Ability to work through new and difficult React Native issues and contribute to libraries as needed
• A positive mindset and can-do attitude.
• Ability to create and maintain continuous integration and delivery of React Native applications.

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

Qualifications

• Desire to work in a startup environment, able to self-manage and work remotely
• Must have built apps on Android and/or iOS apps with Flutter/ React Native/ Xamarin/ Ionic/cordova etc
• Proven working experience in software development
• Working experience in mobile development
• Have published one or more mobile apps in Google Play or App Store
• Experience with third-party libraries and APIs
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
• Solid understanding of the full mobile development life cycle, including automated testing and building
• Experience working in an agile development process
• Be proficient in using version control and continuous integration, with tools such as Git and Jenkins.
• Write clear, maintainable and testable code