iOS 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.

Loyalty Juggernaut Inc. (LJI) is a Silicon Valley-based product company, founded by industry veterans with decades of expertise in CRM, Loyalty, and Mobile AdTech. With a global footprint spanning the USA, Europe, UAE, India, and Latin America, we are trusted partners for customer centric enterprises across diverse industries including Airlines, Airport, Retail, Hospitality, Banking, F&B, Telecom, Insurance and Ecosystem.

As pioneers in next-generation loyalty and customer engagement solutions, we are not just transforming loyalty—we are redefining it. With a passion for innovation and a commitment to excellence, LJI is reshaping the loyalty landscape, enabling enterprises to create meaningful, long-lasting relationships with their customers. We are THE JUGGERNAUTS, driving innovation and impact in the loyalty ecosystem.

At the core of our innovation is GRAVTY®, a revolutionary Digital Transformation SaaS Product that empowers multinational enterprises to build deeper customer connections. Designed for scalability and personalization, GRAVTY® delivers cutting-edge loyalty solutions that transform customer engagement across diverse markets.

Our Impact:

• 400+ million members connected through our platform.
• Trusted by 100+ global brands/partners, driving loyalty and brand devotion worldwide.

Proud to be a Three-Time Champion for Best Technology Innovation in Loyalty!!

Explore more about us at www.lji.io.

Loyalty Juggernaut is seeking a talented and enthusiastic iOS Mobile Engineer(iOS) with 0-4 years of experience to join our dynamic team in Hyderabad. As a Mobile Engineer (iOS), you will play a key role in designing, developing, and maintaining high-quality mobile applications for iOS platforms. Strong collaboration and communication skills are essential, as you will work closely with various in-house teams, including product management, design, and backend engineering, to deliver exceptional user experiences.

What you will OWN:

• Develop and maintain iOS applications using Swift.
• Collaborate with designers, product managers, and backend developers to build intuitive and user-friendly applications.
• Ensure application performance, quality, and responsiveness.
• Implement clean, maintainable, and scalable code.
• Troubleshoot, debug, and resolve technical issues.
• Stay up-to-date with the latest trends and technologies in iOS development.

You will make a GREAT FIT if you are from Hyderabad and if you have:

• Bachelor's degree in Computer Science, Information Technology, or related field.
• 0-4 years of hands-on experience in iOS application development.
• Strong proficiency in Swift, Xcode and iOS SDK
• Experience in leading technical teams and mentoring developers.
• Proficient in building applications using SwiftUI and UIKit.
• Understanding of UI/UX design principles.
• Extensive experience with CoreData and Core Location.
• Solid understanding of design patterns and mobile architecture.
• Experience with RESTful APIs and third-party SDKs like Firebase.
• Strong knowledge of Unit Testing and Test-Driven Development (TDD).
• Experience in working with CI/CD tools like Jenkins, CircleCI, and scripting tools like Fastlane.
• Excellent problem-solving and analytical skills.
• Effective communication and leadership abilities.

Bonus Skills:

• Experience with Jetpack Compose.
• Knowledge of modularization & clean architecture.
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• Exposure to Firebase (Crashlytics, Analytics, Firestore, Remote Config).
• Understanding of A/B Testing & Feature Flagging.
• Experience with third-party SDKs & analytics tools (Amplitude, Mixpanel, Segment, etc.).
• Knowledge of Flutter development to contribute to cross-platform apps when needed.

Why Choose US?

• This opportunity offers a dynamic and supportive work environment where you'll have the chance to not just collaborate with talented technocrats but also work with globally recognized brands, gain exposure, and carve your own career path.
• You will get to innovate and dabble in the future of technology -Enterprise Cloud Computing, Blockchain, Machine Learning, AI, Mobile, Digital Wallets, and much more.

You can unlock this opportunity soon by applying for this position.

Key Skills required

1. Understanding of the entire Mobile Application Development lifecycle

2. Solid experience of 2 years + in building Native Swift based iOS applications

3. Excellent knowledge of iOS specific user interfaces, user experiences and guidelines

4. Working experience with MVC and MVVM architectures

5. In depth knowledge of iOS specific user experiences and human interface guidelines

6. In depth experience in implementing user interfaces for iOS - Auto Layout

7. Hands on experience working with API integration within iOS applications

8. Hands on experience working with 3rd party SDKs, Libraries and APIs

9. Experience with media streaming & playback using AV Player, AV Foundation & AV Capture

10. Experience working with analytical SDKs like Firebase Crashlytics, Branch.io etc

11. Experience with Push Messaging, Local Notifications, Background services

12. Experience in debugging errors and crashes using tools such as Crashlytics or Sentry

13. Experience with Marketing and Attribution SDKs such as Clevertap, Branch and/or Appsflyer

14. Experience in releasing applications to the Apple App Store

15. Ability to work in an Agile environment

16. An inclination towards cross platform technologies such as React Native

ApnaComplex is one of India’s largest and fastest-growing PropTech disruptors within the Society & Apartment Management business.  The SaaS based B2C platform is headquartered out of India’s tech start-up hub, Bangalore, with branches in 6 other cities. It currently empowers 3,600 Societies, managing over 6 Lakh Households in over 80 Indian cities to effortless manage all aspects of running large complexes seamlessly.

If it excites you to - drive innovation, create industry-first solutions, build new capabilities ground-up, and work with multiple new technologies, ApnaComplex is the place for you.

The primary responsibility of this role is to design, develop, and maintain applications individually as well as work in a group. Should work as per the defined project priorities and project schedules and ensure to complete the assigned projects within allotted timelines and develop process improvements to improve system quality and efficiency.

Responsibilities:

• Should design, develop, and maintain applications individually as well as work in a group.
• Should maintain quality and security of the assigned development tasks applying the best design and development guidelines as defined in the project.
• Should work as per the defined project priorities and project schedules and ensure to complete the assigned projects within allotted timelines.
• Must adhere to agile methodologies and the project management followed in the project
• Assist in technical and project risk management and participate in mitigation activities.
• Interact with the team for the day to day development tasks and hurdles.

Must Have:

• Expertise in Objective-C programming language.
• Experience in Swift programming.
• Expertise in Cocoa Touch frameworks.
• Expertise in developing iOS applications.
• Very good experience in designing applications with best suited Design patterns.
• Should have a strong knowledge and experience in using SOLID principles.
• Good knowledge in socket programming, device communication.
• Good knowledge in debugging and optimization tools like Instruments.
• Good knowledge in Push Notifications.
• Good knowledge in generating ipa using different provisioning profiles
• Knowledge in pushing apps to AppStore.
• Knowledge in writing unit test cases.
• Good knowledge in iOS human interface guidelines and coding standards.
• Should have a very good experience in technically mentoring the team and assisting the team when required.
• Very Strong communication Skills and interpersonal skills
• Experience in working in projects run as per Agile Methodology.
• Must have very good analytical abilities and problem solving capabilities.
• 1 year of software development experience

Good to have:

• Good knowledge in Bluetooth programming.
• Good to have knowledge in Audio domain and related frameworks.
• Good to have knowledge in Database tools like Coredata Desired Tools Experiences
• Xcode IDE, Instruments.
• Experience in using client apps for version controlling systems like bitbucket.
• Experience in using UX/UI tools like Figma.
• Experience in Version controlling System (SVN, Github).
• Experience in Bug Tracking System (JIRA, QC etc..)

1. We are looking for Android wizards who can work with designers, product managers to collaboratively own Android development, building responsive and elegant mobile+tablet UIs at Mobishaala. Bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.