iOS Developer Male

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

• RESPONSIBILITIES:

• BASIC SKILLS:

• Contract length: 12 Month

Mandatory Skills:

• Strong skills with Algorithms and Data Structures

• Strong hands-on expertise with Objective-C & Swift.

• Strong knowledge of design principles, patterns, and best practices

• Experience with offline storage, threading, and performance tuning

• Knowledge of Xcode Tools

• Experience working with iOS frameworks such as Core Data, Core Animation, Core and Core Text

• Experience with third-party libraries and APIs

• Solid understanding of the full mobile development life cycle

• Excellent Communication & Problem Solving Skills

Her is what we are looking for

• Strong and up-to-date knowledge of Swift.

• Strong knowledge of Apple Design Principles and Application Interface Guidelines.

• Experience with iOS Frameworks such as CoreData, CoreGraphics, CoreLocation and CoreAnimation.

• Experience with threading and performance tuning.

• Knowledge of Unit Testing, Instruments and Profiling.

• Knowledge of the available open-source libraries and Cocoapods for common tasks.

• Knowledge of VoIP Notifications, CallKit and Payment gateways.

• Familiarity with Real Time Databases like DynamoDB and Firebase.

• Familiarity with cloud message APIs and Push Notifications.

• Familiarity with creating dynamic libraries and modular applications. Write scalable, high-performing and reusable code.

• Knowledge of different Apple Certificates and Profiles.

• Solid understanding of the complete application development lifecycle.

• Proficient understanding of code versioning tools, such as Git.

• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.

Roles and Responsibilities

Create & manage world-class apps that have the potential of reaching millions of users.

Roles and responsibilities include -
1. Addition of new features to existing app and making sure minimal crash rate and ANR
2. Adding new AI models built by the data science team into the android environment 
3. Creating reasonable timelines and making sure delivery is according to planned schedules 

NOTE -

+ Premier institute(s) preferred - but not a requirement for the job.

+ Salary is negotiable based on your skillset

Job Description

We are looking for an iOS/Mac developer responsible for the development and maintenance of applications aimed at a range of iOS devices including mobile phones, tablets and computers. Your primary focus will be development of iOS/Mac applications and their integration with back-end services.

 Responsibilities

• Design and build applications for the iOS/Mac platform
• Ensure the performance, quality, and responsiveness of applications
• Collaborate with a team to define, design, and ship new features
• Identify and correct bottlenecks and fix bugs

Skills

• Experience with Objective-C or Swift and Cocoa Touch.
• Experience with iOS frameworks such as Core Data, Core Animation, Foundation, Web Kit etc.
• Experience with offline storage, threading, and performance tuning
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Experience with third-party libraries and APIs & Other tools SMS, GPS, APNS, Email, XML parsing, GUI, UI designs, writing XML classes, UIKit, etc
• Understanding of Apple’s design principles and interface guidelines
• Experience with performance and memory tuning with tools.
• Familiarity with cloud message APIs and push notifications
• Proficient understanding of code versioning tools (Git or SVN)

Tech Stack :

    SWIFT, CORE DATA, CORE ANIMATION, CFNETWORK, UIKIT, MVVM, MVC FRAMEWORK.

Responsibilities:

• Design, Develop and Deploy 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
• Unit-test code for robustness, including edge cases, usability, and general reliability
• Work on bug fixing and improving application performance
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency
• Bug fixing and improving application performance

Requirements:

• 2+ years of experience in iOS & hands-on exp in Swift.
• This position requires creative ability, detail-orientation, quick problem-solving skills, excellent interpersonal and communication skills.
• Proven software development experience and IOS skills development.
• Proven working experience in IOS app development and Have published at least one original IOS app.
• Experience with Agile development methodology (preferably Scrum), continuous integration and tools (GIT, JIRA etc.)
• Strong Experience with Swift, Cocoa Touch, iOS, and iPhone/iPad applications.
• Proficiency in iOS application development using swift.
• Experience with iOS frameworks such as Core Data, Core Animation, CFNetwork, UIKit etc.
• In-depth Understanding of Apples recommended design principles, interface guidelines.
• Must know about MVVM, also have experience in MVC Architecture.
• Good knowledge of Data Structures.Hands-on experience of development of iOS native app.
• Experience working with remote data via REST and JSON.
• 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.
• Familiarity with cloud message APIs and push notification.
• Must have experience with performance and memory tuning of complex Apps.
• Must have designed custom UIs apart from what Apple provides.
• UI development with Interface Builder and Code.
• Understanding of startup culture.
• Good team player, Quick learner.