iOS App Development
Swift
Objective CMandatory: Hands on experience working with Swift 3 , Swift 4. Very strong logical skills. Good hold on operating system concepts and data structure. Experience with web services , core-data , camera kit , image caching concepts, keychain , past experience working with one of the design patterns like MVC / MVVM / Viper , network check.
Good to have: Rx-Swift experience , video / image filter experience , media player usage , complex UX effects , couch-db , RealM.Knowledge of GIT management , Continuous Integration and Continuous Development practices.
Soft Skills: Strong communication skills , high spirited , eager to learn , able to perform in a high pressure environment
Shubham Vishwakarma
Full Stack Developer - Averlon
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React NativeSwift
KotlinPosition: 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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android app. The app is built on React Native platform with a common codebase
for iOS and android. The role requires developers to be comfortable with
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Looking for:
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● Curefit runs on ReactJs and React Native. Although prior knowledge of
these technologies are not a must have, a never ending thirst for
learning is. We are really proud of our app development team. We are
doing twice more than any other app out there and with half the
engineers. Come join us and be the most productive you will ever be
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● Engineers at Curefit dont own code. They own features and
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● Excellent understanding of software design and object oriented
programming principles.
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respective platforms
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iOS App DevelopmentObjective CSwiftiOS Developer:
1+ years of experience in iOS mobile application development
- Proficient with Swift and Cocoa Touch
- Experience with iOS frameworks such as Core Data, Core Animation, Core Location etc
- Experience in Design patterns such as POP, MVVM, CleanSwift, Facade
- Familiarity with RESTful APIs to connect iOS applications to back-end services
- Familiarity with cloud message APIs and push notifications
- Understanding of Apple's design principles and interface guidelines
- Ensure the performance, quality, and responsiveness of applications
- Experience with offline storage, threading, and performance tuning
- Understanding of the full mobile development life cycle
- Understanding of Git
JavaKotlinAndroid Development• Complete ownership of building and maintaining mobile APP.
• Deliver across the entire app life cycle design, build, deploy, test, release to app stores and
support.
• Should be comfortable working on Android (Kotlin/Java).
• Should be comfortable in building a great consumer user interface.
Roles and Responsibilities
• Overall experience of 2-4 years in native Android.
• Android Developer with 2+ years of experience.
• Experience in Android (Android Studio, Java, Kotlin).
• Basic understanding of Backend services, API implementation and database systems.
• We encourage all our devs to have base level of knowledge on DevOps, Source Control, CI/CD
systems, Cloud Services such as AWS, Firebase, GCP
• Ability to implement designs and functionality provided by UI/UX teams
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About us:
DYT - Do Your Thng, is an app, where all social media users can share brands they love with their followers and earn money while doing so! We believe everyone is an influencer. Our aim is to democratise social media and allow people to be rewarded for the content they post. How does DYT help you? It accelerates your career through collaboration opportunities with top brands and gives you access to a community full of experts in the influencer space.
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- Must have Working Experience in a product based organization at least 18 months.
- Good Communication skills must.
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- Candidate should have good knowledge of iOS, Swift, xCode and Git. ● Ability to build complex iOS standalone client applications & user interfaces, design & implementation.
- Experience with iOS Frameworks such as UIKit, Auto-layout using storyboards, etc. ● Knowledge of Apple's design principals, application interface guidelines, and experience with
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- Flexibility to learn, and work with new technologies
iOS App DevelopmentObjective CSwiftResponsible to create and manage iOS Application for both iPhone and iPad using APIs, Third Party SDKs
Required – Swift (MVVM), Objective-C
iOS App DevelopmentSwiftObjective CMandatory: Hands on experience working with Swift 3 , Swift 4. Very strong logical skills. Good hold on operating system concepts and data structure. Experience with web services , core-data , camera kit , image caching concepts, keychain , past experience working with one of the design patterns like MVC / MVVM / Viper , network check.
Good to have: Rx-Swift experience , video / image filter experience , media player usage , complex UX effects , couch-db , RealM.Knowledge of GIT management , Continuous Integration and Continuous Development practices.
iOS App DevelopmentObjective CSwift- 2+ years of hands-on programming experience in building native iOS apps, with deep focus on usability, performance, Core Data and integration with REST APIs & services.
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- Unit/Integration tests
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- Solid understanding of the full mobile development life cycle
- Strong knowledge of data structures, algorithms, and designing for performance UI development with Interface Builder and Code, including Auto Layout
SwiftiOS App DevelopmentObjective CReact Native
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React.jsiOS App Development
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon