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.

React Native Developer (Full-Time)

📍Work from Office – Malad, Mumbai

We are hiring a React Native Developer for Websites.co.in, a platform used by millions of businesses to create their websites in minutes. You will build and improve our mobile experience used by small business owners globally.

Your role:

• Build and maintain mobile apps using React Native
• Implement clean, reusable components and UI screens
• Integrate REST APIs and handle JSON data efficiently
• Work on app performance, loading speed, and smooth UX
• Debug issues, fix crashes, and improve app stability
• Collaborate with product, backend, and QA teams to ship features
• Participate in testing, code reviews, and release cycles

What we expect:

• Strong understanding of JavaScript and React Native basics
• Familiarity with navigation, state management, and component lifecycle
• Hands-on experience with APIs, third-party libraries, and async storage
• Knowledge of Git for version control
• Problem-solving mindset and ability to work independently
• Bonus: experience with Redux / Context API, Android or iOS builds, or publishing apps
• 0–3 years of experience (freshers with good projects can apply)

What you get:

• Real ownership on a live, large-scale SaaS product
• Fast-paced growth environment with hands-on learning
• Opportunity to grow into a core mobile or full-stack role

We’re Hiring: React Native Developer Intern

Duration: 1-3 months (Paid internship)

Start Date: Immediate

Location: We are based in Hong Kong but this role is remote so you can work anywhere in the world.

We are looking for a student intern React Native Developer who will be working very closely with our founding engineer to polish and improve the current product.

Key Requirements:

•⁠ ⁠Hands-on experiences with React Native and Expo

•⁠ ⁠Familiar with Firebase (Firestore, Auth, Cloud Functions) and Google Cloud Platform

•⁠ ⁠Good knowledge of Node.js

•⁠ ⁠Able to debug and maintain existing mobile app

•⁠ ⁠Experience launching iOS and Android apps

•⁠ ⁠Good understanding of AI integration in an cost effective manner (DeepSeek experience is a plus)

•⁠ ⁠Bonus: experience with Next.js and Tailwind CSS

•⁠ ⁠Good communication and can work independently

Work Mindset:

•⁠ ⁠Comfortable with an intensive workload and delivering under tight deadlines—Memora’s pace is fast, and we expect you to keep up.

•⁠ ⁠Push Impossible Limits. We don’t want “it’s too hard” or “it can’t be done”—we want you to explain why it’s challenging, why it’s risky, and quantify it so we can decide together if it’s a risk worth taking.

•⁠ ⁠Ability to prioritize and execute in a high-pressure, early-stage startup environment.

Why Join Us?

Our mission to solve forgetfulness is our core driving force. What began as a personal frustration we faced, turns out to be a universal and growing problem everyone can relate to: forgetfulness in our daily life. Forgetfulness may seem like a minor inconvenience, but we believe it is a silent epidemic affecting everything from productivity, well-being, and mental clarity; and only worsens as we age. You have a chance to be an early member in a startup. Expect long hours, tough challenges, and the thrill of building something impactful from scratch. We’re here to push boundaries, and we want you to grow with us—learning, improving, and succeeding together.

Values of Memora:

Belief in Yourself – Every success story starts from somewhere. Regardless of your background or starting point, what truly matters is your unwavering belief in your potential. Embrace the mindset that your journey is about proving something to yourself, not to others. Even when you're not the most knowledgeable in the room, hold fast to the conviction that you have the potential to overcome challenges and achieve greatness. This belief drives you to push your limits and continuously learn, becoming the best version of yourself.

Humility in Success and Growth – Recognize that pride can be the greatest obstacle to progress. The philosophy here is to remain grounded both before and after success. By keeping your ego in check and being open to learning, you create room for personal and professional growth while valuing the contributions of others.

Selfless Team Mindset – Understand that no one can succeed alone. Your strength and progress are connected with those of your team. By surrounding yourself with people who elevate and inspire you, you contribute to a culture where collective success is celebrated. Our achievements are the result of shared effort, not individual success.

Mission-Driven Work Ethic – Let the impact and vision of our mission be the force that propels you forward. You don’t need external pressure to push you; instead, your internal drive and passion for what we’re building are what fuel your dedication. This mindset of continuous improvement and relentless commitment to our goals is at the heart of everything we do.

We are reviewing on a rolling basis. Successful candidates will receive an email invitation to online interviews. We’re excited to hear your story.

Platform they will work on: Building multiple tech offerings for the customers.

Job Description: Should be someone who has done iOS mobile development with React Native. Should have a startup mindset and be able to build for scale. The ideal candidate would be someone with Founding Engg etc. experience.

YoE: 4-6 years

• Create and maintain mobile applications.
• Contributing to the development of project schedules and workflows.
• Recommending changes and enhancements to applications.
• Work from UI/UX requirements, APIs and mock-ups to build functional and high-performance applications.
• Keep abreast of the latest technology for mobile applications.
• Work with other developers to brainstorm new applications.
• Create UI tests to source analytics.

Software Developer - React Native Developer

Job Description

A major part of our work at Cobold Digital LLP is getting businesses online. We provide efficient solutions to our clients in the fields of Website Design & Development & Website Maintenance. If you wish to work with a wide array of clients that depend on you to represent them online, our Website Development team is the right place for you.

We are looking for an experienced top-notch React Native Developer to grow with our dev team. As a React.js Developer, you will be involved from conception to completion with projects that are technologically sound and aesthetically impressive. 

Responsibilities

• Work as part of a small team to build React Native Applications for our clients.
• Architect, Build and maintain excellent React Native applications with clean codes.
• Implement pixel-perfect UI’s that match designs.
• Implement clean, modern, smooth animations and transitions that provide an excellent user experience.
• Integrate third-party APIs.
• Write unit and integration tests.
• Release applications to IOS and Android platforms.
• Work with Native modules when required.
• Assist with building estimates.
• Attend daily standups
• Interact clients via google meet, Zoom, and Emails.
• Work with Modern tools like Jira, Bitbucket, Google Docs, etc.

Requirements 

• 2+ years of Profession experience working with React Native.
• 3+ years of experience as Software Developer
• Experience with Swift,Objective C and Java is a plus but not required
• Must have experience on a large complex system
• Ability to take ownership of your work.
• Ability to manage multiple projects
• Undertaking of React Native best practices.Experience with JavaScript
• Experience with REACT
• Experience with HTML / CSS
• Experience with REST API's
• Git knowledge is a plusTeam player 
• Good time-management skills 
• Great interpersonal and communication skills

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.

Responsibilities:

1. Build pixel-perfect, buttery smooth UIs across both mobile platforms.
2. Leverage native APIs for deep integrations with both platforms.
3. Diagnose and fix bugs and performance bottlenecks for performance that feels native.
4. Reach out to the open-source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
5. Maintain code and write automated tests to ensure the product is of the highest quality.
6. Transition existing React web apps to React Native.

Dear Candidates,
Greetings!!
We are hiring React Native developer

Required Skills:

• Proven development experience on smartphone platforms.
• Hands-on experience on React Native Framework, including React JS, React Native, and JavaScript.
• Extensive programming experience with at least one programming language such as Swift, Java, JavaScript.
• Deep familiarity with iOS or Android development.
• Familiarity with RESTful APIs
• Familiarity with code versioning and CI/CD tools like Git, SVM, Jenkins.
• Must have worked on at least one app that is published in AppStores.

Bonus: 

• Experience in Objective-C, Swift, and Cocoa Touch.
• Good Knowledge of HTML5, CSS.
• Extensive experience with iOS Frameworks such as Core Data and Core Animation.
• Knowledge of Apple’s design principles and application interface guidelines.

What you need to have: