iOS App Development
Objective C
SwiftJOB DESCRIPTION:
Design and build application for iOS platforms
Writing well designed, testable, efficient code by using the best software development practices
Responsible for working on iOS frameworks, Xcode, Swift, Rxswift, Xcode SDK Platform tools
Responsible to work on bug fixing and improving application performance
Create and maintain software documentation
Stay plugged into emerging technologies/industry trends and apply them into operations and activities
Shubham Vishwakarma
Full Stack Developer - Averlon
About Matellio India Private Limited
About
As an end-to-end web and mobile app development company, we help businesses create robust, IoT, AI/ ML, and Location-based solutions. Get in touch to book a free consultation!
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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 DevelopmentFlutterReact NativeiOS App DevelopmentSwift- Interact with the Project Managers / Leads / Clients
- Understand the requirements and provide estimates for the planned tasks
- Deliver best quality work without bugs in the estimated time frame
- Help maintain code quality, organization, and automatization
- Collaborate with cross-functional teams to design and release new features
- Help the team to identify and correct bottlenecks, fix bugs
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- Proficient in SwiftUI, Swift, Xcode, Java, Kotlin and Android Studio, Flutter, React Native
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SwiftObjective CiOS App DevelopmentWe are looking for an iOS developer responsible for the development and
maintenance of applications aimed at a range of iOS devices including
mobile phones and tablet computers. Your primary focus will be
development of iOS applications and their integration with back-end
services. You will be working alongside other engineers and developers
working on different layers of the infrastructure. Therefore, a
commitment to collaborative problem solving, sophisticated design, and
the creation of quality products is essential.
Duties and Responsibilities:
-
Design and build applications for the iOS 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
-
Help maintain code quality, organization, and automatization
● Cooperating with the back-end developer in the process of
building the RESTful API
● Communicating with external web services
● Ensuring high performance
Qualifications:
- BE/MCA/MCM/MSc/ME/B-Tech/M-Tech(Computer science) or equivalent
● 2 to 4 years hands-on extensive experience in ios development
Technical skills:
1) Proficient with Objective-C or Swift and Cocoa Touch.
2) Experience with iOS frameworks such as Core Data, Core Animation,etc.
3) Experience with offline storage, threading, and performance tuning.
4) Familiarity with RESTful APIs to connect iOS applications to back-end services.
5) Knowledge of other web technologies and UI/UX standards.
6) Understanding of Apple’s design principles and interface guidelines.
7) Knowledge of low-level C-based libraries is preferred.
8) Familiarity with cloud message APIs and push notifications.
9) Knack for benchmarking and optimization.
10) Proficient understanding of Git.
11) Familiarity with continuous integration.
Android DevelopmentKotlinJavaThis role involves remote work and we are open to both full time and part time work. It requires a basic commitment of 20 hours per week
iOS App DevelopmentObjective CSwift•Injala specializes in creating innovative insurance technology solutions, which are actively disrupting the insurance marketplace. We are constantly growing, multinational company,while continuously providing a dynamic, progressive, and all-around fun environment. Our mission is to make risk management manual data entry and processing a thing of the past. We are a group of like-minded people who strive to create technology solutions that point not only an industry, but an entire generation towards the future.
•We always start with the “why” and work backwards through the “how.” Failing forward is encouraged—this leads to innovation, critical thinking, constant improvement, and intense commitment to quality and excellence. Our culture? Make work and play indistinguishable. Committing to professional and personal development. Keeping diversity at the forefront of our endeavors. Being environmentally conscious. Dedicated to community development through charitable contributions and servant leadership.
•We are a close team of enthusiastic tech and communications advocates who are passionate about what we do and are looking for people who are interested in a ground-floor opportunity with a company poised for tremendous growth.
•We want to discover the next marketing superstar. Do you have what it takes to be get in on the ground-floor of a dynamic, expanding team and make yourself indispensable? Market yourself to us with the same passion you will market our products.
•Design and build applications for the iOS and iPadOS platform•Need to have knowledge of publishing the application.
•Ensure the performance, quality, and responsiveness of applications.
•Collaborate with a team to define, design, and ship new features.
•Identify and correct fix bugs.
•Help maintain code quality, organization, and automatizationSkills.
•Critical thinker who can anticipate potential pitfalls and suggest improvements.
•Proficient with Swift and Cocoa Touch.
•Experience in design patterns.
•Experience in architecture patterns.
•Experience with iOS frameworks such as Core Data, Core Animation, etc.
•Experience with offline storage, threading, and performance tuning.
•Familiarity with RESTful APIs to connect iOS applications to back-end services.
•Knowledge of other web technologies and UI/UX standards.
•Understanding of Apple’s design principles and interface guidelines.
•Knowledge of low-level C-based libraries is preferred.
•Experience with performance and memory tuning with tools.
•Familiarity with cloud message APIs and push notifications.
•Proficient understanding of code versioning tools like Git.
•Familiarity with continuous integration is preferred.
•Familiarity with CoreML, OCR And Tenser-flow is preferred.Personal Attributes.
•A passion for continuous improvement.
•Candidate should be a team player and excellent communicator.
.•Strong interpersonal, problem solving, and organizational skills.
•Self-motivated, quick learner who can manage multiple projects with minimal direction.
•Be a self-driven individual with the go-getter attitude.
•Excellent troubleshooting and communication skills.
•Attention to detail. Educational Requirements:
•Bachelor of Engineering degree in Computer/IT.Benefits:
•Open Door working Culture.
•Early Joining Benefit.
•5 days working.
•Internal Growth opportunities.
•Rewards & Recognitions.
•Events & Festival Celebration.
•Handsome Perks.
•Very good Referral Bonus.
•Flex time policy.
•Maternity Leave benefit.
•No Sandwich Leave Policy.
•Family Medical Insurance.
iOS App DevelopmentSwiftObjective C Job Description for IOS Developer:-
- We are looking for an iOS developer responsible for the development and maintenance of applications aimed at a range of iOS devices including mobile phones and tablet computers.
- Your primary focus will be the development of iOS applications and their integration with back-end services.
- You will be working alongside other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products are essential.
Responsibilities :
- Design and build applications for the iOS 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
- Help maintain code quality, organization, and automatization
Skills :
- Proficient with Objective-C or Swift (depending on project requirements), and Cocoa Touch
- Experience with iOS frameworks such as Core Data, Core Animation, etc.
- Experience with offline storage, threading, and performance tuning
- Familiarity with Restful APIs to connect iOS applications to back-end services
- Knowledge of other web technologies and UI/UX standards
- Understanding of Apple's design principles and interface guidelines
- Knowledge of low-level C-based libraries is preferred
- Experience with performance and memory tuning with tools (such as Instruments and Shark, depending on project needs)
- Familiarity with cloud message APIs and push notifications
- A knack for benchmarking and optimization
- Proficient understanding of code versioning tools (such as Git, Mercurial or SVN)
- Familiarity with continuous integration.
iOS App DevelopmentSwiftObjective C1. Experienced iOS Developer with full-time work experience in developing iOS apps for iPhone, iPad, iPod.
2. Should be proficient in Swift and Objective C and use Xcode, Cocoa libraries, and other third-party libraries to develop apps.
iOS App DevelopmentSwiftSwiftiOS App Development
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Full Stack Developer - Averlon